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$80+ 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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SEA
Apr 16 — Apr 231
Wed 4/16
Wed 4/23
1 adult, Economy
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Cheapflights Tip: The best prices from Phoenix to Seattle/Tacoma Intl are usually found in January or September, booked 63 days in advance, depart on a Friday or Thursday and return on a Wednesday

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 April 11, 2025.

Round-trip from

$106
(Cheapflightsfares)

One-way from

$80
(Alaska Airlines)

Popular in

December

Cheapest in

January

Average price

$197
From Phoenix to Seattle/Tacoma Intl
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One-way flight from Phoenix to Seattle/Tacoma Intl
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High demand for flights, 1% potential price rise
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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 April 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 April 11, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/86:00 amPHX - SEA
Nonstop3h 16mFrontier
Fri 5/169:42 pmSEA - PHX
Nonstop3h 02mFrontier
Deal found 4/11$106
This Justfly.com deal was found by Cheapflights users on 4/10. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/159:19 amPHX - SEA
1 stop5h 06mMultiple Airlines
Sat 5/179:42 pmSEA - PHX
Nonstop3h 02mMultiple Airlines
Deal found 4/10$111
This Alaska Airlines deal was found by Cheapflights users on 4/11. 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.
Wed 5/146:00 amPHX - SEA
Nonstop3h 10mAlaska Airlines
Tue 5/209:59 amSEA - PHX
Nonstop2h 52mAlaska Airlines
Deal found 4/11$159
This Delta deal was found by Cheapflights users on 4/11. 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.
Wed 5/1411:09 amPHX - SEA
Nonstop3h 14mDelta
Sun 5/187:59 pmSEA - PHX
Nonstop2h 57mDelta
Deal found 4/11$163
This CheapOair deal was found by Cheapflights users on 4/11. 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.
Thu 5/12:34 pmPHX - SEA
1 stop5h 17mSpirit Airlines
Sun 5/48:56 pmSEA - PHX
1 stop16h 32mSpirit Airlines
Deal found 4/11$166
This Hawaiian Airlines deal was found by Cheapflights users on 4/10. 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 7/181:55 pmPHX - SEA
Nonstop3h 05mHawaiian Airlines
Sun 7/276:00 amSEA - PHX
Nonstop3h 00mHawaiian Airlines
Deal found 4/10$187
This Southwest deal was found by Cheapflights users on 4/11. 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.
Thu 6/127:15 pmPHX - SEA
1 stop5h 15mSouthwest
Thu 6/198:55 pmSEA - PHX
Nonstop3h 00mSouthwest
Deal found 4/11$197
This United Airlines deal was found by Cheapflights users on 4/10. 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 4/265:15 amPHX - SEA
1 stop6h 34mUnited Airlines
Sat 4/265:05 pmSEA - PHX
1 stop6h 27mUnited Airlines
Deal found 4/10$229

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 April 11, 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

Thu 5/8

6:00 am-9:16 am

Nonstop3h 16m

Seattle/Tacoma Intl

Fri 5/16

9:42 pm-12:44 am

Nonstop3h 02m

$106

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Thu 5/15

9:19 am-2:25 pm

1 stop5h 06m

Seattle/Tacoma Intl

Sat 5/17

9:42 pm-12:44 am

Nonstop3h 02m

$111

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Wed 5/14

6:00 am-9:13 am

Nonstop3h 13m

Seattle/Tacoma Intl

Tue 5/20

7:20 am-10:14 am

Nonstop2h 54m

$159

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Thu 5/1

2:34 pm-7:51 pm

1 stop5h 17m

Seattle/Tacoma Intl

Sun 5/4

8:56 pm-1:28 pm

1 stop16h 32m

$166

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Fri 7/18

1:55 pm-5:00 pm

Nonstop3h 05m

Seattle/Tacoma Intl

Sun 7/27

6:00 am-9:00 am

Nonstop3h 00m

$187

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Wed 5/14

8:50 pm-11:50 pm

Nonstop3h 00m

Seattle/Tacoma Intl

Sun 5/18

5:30 am-12:15 pm

2 stops6h 45m

$188

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Wed 6/4

7:00 am-11:31 am

1 stop4h 31m

Seattle/Tacoma Intl

Wed 6/25

8:55 pm-11:54 pm

Nonstop2h 59m

$192

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Sat 4/26

5:15 am-11:49 am

1 stop6h 34m

Seattle/Tacoma Intl

Sat 4/26

5:05 pm-11:32 pm

1 stop6h 27m

$229

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Wed 5/14

8:51 pm-11:59 pm

Nonstop3h 08m

$80

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Sat 8/9

6:48 am-10:04 am

Nonstop3h 16m

$81

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/10

Showing 1-10 of 15 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 April 4, 2025.

The best time to book flights from Phoenix to Seattle is 63 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 April 11, 2025.

It’s typically best to fly out from Phoenix to Seattle in the afternoon. Doing so could potentially save you 43% 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 April 11, 2025.

The most flights from PH1 to SEA are scheduled on a Friday (63 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (29 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 April 11, 2025.
Read through reviews of airlines operating flights from Phoenix to Seattle, such as Alaska Airlines, Southwest and Delta. 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
9,851 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,851 reviews
Alaska Airlines
8.0
Very good
9,851 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,279 reviews
Alaska Airlines
8.0
Very good
9,851 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,910 reviews
Alaska Airlines
8.0
Very good
9,851 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,366 reviews
Alaska Airlines
8.0
Very good
9,851 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,636 reviews
Alaska Airlines
8.0
Very good
9,851 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 48 inbound flights from Phoenix per day from 9 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 $106. Other airlines that can offer you cheap pricing are Alaska Airlines, from $159, and Delta, from $163. Frontier is 42% 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 $80 on Alaska Airlines. Other airlines that offer cheap prices include Frontier from $81 and Delta from $84 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: Air Europa (100%), Aeromexico (100%), LATAM Airlines (100%).

  • What are the cheapest flights from Phoenix to Seattle?

    The cheapest flight price from Phoenix to Seattle is $61. On average you can expect to pay $681. The most popular route, (Phoenix Sky Harbor Intl - Seattle/Tacoma Intl), can usually be booked for $118.

  • 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
Tacoma
Lakewood
Renton
Lacey
Ocean Shores
Leavenworth
Federal Way
Olympia
Shoreline
Cle Elum
Centralia
Mukilteo
Aberdeen
Kent
Lynnwood
Shelton
Silverdale
Redmond

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Phoenix to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Phoenix to Seattle

Discover the top 8 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 April 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$43Average$114FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$95Average$198FlexibilityNo cancel feeOn-time65%
DeltaCheapest$99Average$206FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$100Average$196FlexibilityNo cancel feeOn-time63%
Hawaiian AirlinesCheapest$104Average$187FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$118Average$221FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$167Average$291FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$182Average$426FlexibilityNo cancel feeOn-time69%

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