$88+ 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SEA
May 18 — May 251
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Phoenix to Seattle with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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
Best
Last-minute
One-way
Cheapest flights from Phoenix to SeattleExplore 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 18, 2026.
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 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 5/77:40 pm
PHX
- SEA
1 stop22h 55m
Frontier
Tue 5/1211:06 am
SEA
- PHX
1 stop12h 36m
Frontier
Deal found 4/14![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 5/67:40 pm
PHX
- SEA
1 stop22h 55m
Frontier
Tue 5/1211:06 am
SEA
- PHX
1 stop12h 36m
Frontier
Deal found 4/14![Frontier logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 5/307:40 pm
PHX
- SEA
1 stop22h 55m
Frontier
Sat 6/611:21 am
SEA
- PHX
1 stop12h 21m
Frontier
Deal found 4/16![Frontier logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Tue 5/127:40 pm
PHX
- SEA
1 stop22h 55m
Frontier
Tue 5/1911:06 am
SEA
- PHX
1 stop12h 36m
Frontier
Deal found 4/14![Frontier logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 5/137:40 pm
PHX
- SEA
1 stop22h 55m
Frontier
Sun 5/2411:21 am
SEA
- PHX
1 stop12h 21m
Frontier
Deal found 4/14![Frontier logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Tue 5/56:54 pm
PHX
- SEA
1 stop23h 41m
Frontier
Tue 5/1211:06 am
SEA
- PHX
1 stop12h 36m
Frontier
Deal found 4/14![Frontier logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 5/137:40 pm
PHX
- SEA
1 stop22h 55m
Frontier
Tue 5/2611:21 am
SEA
- PHX
1 stop12h 21m
Frontier
Deal found 4/14![Frontier logo]()
$158
This Expedia deal was found by Cheapflights users on 4/14. 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.
Thu 5/77:40 pm
PHX
- SEA
1 stop22h 55m
Frontier
Mon 5/1111:37 am
SEA
- PHX
1 stop23h 46m
Frontier
Deal found 4/14![Frontier logo]()
$160
This Booking.com deal was found by Cheapflights users on 4/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/84:17 pm
PHX
- SEA
1 stop17h 32m
Frontier
Tue 5/1911:06 am
SEA
- PHX
1 stop12h 36m
Frontier
Deal found 4/15![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 5/67:40 pm
PHX
- SEA
1 stop22h 55m
Frontier
Sat 5/911:06 am
SEA
- PHX
1 stop12h 36m
Frontier
Deal found 4/14![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 4/17. 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 5/87:40 pm
PHX
- SEA
1 stop21h 57m
Frontier
Mon 5/1811:06 am
SEA
- PHX
1 stop12h 36m
Frontier
Deal found 4/17![Frontier logo]()
$164
Best flights from Phoenix to SeattleDiscover carefully curated flight deals from Phoenix to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 18, 2026.
Discover carefully curated flight deals from Phoenix to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 18, 2026.
This Delta deal was found by Cheapflights users on 4/13. 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 5/1212:30 pm
PHX
- SEA
Nonstop3h 10m
Delta
Sat 5/168:40 am
SEA
- PHX
Nonstop2h 58m
Delta
Deal found 4/13![Delta logo]()
$217
This Southwest deal was found by Cheapflights users on 4/13. 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.
Sat 5/234:25 pm
PHX
- SEA
1 stop6h 05m
Southwest
Tue 5/266:50 am
SEA
- PHX
Nonstop2h 50m
Southwest
Deal found 4/13![Southwest logo]()
$272
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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 6/177:11 am
PHX
- SEA
1 stop16h 30m
Alaska Airlines
Thu 6/257:55 pm
SEA
- PHX
Nonstop2h 58m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$289
This Delta deal was found by Cheapflights users on 4/14. 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.
Fri 6/55:35 pm
PHX
- SEA
Nonstop3h 13m
Delta
Mon 6/88:35 pm
SEA
- PHX
Nonstop3h 01m
Delta
Deal found 4/14![Delta logo]()
$237
This Delta deal was found by Cheapflights users on 4/15. 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.
Sat 5/165:35 pm
PHX
- SEA
Nonstop3h 15m
Delta
Sat 5/235:55 pm
SEA
- PHX
Nonstop2h 58m
Delta
Deal found 4/15![Delta logo]()
$257
This Southwest deal was found by Cheapflights users on 4/17. 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.
Sun 8/96:00 am
PHX
- SEA
1 stop5h 45m
Southwest
Wed 8/199:25 am
SEA
- PHX
2 stops8h 50m
Southwest
Deal found 4/17![Southwest logo]()
$292
This Alaska Airlines deal was found by Cheapflights users on 4/13. 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.
Fri 5/14:00 pm
PHX
- SEA
Nonstop3h 13m
Alaska Airlines
Mon 5/47:00 am
SEA
- PHX
Nonstop2h 58m
Alaska Airlines
Deal found 4/13![Alaska Airlines logo]()
$292
This Alaska Airlines deal was found by Cheapflights users on 4/14. 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.
Fri 6/57:56 pm
PHX
- SEA
Nonstop3h 13m
Alaska Airlines
Mon 6/87:26 am
SEA
- PHX
1 stop8h 15m
Alaska Airlines
Deal found 4/14![Alaska Airlines logo]()
$292
This Delta deal was found by Cheapflights users on 4/16. 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.
Thu 6/186:55 am
PHX
- SEA
Nonstop3h 10m
Delta
Sat 6/278:14 am
SEA
- PHX
Nonstop2h 58m
Delta
Deal found 4/16![Delta logo]()
$267
This Delta deal was found by Cheapflights users on 4/14. 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.
Fri 9/256:00 am
PHX
- SEA
Nonstop3h 13m
Delta
Mon 9/281:40 pm
SEA
- PHX
Nonstop2h 54m
Delta
Deal found 4/14![Delta logo]()
$267
This Delta deal was found by Cheapflights users on 4/17. 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 6/173:51 pm
PHX
- SEA
Nonstop3h 09m
Delta
Thu 6/256:30 pm
SEA
- PHX
Nonstop2h 54m
Delta
Deal found 4/17![Delta logo]()
$267
This Delta deal was found by Cheapflights users on 4/13. 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.
Thu 6/183:51 pm
PHX
- SEA
Nonstop3h 09m
Delta
Thu 6/258:35 pm
SEA
- PHX
Nonstop3h 01m
Delta
Deal found 4/13![Delta logo]()
$302
Last-minute flights from Phoenix to SeattleDiscover last-minute flight deals from Phoenix to Seattle. Data last updated April 18, 2026 and is based on user searches.
Discover last-minute flight deals from Phoenix to Seattle. Data last updated April 18, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Tue 5/56:54 pm
PHX
- SEA
1 stop23h 41m
Frontier
Tue 5/1211:06 am
SEA
- PHX
1 stop12h 36m
Frontier
Deal found 4/14![Frontier logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 5/67:40 pm
PHX
- SEA
1 stop22h 55m
Frontier
Tue 5/1211:06 am
SEA
- PHX
1 stop12h 36m
Frontier
Deal found 4/14![Frontier logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 5/67:40 pm
PHX
- SEA
1 stop22h 55m
Frontier
Sat 5/911:06 am
SEA
- PHX
1 stop12h 36m
Frontier
Deal found 4/14![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 5/77:40 pm
PHX
- SEA
1 stop22h 55m
Frontier
Tue 5/1211:06 am
SEA
- PHX
1 stop12h 36m
Frontier
Deal found 4/14![Frontier logo]()
$126
This Expedia deal was found by Cheapflights users on 4/14. 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.
Thu 5/77:40 pm
PHX
- SEA
1 stop22h 55m
Frontier
Mon 5/1111:37 am
SEA
- PHX
1 stop23h 46m
Frontier
Deal found 4/14![Frontier logo]()
$160
This Booking.com deal was found by Cheapflights users on 4/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/84:17 pm
PHX
- SEA
1 stop17h 32m
Frontier
Tue 5/1911:06 am
SEA
- PHX
1 stop12h 36m
Frontier
Deal found 4/15![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 4/17. 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 5/87:40 pm
PHX
- SEA
1 stop21h 57m
Frontier
Mon 5/1811:06 am
SEA
- PHX
1 stop12h 36m
Frontier
Deal found 4/17![Frontier logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Tue 5/127:40 pm
PHX
- SEA
1 stop22h 55m
Frontier
Tue 5/1911:06 am
SEA
- PHX
1 stop12h 36m
Frontier
Deal found 4/14![Frontier logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 5/137:40 pm
PHX
- SEA
1 stop22h 55m
Frontier
Sun 5/2411:21 am
SEA
- PHX
1 stop12h 21m
Frontier
Deal found 4/14![Frontier logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 5/137:40 pm
PHX
- SEA
1 stop22h 55m
Frontier
Tue 5/2611:21 am
SEA
- PHX
1 stop12h 21m
Frontier
Deal found 4/14![Frontier logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 5/307:40 pm
PHX
- SEA
1 stop22h 55m
Frontier
Sat 6/611:21 am
SEA
- PHX
1 stop12h 21m
Frontier
Deal found 4/16![Frontier logo]()
$146
One-way flights from Phoenix to SeattleSearch for one-way flight options from Phoenix to Seattle. Find affordable one-way fares based on user searches. Data last updated April 18, 2026.
Search for one-way flight options from Phoenix to Seattle. Find affordable one-way fares based on user searches. Data last updated April 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 5/137:40 pm
PHX
- SEA
1 stop22h 55m
Frontier
Deal found 4/16![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 4/17. 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.
Tue 5/267:40 pm
PHX
- SEA
1 stop22h 55m
Frontier
Deal found 4/17![Frontier logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 5/610:27 pm
PHX
- SEA
2 stops20h 08m
Frontier
Deal found 4/13![Frontier logo]()
$93
This Trip.com deal was found by Cheapflights users on 4/13. 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 Trip.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
Deal found 4/13![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 6/87:40 pm
PHX
- SEA
1 stop22h 46m
Frontier
Deal found 4/14![Frontier logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 4/17. 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 5/149:42 am
PHX
- SEA
1 stop24h 40m
Frontier
Deal found 4/17![Frontier logo]()
$97
This iWofly deal was found by Cheapflights users on 4/13. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:50 am
PHX
- SEA
1 stop8h 15m
Frontier
Deal found 4/13![Frontier logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 5/207:40 am
PHX
- SEA
1 stop26h 56m
Frontier
Deal found 4/16![Frontier logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 5/1610:27 pm
PHX
- SEA
1 stop11h 55m
Frontier
Deal found 4/16![Frontier logo]()
$102
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 April 18, 2026.
Round-trip from | $126 (Kiwi.com) |
|---|---|
One-way from | $88 (Kiwi.com) |
Popular in | April |
Cheapest in | January |
Average price | $231 |
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 18, 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
Cheapest round-trip
PhoenixSeattle
PHX - SEA
PHXSEA
Phoenix Sky Harbor Intl
Tue 5/12
12:30 pm-3:40 pm
Nonstop3h 10m
Seattle/Tacoma Intl
Sat 5/16
8:40 am-11:38 am
Nonstop2h 58m
$217
PhoenixSeattle
PHX - SEA
PHXSEA
Phoenix Sky Harbor Intl
Fri 6/5
5:35 pm-8:48 pm
Nonstop3h 13m
Seattle/Tacoma Intl
Mon 6/8
8:35 pm-11:36 pm
Nonstop3h 01m
$237
PhoenixSeattle
PHX - SEA
PHXSEA
Phoenix Sky Harbor Intl
Sat 5/16
5:35 pm-8:50 pm
Nonstop3h 15m
Seattle/Tacoma Intl
Sat 5/23
5:55 pm-8:53 pm
Nonstop2h 58m
$257
PhoenixSeattle
PHX - SEA
PHXSEA
Phoenix Sky Harbor Intl
Thu 6/18
6:55 am-10:05 am
Nonstop3h 10m
Seattle/Tacoma Intl
Sat 6/27
8:14 am-11:12 am
Nonstop2h 58m
$267
PhoenixSeattle
PHX - SEA
PHXSEA
Phoenix Sky Harbor Intl
Fri 9/25
6:00 am-9:13 am
Nonstop3h 13m
Seattle/Tacoma Intl
Mon 9/28
1:40 pm-4:34 pm
Nonstop2h 54m
$267
Quickest round-trip
PhoenixSeattle
PHX - SEA
PHXSEA
Phoenix Sky Harbor Intl
Wed 6/17
3:51 pm-7:00 pm
Nonstop3h 09m
Seattle/Tacoma Intl
Thu 6/25
6:30 pm-9:24 pm
Nonstop2h 54m
$267
PhoenixSeattle
PHX - SEA
PHXSEA
Phoenix Sky Harbor Intl
Sat 5/23
4:25 pm-10:30 pm
1 stop6h 05m
Seattle/Tacoma Intl
Tue 5/26
6:50 am-9:40 am
Nonstop2h 50m
$272
PhoenixSeattle
PHX - SEA
PHXSEA
Phoenix Sky Harbor Intl
Wed 6/17
7:11 am-11:41 pm
1 stop16h 30m
Seattle/Tacoma Intl
Thu 6/25
7:55 pm-10:53 pm
Nonstop2h 58m
$289
PhoenixSeattle
PHX - SEA
PHXSEA
Phoenix Sky Harbor Intl
Sun 8/9
6:00 am-11:45 am
1 stop5h 45m
Seattle/Tacoma Intl
Wed 8/19
9:25 am-6:15 pm
2 stops8h 50m
$292
PhoenixSeattle
PHX - SEA
PHXSEA
Phoenix Sky Harbor Intl
Fri 5/1
4:00 pm-7:13 pm
Nonstop3h 13m
Seattle/Tacoma Intl
Mon 5/4
7:00 am-9:58 am
Nonstop2h 58m
$292
Showing 1-10 of 24 resultsSorted by cheapest first
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.
PH1-SEA
PHX-SEA
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
PH1-SEA
PHX-SEA
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 10, 2026.
The best time to book flights from Phoenix to Seattle is 62 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 $28). Flying from Phoenix to Seattle in March is currently the most expensive (average of $586). 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 18, 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.
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 April 11, 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.
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 18, 2026.
The most flights from PH1 to SEA are scheduled on a Thursday (49 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (18 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 11% of weekly flights between Phoenix and Seattle have experienced delays in the past year, with the average delay time being 140 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 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 7% 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 April 18, 2026.
See what other customers who have flown with Alaska Airlines,Delta, andHawaiian Airlines 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.
Entertainment
7.0
Food
7.0
Boarding
8.1
Crew
8.5
Comfort
7.8
Overall
7.9
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Entertainment
7.0
Food
7.0
Boarding
8.1
Crew
8.5
Comfort
7.8
Overall
7.9
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Entertainment
7.0
Food
7.0
Boarding
8.1
Crew
8.5
Comfort
7.8
Overall
7.9
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Entertainment
7.0
Food
7.0
Boarding
8.1
Crew
8.5
Comfort
7.8
Overall
7.9
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Entertainment
7.0
Food
7.0
Boarding
8.1
Crew
8.5
Comfort
7.8
Overall
7.9
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Entertainment
7.0
Food
7.0
Boarding
8.1
Crew
8.5
Comfort
7.8
Overall
7.9
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
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.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Tacoma
Ocean Shores
Olympia
Lynnwood
Lacey
Kent
Edmonds
Leavenworth
Snoqualmie
Tumwater
Tukwila
Renton
Puyallup
Kirkland
Ellensburg
Fife
Lakewood
Issaquah
Shoreline
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Seattle flight routes
Alternative routes for Phoenix to Seattle
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Seattle by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Phoenix to Seattle by cabin class
Find flights from Phoenix to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Phoenix and Seattle flights
Browse other Phoenix and Seattle flight options. Last updated on April 18, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Seattle
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 18, 2026.
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 April 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$55 | Average$150 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$83 | Average$192 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$97 | Average$202 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$97 | Average$218 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$97 | Average$233 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$97 | Average$227 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$117 | Average$270 | FlexibilityNo cancel fee | On-time71% |