$55+ Cheap flights from Seattle (SEA) to Sky Harbor Intl (PHX)
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.
SEA — PHX
May 17 — May 241
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Sky Harbor Intl 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 Seattle/Tacoma Intl to Phoenix Sky Harbor Intl are usually found in July or August, booked 72 days in advance, depart on a Saturday or Wednesday and return on a Friday
Cheap flight deals from Seattle to Sky Harbor Intl
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Best
Last-minute
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Cheapest flights from Seattle to Sky Harbor IntlExplore the most affordable flight options available from Seattle to Sky Harbor Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2026.
Explore the most affordable flight options available from Seattle to Sky Harbor Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/12. 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 5/49:19 pm
SEA
- PHX
1 stop14h 04m
Frontier
Tue 5/124:29 pm
PHX
- SEA
1 stop17h 20m
Frontier
Deal found 4/12![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1111:37 am
SEA
- PHX
1 stop11h 47m
Frontier
Mon 5/187:40 pm
PHX
- SEA
1 stop22h 55m
Frontier
Deal found 4/14![Frontier logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 4/12. 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 5/1811:06 am
SEA
- PHX
1 stop12h 36m
Frontier
Tue 5/267:40 pm
PHX
- SEA
1 stop22h 55m
Frontier
Deal found 4/12![Frontier logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/611:06 am
SEA
- PHX
1 stop12h 36m
Frontier
Fri 5/84:17 pm
PHX
- SEA
1 stop17h 32m
Frontier
Deal found 4/16![Frontier logo]()
$155
This Frontier deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/511:06 am
SEA
- PHX
1 stop11h 49m
Frontier
Wed 5/610:27 pm
PHX
- SEA
1 stop11h 55m
Frontier
Deal found 4/13![Frontier logo]()
$160
This Booking.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/44:20 pm
SEA
- PHX
1 stop23h 03m
Frontier
Tue 5/56:54 pm
PHX
- SEA
1 stop23h 41m
Frontier
Deal found 4/13![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/711:06 am
SEA
- PHX
1 stop12h 36m
Frontier
Tue 5/127:40 pm
PHX
- SEA
1 stop22h 55m
Frontier
Deal found 4/15![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 4/12. 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 5/1811:06 am
SEA
- PHX
1 stop12h 36m
Frontier
Wed 5/277:40 pm
PHX
- SEA
1 stop22h 55m
Frontier
Deal found 4/12![Frontier logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2910:57 am
SEA
- PHX
1 stop6h 23m
Frontier
Wed 5/610:27 pm
PHX
- SEA
1 stop11h 55m
Frontier
Deal found 4/13![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/283:19 pm
SEA
- PHX
1 stop8h 10m
Frontier
Tue 6/27:40 pm
PHX
- SEA
1 stop22h 55m
Frontier
Deal found 4/15![Frontier logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2910:57 am
SEA
- PHX
1 stop6h 23m
Frontier
Mon 5/48:28 pm
PHX
- SEA
1 stop22h 07m
Frontier
Deal found 4/13![Frontier logo]()
$171
This Expedia deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:12 pm
SEA
- PHX
1 stop12h 49m
Frontier
Thu 5/74:17 pm
PHX
- SEA
1 stop17h 32m
Frontier
Deal found 4/14![Frontier logo]()
$172
Best flights from Seattle to Sky Harbor IntlDiscover carefully curated flight deals from Seattle to Sky Harbor Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 17, 2026.
Discover carefully curated flight deals from Seattle to Sky Harbor Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 17, 2026.
This Delta deal was found by Cheapflights users on 4/12. 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 5/128:13 pm
SEA
- PHX
Nonstop3h 05m
Delta
Thu 5/145:35 pm
PHX
- SEA
Nonstop3h 15m
Delta
Deal found 4/12![Delta logo]()
$217
This Alaska Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1112:47 pm
SEA
- PHX
Nonstop3h 04m
Alaska Airlines
Fri 5/157:56 pm
PHX
- SEA
Nonstop3h 13m
Alaska Airlines
Deal found 4/13![Alaska Airlines logo]()
$237
This Southwest deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/265:35 pm
SEA
- PHX
1 stop6h 10m
Southwest
Sun 6/287:05 pm
PHX
- SEA
1 stop6h 05m
Southwest
Deal found 4/16![Southwest logo]()
$287
This Delta deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/138:13 pm
SEA
- PHX
Nonstop3h 05m
Delta
Wed 5/2012:45 pm
PHX
- SEA
Nonstop3h 10m
Delta
Deal found 4/14![Delta logo]()
$217
This Delta deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/298:13 pm
SEA
- PHX
Nonstop3h 05m
Delta
Wed 6/33:55 pm
PHX
- SEA
Nonstop3h 09m
Delta
Deal found 4/14![Delta logo]()
$227
This Alaska Airlines deal was found by Cheapflights users on 4/12. 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 5/58:58 pm
SEA
- PHX
Nonstop3h 01m
Alaska Airlines
Tue 5/123:43 pm
PHX
- SEA
1 stop7h 10m
Alaska Airlines
Deal found 4/12![Alaska Airlines logo]()
$254
This Alaska Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/239:03 pm
SEA
- PHX
Nonstop2h 56m
Alaska Airlines
Mon 6/14:23 pm
PHX
- SEA
1 stop6h 55m
Alaska Airlines
Deal found 4/16![Alaska Airlines logo]()
$282
This Delta deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/31:40 pm
SEA
- PHX
Nonstop2h 54m
Delta
Sat 10/103:40 pm
PHX
- SEA
Nonstop3h 13m
Delta
Deal found 4/14![Delta logo]()
$267
This Alaska Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/49:03 pm
SEA
- PHX
Nonstop2h 56m
Alaska Airlines
Mon 6/84:23 pm
PHX
- SEA
1 stop6h 55m
Alaska Airlines
Deal found 4/16![Alaska Airlines logo]()
$292
This Delta deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/48:25 am
SEA
- PHX
Nonstop2h 57m
Delta
Mon 9/76:00 am
PHX
- SEA
Nonstop3h 13m
Delta
Deal found 4/15![Delta logo]()
$267
This Delta deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/188:35 pm
SEA
- PHX
Nonstop3h 01m
Delta
Sun 6/2112:07 pm
PHX
- SEA
Nonstop3h 13m
Delta
Deal found 4/14![Delta logo]()
$267
Last-minute flights from Seattle to Sky Harbor IntlDiscover last-minute flight deals from Seattle to Sky Harbor Intl. Data last updated April 17, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Sky Harbor Intl. Data last updated April 17, 2026 and is based on user searches.
This Super.com deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2210:57 am
SEA
- PHX
1 stop6h 23m
Frontier
Wed 4/296:51 pm
PHX
- SEA
1 stop14h 36m
Frontier
Deal found 4/15![Frontier logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 4/12. 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 4/2210:57 am
SEA
- PHX
1 stop6h 23m
Frontier
Tue 4/286:51 pm
PHX
- SEA
1 stop14h 36m
Frontier
Deal found 4/12![Frontier logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/234:20 pm
SEA
- PHX
1 stop7h 22m
Frontier
Tue 5/56:54 pm
PHX
- SEA
1 stop23h 41m
Frontier
Deal found 4/16![Frontier logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:12 pm
SEA
- PHX
1 stop12h 24m
Frontier
Fri 5/16:00 am
PHX
- SEA
1 stop11h 52m
Frontier
Deal found 4/16![Frontier logo]()
$234
This CheapOair deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2410:11 pm
SEA
- PHX
1 stop24h 07m
Frontier
Thu 5/77:40 pm
PHX
- SEA
1 stop22h 55m
Frontier
Deal found 4/14![Frontier logo]()
$212
This Orbitz deal was found by Cheapflights users on 4/12. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:12 pm
SEA
- PHX
1 stop22h 35m
Frontier
Mon 4/279:24 pm
PHX
- SEA
1 stop12h 03m
Frontier
Deal found 4/12![Frontier logo]()
$223
This CheapOair deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2410:11 pm
SEA
- PHX
1 stop13h 39m
Frontier
Wed 4/2912:50 pm
PHX
- SEA
1 stop20h 37m
Frontier
Deal found 4/13![Frontier logo]()
$232
This Expedia deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2510:57 am
SEA
- PHX
1 stop10h 19m
Frontier
Wed 5/67:40 pm
PHX
- SEA
1 stop22h 55m
Frontier
Deal found 4/14![Frontier logo]()
$201
This Frontier deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2510:57 am
SEA
- PHX
1 stop10h 19m
Frontier
Sun 5/39:24 pm
PHX
- SEA
1 stop12h 03m
Frontier
Deal found 4/13![Frontier logo]()
$221
This CheapOair deal was found by Cheapflights users on 4/12. 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.
Sun 4/267:12 pm
SEA
- PHX
1 stop12h 24m
Frontier
Wed 4/296:51 pm
PHX
- SEA
1 stop14h 36m
Frontier
Deal found 4/12![Frontier logo]()
$211
This Expedia deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/277:12 pm
SEA
- PHX
1 stop16h 33m
Frontier
Thu 4/309:24 pm
PHX
- SEA
1 stop12h 28m
Frontier
Deal found 4/13![Frontier logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/277:12 pm
SEA
- PHX
1 stop16h 33m
Frontier
Fri 5/18:52 am
PHX
- SEA
1 stop6h 13m
Frontier
Deal found 4/13![Frontier logo]()
$222
One-way flights from Seattle to Sky Harbor IntlSearch for one-way flight options from Seattle to Sky Harbor Intl. Find affordable one-way fares based on user searches. Data last updated April 17, 2026.
Search for one-way flight options from Seattle to Sky Harbor Intl. Find affordable one-way fares based on user searches. Data last updated April 17, 2026.
This Trip.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/311:21 am
SEA
- PHX
1 stop12h 21m
Frontier
Deal found 4/14![Frontier logo]()
$55
This Kiwi.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1211:06 am
SEA
- PHX
1 stop12h 36m
Frontier
Deal found 4/14![Frontier logo]()
$59
This Trip.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/88:20 pm
SEA
- PHX
1 stop26h 40m
Frontier
Deal found 4/16![Frontier logo]()
$60
This Kiwi.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1111:37 am
SEA
- PHX
1 stop23h 46m
Frontier
Deal found 4/14![Frontier logo]()
$63
This Kiwi.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1711:37 am
SEA
- PHX
1 stop21h 10m
Frontier
Deal found 4/14![Frontier logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/2411:21 am
SEA
- PHX
1 stop12h 21m
Frontier
Deal found 4/14![Frontier logo]()
$67
This Kiwi.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/78:20 pm
SEA
- PHX
1 stop27h 04m
Frontier
Deal found 4/14![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1311:06 am
SEA
- PHX
1 stop12h 36m
Frontier
Deal found 4/14![Frontier logo]()
$76
Find flight deals from Seattle to Sky Harbor Intl
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Sky Harbor Intl (PHX). 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 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $140 (Kiwi.com) |
One-way from | $55 (Trip.com) |
Popular in | April |
Cheapest in | July |
Average price | $287 |
Good round-trip deal | $226 or less |
Good one-way deal | $133 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Sky Harbor Intl 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 17, 2026.
Use the filters below to find and compare flights from Seattle to Phoenix Sky Harbor Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattlePhoenix
SEA - PHX
SEAPHX
Seattle/Tacoma Intl
Tue 5/12
8:13 pm-11:18 pm
Nonstop3h 05m
Phoenix Sky Harbor Intl
Thu 5/14
5:35 pm-8:50 pm
Nonstop3h 15m
$217
SeattlePhoenix
SEA - PHX
SEAPHX
Seattle/Tacoma Intl
Wed 5/13
8:13 pm-11:18 pm
Nonstop3h 05m
Phoenix Sky Harbor Intl
Wed 5/20
12:45 pm-3:55 pm
Nonstop3h 10m
$217
SeattlePhoenix
SEA - PHX
SEAPHX
Seattle/Tacoma Intl
Fri 5/29
8:13 pm-11:18 pm
Nonstop3h 05m
Phoenix Sky Harbor Intl
Wed 6/3
3:55 pm-7:04 pm
Nonstop3h 09m
$227
SeattlePhoenix
SEA - PHX
SEAPHX
Seattle/Tacoma Intl
Mon 5/11
12:47 pm-3:51 pm
Nonstop3h 04m
Phoenix Sky Harbor Intl
Fri 5/15
7:56 pm-11:09 pm
Nonstop3h 13m
$237
SeattlePhoenix
SEA - PHX
SEAPHX
Seattle/Tacoma Intl
Tue 5/5
8:58 pm-11:59 pm
Nonstop3h 01m
Phoenix Sky Harbor Intl
Tue 5/12
3:43 pm-10:53 pm
1 stop7h 10m
$254
Quickest round-trip
SeattlePhoenix
SEA - PHX
SEAPHX
Seattle/Tacoma Intl
Sat 10/3
1:40 pm-4:34 pm
Nonstop2h 54m
Phoenix Sky Harbor Intl
Sat 10/10
3:40 pm-6:53 pm
Nonstop3h 13m
$267
SeattlePhoenix
SEA - PHX
SEAPHX
Seattle/Tacoma Intl
Fri 9/4
8:25 am-11:22 am
Nonstop2h 57m
Phoenix Sky Harbor Intl
Mon 9/7
6:00 am-9:13 am
Nonstop3h 13m
$267
SeattlePhoenix
SEA - PHX
SEAPHX
Seattle/Tacoma Intl
Thu 6/18
8:35 pm-11:36 pm
Nonstop3h 01m
Phoenix Sky Harbor Intl
Sun 6/21
12:07 pm-3:20 pm
Nonstop3h 13m
$267
SeattlePhoenix
SEA - PHX
SEAPHX
Seattle/Tacoma Intl
Sat 5/23
9:03 pm-11:59 pm
Nonstop2h 56m
Phoenix Sky Harbor Intl
Mon 6/1
4:23 pm-11:18 pm
1 stop6h 55m
$282
SeattlePhoenix
SEA - PHX
SEAPHX
Seattle/Tacoma Intl
Fri 6/26
5:35 pm-11:45 pm
1 stop6h 10m
Phoenix Sky Harbor Intl
Sun 6/28
7:05 pm-1:10 am
1 stop6h 05m
$287
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Seattle to Sky Harbor Intl
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Sky Harbor Intl in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Seattle-Phoenix Sky Harbor Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Phoenix Sky Harbor Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Phoenix Sky Harbor Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Phoenix Sky Harbor Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub 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 Seattle-Phoenix Sky Harbor Intl Airport 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 Seattle to Sky Harbor Intl
Have a flexible travel schedule? Discover the best time to fly to Sky Harbor Intl from Seattle with our price prediction graph.
SEA-PHX
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 Seattle to Phoenix Sky Harbor Intl Airport
Prices
Airlines
Delays
How far ahead should I book a flight from Seattle to Phoenix Sky Harbor Intl Airport?
Use this chart to determine the optimal time to book a round-trip flight from Seattle to Sky Harbor Intl. Price data was last updated on April 10, 2026.
The best time to book flights from Seattle to Phoenix Sky Harbor Intl Airport is 45 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 Seattle to Phoenix Sky Harbor Intl Airport?
Currently, July is the cheapest month in which you can book a flight from Seattle to Phoenix Sky Harbor Intl Airport (average of $178). Flying from Seattle to Phoenix Sky Harbor Intl Airport in April 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 SEA to PHX?
Find hourly flight availability from Seattle to Sky Harbor Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 17, 2026.
One of the essential ways to save on airfare from Seattle to Phoenix Sky Harbor Intl Airport is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 21% on airfare.
What is the cheapest day to fly from Seattle to Phoenix Sky Harbor Intl Airport?
Use this chart to determine the cheapest time to fly round-trip from Seattle to Sky Harbor Intl. Price data was last updated on April 11, 2026.
Travelers seeking maximum savings on their Seattle to Phoenix Sky Harbor Intl Airport flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
How often are flights from Seattle to Phoenix delayed?
About 16% of weekly flights between Seattle and Phoenix have experienced delays in the past year, with the average delay time being 128 minutes.
What is the most punctual flight time for Seattle to Phoenix flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening 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 Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Seattle to Phoenix flights?
Over the last year, Delta have had the lowest number of delays on this route, with just 11% of flights being delayed.
The best insider tips for Seattle to Phoenix Sky Harbor Intl Airport flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Seattle to Phoenix Sky Harbor Intl Airport trip
Our travel experts
Reviews of airlines servicing Sky Harbor Intl
Get insights into the airlines that provide service to Sky Harbor Intl. 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 Sky Harbor Intl. Reviews last updated April 17, 2026.
Read reviews from past customers who have flown Southwest,Alaska Airlines, andDelta from Seattle to Phoenix Sky Harbor Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from Seattle to Sky Harbor Intl. 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 Phoenix Sky Harbor Intl Airport?
Book flights to Phoenix Sky Harbor Intl Airport if you plan to visit one of these locationsGoodyear
Glendale
Paradise Valley
Casa Grande
Payson
Peoria
Chandler
Buckeye
Camp Verde
Globe
Surprise
Guadalupe
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Seattle and Sky Harbor Intl flights
Browse other Seattle and Sky Harbor Intl flight options. Last updated on April 17, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on April 17, 2026.
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Other flights to Sky Harbor Intl
Explore flights to Sky Harbor Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 17, 2026.
Top 8 airlines flying from Seattle to Sky Harbor Intl
Discover the top 8 airlines that operate flights from Seattle to Sky Harbor Intl. 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 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$53 | Average$163 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$67 | Average$190 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$69 | Average$202 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$108 | Average$267 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$117 | Average$278 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$155 | Average$344 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$191 | Average$315 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$198 | Average$331 | FlexibilityNo cancel fee | On-time69% |