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$50+ 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 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SEA
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
1 adult, Economy
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Cheapflights Tip: The best prices from Phoenix to Seattle/Tacoma Intl are usually found in January or February, booked 83 days in advance, depart on a Friday or Thursday and return on a Wednesday

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 November 26, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/25. 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.
Mon 12/224:33 pmPHX - SEA
Nonstop3h 20mFrontier
Fri 1/27:48 pmSEA - PHX
Nonstop3h 02mFrontier
Deal found 11/25$92
This Expedia deal was found by Cheapflights users on 11/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/121:42 pmPHX - SEA
Nonstop3h 19mMultiple Airlines
Sun 12/146:59 pmSEA - PHX
Nonstop2h 52mMultiple Airlines
Deal found 11/23$93
This Expedia deal was found by Cheapflights users on 11/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/132:15 pmPHX - SEA
Nonstop3h 21mMultiple Airlines
Sun 12/145:30 pmSEA - PHX
Nonstop2h 55mMultiple Airlines
Deal found 11/23$98
This Frontier deal was found by Cheapflights users on 11/24. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/82:15 pmPHX - SEA
Nonstop3h 21mFrontier
Fri 1/91:02 pmSEA - PHX
Nonstop2h 55mFrontier
Deal found 11/24$99
This FlightHub deal was found by Cheapflights users on 11/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/51:42 pmPHX - SEA
Nonstop3h 19mFrontier
Sat 1/1012:40 pmSEA - PHX
Nonstop3h 04mFrontier
Deal found 11/25$102
This Kiwi.com deal was found by Cheapflights users on 11/26. 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.
Sun 12/2110:37 pmPHX - SEA
Nonstop3h 16mMultiple Airlines
Sat 1/36:12 pmSEA - PHX
Nonstop3h 00mMultiple Airlines
Deal found 11/26$105
This Super.com deal was found by Cheapflights users on 11/25. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/62:15 pmPHX - SEA
Nonstop3h 21mFrontier
Mon 12/85:21 pmSEA - PHX
Nonstop2h 59mFrontier
Deal found 11/25$106
This Frontier deal was found by Cheapflights users on 11/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/51:42 pmPHX - SEA
Nonstop3h 19mFrontier
Sat 12/135:21 pmSEA - PHX
Nonstop2h 59mFrontier
Deal found 11/25$107
This FlightHub deal was found by Cheapflights users on 11/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/51:42 pmPHX - SEA
Nonstop3h 19mFrontier
Mon 12/85:21 pmSEA - PHX
Nonstop2h 59mFrontier
Deal found 11/24$108
This Kiwi.com deal was found by Cheapflights users on 11/25. 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.
Sat 12/203:00 pmPHX - SEA
Nonstop3h 17mFrontier
Sun 1/46:05 pmSEA - PHX
1 stop13h 43mFrontier
Deal found 11/25$109

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 November 26, 2025.

Round-trip from

$91
(Orbitz)

One-way from

$50
(Expedia)

Popular in

April

Cheapest in

January

Average price

$205
From Phoenix to Seattle/Tacoma Intl
Search Deals
One-way flight from Phoenix to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($20 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($2 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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Cheapflights Fare Finder

 
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 November 26, 2025.
Use the filters below to find and compare flights from Phoenix to Seattle that are best for you.

Fly from

Phoenix

Fly to

Seattle

Route

Depart

Return

Price

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Tue 1/13

11:00 am-1:19 pm

Nonstop3h 19m

Seattle/Tacoma Intl

Tue 1/13

3:55 pm-7:48 pm

Nonstop2h 53m

$111

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Tue 1/6

6:31 pm-8:49 pm

Nonstop3h 18m

Seattle/Tacoma Intl

Sun 1/11

7:10 am-11:08 am

Nonstop2h 58m

$117

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Mon 1/12

9:45 am-12:05 pm

Nonstop3h 20m

Seattle/Tacoma Intl

Thu 1/15

11:05 am-2:55 pm

Nonstop2h 50m

$117

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Wed 1/7

12:05 pm-2:21 pm

Nonstop3h 16m

Seattle/Tacoma Intl

Wed 1/14

9:55 am-1:50 pm

Nonstop2h 55m

$117

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Sun 1/18

12:05 pm-2:21 pm

Nonstop3h 16m

Seattle/Tacoma Intl

Sat 1/31

11:50 am-3:47 pm

Nonstop2h 57m

$117

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Thu 1/29

5:00 am-1:15 pm

1 stop9h 15m

Seattle/Tacoma Intl

Sun 2/1

5:15 am-1:35 pm

1 stop7h 20m

$136

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Wed 12/24

7:05 am-11:35 am

1 stop5h 30m

Seattle/Tacoma Intl

Wed 12/31

10:50 am-7:55 pm

1 stop8h 05m

$142

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Sun 12/28

10:37 pm-12:53 am

Nonstop3h 16m

Seattle/Tacoma Intl

Sun 1/4

8:05 pm-11:59 pm

Nonstop2h 54m

$152

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Sat 12/27

7:00 am-9:19 am

Nonstop3h 19m

Seattle/Tacoma Intl

Fri 1/2

6:24 pm-10:18 pm

Nonstop2h 54m

$152

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Sat 12/27

7:00 am-9:19 am

Nonstop3h 19m

Seattle/Tacoma Intl

Sun 1/4

8:05 pm-11:59 pm

Nonstop2h 54m

$152

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/24

Showing 1-10 of 24 results
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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.

Cheapflights Insights

Everything you need to know about your flight from Phoenix to Seattle

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 November 21, 2025.

The best time to book flights from Phoenix to Seattle is 83 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, February is the cheapest month in which you can book a flight from Phoenix to Seattle (average of $38). Flying from Phoenix to Seattle in July is currently the most expensive (average of $89). 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 November 26, 2025.

It’s typically best to fly out from Phoenix to Seattle at noon. Doing so could potentially save you 45% on the flight price compared to flying in the evening, 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 December 16, 2024.

Travelers seeking maximum savings on their Phoenix to Seattle flight should consider departing on Saturday evenings when fares are most often at their lowest. Wednesday 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 November 26, 2025.

The most flights from PH1 to SEA are scheduled on a Monday (65 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (12 on average).

How often are flights from Phoenix to Seattle delayed?

About 10% of weekly flights between Phoenix and Seattle have experienced delays in the past year, with the average delay time being 138 minutes.

What is the most punctual flight time for Phoenix to Seattle flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Phoenix to Seattle flights?

Over the last year, Delta have had the lowest number of delays on this route, with just 5% of flights being delayed.

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 November 26, 2025.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta from Phoenix to Seattle have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,354 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Alaska Airlines
8.0
Very good
11,354 reviews
Alaska Airlines
8.0
Very good
11,354 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Southwest
8.0
Very good
4,254 reviews
Alaska Airlines
8.0
Very good
11,354 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Delta
7.9
Good
7,998 reviews
Alaska Airlines
8.0
Very good
11,354 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Hawaiian Airlines
7.8
Good
2,814 reviews
Alaska Airlines
8.0
Very good
11,354 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Frontier
5.8
Fair
3,099 reviews
Alaska Airlines
8.0
Very good
11,354 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.

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 39 inbound flights from Phoenix per day from 6 airlines. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

  • How long is the flight from Phoenix to Seattle?

    There are many flights that can get you from Phoenix to Seattle in 3h 18m. Fly via Alaska Airlines, Delta, or Southwest to get the fastest option. The distance from Phoenix to Seattle is about 1107 mi. Generally, flights for this route are nonstop.

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

    Cheapflights users have booked flights from Phoenix to Seattle round-trip from $53. Other airlines that can offer you cheap pricing are Hawaiian Airlines, from $84, and Alaska Airlines, from $97. Frontier is 71% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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: Air France (88%), Korean Air (86%), Delta (84%).

  • What are the cheapest flights from Phoenix to Seattle?

    The cheapest flight price from Phoenix to Seattle is $29. On average you can expect to pay $652. The most popular route, (Phoenix Sky Harbor Intl - Seattle/Tacoma Intl), can usually be booked for $86.

  • 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, February is the cheapest month in which you can book a flight from Phoenix to Seattle (average of $38). Flying from Phoenix to Seattle in July is currently the most expensive (average of $89). 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 Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
SeaTac
Olympia
Lakewood
Ocean Shores
Tukwila
Edmonds
Lynnwood
Renton
Puyallup
Kirkland
Kent
Cle Elum
Marysville
Leavenworth
Fife
Issaquah
Aberdeen
Shoreline
Centralia

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from Phoenix to Seattle

Discover the top 6 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 November 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$53Average$151FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$84Average$196FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$97Average$218FlexibilityNo cancel feeOn-time75%
DeltaCheapest$106Average$202FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$110Average$210FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$134Average$268FlexibilityNo cancel feeOn-time71%

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