$117+ 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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SEA
Aug 24 — Aug 311
Round-trip
1 adult, Economy
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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 February, booked 62 days in advance, depart on a Friday or Thursday and return on a Saturday
Cheap flight deals from Phoenix to Seattle
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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 July 25, 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 July 25, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:38 pm
PHX
- SEA
Nonstop3h 08m
Alaska Airlines
Sat 9/262:45 pm
SEA
- PHX
Nonstop3h 00m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$207
This Alaska Airlines deal was found by Cheapflights users on 7/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/199:22 am
PHX
- SEA
Nonstop3h 12m
Alaska Airlines
Wed 9/307:40 am
SEA
- PHX
1 stop6h 53m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/2010:30 pm
PHX
- SEA
1 stop12h 09m
Frontier
Sat 8/2910:34 am
SEA
- PHX
1 stop7h 18m
Frontier
Deal found 7/23![Frontier logo]()
$211
This Southwest deal was found by Cheapflights users on 7/21. 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.
Wed 9/1612:55 pm
PHX
- SEA
2 stops7h 20m
Southwest
Wed 9/231:45 pm
SEA
- PHX
Nonstop3h 10m
Southwest
Deal found 7/21![Southwest logo]()
$212
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/2010:30 pm
PHX
- SEA
1 stop12h 09m
Frontier
Tue 8/252:37 pm
SEA
- PHX
1 stop9h 02m
Frontier
Deal found 7/22![Frontier logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/166:40 am
PHX
- SEA
1 stop6h 37m
Frontier
Sun 8/239:29 pm
SEA
- PHX
1 stop15h 19m
Frontier
Deal found 7/19![Frontier logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 8/156:53 pm
PHX
- SEA
1 stop14h 11m
Frontier
Sat 8/2210:34 am
SEA
- PHX
1 stop7h 18m
Frontier
Deal found 7/20![Frontier logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Fri 8/1411:40 am
PHX
- SEA
1 stop6h 11m
Frontier
Mon 8/2410:34 am
SEA
- PHX
1 stop7h 18m
Frontier
Deal found 7/24![Frontier logo]()
$216
This Alaska Airlines deal was found by Cheapflights users on 7/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/119:10 am
PHX
- SEA
Nonstop3h 07m
Alaska Airlines
Tue 8/187:55 pm
SEA
- PHX
Nonstop2h 58m
Alaska Airlines
Deal found 7/24![Alaska Airlines logo]()
$217
This Expedia deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1211:31 am
PHX
- SEA
Nonstop3h 08m
Multiple Airlines
Mon 9/147:00 am
SEA
- PHX
1 stop7h 35m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$219
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 July 25, 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 July 25, 2026.
This Southwest deal was found by Cheapflights users on 7/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/144:20 pm
PHX
- SEA
1 stop5h 35m
Southwest
Tue 10/203:00 pm
SEA
- PHX
Nonstop2h 45m
Southwest
Deal found 7/24![Southwest logo]()
$217
This Alaska Airlines deal was found by Cheapflights users on 7/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/88:20 am
PHX
- SEA
Nonstop3h 07m
Alaska Airlines
Tue 9/158:41 am
SEA
- PHX
1 stop5h 52m
Alaska Airlines
Deal found 7/24![Alaska Airlines logo]()
$230
This United Airlines deal was found by Cheapflights users on 7/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/141:45 pm
PHX
- SEA
2 stops7h 16m
United Airlines
Tue 10/205:00 am
SEA
- PHX
1 stop5h 48m
United Airlines
Deal found 7/24![United Airlines logo]()
$232
This Southwest deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/182:30 pm
PHX
- SEA
Nonstop3h 00m
Southwest
Tue 8/253:35 pm
SEA
- PHX
1 stop4h 35m
Southwest
Deal found 7/19![Southwest logo]()
$227
This Alaska Airlines deal was found by Cheapflights users on 7/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1011:31 am
PHX
- SEA
Nonstop3h 08m
Alaska Airlines
Tue 9/152:45 pm
SEA
- PHX
Nonstop3h 00m
Alaska Airlines
Deal found 7/24![Alaska Airlines logo]()
$232
This United Airlines deal was found by Cheapflights users on 7/21. 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.
Fri 8/283:55 pm
PHX
- SEA
1 stop5h 46m
United Airlines
Sat 9/53:30 pm
SEA
- PHX
2 stops7h 27m
United Airlines
Deal found 7/21![United Airlines logo]()
$252
This Alaska Airlines deal was found by Cheapflights users on 7/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2412:13 pm
PHX
- SEA
1 stop6h 39m
Alaska Airlines
Sat 10/310:20 am
SEA
- PHX
1 stop8h 22m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$238
This Southwest deal was found by Cheapflights users on 7/20. 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.
Mon 9/282:00 pm
PHX
- SEA
1 stop5h 35m
Southwest
Fri 10/212:50 pm
SEA
- PHX
2 stops6h 55m
Southwest
Deal found 7/20![Southwest logo]()
$262
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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.
Thu 8/137:11 am
PHX
- SEA
1 stop9h 47m
Alaska Airlines
Mon 8/177:17 am
SEA
- PHX
Nonstop3h 03m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$240
This Alaska Airlines deal was found by Cheapflights users on 7/20. 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.
Mon 8/176:53 pm
PHX
- SEA
1 stop15h 33m
Alaska Airlines
Sun 8/237:21 am
SEA
- PHX
Nonstop3h 03m
Alaska Airlines
Deal found 7/20![Alaska Airlines logo]()
$240
This Alaska Airlines deal was found by Cheapflights users on 7/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/113:15 pm
PHX
- SEA
1 stop19h 10m
Alaska Airlines
Mon 9/148:41 am
SEA
- PHX
1 stop5h 52m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$243
This Alaska Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/168:56 pm
PHX
- SEA
1 stop8h 57m
Alaska Airlines
Wed 8/262:49 pm
SEA
- PHX
Nonstop3h 00m
Alaska Airlines
Deal found 7/19![Alaska Airlines logo]()
$257
Last-minute flights from Phoenix to SeattleDiscover last-minute flight deals from Phoenix to Seattle. Data last updated July 25, 2026 and is based on user searches.
Discover last-minute flight deals from Phoenix to Seattle. Data last updated July 25, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/299:58 pm
PHX
- SEA
1 stop12h 41m
Frontier
Tue 8/118:13 pm
SEA
- PHX
1 stop16h 46m
Frontier
Deal found 7/19![Frontier logo]()
$247
This Expedia deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/292:04 pm
PHX
- SEA
1 stop20h 35m
Multiple Airlines
Wed 8/121:44 pm
SEA
- PHX
Nonstop3h 01m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/299:58 pm
PHX
- SEA
1 stop12h 41m
Multiple Airlines
Sat 8/157:55 pm
SEA
- PHX
Nonstop2h 58m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/299:58 pm
PHX
- SEA
1 stop12h 41m
Multiple Airlines
Thu 8/137:17 am
SEA
- PHX
Nonstop3h 03m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$266
This Expedia deal was found by Cheapflights users on 7/24. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/299:58 pm
PHX
- SEA
1 stop12h 41m
Multiple Airlines
Sat 8/87:17 am
SEA
- PHX
Nonstop3h 03m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$268
This Super.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/299:58 pm
PHX
- SEA
1 stop12h 41m
Frontier
Wed 8/127:06 pm
SEA
- PHX
1 stop12h 34m
Frontier
Deal found 7/19![Frontier logo]()
$270
This Expedia deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/17:45 am
PHX
- SEA
1 stop26h 54m
Frontier
Mon 8/249:29 pm
SEA
- PHX
1 stop15h 30m
Frontier
Deal found 7/19![Frontier logo]()
$259
This Expedia deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/16:40 am
PHX
- SEA
1 stop26h 37m
Frontier
Sat 8/88:13 pm
SEA
- PHX
1 stop26h 52m
Frontier
Deal found 7/19![Frontier logo]()
$263
This Expedia deal was found by Cheapflights users on 7/23. 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 8/14:48 pm
PHX
- SEA
1 stop16h 29m
Frontier
Thu 8/68:53 pm
SEA
- PHX
1 stop14h 34m
Frontier
Deal found 7/23![Frontier logo]()
$273
This Expedia deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/36:53 pm
PHX
- SEA
1 stop14h 24m
Frontier
Mon 8/241:35 pm
SEA
- PHX
1 stop20h 36m
Frontier
Deal found 7/19![Frontier logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 8/39:58 pm
PHX
- SEA
1 stop12h 41m
Multiple Airlines
Tue 8/1111:50 am
SEA
- PHX
Nonstop3h 07m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$245
This Expedia deal was found by Cheapflights users on 7/20. 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.
Mon 8/38:40 am
PHX
- SEA
1 stop24h 37m
Frontier
Thu 8/68:53 pm
SEA
- PHX
1 stop26h 12m
Frontier
Deal found 7/20![Frontier logo]()
$248
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 July 25, 2026.
Search for one-way flight options from Phoenix to Seattle. Find affordable one-way fares based on user searches. Data last updated July 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
Fri 9/185:55 pm
PHX
- SEA
1 stop16h 05m
Frontier
Deal found 7/22![Frontier logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 9/1412:09 pm
PHX
- SEA
2 stops21h 51m
Frontier
Deal found 7/22![Frontier logo]()
$118
This Alaska Airlines deal was found by Cheapflights users on 7/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/306:02 am
PHX
- SEA
Nonstop3h 03m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$119
This Frontier deal was found by Cheapflights users on 7/20. 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.
Thu 9/243:40 pm
PHX
- SEA
1 stop8h 47m
Frontier
Deal found 7/20![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 11/21:09 pm
PHX
- SEA
2 stops23h 22m
Frontier
Deal found 7/21![Frontier logo]()
$121
This Super.com deal was found by Cheapflights users on 7/20. 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 8/86:40 am
PHX
- SEA
1 stop6h 37m
Frontier
Deal found 7/20![Frontier logo]()
$122
This Super.com deal was found by Cheapflights users on 7/22. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:40 am
PHX
- SEA
1 stop6h 37m
Frontier
Deal found 7/22![Frontier logo]()
$123
This Frontier deal was found by Cheapflights users on 7/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/203:40 pm
PHX
- SEA
1 stop8h 47m
Frontier
Deal found 7/22![Frontier logo]()
$124
This iWofly deal was found by Cheapflights users on 7/21. 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 9/410:30 pm
PHX
- SEA
1 stop12h 09m
Frontier
Deal found 7/21![Frontier logo]()
$125
This Frontier deal was found by Cheapflights users on 7/21. 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.
Tue 9/810:09 pm
PHX
- SEA
1 stop11h 51m
Frontier
Deal found 7/21![Frontier logo]()
$126
This FlightHub deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:35 am
PHX
- SEA
1 stop6h 47m
Frontier
Deal found 7/19![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1212:49 pm
PHX
- SEA
2 stops21h 11m
Frontier
Deal found 7/19![Frontier logo]()
$128
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 July 25, 2026.
Most accurate provider | Expedia 1 star |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $207 (Alaska Airlines) |
One-way from | $117 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $281 |
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 July 25, 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
Wed 10/14
4:20 pm-9:55 pm
1 stop5h 35m
Seattle/Tacoma Intl
Tue 10/20
3:00 pm-5:45 pm
Nonstop2h 45m
$217
PhoenixSeattle
PHX - SEA
PHXSEA
Phoenix Sky Harbor Intl
Tue 8/18
2:30 pm-5:30 pm
Nonstop3h 00m
Seattle/Tacoma Intl
Tue 8/25
3:35 pm-8:10 pm
1 stop4h 35m
$227
PhoenixSeattle
PHX - SEA
PHXSEA
Phoenix Sky Harbor Intl
Tue 9/8
8:20 am-11:27 am
Nonstop3h 07m
Seattle/Tacoma Intl
Tue 9/15
8:41 am-2:33 pm
1 stop5h 52m
$230
PhoenixSeattle
PHX - SEA
PHXSEA
Phoenix Sky Harbor Intl
Wed 10/14
1:45 pm-9:01 pm
2 stops7h 16m
Seattle/Tacoma Intl
Tue 10/20
5:00 am-10:48 am
1 stop5h 48m
$232
Quickest round-trip
PhoenixSeattle
PHX - SEA
PHXSEA
Phoenix Sky Harbor Intl
Thu 9/10
11:31 am-2:39 pm
Nonstop3h 08m
Seattle/Tacoma Intl
Tue 9/15
2:45 pm-5:45 pm
Nonstop3h 00m
$232
PhoenixSeattle
PHX - SEA
PHXSEA
Phoenix Sky Harbor Intl
Thu 9/24
12:13 pm-6:52 pm
1 stop6h 39m
Seattle/Tacoma Intl
Sat 10/3
10:20 am-6:42 pm
1 stop8h 22m
$238
PhoenixSeattle
PHX - SEA
PHXSEA
Phoenix Sky Harbor Intl
Thu 8/13
7:11 am-4:58 pm
1 stop9h 47m
Seattle/Tacoma Intl
Mon 8/17
7:17 am-10:20 am
Nonstop3h 03m
$240
PhoenixSeattle
PHX - SEA
PHXSEA
Phoenix Sky Harbor Intl
Mon 8/17
6:53 pm-10:26 am
1 stop15h 33m
Seattle/Tacoma Intl
Sun 8/23
7:21 am-10:24 am
Nonstop3h 03m
$240
PhoenixSeattle
PHX - SEA
PHXSEA
Phoenix Sky Harbor Intl
Fri 9/11
3:15 pm-10:25 am
1 stop19h 10m
Seattle/Tacoma Intl
Mon 9/14
8:41 am-2:33 pm
1 stop5h 52m
$243
PhoenixSeattle
PHX - SEA
PHXSEA
Phoenix Sky Harbor Intl
Fri 8/28
3:55 pm-9:41 pm
1 stop5h 46m
Seattle/Tacoma Intl
Sat 9/5
3:30 pm-10:57 pm
2 stops7h 27m
$252
Showing 1-10 of 24 resultsSorted by cheapest first
- Most accurate provider: When it comes to deals on Phoenix-Seattle flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Phoenix-Seattle flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Phoenix-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Phoenix-Seattle flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Phoenix-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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
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 $131). Flying from Phoenix to Seattle in June is currently the most expensive (average of $287). 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 July 25, 2026.
It’s typically best to fly out from Phoenix to Seattle at noon. Doing so could potentially save you 29% 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 July 25, 2026.
The most flights from PH1 to SEA are scheduled on a Friday (48 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (29 on average).
How much does it cost to fly round-trip from Phoenix to Seattle?
Airfare is typical for this route at the moment.
Phoenix to Seattle flights typically cost between $206 and $322 in September.The cheapest round-trip price found within the last 5 days was $207 on Alaska Airlines (Sep 19-Sep 26).
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?
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 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 July 18, 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. Monday afternoons 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 July 25, 2026.
See what other customers who have flown with Southwest,Alaska Airlines, 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.
Overall
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
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
Renton
Lacey
Leavenworth
Olympia
Edmonds
Snoqualmie
Tumwater
Tukwila
Centralia
Puyallup
Kent
Ellensburg
Fife
Marysville
Ocean Shores
Lakewood
Lynnwood
Issaquah
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Alternative routes for Phoenix to Seattle
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Complete your trip
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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 July 25, 2026.
Popular flight searches
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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 July 25, 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 July 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$54 | Average$163 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$81 | Average$187 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$98 | Average$242 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$106 | Average$260 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$115 | Average$260 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$118 | Average$283 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$177 | Average$235 | FlexibilityNo cancel fee | On-time62% |