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PHX - SEA

$29 Find Cheap Flights from Phoenix Sky Harbor Airport to Seattle

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Sky Harbor Intl to Seattle departing on 11/13. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags

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These are the airlines KAYAK users have selected most often from within our search results in flight searches from Phoenix to Seattle.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Phoenix to Seattle.
In the last 7 days travelers have searched 48,434,160 times on KAYAK, and here is why:

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Cheap Flight Deals from Sky Harbor Intl to Seattle (PHX-SEA)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Sky Harbor Intl to Seattle that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
10:16 am - 3:15 pmPHX-SEA
4h 59m1 stop
1:34 pm - 4:26 pmSEA-PHX
2h 52mnonstop
Wed, Sep 18 - Sun, Sep 22
4:30 pm - 7:36 pmPHX-SEA
3h 06mnonstop
4:51 pm - 7:43 pmSEA-PHX
2h 52mnonstop
$78Frontier
Find Deal
Fri, Sep 6 - Thu, Sep 12
6:55 am - 9:58 amPHX-SEA
3h 03mnonstop
10:58 am - 1:52 pmSEA-PHX
2h 54mnonstop
$79Frontier
Find Deal
Tue, Aug 20 - Tue, Aug 27
7:15 am - 10:18 amPHX-SEA
3h 03mnonstop
8:26 pm - 11:18 pmSEA-PHX
2h 52mnonstop
$80Frontier
Find Deal
Sun, Sep 1 - Fri, Sep 6
8:47 pm - 11:44 amPHX-SEA
14h 57m1 stop
9:20 pm - 9:16 amSEA-PHX
11h 56m1 stop
$85Spirit Airlines
Find Deal
Mon, Sep 9 - Mon, Sep 16
8:47 pm - 11:44 amPHX-SEA
14h 57m1 stop
9:20 pm - 9:16 amSEA-PHX
11h 56m1 stop
$86Spirit Airlines
Find Deal
Thu, Sep 5 - Mon, Sep 9
8:20 am - 11:26 amPHX-SEA
3h 06mnonstop
3:16 pm - 6:11 pmSEA-PHX
2h 55mnonstop
$131Alaska Airlines
Find Deal
Sat, Sep 7 - Sat, Sep 7
6:00 am - 9:15 amPHX-SEA
3h 15mnonstop
7:40 pm - 10:33 pmSEA-PHX
2h 53mnonstop
$137Delta
Find Deal
Wed, Oct 9 - Mon, Oct 14
7:00 am - 2:52 pmPHX-SEA
7h 52m1 stop
8:44 pm - 11:37 pmSEA-PHX
2h 53mnonstop
$146Alaska Airlines
Find Deal
Fri, Sep 13 - Sun, Sep 15
3:45 pm - 6:48 pmPHX-SEA
3h 03mnonstop
3:15 pm - 6:09 pmSEA-PHX
2h 54mnonstop
$168Delta
Find Deal
Sat, Aug 31 - Sat, Sep 7

Flights from Sky Harbor Intl to Seattle - Travel Insights & Trends

Get data-powered insights and trends into flights from Sky Harbor Intl to Seattle to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Phoenix Sky Harbor Airport to Seattle?

The average price of all flights from Phoenix Sky Harbor Intl Airport to Seattle clicked on KAYAK for each day over the last 12 months.
If you are looking for a flight deal from Phoenix Sky Harbor Airport to Seattle, look for departures on Tuesdays and avoid leaving on a Sunday, as it's usually the priciest day. When flying back from Seattle, Tuesday is the cheapest day to fly and Thursday is the most expensive.

What is the cheapest month to fly from Phoenix Sky Harbor Intl Airport to Seattle?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Phoenix Sky Harbor Intl Airport to Seattle, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Phoenix Sky Harbor Intl Airport to Seattle is January, where tickets cost $138 on average. On the other hand, the most expensive months are July and June, where the average cost of tickets is $207 and $206 respectively.

How far in advance should I book a flight from Phoenix Sky Harbor Intl Airport to Seattle?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Phoenix Sky Harbor Intl Airport to Seattle, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Phoenix Sky Harbor Intl Airport to Seattle, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 84 days before departure.

Good to know

Low season

January

High season

July

Cheapest flight

$29
Best time to beat the crowds with an average 21% drop in price.
Most popular time to fly with an average 19% increase in price.
Flight from Phoenix Sky Harbor Airport to Seattle

When to book flights from Sky Harbor Intl to Seattle

Are your dates flexible? Find out the best times to travel from Sky Harbor Intl to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Phoenix Sky Harbor Airport to Seattle flights

  • Which nearby cities can I get to from Seattle-Tacoma International Airport (SEA)?

    Passengers arriving at Seattle-Tacoma International Airport (SEA) can explore other towns beyond Seattle. If you want to visit destinations within an hour’s drive of SEA, consider Buckley, Stanwood, Gold Bar, and Graham. Other nearby towns include Surrey and Sumas, about two hours away, and Clackamas and Prosser, around three hours away.

  • Which is the best way to get to downtown Seattle from Seattle-Tacoma International Airport (SEA)?

    Many transportation options connect SEA to the city center of Seattle, including shuttles, taxis, and trains. The light rail is the recommended means to connect the two points if you want to save money. The service covers the 13.8-mile journey in about 40min. Taxis are ideal for arriving at the city center in about 25min.

  • Where can I relax at PHX as I wait for my flight?

    Numerous airlines operate their clubs and lounges at Phoenix Sky Harbor International Airport (PHX), where you can retreat while waiting for departure to Seattle. For instance, those using Terminal 4 can access the American Airlines Admirals Club Gates A19 and A21, The Centurion Lounge across from Gate B21, and the Escape Lounge across from Gate B21.

  • Where are the information desks located at Seattle-Tacoma International Airport (SEA)?

    Phoenix Sky Harbor International Airport conveniently has information desks to serve arriving customers. They are located post-security in the A Concourse between Gates A5 and A6. The friendly airport representatives handling these facilities are ready to answer any questions, including information about Seattle, the airport’s amenities, and nearby attractions.

  • What restaurants are there in Phoenix Sky Harbor International Airport (PHX)?

    If you arrive at PHX hungry, you can grab a plate of your favorite delicacy before flying to Seattle. The airport is known for its authentic eateries, such as Peet’s Coffee, located on lLevel 1 of Terminal 3, pre-security, and serves seasonal lattes and cold brew coffees. Travelers using Terminal 4 and craving Mexican cuisine should stop at Blue Mesa Tacos, pre-security. The restaurant serves quesadillas and burritos.

  • Which airline runs a hub at Phoenix Sky Harbor International Airport (PHX)?

    As the main airport in Phoenix, Phoenix Sky Harbor International Airport (PHX) is the preferred arrival station for most flights from Seattle. It also serves as a hub for American Airlines and an operating base for Southwest Airlines. You can thus expect accelerated service, world-class amenities, and numerous direct connections to other destinations.

  • Where are the ATMs located at Sky Harbor Phoenix Airport?

    There are a few ATM locations at the PHX Airport. The ATM service is offered by the Bank of America and can be found both at pre-security and post-security of both Terminals 3 and 4. At Terminal 3 they are located near Level I Baggage Claim and Near Gate F5 while in Terminal 4 they can be found at Levels 1, 2, and 3 and near gates A1, B1, C1, and D1.

  • Are there hotels near Seattle airport?

    Yes, there are budget and luxury hotels close to the Seattle airport. Some of the hotels include Best Western airport which is approximately 2.5 miles from the airport, and Country Inn which is about 1.5 miles from the airport just to mention a few.

  • I have lost my luggage at the Seattle airport. Where can I report this?

    Seattle airport has lost and found services at the baggage claim level. You must file a lost and found claim online. You will need to give your contact information, location, and item description.

  • Is Sky Harbor Phoenix Airport Accessible?

    Accessibility features are available at Phoenix airport. Wheelchairs are available in the airport to aid the physically disabled to maneuver with ease. If you need to carry along your wheelchair during your travel, you can communicate with your airline. You can make reservations if you need to travel with your oxygen tank. Hearing devices are also available at the airport. Accessible restrooms with professional caregivers are also available and you will only need to seek directions from the information desk.

  • What is the cheapest flight from Phoenix Sky Harbor Intl Airport to Seattle?

    In the last 3 days, the lowest price for a flight from Phoenix Sky Harbor Intl Airport to Seattle was $29 for a one-way ticket and $77 for a round-trip.

  • Do I need a passport to fly between Phoenix Sky Harbor Airport and Seattle?

    A passport is not required to fly from Phoenix Sky Harbor Airport to Seattle.

  • Which airports will I be using when flying from Phoenix Sky Harbor Airport to Seattle?

    On your way to Seattle, you’ll fly out from Phoenix Sky Harbor Intl. You’ll be landing at Seattle/Tacoma Intl.

  • Which airlines offer Wi-Fi service onboard planes from Phoenix Sky Harbor Airport to Seattle?

    Alaska Airlines, American Airlines, Delta, and Air Canada offer inflight Wi-Fi service on the Phoenix Sky Harbor Airport to Seattle flight route.

  • Which aircraft models fly most regularly from Phoenix Sky Harbor Airport to Seattle?

    The Airbus A320neo is the aircraft model that flies most regularly on the Phoenix Sky Harbor Airport to Seattle flight route.

  • Which airline alliances offer flights from Phoenix Sky Harbor Airport to Seattle?

    oneworld, SkyTeam, and Star Alliance are the airline alliances operating flights between Phoenix Sky Harbor Airport and Seattle, with SkyTeam being the most commonly used for this route.

  • On which days can I fly direct from Phoenix Sky Harbor Airport to Seattle?

    There are nonstop flights from Phoenix Sky Harbor Airport to Seattle on a daily basis.

  • Which is the best airline for flights from Phoenix to Seattle, Alaska Airlines or Delta?

    The two airlines most popular with KAYAK users for flights from Phoenix to Seattle are Alaska Airlines and Delta. With an average price for the route of $224 and an overall rating of 8.0, Alaska Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of $209 and an overall rating of 8.0.

  • How does KAYAK find such low prices on flights from Phoenix Sky Harbor Airport to Seattle?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Phoenix Sky Harbor Airport to Seattle.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Phoenix Sky Harbor Airport to Seattle?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Phoenix Sky Harbor Airport is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Phoenix Sky Harbor Airport to Seattle?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back to Phoenix Sky Harbor Airport with another airline. Booking your flights between Phoenix Sky Harbor Airport and SEA can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Phoenix Sky Harbor Airport to Seattle?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from Phoenix Sky Harbor Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

KAYAK’s top tips for finding a cheap flight from Phoenix Sky Harbor Intl Airport to Seattle

  • Looking for a cheap flight? 25% of our users found flights on this route for $96 or less one-way and $138 or less round-trip.
  • Phoenix Sky Harbor International Airport (PHX) operates two terminals. All domestic flights, mainly by Delta and JetBlue Airlines, use Terminal 3, as Terminal 4 serves all international flights. A courtesy PHX Sky Train provides interterminal movement and also connects the Valley Metro Rail and East Economy Parking.
  • Remember that airlines like JetBlue and Spirit Airlines offer one-stop journeys between Phoenix Sky Harbor International Airport (PHX) and Seattle-Tacoma International Airport (SEA). Whereas JetBlue makes a layover at Los Angeles International Airport (LAX), Spirit Airlines flies through Las Vegas International Airport (LAS).
  • Families traveling from PHX to SEA will be happy to learn that most airlines along this route provide family-friendly amenities. Therefore, you can look forward to spacious seats with extra legroom for a comfortable and relaxing journey. Also, the carriers feature kid-friendly entertainment for the children to enjoy throughout the journey.
  • You will be departing from Sky Harbor Phoenix International Airport (PHX) when flying to Seattle from Phoenix, Arizona. The Sky Harbor airport is situated approximately 3 miles east of downtown Phoenix. The airport is ranked as one of the busiest commercial Arizona airports and serves as a base for Southwest Airlines and a hub for American Airlines both of which fly to Seattle.
  • Seattle Tacoma International Airport (SEA) has approximately 100 gates which are strategically located on the airport satellite buildings. Transport to downtown Seattle is available via Line 1 service. One-way fare for adults is about $2.50.
  • The Sky Harbor airport is pet-friendly. This airport has approximately seven reserved areas where pets can stretch, play, relieve themselves, and where you can clean them. Some of the pet areas include The Paw Pad located in terminal 3; Bone Yard located on terminal 4 immediately after the baggage department; and Park and Bark which is at the Economy parking lot.
  • The Sky Harbor has different parking options including terminal 3 parking, West economy parking, East economy, and valet parking. You will part with approximately $34 as a parking fee for valet parking while you will part with approximately $4 per day for all other types of parking. Special parking spaces are also available and they are free of charge.
  • For nursing mothers, Sky Harbor Airport (PHX) offers nursing stations that are located at Terminals 3 and 4. Each room features a sink, baby changing station, soap and paper towel dispensers, electric outlets, and comfortable seating. In addition to the nursing rooms, the airport offers Mamava nursing pods located near Gate 22 and at Checkpoint D after security.
See more tips

Flights from Sky Harbor Intl to Seattle: the best tips from KAYAK users

Insights shared by verified travelers who flew the route from Sky Harbor Intl to Seattle 
Verified travelerFlew with Alaska AirlinesAug 2024
Seattle airport is nuts compared to PHX. Be patient when you land.
GlennFlew with Alaska AirlinesJul 2024
Be prepared for the disorientation of SeaTac as the entire terminal appears to be under construction. It’s unnerving.
JamesFlew with Alaska AirlinesMay 2024
the flight from phoenix to seattle was crowded but the crew was great. The plane would have been more comfortable had they flew the 737 max on this leg. I had an aisle seat at the back and throughout the flight had a line of passengers bumping into me due to the narrow aisle and people attempting to pass each other.

Prefer to fly non-stop from Phoenix Sky Harbor Airport to Seattle?

Find which airlines fly direct from Phoenix Sky Harbor Intl Airport to Seattle/Tacoma Intl Airport, which days they fly and book direct flights.

Nonstop departures

Phoenix Sky Harbor Intl to Seattle/Tacoma Intl

Monday

Air France, Air Tahiti Nui, Alaska Airlines, +12 more

Air France, Air Tahiti Nui, +13 more

Tuesday

Air France, Air Tahiti Nui, Alaska Airlines, +11 more

Air France, Air Tahiti Nui, +12 more

Wednesday

Air France, Air Tahiti Nui, Alaska Airlines, +12 more

Air France, Air Tahiti Nui, +13 more

Thursday

Air France, Air Tahiti Nui, Alaska Airlines, +11 more

Air France, Air Tahiti Nui, +12 more

Friday

Air France, Air Tahiti Nui, Alaska Airlines, +12 more

Air France, Air Tahiti Nui, +13 more

Saturday

Air France, Air Tahiti Nui, Alaska Airlines, +11 more

Air France, Air Tahiti Nui, +12 more

Sunday

Air France, Air Tahiti Nui, Alaska Airlines, +11 more

Air France, Air Tahiti Nui, +12 more

See more direct flights

Nonstop returns

Seattle/Tacoma Intl to Phoenix Sky Harbor Intl

Monday

Air France, Air Tahiti Nui, Alaska Airlines, +11 more

Air France, Air Tahiti Nui, +12 more

Tuesday

Air France, Air Tahiti Nui, Alaska Airlines, +12 more

Air France, Air Tahiti Nui, +13 more

Wednesday

Air France, Air Tahiti Nui, Alaska Airlines, +11 more

Air France, Air Tahiti Nui, +12 more

Thursday

Air France, Air Tahiti Nui, Alaska Airlines, +12 more

Air France, Air Tahiti Nui, +13 more

Friday

Air France, Air Tahiti Nui, Alaska Airlines, +11 more

Air France, Air Tahiti Nui, +12 more

Saturday

Air France, Air Tahiti Nui, Alaska Airlines, +11 more

Air France, Air Tahiti Nui, +12 more

Sunday

Air France, Air Tahiti Nui, Alaska Airlines, +12 more

Air France, Air Tahiti Nui, +13 more

See more direct flights
See more direct flights

Top 4 airlines serving from Sky Harbor Intl to Seattle

 
See real verified KAYAK customer reviews for airlines flying from Phoenix to Seattle. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Sky Harbor Intl to Seattle? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
Alaska AirlinesOverall score based on 9404 reviews
8.6Crew
7.9Comfort
8.2Boarding
7.2Entertainment
7.2Food
Airline reviews

I thought the whole trip was really good to Seattle especially being upgraded to first class and being able to get some sleep

8.0 Excellentmilton, Aug 2024ANC - SEA
Read more about Alaska Airlines reviews

I thought the whole trip was really good to Seattle especially being upgraded to first class and being able to get some sleep

One of the crew. Older gentleman was very helpful. Snacks and drinks variety were great!

Because of a 90 minute weather delay in Seattle, we were four hours late getting home, but Rebecca on the phone line & the desk agents in Jackson, Seattle & Portland did everything they could to minimize the delay. Also my bag was left behind in Seattle, but was promptly delivered the next morning & Alaska gave me a $50 credit for a future flight. Thank you!

I flew on “First Class” but there’s nothing premium about it except a slightly larger seat. They only served pretzels (same as the ones in coach) and a choice of beverage. The flight was delayed and we landed in Seattle well past dinner time. The airport in Ketchikan has very limited dining options… and has limited seating, as well. There are no amenities beyond the basic.

Late. Stingy with snacks and only one sugar free soda, but with caffeine.

I wasn’t happy that the help at counter directed me to the wrong gate so I missed my flight and had to wait an additional two hours, which caused difficulty, as I was coming to Sacramento, not for vacation but for a family emergency at the hospital

First time flying with Alaska Airlines. I’ve been super impressed especially with the cost of traveling with a bike. So far so good.

It was a typically uneventful flight. Snacks were decent. Unclear how to get entertainment. Bathroom sink was plugged.

The promised "upgrade" to "premium" seating, after I missed my connecting flight due to a departure delay, was a joke.

Cheerful crew, arrived early, but did have to wait for a gate because of that. But it was a pleasant flight.

The flight was great. The crew were a little terse about the size of my bag. It fit fine.

Screen didn’t play movies, do I was pretty boated the entire flight.

It was very cold because the air conditioner was on high power, and my son got sick.

Delta crushed it. Flight attendant in first was attentive and just never stopped. Honestly one of the best domestic flights I’ve been on.

Delta is one of the best airlines I have flown

It was a Red-Eye flight so was not comfortable enough to sleep, but seat was as expected. Crew was great and in-flight entertainment was excellent. Flight was smooth

Standard economy seats on Deltas 767 were better than Alaska premium seats on their 737 MAX9; more legroom, wider seats. Entertainment was great, no ipad or phone required. Could have included a meal service.

Plane was turned around due to fog half way into the flight, Delta did not properly direct passengers to stay on same flight and instead failed to properly rebook on Alaska

The boarding process was terrible especially with an indirect flight Chicago to Seattle to San Diego was terrible talking about we overbooked a flight idk if I’d take this airline ever again we got off our flight from Chicago to Seattle and we traveled for business and they told us our connecting flight was over booked and their was no seats asking people to take a delayed next flight and they don’t tell anyone coughing to wear masks seats 30A-B were terrible during the flight no one wants to sit next to people coughing all around I don’t want to be sick traveling for work or get sick anytime it’s very upsetting the staff doesn’t take this stuff serious to tell them to wear masks when they see people coughing and sneezing

Flight was on time, the crew was personable & professional, & the plane arrived early which was nice.

The main problem was delay. The plane was at the gate early and bags were loaded. However, there was no crew for the flight. They were inbound from LGA and had to land and make their way to our gate. It took more than 40 minutes. Then, once the crew arrived and boarded, one of the crew members had to deplane and then a replacement crew member had to be found. It took another 40 minutes or so to get the final crew member. In all, we took off about 2 hours later than our scheduled departure time. Once in the air, the flight was great. Smooth most of the way. The crew was professional and efficient.

16 Hours delayed, NOT because of the cybersecurity Microsoft issue, but because we were one flight attendant short, then when the missing flight attendant showed up two hours later, the flying shift of our pilot had expired, so, now no pilot. American Airlines is the new Spirit Airlines, actually, that is not fair for Spirit, they are probably better.

Worst flight in terms of service and food. Attendants were inexperienced, no preflight drinks, did come and give us hot towels until well into the flight. The left the Curtin open between main cabin and everyone from the main cabin went to the fist class bathroom. Food was awful! Had the golden chicken and was too lemony and inedible. No offer of coffee after. Awful!

My morning PHX to NY flight was canceled. Not a cloud in the sky. No wind. No weather across the country. My guess is they canceled the flight because they didn’t have enough people or a mechanical issue. Either way really bad. I checked it at midnight and the 830a flight was on time so I was very surprised when I woke up to see the flight canceled and I’ve been rebooked on a flight… An hour earlier than my originally scheduled one. Of course I missed this earlier flight because AA texted at 4 AM when I was sleeping. I was re routed to Miami, boarded a plane, sat in the heat for 40 minutes, then boarded because of mechanical issues and had to wait another hour before finally getting to New York Ironically, the 430 Phoenix to New York flight landed at the same time I did… I could’ve been sitting at the pool all day vs jumping through hoops. never ever will I again fly American Airlines. No offer of a free drink, maybe a few points on my advantage account nothing… As if nothing happened and they did not inconvenienced me at all. I’m so sick of the dumb crackers that they give us on these flights. It’s really like a budget Airlines these days. A far fall for s once mighty company.

Delayed by over 4 hrs, missed all international connections. Horrible customer service.

They took away my first class ticket for my plane ride from Ickx to Tucson because they’re plane was late getting there. They offered me nothing in return

Everything was fine once we actually got on our flight. It was more then annoying they canceled (delayed) our flight. We lost out on a day of our trip along with money on our stay. Plus we had to book another hotel. So expensive.

The flights was delayed by hours and it was the firmest landing I have experienced in my life. My back is still sore.

Worst situation ever! I booked my tickets for this trip on Alaska Airlines. I guess AA is a partner and we flew nonstop from Eugene to PHX on an AA jet. I had to pay for luggage from PHX to EUG. And this was an Alaska Airlines reservation paid for with Alaska airlines credit card! Got to the PHX airport and was not able to check bags because of some weird issue with the AA software. My reservation had to be the-entered by the agent. I will never pick another American Airlines flight on the Alaska Airlines website. While on vacation, I tried to upgrade our seats for the trip home. The request just buffered and never went through. I tried four times and was charged four times on my credit card. The card was charged but the seats were never changed. What a wreck!

I like the boarding process, it was fast. The seat doesn’t have a TV for a long flight and food wasn’t served, just snacks.

25 dollars to get a boarding pass abusive nasty folks at the boarding pass check-in desk flight delayed abusive nasty personnel at gate no one knew what they were doing at boarding a real cluster fbk I took a different flight back frontier socks

Flight was canceled as soon as I got to the airport

I was unable to check-in on your app at home before the trip. I didn't realize that you charged to get a boarding pass from the couter. I stood in a long line to check-in to be told that I needed to get in another line to get a boarding pass and that it would cost me. When I spoke with the lady at the next counter, she couldn't get me into the check-in on my app so she tried several other ways over about 15 minutes while others were waiting in line. Finally she was able to get into the check-in and then it took a while to click through multiple upsale options to get my pass. I thought it should be easy since I has a personal pack and no seat selection. I was traveling alone to attend a family funeral.

I didn't like anything about the flight It was my first time and definitely my last time boarding a frontier flight. Their counter agents need training and they need to learn to communicate regularly and respectfully

Booked two aisle seats and were switched to an aisle and middle. Not happy.

Our flight was cancelled and I spent $800 on a replacement ticket. No refund was awarded other than the cost of my original Frontier ticket. unacceptable...

The last time I flew Frontier was in the 1960s when it was a “real” airline. We flew this time because of the price & schedule. As the saying goes, you get what you pay for.

Horrible my trip was delayed 3 hours, we already have set in the plane and they delayed the flight.

Frontier’s bag policy is ridiculous and they made me pay $100 just to bring on a tiny ukulele. They were rude and not willing to budge. I was quite frustrated

The worst experience ever!!! They canceled our flight when we arrived at the airport to check in. We asked why is it canceled they told us they don’t know. No apology, very cold and rude. We had to pay for another night at the hotel, we had to call out of work. We won’t be using them anymore in the future!!!

Book cheap flights from Phoenix to Seattle

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Phoenix to Seattle found on KAYAK in the last 72 hours.
11/13Wed
nonstopFrontier
3h 07mPHX-SEA
$29
8/27Tue
nonstopFrontier
3h 03mPHX-SEA
$30
9/11Wed
1 stopSpirit Airlines
4h 59mPHX-SEA
$37
9/16Mon
1 stopSpirit Airlines
14h 57mPHX-SEA
$44
9/11Wed
nonstopDelta
3h 07mPHX-SEA
$69
10/12Sat
1 stopAlaska Airlines
7h 56mPHX-SEA
$78
12/22Sun
1 stopAlaska Airlines
7h 51mPHX-SEA
$102
11/12Tue
1 stopUnited Airlines
7h 23mPHX-SEA
$103
11/3Sun
1 stopUnited Airlines
6h 23mPHX-SEA
$108
8/30Fri
nonstopDelta
3h 05mPHX-SEA
$130

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Last minute flights from Sky Harbor Intl to Seattle

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Phoenix to Seattle that are departing in the next 10 days.
8/15Thu
multi-stop
13h 28mPHX-SEA
8/20Tue
nonstop
2h 54mSEA-PHX
$186
8/18Sun
multi-stopSpirit Airlines
13h 28mPHX-SEA
9/13Fri
multi-stopSpirit Airlines
11h 56mSEA-PHX
$192
8/15Thu
multi-stop
13h 28mPHX-SEA
8/19Mon
nonstop
2h 54mSEA-PHX
$195
8/17Sat
nonstopFrontier
3h 03mPHX-SEA
8/24Sat
nonstopFrontier
2h 54mSEA-PHX
$196
8/17Sat
multi-stopFrontier
9h 59mPHX-SEA
8/22Thu
nonstopFrontier
2h 54mSEA-PHX
$203
8/16Fri
nonstopAlaska Airlines
2h 59mPHX-SEA
9/11Wed
nonstopAlaska Airlines
2h 54mSEA-PHX
$362
8/17Sat
multi-stopUnited Airlines
8h 29mPHX-SEA
8/20Tue
multi-stopUnited Airlines
7h 04mSEA-PHX
$519
8/17Sat
multi-stopUnited Airlines
8h 29mPHX-SEA
8/19Mon
multi-stopUnited Airlines
7h 04mSEA-PHX
$524
8/15Thu
nonstopAlaska Airlines
3h 00mPHX-SEA
8/18Sun
nonstopAlaska Airlines
2h 53mSEA-PHX
$587
8/15Thu
nonstopDelta
3h 05mPHX-SEA
8/19Mon
nonstopDelta
2h 57mSEA-PHX
$593

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Phoenix Sky Harbor Airport - Seattle Flights

Departure:

Phoenix Sky Harbor Airport (PHX)United States

Destination:

Seattle (SEA)United States

Return flight deals:

Seattle - Phoenix Sky Harbor Airport

Cabin classes:

$449
$720
$259
$58