$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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SEA
May 25 — Jun 11
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 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 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 April 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 5/116:51 pm
PHX
- SEA
1 stop14h 58m
Frontier
Fri 5/157:50 pm
SEA
- PHX
1 stop20h 05m
Frontier
Deal found 4/22![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 4/20. 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.
Tue 5/127:40 pm
PHX
- SEA
1 stop22h 55m
Frontier
Tue 5/1911:06 am
SEA
- PHX
1 stop12h 36m
Frontier
Deal found 4/20![Frontier logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 4/20. 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.
Wed 5/207:40 pm
PHX
- SEA
1 stop22h 55m
Frontier
Wed 5/2711:21 am
SEA
- PHX
1 stop12h 21m
Frontier
Deal found 4/20![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 4/20. 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.
Fri 5/157:40 pm
PHX
- SEA
1 stop21h 57m
Frontier
Sun 5/2411:21 am
SEA
- PHX
1 stop12h 21m
Frontier
Deal found 4/20![Frontier logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 5/1310:27 pm
PHX
- SEA
1 stop11h 55m
Frontier
Mon 5/187:50 pm
SEA
- PHX
1 stop14h 15m
Frontier
Deal found 4/24![Frontier logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 4/20. 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.
Wed 5/274:29 pm
PHX
- SEA
1 stop17h 37m
Frontier
Tue 6/211:21 am
SEA
- PHX
1 stop12h 21m
Frontier
Deal found 4/20![Frontier logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
Wed 6/37:40 pm
PHX
- SEA
1 stop22h 55m
Frontier
Sat 6/611:21 am
SEA
- PHX
1 stop12h 21m
Frontier
Deal found 4/21![Frontier logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 4/23. 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.
Tue 5/124:29 pm
PHX
- SEA
1 stop17h 20m
Frontier
Fri 5/157:50 pm
SEA
- PHX
1 stop14h 15m
Frontier
Deal found 4/23![Frontier logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 5/187:40 pm
PHX
- SEA
1 stop22h 55m
Frontier
Tue 5/2611:21 am
SEA
- PHX
1 stop12h 21m
Frontier
Deal found 4/20![Frontier logo]()
$156
This Delta deal was found by Cheapflights users on 4/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/106:55 am
PHX
- SEA
Nonstop3h 10m
Delta
Tue 6/308:14 am
SEA
- PHX
Nonstop2h 58m
Delta
Deal found 4/21![Delta logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 4/20. 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.
Wed 5/207:40 pm
PHX
- SEA
1 stop22h 55m
Frontier
Tue 5/2611:21 am
SEA
- PHX
1 stop12h 21m
Frontier
Deal found 4/20![Frontier logo]()
$158
This Expedia deal was found by Cheapflights users on 4/23. 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.
Thu 5/147:40 am
PHX
- SEA
1 stop26h 42m
Frontier
Sun 5/177:50 pm
SEA
- PHX
1 stop11h 54m
Frontier
Deal found 4/23![Frontier logo]()
$160
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 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 April 25, 2026.
This Delta deal was found by Cheapflights users on 4/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/175:33 pm
PHX
- SEA
Nonstop3h 09m
Delta
Thu 6/258:35 pm
SEA
- PHX
Nonstop3h 01m
Delta
Deal found 4/22![Delta logo]()
$157
This Alaska Airlines deal was found by Cheapflights users on 4/20. 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.
Tue 8/256:00 am
PHX
- SEA
Nonstop3h 05m
Alaska Airlines
Tue 9/12:42 pm
SEA
- PHX
Nonstop3h 03m
Alaska Airlines
Deal found 4/20![Alaska Airlines logo]()
$267
This Southwest deal was found by Cheapflights users on 4/20. 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.
Thu 5/285:45 pm
PHX
- SEA
1 stop4h 50m
Southwest
Wed 6/39:20 am
SEA
- PHX
2 stops7h 10m
Southwest
Deal found 4/20![Southwest logo]()
$267
This Delta deal was found by Cheapflights users on 4/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1312:06 pm
PHX
- SEA
Nonstop3h 14m
Delta
Tue 7/2111:45 am
SEA
- PHX
Nonstop3h 14m
Delta
Deal found 4/22![Delta logo]()
$157
This Delta deal was found by Cheapflights users on 4/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/243:40 pm
PHX
- SEA
Nonstop3h 11m
Delta
Thu 9/35:40 pm
SEA
- PHX
Nonstop2h 57m
Delta
Deal found 4/23![Delta logo]()
$207
This Southwest deal was found by Cheapflights users on 4/20. 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.
Thu 7/210:45 pm
PHX
- SEA
Nonstop2h 55m
Southwest
Tue 7/74:35 pm
SEA
- PHX
1 stop5h 05m
Southwest
Deal found 4/20![Southwest logo]()
$277
This Delta deal was found by Cheapflights users on 4/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/212:45 pm
PHX
- SEA
Nonstop3h 09m
Delta
Sat 6/138:35 pm
SEA
- PHX
Nonstop3h 01m
Delta
Deal found 4/24![Delta logo]()
$242
This Southwest deal was found by Cheapflights users on 4/21. 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.
Mon 8/102:45 pm
PHX
- SEA
2 stops6h 30m
Southwest
Fri 8/149:10 am
SEA
- PHX
1 stop6h 50m
Southwest
Deal found 4/21![Southwest logo]()
$280
This Southwest deal was found by Cheapflights users on 4/24. 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.
Tue 6/169:45 pm
PHX
- SEA
Nonstop2h 55m
Southwest
Fri 6/196:30 am
SEA
- PHX
Nonstop2h 45m
Southwest
Deal found 4/24![Southwest logo]()
$287
This Southwest deal was found by Cheapflights users on 4/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1310:05 am
PHX
- SEA
1 stop6h 50m
Southwest
Tue 7/215:40 am
SEA
- PHX
2 stops5h 45m
Southwest
Deal found 4/22![Southwest logo]()
$292
This Southwest deal was found by Cheapflights users on 4/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/266:40 pm
PHX
- SEA
1 stop6h 10m
Southwest
Thu 7/26:25 am
SEA
- PHX
Nonstop2h 50m
Southwest
Deal found 4/22![Southwest logo]()
$292
This Southwest deal was found by Cheapflights users on 4/24. 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.
Tue 6/304:35 pm
PHX
- SEA
2 stops6h 35m
Southwest
Wed 7/85:40 am
SEA
- PHX
2 stops5h 45m
Southwest
Deal found 4/24![Southwest logo]()
$307
Last-minute flights from Phoenix to SeattleDiscover last-minute flight deals from Phoenix to Seattle. Data last updated April 25, 2026 and is based on user searches.
Discover last-minute flight deals from Phoenix to Seattle. Data last updated April 25, 2026 and is based on user searches.
This Super.com deal was found by Cheapflights users on 4/21. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:50 am
PHX
- SEA
1 stop26h 37m
Frontier
Tue 5/57:50 pm
SEA
- PHX
1 stop19h 33m
Frontier
Deal found 4/21![Frontier logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 4/20. 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.
Wed 4/2912:50 pm
PHX
- SEA
1 stop20h 37m
Frontier
Fri 5/14:20 pm
SEA
- PHX
1 stop7h 22m
Frontier
Deal found 4/20![Frontier logo]()
$244
This Expedia deal was found by Cheapflights users on 4/19. 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.
Thu 4/3012:50 pm
PHX
- SEA
1 stop21h 02m
Frontier
Mon 5/49:19 pm
SEA
- PHX
1 stop26h 05m
Frontier
Deal found 4/19![Frontier logo]()
$221
This Frontier deal was found by Cheapflights users on 4/20. 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.
Fri 5/19:24 pm
PHX
- SEA
1 stop12h 03m
Frontier
Mon 5/1111:37 am
SEA
- PHX
1 stop11h 47m
Frontier
Deal found 4/20![Frontier logo]()
$201
This Frontier deal was found by Cheapflights users on 4/20. 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.
Fri 5/19:24 pm
PHX
- SEA
1 stop12h 03m
Frontier
Sun 5/37:12 pm
SEA
- PHX
1 stop12h 24m
Frontier
Deal found 4/20![Frontier logo]()
$242
This Frontier deal was found by Cheapflights users on 4/22. 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.
Fri 5/19:24 pm
PHX
- SEA
1 stop12h 03m
Frontier
Mon 5/44:20 pm
SEA
- PHX
1 stop7h 22m
Frontier
Deal found 4/22![Frontier logo]()
$243
This Expedia deal was found by Cheapflights users on 4/22. 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.
Fri 5/19:24 pm
PHX
- SEA
1 stop12h 03m
Multiple Airlines
Mon 5/113:56 pm
SEA
- PHX
Nonstop3h 03m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$245
This Expedia deal was found by Cheapflights users on 4/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/29:52 am
PHX
- SEA
1 stop23h 35m
Multiple Airlines
Tue 5/128:04 am
SEA
- PHX
Nonstop3h 10m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$212
This Kiwi.com deal was found by Cheapflights users on 4/20. 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.
Sun 5/39:24 pm
PHX
- SEA
1 stop12h 03m
Frontier
Wed 5/1311:06 am
SEA
- PHX
1 stop12h 36m
Frontier
Deal found 4/20![Frontier logo]()
$217
This Expedia deal was found by Cheapflights users on 4/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/46:50 am
PHX
- SEA
1 stop26h 59m
Frontier
Thu 5/147:50 pm
SEA
- PHX
1 stop25h 20m
Frontier
Deal found 4/21![Frontier logo]()
$200
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 25, 2026.
Search for one-way flight options from Phoenix to Seattle. Find affordable one-way fares based on user searches. Data last updated April 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/22. 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.
Wed 6/37:40 pm
PHX
- SEA
1 stop22h 55m
Frontier
Deal found 4/22![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 6/811:26 am
PHX
- SEA
2 stops23h 09m
Frontier
Deal found 4/22![Frontier logo]()
$90
This Southwest deal was found by Cheapflights users on 4/20. 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.
Wed 9/93:35 pm
PHX
- SEA
1 stop4h 40m
Southwest
Deal found 4/20![Southwest logo]()
$91
This Southwest deal was found by Cheapflights users on 4/23. 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.
Wed 8/193:35 pm
PHX
- SEA
1 stop4h 40m
Southwest
Deal found 4/23![Southwest logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 5/297:40 pm
PHX
- SEA
1 stop22h 55m
Frontier
Deal found 4/22![Frontier logo]()
$93
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
Tue 6/94:53 pm
PHX
- SEA
2 stops25h 33m
Frontier
Deal found 4/21![Frontier logo]()
$95
This Southwest deal was found by Cheapflights users on 4/21. 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.
Tue 5/124:35 pm
PHX
- SEA
1 stop6h 20m
Southwest
Deal found 4/21![Southwest logo]()
$96
This Delta deal was found by Cheapflights users on 4/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:50 am
PHX
- SEA
Nonstop3h 10m
Delta
Deal found 4/23![Delta logo]()
$98
This Super.com deal was found by Cheapflights users on 4/22. 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 6/55:15 am
PHX
- SEA
1 stop8h 46m
Frontier
Deal found 4/22![Frontier logo]()
$99
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 25, 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 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 6/17
5:33 pm-8:42 pm
Nonstop3h 09m
Seattle/Tacoma Intl
Thu 6/25
8:35 pm-11:36 pm
Nonstop3h 01m
$157
PhoenixSeattle
PHX - SEA
PHXSEA
Phoenix Sky Harbor Intl
Mon 7/13
12:06 pm-3:20 pm
Nonstop3h 14m
Seattle/Tacoma Intl
Tue 7/21
11:45 am-2:59 pm
Nonstop3h 14m
$157
PhoenixSeattle
PHX - SEA
PHXSEA
Phoenix Sky Harbor Intl
Mon 8/24
3:40 pm-6:51 pm
Nonstop3h 11m
Seattle/Tacoma Intl
Thu 9/3
5:40 pm-8:37 pm
Nonstop2h 57m
$207
PhoenixSeattle
PHX - SEA
PHXSEA
Phoenix Sky Harbor Intl
Tue 6/2
12:45 pm-3:54 pm
Nonstop3h 09m
Seattle/Tacoma Intl
Sat 6/13
8:35 pm-11:36 pm
Nonstop3h 01m
$242
PhoenixSeattle
PHX - SEA
PHXSEA
Phoenix Sky Harbor Intl
Tue 8/25
6:00 am-9:05 am
Nonstop3h 05m
Seattle/Tacoma Intl
Tue 9/1
2:42 pm-5:45 pm
Nonstop3h 03m
$267
PhoenixSeattle
PHX - SEA
PHXSEA
Phoenix Sky Harbor Intl
Thu 5/28
5:45 pm-10:35 pm
1 stop4h 50m
Seattle/Tacoma Intl
Wed 6/3
9:20 am-4:30 pm
2 stops7h 10m
$267
PhoenixSeattle
PHX - SEA
PHXSEA
Phoenix Sky Harbor Intl
Thu 7/2
10:45 pm-1:40 am
Nonstop2h 55m
Seattle/Tacoma Intl
Tue 7/7
4:35 pm-9:40 pm
1 stop5h 05m
$277
PhoenixSeattle
PHX - SEA
PHXSEA
Phoenix Sky Harbor Intl
Mon 8/10
2:45 pm-9:15 pm
2 stops6h 30m
Seattle/Tacoma Intl
Fri 8/14
9:10 am-4:00 pm
1 stop6h 50m
$280
Quickest round-trip
PhoenixSeattle
PHX - SEA
PHXSEA
Phoenix Sky Harbor Intl
Tue 6/16
9:45 pm-12:40 am
Nonstop2h 55m
Seattle/Tacoma Intl
Fri 6/19
6:30 am-9:15 am
Nonstop2h 45m
$287
PhoenixSeattle
PHX - SEA
PHXSEA
Phoenix Sky Harbor Intl
Mon 7/13
10:05 am-4:55 pm
1 stop6h 50m
Seattle/Tacoma Intl
Tue 7/21
5:40 am-11:25 am
2 stops5h 45m
$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?
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 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 25, 2026.
It’s typically best to fly out from Phoenix to Seattle at noon. Doing so could potentially save you 32% 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 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. 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 25, 2026.
The most flights from PH1 to SEA are scheduled on a Wednesday (40 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (23 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 25, 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.
Overall
7.9
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Crew
8.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Overall
7.9
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Crew
8.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Overall
7.9
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Crew
8.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Overall
7.9
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Crew
8.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Overall
7.9
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Crew
8.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Overall
7.9
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Crew
8.5
Food
7.0
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
Edmonds
Leavenworth
Snoqualmie
Kent
Tumwater
Tukwila
Puyallup
Renton
Kirkland
Ellensburg
Fife
Lakewood
Issaquah
Shoreline
Browse thousands of different options on Cheapflights for your next trip
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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 April 25, 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 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 April 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$54 | Average$150 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$83 | Average$190 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$97 | Average$220 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$97 | Average$204 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$97 | Average$235 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$97 | Average$227 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$117 | Average$271 | FlexibilityNo cancel fee | On-time71% |