$100+ Cheap flights from Phoenix to Seattle (SEA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SEA
Oct 5 — Oct 121
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
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 September 5, 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 September 5, 2026.
This FlightHub deal was found by Cheapflights users on 9/3. 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 10/18:27 am -
1 stop25h 15m
Sun 10/49:45 pm -
1 stop14h 37m
Deal found 9/3![Frontier logo]()
$199
This Expedia deal was found by Cheapflights users on 9/2. 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 9/268:56 pm -
1 stop18h 12m
Wed 9/307:25 pm -
1 stop26h 59m
Deal found 9/2![Frontier logo]()
$200
This Expedia deal was found by Cheapflights users on 9/4. 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.
Sun 9/207:24 pm -
1 stop14h 18m
Sun 10/49:45 pm -
1 stop25h 02m
Deal found 9/4![Frontier logo]()
$201
This Alaska Airlines deal was found by Cheapflights users on 9/4. 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 10/256:02 am -
Nonstop3h 10m
Sun 11/17:37 am -
Nonstop3h 03m
Deal found 9/4![Alaska Airlines logo]()
$202
This FlightHub deal was found by Cheapflights users on 9/2. 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 10/88:16 am -
1 stop25h 32m
Fri 10/168:00 pm -
1 stop26h 13m
Deal found 9/2![Frontier logo]()
$203
This Justfly.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:23 pm -
1 stop16h 19m
Tue 9/298:15 pm -
1 stop18h 01m
Deal found 9/2![Frontier logo]()
$204
This Expedia deal was found by Cheapflights users on 9/2. 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 10/78:39 pm -
1 stop12h 19m
Mon 10/129:16 pm -
1 stop15h 01m
Deal found 9/2![Frontier logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 9/169:15 am -
1 stop5h 53m
Tue 9/228:15 pm -
1 stop18h 01m
Deal found 9/2![Frontier logo]()
$206
This Expedia deal was found by Cheapflights users on 9/2. 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 10/94:23 pm -
1 stop26h 22m
Sun 10/119:16 pm -
1 stop26h 02m
Deal found 9/2![Frontier logo]()
$207
This Expedia deal was found by Cheapflights users on 9/3. 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 10/94:23 pm -
1 stop26h 22m
Wed 10/148:00 pm -
1 stop20h 17m
Deal found 9/3![Frontier logo]()
$208
This Justfly.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/88:16 am -
1 stop25h 32m
Mon 10/129:16 pm -
1 stop22h 59m
Deal found 9/2![Frontier logo]()
$209
This Justfly.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:25 am -
1 stop8h 43m
Sun 10/119:16 pm -
1 stop26h 02m
Deal found 9/2![Frontier logo]()
$210
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 September 5, 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 September 5, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/1. 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 10/69:05 am -
1 stop7h 51m
Tue 10/66:54 pm -
Nonstop2h 54m
Deal found 9/1![Alaska Airlines logo]()
$221
This Southwest deal was found by Cheapflights users on 9/4. 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 10/34:55 pm -
1 stop5h 25m
Sat 10/109:45 am -
1 stop6h 05m
Deal found 9/4![Southwest logo]()
$237
This Delta deal was found by Cheapflights users on 9/1. 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 10/103:59 pm -
Nonstop3h 11m
Wed 10/148:15 pm -
Nonstop3h 03m
Deal found 9/1![Delta logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 8/31. 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 10/179:05 am -
1 stop22h 15m
Sun 10/189:40 am -
Nonstop3h 05m
Deal found 8/31![Alaska Airlines logo]()
$247
This Delta deal was found by Cheapflights users on 9/1. 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 10/68:00 am -
Nonstop3h 20m
Sat 10/106:20 pm -
Nonstop2h 55m
Deal found 9/1![Delta logo]()
$257
This Southwest deal was found by Cheapflights users on 8/31. 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 9/239:00 am -
Nonstop3h 05m
Mon 9/288:25 pm -
Nonstop3h 00m
Deal found 8/31![Southwest logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 9/1. 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 10/246:02 am -
Nonstop3h 10m
Wed 10/2811:31 am -
1 stop9h 10m
Deal found 9/1![Alaska Airlines logo]()
$260
This Southwest deal was found by Cheapflights users on 9/4. 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 10/910:30 pm -
Nonstop3h 10m
Sun 10/115:15 am -
Nonstop2h 45m
Deal found 9/4![Southwest logo]()
$262
This Delta deal was found by Cheapflights users on 9/4. 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 9/233:59 pm -
Nonstop3h 06m
Sat 10/37:59 am -
Nonstop3h 03m
Deal found 9/4![Delta logo]()
$267
This Alaska Airlines deal was found by Cheapflights users on 9/2. 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 10/32:41 pm -
Nonstop3h 10m
Sun 10/116:54 pm -
Nonstop2h 54m
Deal found 9/2![Alaska Airlines logo]()
$267
This Delta deal was found by Cheapflights users on 9/3. 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 10/88:00 am -
Nonstop3h 20m
Fri 10/1612:00 pm -
Nonstop3h 04m
Deal found 9/3![Delta logo]()
$267
This Delta deal was found by Cheapflights users on 9/2. 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.
Sun 11/17:35 am -
Nonstop3h 20m
Wed 11/411:45 am -
Nonstop3h 02m
Deal found 9/2![Delta logo]()
$267
Last-minute flights from Phoenix to SeattleDiscover last-minute flight deals from Phoenix to Seattle. Data last updated September 5, 2026 and is based on user searches.
Discover last-minute flight deals from Phoenix to Seattle. Data last updated September 5, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 9/169:15 am -
1 stop5h 53m
Tue 9/228:15 pm -
1 stop18h 01m
Deal found 9/2![Frontier logo]()
$206
This Expedia deal was found by Cheapflights users on 9/4. 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.
Sun 9/207:24 pm -
1 stop14h 18m
Sun 10/49:45 pm -
1 stop25h 02m
Deal found 9/4![Frontier logo]()
$201
This Justfly.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:23 pm -
1 stop16h 19m
Tue 9/298:15 pm -
1 stop18h 01m
Deal found 9/2![Frontier logo]()
$204
This Expedia deal was found by Cheapflights users on 9/2. 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 9/268:56 pm -
1 stop18h 12m
Wed 9/307:25 pm -
1 stop26h 59m
Deal found 9/2![Frontier logo]()
$200
This FlightHub deal was found by Cheapflights users on 9/3. 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 10/18:27 am -
1 stop25h 15m
Sun 10/49:45 pm -
1 stop14h 37m
Deal found 9/3![Frontier logo]()
$199
This Justfly.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:25 am -
1 stop8h 43m
Sun 10/119:16 pm -
1 stop26h 02m
Deal found 9/2![Frontier logo]()
$210
This Expedia deal was found by Cheapflights users on 9/2. 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 10/78:39 pm -
1 stop12h 19m
Mon 10/129:16 pm -
1 stop15h 01m
Deal found 9/2![Frontier logo]()
$205
This FlightHub deal was found by Cheapflights users on 9/2. 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 10/88:16 am -
1 stop25h 32m
Fri 10/168:00 pm -
1 stop26h 13m
Deal found 9/2![Frontier logo]()
$203
This Justfly.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/88:16 am -
1 stop25h 32m
Mon 10/129:16 pm -
1 stop22h 59m
Deal found 9/2![Frontier logo]()
$209
This Expedia deal was found by Cheapflights users on 9/2. 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 10/94:23 pm -
1 stop26h 22m
Sun 10/119:16 pm -
1 stop26h 02m
Deal found 9/2![Frontier logo]()
$207
This Expedia deal was found by Cheapflights users on 9/3. 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 10/94:23 pm -
1 stop26h 22m
Wed 10/148:00 pm -
1 stop20h 17m
Deal found 9/3![Frontier logo]()
$208
This Alaska Airlines deal was found by Cheapflights users on 9/4. 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 10/256:02 am -
Nonstop3h 10m
Mon 11/27:37 am -
Nonstop3h 03m
Deal found 9/4![Alaska Airlines logo]()
$202
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 September 5, 2026.
Search for one-way flight options from Phoenix to Seattle. Find affordable one-way fares based on user searches. Data last updated September 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 10/54:18 pm -
1 stop26h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$100
This Super.com deal was found by Cheapflights users on 9/4. 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.
Mon 10/128:51 pm -
1 stop18h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 10/149:20 pm -
2 stops21h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$102
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 10/24:18 pm -
1 stop26h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Frontier logo]()
$103
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 11/65:32 pm -
1 stop26h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Frontier logo]()
$105
This Priceline deal was found by Cheapflights users on 9/2. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1412:26 pm -
1 stop7h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$106
This Super.com deal was found by Cheapflights users on 9/1. 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.
Thu 11/512:26 pm -
1 stop7h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Frontier logo]()
$107
This Mytrip deal was found by Cheapflights users on 9/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/78:39 pm -
1 stop12h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$108
This deal was found by Cheapflights users on 9/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/210:59 am -
1 stop6h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$109
This CheapOair deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/229:15 am -
1 stop5h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 10/219:20 pm -
2 stops22h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$112
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 September 5, 2026.
Most accurate provider | Expedia 1 star |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $199 (FlightHub) |
One-way from | $100 (Kiwi.com) |
Popular in | July |
Cheapest in | January |
Average price | $257 |
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 7,457,451 searches. Data last updated September 5, 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
Quickest round-trip
PhoenixSeattle
PHX Phoenix Sky Harbor Intl - SEA Seattle/Tacoma Intl
PHXSEA
Phoenix Sky Harbor Intl
Wed 9/23
2:30 pm-5:30 pm
Nonstop3h 00m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$129
PhoenixSeattle
PHX Phoenix Sky Harbor Intl - SEA Seattle/Tacoma Intl
PHXSEA
Phoenix Sky Harbor Intl
Thu 2/18
4:40 pm-6:53 pm
Nonstop3h 13m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$129
PhoenixSeattle
PHX Phoenix Sky Harbor Intl - SEA Seattle/Tacoma Intl
PHXSEA
Phoenix Sky Harbor Intl
Thu 10/1
6:55 am-10:05 am
Nonstop3h 10m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$129
PhoenixSeattle
PHX Phoenix Sky Harbor Intl - SEA Seattle/Tacoma Intl
PHXSEA
Phoenix Sky Harbor Intl
Wed 10/21
10:46 am-6:44 pm
1 stop7h 58m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$139
PhoenixSeattle
PHX Phoenix Sky Harbor Intl - SEA Seattle/Tacoma Intl
PHXSEA
Phoenix Sky Harbor Intl
Tue 2/16
8:55 am-1:40 pm
1 stop5h 45m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$139
PhoenixSeattle
PHX Phoenix Sky Harbor Intl - SEA Seattle/Tacoma Intl
PHXSEA
Phoenix Sky Harbor Intl
Mon 9/21
6:10 pm-12:25 am
1 stop6h 15m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$139
PhoenixSeattle
PHX Phoenix Sky Harbor Intl - SEA Seattle/Tacoma Intl
PHXSEA
Phoenix Sky Harbor Intl
Sun 10/4
3:59 pm-7:05 pm
Nonstop3h 06m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$139
PhoenixSeattle
PHX Phoenix Sky Harbor Intl - SEA Seattle/Tacoma Intl
PHXSEA
Phoenix Sky Harbor Intl
Thu 10/1
8:15 am-3:20 pm
2 stops7h 05m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$144
PhoenixSeattle
PHX Phoenix Sky Harbor Intl - SEA Seattle/Tacoma Intl
PHXSEA
Phoenix Sky Harbor Intl
Sat 12/5
2:00 pm-8:10 pm
2 stops7h 10m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$144
PhoenixSeattle
PHX Phoenix Sky Harbor Intl - SEA Seattle/Tacoma Intl
PHXSEA
Phoenix Sky Harbor Intl
Sun 10/25
8:00 am-11:20 am
Nonstop3h 20m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$149
Showing 1-10 of 23 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 $130). Flying from Phoenix to Seattle in July is currently the most expensive (average of $301). 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 September 5, 2026.
It’s typically best to fly out from Phoenix to Seattle at noon. Doing so could potentially save you 23% 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 September 5, 2026.
The most flights from PH1 to SEA are scheduled on a Thursday (47 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (8 on average).
How much does it cost to fly round-trip from Phoenix to Seattle?
Airfare is below average for this route at the moment.
Phoenix to Seattle flights typically cost between $214 and $328 in October.The cheapest round-trip price found within the last 5 days was $199 on Frontier (Oct 1-Oct 4).
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 143 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 August 29, 2026.
Travelers seeking maximum savings on their Phoenix to Seattle flight should consider departing on Saturday evenings 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 September 5, 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.
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
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
Renton
Tacoma
Lacey
Leavenworth
Olympia
Tukwila
Edmonds
Snoqualmie
Puyallup
Lynnwood
Centralia
Kent
Tumwater
Ellensburg
Issaquah
Marysville
Ocean Shores
Lakewood
Fife
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Complete your trip
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Search flights from Phoenix to Seattle by cabin class
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Phoenix and Seattle flights
Browse other Phoenix and Seattle flight options. Last updated on September 5, 2026.
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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 September 5, 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 7,457,451 searches. Data last updated September 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$54 | Average$162 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$99 | Average$252 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$106 | Average$267 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$114 | Average$250 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$117 | Average$272 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$120 | Average$285 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$177 | Average$249 | FlexibilityNo cancel fee | On-time62% |