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$56+ Cheap flights from Phoenix to Seattle (SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SEA
Feb 24 — Mar 31
Mon 2/24
Mon 3/3
1 adult, Economy
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The best prices from Phoenix to Seattle/Tacoma Intl are usually found in January or September, booked 84 days in advance, depart on a Friday or Thursday and return on a Tuesday

Cheap flight deals from Phoenix to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Phoenix (PH1) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 19, 2025.

Round-trip from

$65
(Kiwi.com)

One-way from

$56
(Mytrip)

Popular in

December

Cheapest in

January

Average price

$167
From Phoenix to Seattle/Tacoma Intl
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One-way flight from Phoenix to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 1% potential increase in price ($3 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Phoenix to Seattle

Cheapest flights from Phoenix to Seattle
Explore the most affordable flight options available from Phoenix to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 19, 2025.

This Kiwi.com deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/212:39 pmPHX - SEA
Nonstop3h 14mFrontier
Wed 3/268:59 pmSEA - PHX
Nonstop3h 00mFrontier
Deal found 2/18$65
This CheapOair deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/122:38 pmPHX - SEA
Nonstop3h 14mMultiple Airlines
Wed 3/269:48 amSEA - PHX
1 stop5h 19mMultiple Airlines
Deal found 2/19$71
This Mytrip deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/122:12 pmPHX - SEA
1 stop21h 34mSpirit Airlines
Tue 3/259:48 amSEA - PHX
1 stop5h 19mSpirit Airlines
Deal found 2/19$105
This Alaska Airlines deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/298:51 pmPHX - SEA
Nonstop3h 08mAlaska Airlines
Sat 5/101:36 pmSEA - PHX
Nonstop2h 52mAlaska Airlines
Deal found 2/18$153
This Delta deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/31:50 pmPHX - SEA
Nonstop3h 10mDelta
Sat 6/147:20 amSEA - PHX
Nonstop2h 57mDelta
Deal found 2/19$167
This Southwest deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/226:45 amPHX - SEA
2 stops7h 30mSouthwest
Sun 4/278:00 pmSEA - PHX
Nonstop3h 00mSouthwest
Deal found 2/18$202
This Hawaiian Airlines deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/68:49 pmPHX - SEA
Nonstop3h 10mHawaiian Airlines
Sun 6/87:56 amSEA - PHX
Nonstop2h 52mHawaiian Airlines
Deal found 2/18$207
This United Airlines deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/159:57 amPHX - SEA
1 stop6h 03mUnited Airlines
Thu 3/203:01 pmSEA - PHX
1 stop8h 10mUnited Airlines
Deal found 2/18$217

Find flights from Phoenix to Seattle within your budget

Customize your flight search to find flights from Phoenix to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 19, 2025.

Fly from

Phoenix

Fly to

Seattle

Route

Depart

Return

Price

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Fri 3/21

2:39 pm-5:53 pm

Nonstop3h 14m

Seattle/Tacoma Intl

Wed 3/26

8:59 pm-11:59 pm

Nonstop3h 00m

$65

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Wed 3/12

2:38 pm-5:52 pm

Nonstop3h 14m

Seattle/Tacoma Intl

Tue 3/25

9:48 am-3:07 pm

1 stop5h 19m

$71

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Wed 3/12

2:12 pm-11:46 am

1 stop21h 34m

Seattle/Tacoma Intl

Tue 3/25

9:48 am-3:07 pm

1 stop5h 19m

$105

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Tue 4/29

8:51 pm-11:59 pm

Nonstop3h 08m

Seattle/Tacoma Intl

Sun 5/4

3:55 pm-6:47 pm

Nonstop2h 52m

$153

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Tue 6/3

8:49 pm-11:59 pm

Nonstop3h 10m

Seattle/Tacoma Intl

Tue 6/10

7:56 am-10:48 am

Nonstop2h 52m

$187

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Wed 5/28

3:45 pm-7:00 pm

Nonstop3h 15m

Seattle/Tacoma Intl

Thu 6/5

7:20 am-10:17 am

Nonstop2h 57m

$188

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Tue 4/22

6:45 am-2:15 pm

2 stops7h 30m

Seattle/Tacoma Intl

Sun 4/27

8:00 pm-11:00 pm

Nonstop3h 00m

$202

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Sat 3/15

9:57 am-4:00 pm

1 stop6h 03m

Seattle/Tacoma Intl

Thu 3/20

3:01 pm-11:11 pm

1 stop8h 10m

$217

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Tue 3/25

4:02 pm-8:43 am

1 stop16h 41m

$56

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Mon 3/24

9:43 pm-9:30 am

1 stop11h 47m

$58

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 17 results
1
2

Best time to book a flight from Phoenix to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Phoenix with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Phoenix to Seattle

Get recent, data-driven insights about flights from Phoenix to Seattle including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Phoenix to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Phoenix to Seattle. Price data was last updated on February 14, 2025.

The best time to book flights from Phoenix to Seattle is 84 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Phoenix to Seattle?

Currently, January is the cheapest month in which you can book a flight from Phoenix to Seattle (average of $238). Flying from Phoenix to Seattle in July is currently the most expensive (average of $411). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PHX to SEA?

Find hourly flight availability from Phoenix to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 19, 2025.

It’s typically best to fly out from Phoenix to Seattle in the afternoon. Doing so could potentially save you 46% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Phoenix to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Phoenix to Seattle. Price data was last updated on June 30, 2024.

Travelers seeking maximum savings on their Phoenix to Seattle flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Phoenix to Seattle

Explore weekly flight availability from Phoenix to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 19, 2025.

The most flights from PH1 to SEA are scheduled on a Monday (69 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (31 on average).

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated February 19, 2025.
Read through reviews of airlines operating flights from Phoenix to Seattle, such as Southwest, Alaska Airlines and Delta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,413 reviews

Comfort

8.1

Overall

8.1

Food

7.1

Boarding

8.2

Entertainment

7.6

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,413 reviews
Southwest
8.1
Very good
4,413 reviews

Comfort

8.1

Overall

8.1

Food

7.1

Boarding

8.2

Entertainment

7.6

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,686 reviews
Southwest
8.1
Very good
4,413 reviews

Comfort

8.1

Overall

8.1

Food

7.1

Boarding

8.2

Entertainment

7.6

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,236 reviews
Southwest
8.1
Very good
4,413 reviews

Comfort

8.1

Overall

8.1

Food

7.1

Boarding

8.2

Entertainment

7.6

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Hawaiian Airlines
7.9
Good
2,317 reviews
Southwest
8.1
Very good
4,413 reviews

Comfort

8.1

Overall

8.1

Food

7.1

Boarding

8.2

Entertainment

7.6

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,769 reviews
Southwest
8.1
Very good
4,413 reviews

Comfort

8.1

Overall

8.1

Food

7.1

Boarding

8.2

Entertainment

7.6

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Related info for your journey

Find useful and relevant information for your journey from Phoenix to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Seattle from Phoenix?

    Most people fly into Seattle/Tacoma Intl (SEA) if they book a flight to Seattle from Phoenix. On average, Seattle/Tacoma Intl has 42 inbound flights from Phoenix per day from 8 airlines. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

  • What are the cheapest airlines flying from Phoenix to Seattle round-trip?

    Cheapflights users have booked flights from Phoenix to Seattle round-trip from $65. Other airlines that can offer you cheap pricing are Spirit Airlines, from $105, and Alaska Airlines, from $153. Frontier is 63% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Phoenix to Seattle one-way?

    One-way options have recently been found by users for as low as $56 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $58 and Hawaiian Airlines from $66 one-way.

  • What are the most reliable airlines from Phoenix to Seattle?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Phoenix to Seattle on time: Aeromexico (100%), LATAM Airlines (100%), China Southern (100%).

  • What are the cheapest flights from Phoenix to Seattle?

    The cheapest flight price from Phoenix to Seattle is $48. On average you can expect to pay $526. The most popular route, (Phoenix Sky Harbor Intl - Seattle/Tacoma Intl), can usually be booked for $63.

  • Can I find deals for flights from Phoenix to Seattle that include hotel bookings?

    Yes. In addition to deals on Phoenix to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Phoenix to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Phoenix to Seattle.

  • Can I find deals for business class flights from Phoenix to Seattle?

    Yes. Cheapflights offers flight deals from Phoenix to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Phoenix to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Phoenix to Seattle (average of $238). Flying from Phoenix to Seattle in July is currently the most expensive (average of $411). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Phoenix?

Book flights to Phoenix if you plan to visit one of these locations
SeaTac
Tukwila
Renton
Tacoma
Lacey
Ocean Shores
Leavenworth
Olympia
Federal Way
Centralia
Marysville
Cle Elum
Mukilteo
Aberdeen
Lakewood
Issaquah
Shoreline
Lynnwood
Shelton
Silverdale

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Phoenix to Seattle

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Top 7 airlines flying from Phoenix to Seattle

Discover the top 7 airlines that operate flights from Phoenix to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$42Average$109FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$95Average$198FlexibilityNo cancel feeOn-time65%
DeltaCheapest$97Average$206FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$98Average$190FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$118Average$232FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$164Average$295FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$349Average$444FlexibilityNo cancel feeOn-time69%
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