PHX - SEA

$107 Find Cheap Flights from Phoenix Sky Harbor Airport to Seattle - Compare and Save

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 9/1. 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
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$215
Typical prices: $155-$264
Alaska Airlines
Tue 10/6Tue 10/6
PHX - SEA • 1 stop
Cheapest non-stop
$216
Typical prices: $167-$279
Southwest
Fri 9/11Mon 9/21
PHX - SEA • Non-stop
Advice from real travelers
AI-powered summary based on content written by travel experts and KAYAK users. AI can make mistakes.
Frontier Economy Bundle adds a free carry-on; AA Basic Economy has more limits.
Delta free Wi-Fi adds value, while Alaska 20-minute baggage guarantee speeds arrival.
Expert advice
Expert advice
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Expert advice
Expert advice
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Nonstop flights
You can fly direct with Alaska Airlines, American Airlines and others. Average duration is 3h 06m
Direct flights
Direct flights
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Direct flights
Direct flights
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Avoid delays
Most punctual • 93% on-time
Best time • Fewest delays
Insights
Insights
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Insights
Top layover airports
Cheapest • Avg $116 (round-trip)
Shortest trip • 5h 25m (one-way)
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 4 weeks in advance save around 49% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 43% price drop
Most popular
Good to know
Good to know
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Flight Deals
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Expert advice
Flight Deals

Cheap Flights 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 for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Sky Harbor Intl to Seattle

Tue, Oct 6 - Tue, Oct 6
Alaska Airlines Logo
9:05 am - 2:41 pmPHX  Phoenix Sky Harbor Intl-SEA Seattle/Tacoma Intl
5h 36m1 stop Boise Air Term. Gowen Fld
Alaska Airlines Logo
4:59 pm - 7:51 pmSEA  Seattle/Tacoma Intl-PHX Phoenix Sky Harbor Intl
2h 52mnonstop
$215Alaska Airlines
Mon, Sep 14 - Mon, Sep 14
Alaska Airlines Logo
6:02 am - 9:05 amPHX  Phoenix Sky Harbor Intl-SEA Seattle/Tacoma Intl
3h 03mnonstop
Alaska Airlines Logo
1:03 pm - 6:55 pmSEA  Seattle/Tacoma Intl-PHX Phoenix Sky Harbor Intl
5h 52m1 stop Boise Air Term. Gowen Fld
$215Alaska Airlines
Tue, Oct 13 - Mon, Oct 19
Southwest Logo
4:20 pm - 9:55 pmPHX  Phoenix Sky Harbor Intl-SEA Seattle/Tacoma Intl
5h 35m1 stop San Jose
Southwest Logo
3:55 pm - 9:05 pmSEA  Seattle/Tacoma Intl-PHX Phoenix Sky Harbor Intl
5h 10m1 stop Sacramento Intl
$215Southwest
Sat, Jan 16 - Tue, Feb 9
United Airlines Logo
5:00 pm - 9:56 pmPHX  Phoenix Sky Harbor Intl-SEA Seattle/Tacoma Intl
5h 56m1 stop Los Angeles
United Airlines Logo
12:15 pm - 7:05 pmSEA  Seattle/Tacoma Intl-PHX Phoenix Sky Harbor Intl
5h 50m1 stop Los Angeles
$215United Airlines
Mon, Oct 5 - Wed, Oct 14
Multiple Airlines Logo
6:25 am - 3:08 pmPHX  Phoenix Sky Harbor Intl-SEA Seattle/Tacoma Intl
8h 43m1 stop Denver Intl
Multiple Airlines Logo
7:27 am - 10:32 amSEA  Seattle/Tacoma Intl-PHX Phoenix Sky Harbor Intl
3h 05mnonstop
$215Multiple Airlines
Tue, Sep 15 - Tue, Sep 15
Southwest Logo
9:15 am - 3:10 pmPHX  Phoenix Sky Harbor Intl-SEA Seattle/Tacoma Intl
5h 55m1 stop San Jose
Southwest Logo
4:10 pm - 9:00 pmSEA  Seattle/Tacoma Intl-PHX Phoenix Sky Harbor Intl
4h 50m1 stop Las Vegas Harry Reid Intl
$216Southwest
Wed, Aug 26 - Sat, Sep 5
Frontier Logo
4:48 pm - 9:19 amPHX  Phoenix Sky Harbor Intl-SEA Seattle/Tacoma Intl
16h 31m1 stop Denver Intl
Frontier Logo
7:06 pm - 10:11 amSEA  Seattle/Tacoma Intl-PHX Phoenix Sky Harbor Intl
15h 05m1 stop Denver Intl
$217Frontier
Tue, Aug 25 - Wed, Sep 2
Frontier Logo
6:57 pm - 9:19 amPHX  Phoenix Sky Harbor Intl-SEA Seattle/Tacoma Intl
14h 22m1 stop Denver Intl
Frontier Logo
7:06 pm - 7:40 amSEA  Seattle/Tacoma Intl-PHX Phoenix Sky Harbor Intl
12h 34m1 stop Denver Intl
$217Frontier
Mon, Aug 31 - Sat, Sep 5
Delta Logo
12:12 pm - 3:23 pmPHX  Phoenix Sky Harbor Intl-SEA Seattle/Tacoma Intl
3h 11mnonstop
Delta Logo
8:30 pm - 11:33 pmSEA  Seattle/Tacoma Intl-PHX Phoenix Sky Harbor Intl
3h 03mnonstop
$222Delta
Wed, Sep 16 - Sun, Sep 20
Delta Logo
5:40 pm - 8:49 pmPHX  Phoenix Sky Harbor Intl-SEA Seattle/Tacoma Intl
3h 09mnonstop
Delta Logo
7:59 am - 11:02 amSEA  Seattle/Tacoma Intl-PHX Phoenix Sky Harbor Intl
3h 03mnonstop
$236Delta
Booking Insights

KAYAK's insights & trends for Sky Harbor Intl to Seattle flights

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.

How much is a round-trip flight from Phoenix Sky Harbor Intl Airport to Seattle?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Phoenix Sky Harbor Intl Airport to Seattle departing in September.

Flight prices are typical for this route right now.

Flights to Seattle from Phoenix Sky Harbor Intl Airport usually cost between $205 and $301 in September.
The lowest price found in the past 5 days was $214 on Frontier (Sep 13-Sep 17).

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

The average price of all round-trip flights from Phoenix Sky Harbor Intl Airport to Seattle clicked on KAYAK for each day over the last 12 months.

For Phoenix Sky Harbor Airport to Seattle, Friday is the cheapest day to fly on average and Monday is the most expensive. Flying from Seattle back to Phoenix Sky Harbor Airport, the best deals are generally found on Saturday, with Sunday being 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 round-trip 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 $129 (return) on average. On the other hand, the most expensive months are July and June, where the average cost of round-trip tickets is $300 and $287 respectively.

Can I save money by flying with a layover from Phoenix Sky Harbor Intl Airport to Seattle?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $263, prices are generally cheapest when you fly direct.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip 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 week.

To get a below average price on the flight from Phoenix Sky Harbor Intl Airport to Seattle, you should book around 4 weeks before departure, which saves you about 49% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 9 weeks before departure.

Expert advice

Expert advice for your flight from Sky Harbor Intl to Seattle

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on Alaska Airlines, American Airlines and SEA

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Stefanie Waldek

Stefanie Waldek

Expert on Delta and Frontier

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Blane Bachelor

Blane Bachelor

Expert on Southwest

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Laura Ratliff

Laura Ratliff

Expert on PHX

Laura Ratliff is a New York-based writer and editor. She lives in downtown Brooklyn with her husband and their beloved dogs. Originally from Texas, she now considers New York City her home. She typically spends more than 200,000 miles on a plane each year and stays in plenty of hotels.

Good to know

Low season

January

Cheapest flight

$107
Best time to beat the crowds with an average 43% drop in price.
Most popular time to fly with an average 32% 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.

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

Insights shared by verified travelers who flew the route from Sky Harbor Intl to Seattle 
SydneyFlew with Alaska Airlines-Oct 2024
May need to catch the underground train between gate locations in SEATAC, prepare yourself accordingly
GlennFlew with Alaska Airlines-Jul 2024
Be prepared for the disorientation of SeaTac as the entire terminal appears to be under construction. It’s unnerving.

FAQs for booking Phoenix Sky Harbor Airport to Seattle flights

  • 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.

  • 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.

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

    In the last 5 days, the lowest price for a flight from Phoenix Sky Harbor Intl Airport to Seattle was $107 for a one-way ticket and $214 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 JetBlue 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 Boeing 737-800 Passenger/BBJ2 (winglets) 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?

    SkyTeam, and oneworld 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, Southwest or Alaska Airlines?

    The two airlines most popular with KAYAK users for flights from Phoenix to Seattle are Southwest and Alaska Airlines. With an average price for the route of $265 and an overall rating of 8.0, Southwest is the most popular choice. Alaska Airlines is also a great choice for the route, with an average price of $276 and an overall rating of 7.9.

  • 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.

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 $172 or less one-way and $255 or less round-trip.
  • 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.
  • 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.

Prefer to fly direct from Phoenix Sky Harbor Airport to Seattle?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Phoenix Sky Harbor Intl to Seattle/Tacoma Intl.
Find which airlines fly direct from Phoenix Sky Harbor Intl Airport to Seattle/Tacoma Intl Airport, which days they fly and book direct flights.

Direct departures

Phoenix Sky Harbor Intl to Seattle/Tacoma Intl

Monday

Alaska Airlines,American Airlines,Delta, +1 more

Alaska Airlines,American Airlines, +2 more

Tuesday

Alaska Airlines,American Airlines,Delta, +1 more

Alaska Airlines,American Airlines, +2 more

Wednesday

Alaska Airlines,American Airlines,Delta, +1 more

Alaska Airlines,American Airlines, +2 more

Thursday

Alaska Airlines,American Airlines,Delta, +1 more

Alaska Airlines,American Airlines, +2 more

Friday

Alaska Airlines,American Airlines,Delta, +1 more

Alaska Airlines,American Airlines, +2 more

Saturday

Alaska Airlines,American Airlines,Delta, +1 more

Alaska Airlines,American Airlines, +2 more

Sunday

Alaska Airlines,American Airlines,Delta, +1 more

Alaska Airlines,American Airlines, +2 more

See more direct flights

Direct returns

Seattle/Tacoma Intl to Phoenix Sky Harbor Intl

Monday

Alaska Airlines,American Airlines,Delta, +1 more

Alaska Airlines,American Airlines, +2 more

Tuesday

Alaska Airlines,American Airlines,Delta, +1 more

Alaska Airlines,American Airlines, +2 more

Wednesday

Alaska Airlines,American Airlines,Delta, +1 more

Alaska Airlines,American Airlines, +2 more

Thursday

Alaska Airlines,American Airlines,Delta, +1 more

Alaska Airlines,American Airlines, +2 more

Friday

Alaska Airlines,American Airlines,Delta, +1 more

Alaska Airlines,American Airlines, +2 more

Saturday

Alaska Airlines,American Airlines,Delta, +1 more

Alaska Airlines,American Airlines, +2 more

Sunday

Alaska Airlines,American Airlines,Delta, +1 more

Alaska Airlines,American Airlines, +2 more

See more direct flights

Everything you need to know for your flight from Sky Harbor Intl to Seattle

Other airlines flying from Sky Harbor Intl to Seattle

Flights from the other most popular airlines that fly from Sky Harbor Intl to Seattle according to KAYAK users. Prices are the lowest found on KAYAK over the last 7 days. Price and availability are not guaranteed.