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$110+ 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 6/17. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SEA
Jun 25 — Jul 21
Thu 6/25
Thu 7/2
1 adult, Economy
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Cheapflights Tip: The best prices from Phoenix to Seattle/Tacoma Intl are usually found in January or September, booked 62 days in advance, depart on a Friday or Thursday and return on a Saturday

Cheap 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 May 26, 2026.

This Southwest deal was found by Cheapflights users on 5/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/115:45 am
PHX
-
SEA
1 stop4h 45m
Southwest
Mon 8/178:20 pm
SEA
-
PHX
Nonstop2h 55m
Southwest
Deal found 5/23$207
This Kiwi.com deal was found by Cheapflights users on 5/22. 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.
Thu 7/1611:35 am
PHX
-
SEA
1 stop6h 16m
Frontier
Mon 7/208:53 pm
SEA
-
PHX
1 stop16h 06m
Frontier
Deal found 5/22$208
This Kiwi.com deal was found by Cheapflights users on 5/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2411:32 am
PHX
-
SEA
1 stop6h 54m
Frontier
Tue 7/78:13 pm
SEA
-
PHX
1 stop16h 46m
Frontier
Deal found 5/23$209
This Kiwi.com deal was found by Cheapflights users on 5/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1711:32 am
PHX
-
SEA
1 stop6h 54m
Frontier
Mon 6/298:12 pm
SEA
-
PHX
1 stop16h 43m
Frontier
Deal found 5/23$211
This Expedia deal was found by Cheapflights users on 5/22. 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.
Tue 7/2811:35 am
PHX
-
SEA
1 stop6h 16m
Multiple Airlines
Tue 8/411:50 am
SEA
-
PHX
Nonstop3h 07m
Multiple Airlines
Deal found 5/22$214
This Kiwi.com deal was found by Cheapflights users on 5/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/2511:32 am
PHX
-
SEA
1 stop6h 54m
Frontier
Tue 7/78:13 pm
SEA
-
PHX
1 stop16h 46m
Frontier
Deal found 5/23$215
This Kiwi.com deal was found by Cheapflights users on 5/25. 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 6/226:40 am
PHX
-
SEA
1 stop7h 38m
Frontier
Tue 7/78:13 pm
SEA
-
PHX
1 stop16h 46m
Frontier
Deal found 5/25$216
This Delta deal was found by Cheapflights users on 5/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/223:51 pm
PHX
-
SEA
Nonstop3h 09m
Delta
Fri 6/266:30 pm
SEA
-
PHX
Nonstop2h 54m
Delta
Deal found 5/25$217
This Travelocity deal was found by Cheapflights users on 5/25. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/2311:32 am
PHX
-
SEA
1 stop6h 54m
Multiple Airlines
Thu 7/94:55 pm
SEA
-
PHX
Nonstop2h 58m
Multiple Airlines
Deal found 5/25$219
This Kiwi.com deal was found by Cheapflights users on 5/22. 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 6/156:40 am
PHX
-
SEA
1 stop7h 38m
Frontier
Tue 6/238:12 pm
SEA
-
PHX
1 stop16h 43m
Frontier
Deal found 5/22$221
This United Airlines deal was found by Cheapflights users on 5/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/73:50 pm
PHX
-
SEA
2 stops7h 20m
United Airlines
Tue 7/148:35 am
SEA
-
PHX
1 stop6h 07m
United Airlines
Deal found 5/25$222
This Kiwi.com deal was found by Cheapflights users on 5/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2411:32 am
PHX
-
SEA
1 stop6h 54m
Multiple Airlines
Tue 7/141:44 pm
SEA
-
PHX
Nonstop3h 01m
Multiple Airlines
Deal found 5/24$223

Find 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 May 26, 2026.

Round-trip from

$207
(Southwest)

One-way from

$110
(Kiwi.com)

Popular in

May

Cheapest in

January

Average price

$267
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. 16% potential increase in price ($41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
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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 May 26, 2026.
Use the filters below to find and compare flights from Phoenix to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Tue 8/11

5:45 am-10:30 am

1 stop4h 45m

Seattle/Tacoma Intl

Mon 8/17

8:20 pm-11:15 pm

Nonstop2h 55m

$207

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Tue 8/11

7:02 am-2:24 pm

1 stop7h 22m

Seattle/Tacoma Intl

Wed 8/19

5:20 pm-10:59 pm

1 stop5h 39m

$217

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Sat 8/1

7:30 pm-1:13 am

1 stop5h 43m

Seattle/Tacoma Intl

Sat 8/22

5:20 pm-11:12 pm

1 stop5h 52m

$237

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Tue 8/11

6:53 pm-10:00 pm

Nonstop3h 07m

Seattle/Tacoma Intl

Tue 8/18

4:45 pm-11:33 pm

1 stop6h 48m

$239

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Sun 8/30

12:12 pm-3:23 pm

Nonstop3h 11m

Seattle/Tacoma Intl

Tue 9/8

8:25 pm-11:26 pm

Nonstop3h 01m

$247

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Sat 8/1

4:56 pm-9:21 pm

1 stop4h 25m

Seattle/Tacoma Intl

Sat 8/22

8:38 pm-11:38 pm

Nonstop3h 00m

$247

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Wed 7/29

2:37 pm-5:43 pm

Nonstop3h 06m

Seattle/Tacoma Intl

Mon 8/3

7:07 am-4:14 pm

1 stop9h 07m

$247
Quickest round-trip

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Thu 6/25

12:05 pm-3:18 pm

Nonstop3h 13m

Seattle/Tacoma Intl

Wed 7/1

6:30 pm-9:24 pm

Nonstop2h 54m

$257

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Fri 9/11

8:20 am-11:27 am

Nonstop3h 07m

Seattle/Tacoma Intl

Mon 9/14

2:45 pm-5:45 pm

Nonstop3h 00m

$257

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Sun 8/9

7:00 am-1:03 pm

1 stop6h 03m

Seattle/Tacoma Intl

Wed 8/19

9:57 am-1:02 pm

Nonstop3h 05m

$267

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/22

Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3

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

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 $28). Flying from Phoenix to Seattle in March is currently the most expensive (average of $646). 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 May 26, 2026.

It’s typically best to fly out from Phoenix to Seattle at noon. Doing so could potentially save you 31% on the flight price compared to flying in the morning, which is usually more expensive.

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 May 26, 2026.

The most flights from PH1 to SEA are scheduled on a Tuesday (46 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (20 on average).

How much does it cost to fly round-trip from Phoenix to Seattle?

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 139 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 at night tend to experience delays more often.

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

Saturday tends to have the lowest number of delays on this route, whereas Monday 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 7% of flights being delayed.

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

The best time to book flights from Phoenix to Seattle is 61 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 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 May 23, 2026.

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

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 May 26, 2026.
See what other customers who have flown with Alaska Airlines,Southwest, andDelta 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
7.9
Good
12,417 reviews

Entertainment

7.0

Food

7.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Alaska Airlines
7.9
Good
12,417 reviews
Alaska Airlines
7.9
Good
12,417 reviews

Entertainment

7.0

Food

7.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Southwest
7.9
Good
4,266 reviews
Alaska Airlines
7.9
Good
12,417 reviews

Entertainment

7.0

Food

7.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Delta
7.9
Good
8,428 reviews
Alaska Airlines
7.9
Good
12,417 reviews

Entertainment

7.0

Food

7.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
American Airlines
7.1
Good
11,630 reviews
Alaska Airlines
7.9
Good
12,417 reviews

Entertainment

7.0

Food

7.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Frontier
5.7
Fair
2,935 reviews
Alaska Airlines
7.9
Good
12,417 reviews

Entertainment

7.0

Food

7.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

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 31 inbound flights from Phoenix per day from 7 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 07m. Fly via Southwest, United Airlines, or Alaska Airlines to get the fastest option. The distance from Phoenix to Seattle is about 1107 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Cheapflights users have booked flights from Phoenix to Seattle round-trip from $58. Other airlines that can offer you cheap pricing are Hawaiian Airlines, from $83, and Southwest, from $97. Frontier is 71% 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 $29 on Frontier. Other airlines that offer cheap prices include Southwest from $58 and Alaska Airlines from $58 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: KLM (97%), Icelandair (96%), Air France (96%).

  • What are the cheapest flights from Phoenix to Seattle?

    The cheapest flight price from Phoenix to Seattle is $116. On average you can expect to pay $853. The most popular route, (Phoenix Sky Harbor Intl - Seattle/Tacoma Intl), can usually be booked for $197.

  • 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 $28). Flying from Phoenix to Seattle in March is currently the most expensive (average of $646). 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
SeaTac
Tacoma
Ocean Shores
Olympia
Lacey
Edmonds
Leavenworth
Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Lynnwood
Renton
Ellensburg
Fife
Lakewood
Issaquah
Marysville
Shoreline

Browse thousands of different options on Cheapflights for your next trip

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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 May 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$58Average$163FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$83Average$186FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$97Average$225FlexibilityNo cancel feeOn-time63%
DeltaCheapest$97Average$219FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$97Average$253FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$117Average$278FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$180Average$227FlexibilityNo cancel feeOn-time62%

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