$117+ 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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — PHX
Aug 22 — Aug 291
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 January or September, booked 72 days in advance, depart on a Saturday or Friday and return on a Friday
Cheap flight deals from Seattle to Sky Harbor Intl
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Best
Last-minute
One-way
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 July 23, 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 July 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:00 am
SEA
- PHX
1 stop7h 35m
Frontier
Mon 9/1410:55 pm
PHX
- SEA
1 stop11h 05m
Frontier
Deal found 7/21![Frontier logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/88:53 pm
SEA
- PHX
1 stop13h 56m
Frontier
Sun 9/133:40 pm
PHX
- SEA
1 stop8h 47m
Frontier
Deal found 7/22![Frontier logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/32:37 pm
SEA
- PHX
1 stop6h 51m
Frontier
Wed 9/910:55 pm
PHX
- SEA
1 stop11h 05m
Frontier
Deal found 7/21![Frontier logo]()
$191
This Alaska Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:27 am
SEA
- PHX
Nonstop3h 05m
Alaska Airlines
Wed 10/1412:45 pm
PHX
- SEA
Nonstop3h 10m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$192
This Trip.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1311:59 am
SEA
- PHX
Nonstop3h 11m
Alaska Airlines
Tue 10/208:02 am
PHX
- SEA
Nonstop3h 12m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$195
This Trip.com deal was found by Cheapflights users on 7/18. 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 9/21:42 pm
SEA
- PHX
Nonstop3h 00m
Alaska Airlines
Wed 9/98:20 am
PHX
- SEA
Nonstop3h 07m
Alaska Airlines
Deal found 7/18![Alaska Airlines logo]()
$196
This Alaska Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:54 pm
SEA
- PHX
Nonstop2h 57m
Alaska Airlines
Sat 10/2412:45 pm
PHX
- SEA
Nonstop3h 10m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1111:06 am
SEA
- PHX
1 stop10h 13m
Frontier
Mon 9/147:05 am
PHX
- SEA
1 stop10h 40m
Frontier
Deal found 7/18![Frontier logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:34 am
SEA
- PHX
1 stop7h 18m
Frontier
Thu 9/1010:55 pm
PHX
- SEA
1 stop18h 50m
Frontier
Deal found 7/18![Frontier logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/249:29 pm
SEA
- PHX
1 stop15h 30m
Frontier
Sat 8/296:57 pm
PHX
- SEA
1 stop14h 22m
Frontier
Deal found 7/19![Frontier logo]()
$200
This Southwest deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/44:40 pm
SEA
- PHX
1 stop4h 50m
Southwest
Wed 11/114:50 pm
PHX
- SEA
Nonstop3h 10m
Southwest
Deal found 7/19![Southwest logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1711:06 am
SEA
- PHX
1 stop10h 13m
Frontier
Mon 9/217:05 am
PHX
- SEA
1 stop10h 40m
Frontier
Deal found 7/22![Frontier logo]()
$204
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 July 23, 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 July 23, 2026.
This Delta deal was found by Cheapflights users on 7/18. 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 9/307:59 am
SEA
- PHX
Nonstop3h 03m
Delta
Tue 10/66:45 am
PHX
- SEA
Nonstop3h 20m
Delta
Deal found 7/18![Delta logo]()
$197
This Alaska Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:00 pm
SEA
- PHX
Nonstop3h 00m
Alaska Airlines
Mon 9/213:15 pm
PHX
- SEA
1 stop18h 05m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$210
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/105:25 am
SEA
- PHX
Nonstop2h 45m
Southwest
Mon 10/1210:30 pm
PHX
- SEA
Nonstop3h 05m
Southwest
Deal found 7/21![Southwest logo]()
$217
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/178:39 pm
SEA
- PHX
Nonstop2h 57m
Delta
Tue 9/225:40 pm
PHX
- SEA
Nonstop3h 09m
Delta
Deal found 7/20![Delta logo]()
$217
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/38:25 am
SEA
- PHX
Nonstop2h 52m
Delta
Wed 9/95:40 pm
PHX
- SEA
Nonstop3h 09m
Delta
Deal found 7/20![Delta logo]()
$217
This Alaska Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:00 pm
SEA
- PHX
Nonstop3h 00m
Alaska Airlines
Mon 9/77:49 pm
PHX
- SEA
1 stop14h 36m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$240
This Southwest deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/173:25 pm
SEA
- PHX
1 stop6h 25m
Southwest
Tue 9/2212:55 pm
PHX
- SEA
2 stops7h 20m
Southwest
Deal found 7/20![Southwest logo]()
$242
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:15 am
SEA
- PHX
Nonstop3h 01m
Delta
Fri 10/238:00 am
PHX
- SEA
Nonstop3h 20m
Delta
Deal found 7/22![Delta logo]()
$232
This Alaska Airlines deal was found by Cheapflights users on 7/18. 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 8/157:04 am
SEA
- PHX
1 stop9h 10m
Alaska Airlines
Wed 8/194:06 pm
PHX
- SEA
Nonstop3h 08m
Alaska Airlines
Deal found 7/18![Alaska Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:30 pm
SEA
- PHX
Nonstop3h 03m
Delta
Wed 8/266:59 am
PHX
- SEA
Nonstop3h 06m
Delta
Deal found 7/22![Delta logo]()
$236
This Delta deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2111:50 am
SEA
- PHX
Nonstop3h 14m
Delta
Sun 8/235:42 pm
PHX
- SEA
Nonstop3h 06m
Delta
Deal found 7/19![Delta logo]()
$237
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/278:30 pm
SEA
- PHX
Nonstop3h 03m
Delta
Sun 8/306:59 am
PHX
- SEA
Nonstop3h 06m
Delta
Deal found 7/20![Delta logo]()
$237
Last-minute flights from Seattle to Sky Harbor IntlDiscover last-minute flight deals from Seattle to Sky Harbor Intl. Data last updated July 23, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Sky Harbor Intl. Data last updated July 23, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/118:13 pm
SEA
- PHX
1 stop16h 46m
Frontier
Tue 8/1810:09 pm
PHX
- SEA
1 stop12h 30m
Frontier
Deal found 7/19![Frontier logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/118:13 pm
SEA
- PHX
1 stop16h 46m
Frontier
Wed 8/1910:09 pm
PHX
- SEA
1 stop12h 30m
Frontier
Deal found 7/22![Frontier logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:06 pm
SEA
- PHX
1 stop15h 05m
Frontier
Mon 8/179:58 pm
PHX
- SEA
1 stop12h 41m
Frontier
Deal found 7/22![Frontier logo]()
$211
This Alaska Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/119:59 am
SEA
- PHX
Nonstop3h 02m
Alaska Airlines
Tue 8/112:37 pm
PHX
- SEA
Nonstop3h 06m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$212
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2010:34 am
SEA
- PHX
1 stop7h 18m
Frontier
Thu 8/2710:30 pm
PHX
- SEA
1 stop12h 09m
Frontier
Deal found 7/21![Frontier logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/249:29 pm
SEA
- PHX
1 stop15h 30m
Frontier
Sat 8/296:57 pm
PHX
- SEA
1 stop14h 22m
Frontier
Deal found 7/19![Frontier logo]()
$200
This Alaska Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/254:48 pm
SEA
- PHX
Nonstop3h 00m
Alaska Airlines
Tue 9/111:27 am
PHX
- SEA
Nonstop3h 10m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:34 am
SEA
- PHX
1 stop7h 18m
Frontier
Thu 9/1010:55 pm
PHX
- SEA
1 stop18h 50m
Frontier
Deal found 7/18![Frontier logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/272:37 pm
SEA
- PHX
1 stop6h 51m
Frontier
Tue 9/110:09 pm
PHX
- SEA
1 stop12h 30m
Frontier
Deal found 7/19![Frontier logo]()
$213
This WAYA deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:34 am
SEA
- PHX
1 stop7h 18m
Multiple Airlines
Sun 8/309:02 am
PHX
- SEA
Nonstop3h 12m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$216
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 July 23, 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 July 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/199:16 pm
SEA
- PHX
1 stop13h 33m
Frontier
Deal found 7/22![Frontier logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:06 pm
SEA
- PHX
1 stop15h 05m
Frontier
Deal found 7/22![Frontier logo]()
$118
This Alaska Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/178:50 pm
SEA
- PHX
Nonstop2h 59m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$119
This Frontier deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/281:35 pm
SEA
- PHX
1 stop7h 53m
Frontier
Deal found 7/20![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/309:29 pm
SEA
- PHX
1 stop25h 55m
Frontier
Deal found 7/21![Frontier logo]()
$122
This Super.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/132:22 pm
SEA
- PHX
1 stop7h 06m
Frontier
Deal found 7/21![Frontier logo]()
$123
This United Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/223:30 pm
SEA
- PHX
2 stops7h 27m
United Airlines
Deal found 7/20![United Airlines logo]()
$124
This Super.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:41 pm
SEA
- PHX
1 stop11h 30m
Frontier
Deal found 7/20![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:00 am
SEA
- PHX
2 stops13h 56m
Frontier
Deal found 7/18![Frontier logo]()
$126
This Super.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/37:06 pm
SEA
- PHX
1 stop15h 05m
Frontier
Deal found 7/20![Frontier logo]()
$128
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2311:50 am
SEA
- PHX
Nonstop3h 14m
Delta
Deal found 7/22![Delta logo]()
$129
This Frontier deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/57:06 pm
SEA
- PHX
1 stop12h 34m
Frontier
Deal found 7/19![Frontier logo]()
$130
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 July 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $187 (Kiwi.com) |
One-way from | $117 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $277 |
Good round-trip deal | $259 or less |
Good one-way deal | $182 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 July 23, 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
Wed 9/30
7:59 am-11:02 am
Nonstop3h 03m
Phoenix Sky Harbor Intl
Tue 10/6
6:45 am-10:05 am
Nonstop3h 20m
$197
SeattlePhoenix
SEA - PHX
SEAPHX
Seattle/Tacoma Intl
Sat 9/19
7:00 pm-10:00 pm
Nonstop3h 00m
Phoenix Sky Harbor Intl
Mon 9/21
3:15 pm-9:20 am
1 stop18h 05m
$210
Quickest round-trip
SeattlePhoenix
SEA - PHX
SEAPHX
Seattle/Tacoma Intl
Sat 10/10
5:25 am-8:10 am
Nonstop2h 45m
Phoenix Sky Harbor Intl
Mon 10/12
10:30 pm-1:35 am
Nonstop3h 05m
$217
SeattlePhoenix
SEA - PHX
SEAPHX
Seattle/Tacoma Intl
Thu 9/17
8:39 pm-11:36 pm
Nonstop2h 57m
Phoenix Sky Harbor Intl
Tue 9/22
5:40 pm-8:49 pm
Nonstop3h 09m
$217
SeattlePhoenix
SEA - PHX
SEAPHX
Seattle/Tacoma Intl
Thu 9/3
8:25 am-11:17 am
Nonstop2h 52m
Phoenix Sky Harbor Intl
Wed 9/9
5:40 pm-8:49 pm
Nonstop3h 09m
$217
SeattlePhoenix
SEA - PHX
SEAPHX
Seattle/Tacoma Intl
Wed 10/14
7:15 am-10:16 am
Nonstop3h 01m
Phoenix Sky Harbor Intl
Fri 10/23
8:00 am-11:20 am
Nonstop3h 20m
$232
SeattlePhoenix
SEA - PHX
SEAPHX
Seattle/Tacoma Intl
Tue 8/25
8:30 pm-11:33 pm
Nonstop3h 03m
Phoenix Sky Harbor Intl
Wed 8/26
6:59 am-10:05 am
Nonstop3h 06m
$236
SeattlePhoenix
SEA - PHX
SEAPHX
Seattle/Tacoma Intl
Fri 8/21
11:50 am-3:04 pm
Nonstop3h 14m
Phoenix Sky Harbor Intl
Sun 8/23
5:42 pm-8:48 pm
Nonstop3h 06m
$237
SeattlePhoenix
SEA - PHX
SEAPHX
Seattle/Tacoma Intl
Thu 8/27
8:30 pm-11:33 pm
Nonstop3h 03m
Phoenix Sky Harbor Intl
Sun 8/30
6:59 am-10:05 am
Nonstop3h 06m
$237
SeattlePhoenix
SEA - PHX
SEAPHX
Seattle/Tacoma Intl
Fri 9/4
7:00 pm-10:00 pm
Nonstop3h 00m
Phoenix Sky Harbor Intl
Mon 9/7
7:49 pm-10:25 am
1 stop14h 36m
$240
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 July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | 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?
The best time to book flights from Seattle to Phoenix Sky Harbor Intl Airport is 71 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, January is the cheapest month in which you can book a flight from Seattle to Phoenix Sky Harbor Intl Airport (average of $185). Flying from Seattle to Phoenix Sky Harbor Intl Airport in June is currently the most expensive (average of $294). 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 July 23, 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 18% 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 July 18, 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 130 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 early afternoon 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 Monday 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, American Airlines have had the lowest number of delays on this route, with just 12% 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 July 23, 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.
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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 locationsGlendale
Buckeye
Goodyear
Surprise
Wickenburg
Paradise Valley
Peoria
Casa Grande
Chandler
Camp Verde
Globe
Payson
Fountain Hills
Guadalupe
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Seattle and Sky Harbor Intl flights
Browse other Seattle and Sky Harbor Intl flight options. Last updated on July 23, 2026.
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Explore flights to Sky Harbor Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 23, 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 July 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$52 | Average$169 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$71 | Average$224 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$83 | Average$268 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$107 | Average$278 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$117 | Average$287 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$160 | Average$353 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$174 | Average$251 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$198 | Average$331 | FlexibilityNo cancel fee | On-time69% |