Cheap flights from Sky Harbor Intl (PHX) to Seattle (SEA) - Compare and Save
PHX — SEA
May 1 — May 81
Round-trip
1 adult, Economy
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Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to Seattle/Tacoma Intl are usually found in January or September, booked 62 days in advance, depart on a Friday or Thursday and return on a Saturday
Cheap flight deals from Sky Harbor Intl to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $121 (Kiwi.com) |
One-way from | $85 (Super.com) |
Popular in | March |
Cheapest in | January |
Average price | $206 |
Good round-trip deal | $204 or less |
Good one-way deal | $127 or less |
Find flight deals from Sky Harbor Intl to Seattle
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Cheapest flights from Sky Harbor Intl to SeattleExplore the most affordable flight options available from Sky Harbor Intl to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 1, 2026.
Explore the most affordable flight options available from Sky Harbor Intl to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:07 pm
PHX
- SEA
1 stop23h 44m
Frontier
Wed 4/2910:57 am
SEA
- PHX
1 stop6h 23m
Frontier
Deal found 3/31![Frontier logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:07 pm
PHX
- SEA
1 stop23h 44m
Frontier
Wed 4/2910:57 am
SEA
- PHX
1 stop6h 23m
Frontier
Deal found 3/31![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 4/278:28 pm
PHX
- SEA
1 stop21h 14m
Frontier
Wed 5/611:06 am
SEA
- PHX
1 stop12h 51m
Frontier
Deal found 3/28![Frontier logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 5/610:27 pm
PHX
- SEA
1 stop11h 55m
Frontier
Tue 5/1211:06 am
SEA
- PHX
1 stop12h 51m
Frontier
Deal found 3/30![Frontier logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:07 pm
PHX
- SEA
1 stop23h 44m
Frontier
Sat 4/257:12 pm
SEA
- PHX
1 stop12h 24m
Frontier
Deal found 3/31![Frontier logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 4/249:24 pm
PHX
- SEA
1 stop12h 03m
Frontier
Wed 4/2910:57 am
SEA
- PHX
1 stop6h 23m
Frontier
Deal found 4/1![Frontier logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 5/137:55 pm
PHX
- SEA
1 stop22h 40m
Frontier
Wed 5/2011:06 am
SEA
- PHX
1 stop12h 51m
Frontier
Deal found 3/28![Frontier logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 4/278:28 pm
PHX
- SEA
1 stop21h 14m
Frontier
Thu 5/711:06 am
SEA
- PHX
1 stop12h 51m
Frontier
Deal found 3/28![Frontier logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/239:00 am
PHX
- SEA
1 stop10h 51m
Frontier
Mon 4/2710:57 am
SEA
- PHX
1 stop13h 41m
Frontier
Deal found 3/31![Frontier logo]()
$159
This Orbitz deal was found by Cheapflights users on 3/31. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/246:50 am
PHX
- SEA
1 stop26h 37m
Frontier
Sun 4/267:12 pm
SEA
- PHX
1 stop12h 24m
Frontier
Deal found 3/31![Frontier logo]()
$160
This Expedia deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:40 am
PHX
- SEA
1 stop26h 42m
Frontier
Sat 5/1611:06 am
SEA
- PHX
1 stop12h 51m
Frontier
Deal found 3/28![Frontier logo]()
$161
This Booking.com deal was found by Cheapflights users on 3/28. 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 4/209:24 pm
PHX
- SEA
1 stop12h 03m
Frontier
Mon 4/2710:11 pm
SEA
- PHX
1 stop25h 38m
Frontier
Deal found 3/28![Frontier logo]()
$162
Best flights from Sky Harbor Intl to SeattleDiscover carefully curated flight deals from Sky Harbor Intl to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 1, 2026.
Discover carefully curated flight deals from Sky Harbor Intl to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 1, 2026.
This Delta deal was found by Cheapflights users on 3/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/233:50 pm
PHX
- SEA
Nonstop3h 15m
Delta
Sun 4/267:50 am
SEA
- PHX
Nonstop3h 00m
Delta
Deal found 3/31![Delta logo]()
$197
This Southwest deal was found by Cheapflights users on 3/29. 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 4/309:55 pm
PHX
- SEA
Nonstop3h 00m
Southwest
Mon 5/45:35 pm
SEA
- PHX
1 stop5h 35m
Southwest
Deal found 3/29![Southwest logo]()
$207
This Alaska Airlines deal was found by Cheapflights users on 3/29. 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 4/156:17 pm
PHX
- SEA
Nonstop3h 14m
Alaska Airlines
Tue 4/288:04 am
SEA
- PHX
Nonstop3h 10m
Alaska Airlines
Deal found 3/29![Alaska Airlines logo]()
$252
This Delta deal was found by Cheapflights users on 3/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:30 am
PHX
- SEA
Nonstop3h 12m
Delta
Sun 4/268:23 pm
SEA
- PHX
Nonstop2h 55m
Delta
Deal found 3/31![Delta logo]()
$197
This Southwest deal was found by Cheapflights users on 3/31. 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.
Thu 4/3011:00 am
PHX
- SEA
1 stop6h 20m
Southwest
Thu 5/79:40 am
SEA
- PHX
2 stops8h 05m
Southwest
Deal found 3/31![Southwest logo]()
$222
This Southwest deal was found by Cheapflights users on 4/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/162:55 pm
PHX
- SEA
2 stops7h 35m
Southwest
Sat 5/2311:15 am
SEA
- PHX
1 stop5h 20m
Southwest
Deal found 4/1![Southwest logo]()
$222
This Alaska Airlines deal was found by Cheapflights users on 4/1. 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.
Thu 5/287:56 pm
PHX
- SEA
Nonstop3h 13m
Alaska Airlines
Tue 6/29:00 am
SEA
- PHX
1 stop6h 41m
Alaska Airlines
Deal found 4/1![Alaska Airlines logo]()
$254
This Southwest deal was found by Cheapflights users on 3/31. 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.
Thu 4/238:45 am
PHX
- SEA
2 stops8h 15m
Southwest
Sun 4/265:35 am
SEA
- PHX
1 stop7h 20m
Southwest
Deal found 3/31![Southwest logo]()
$222
This Alaska Airlines deal was found by Cheapflights users on 4/1. 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.
Fri 4/246:00 am
PHX
- SEA
Nonstop3h 14m
Alaska Airlines
Mon 4/274:42 pm
SEA
- PHX
1 stop5h 49m
Alaska Airlines
Deal found 4/1![Alaska Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/205:38 pm
PHX
- SEA
Nonstop3h 08m
Delta
Sun 7/268:14 am
SEA
- PHX
Nonstop2h 55m
Delta
Deal found 3/27![Delta logo]()
$267
This Delta deal was found by Cheapflights users on 3/29. 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 5/165:35 pm
PHX
- SEA
Nonstop3h 15m
Delta
Wed 5/2011:55 am
SEA
- PHX
Nonstop3h 04m
Delta
Deal found 3/29![Delta logo]()
$267
This Southwest deal was found by Cheapflights users on 4/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/254:20 pm
PHX
- SEA
2 stops6h 10m
Southwest
Tue 4/287:35 am
SEA
- PHX
2 stops6h 25m
Southwest
Deal found 4/1![Southwest logo]()
$257
Last-minute flights from Sky Harbor Intl to SeattleDiscover last-minute flight deals from Sky Harbor Intl to Seattle. Data last updated April 1, 2026 and is based on user searches.
Discover last-minute flight deals from Sky Harbor Intl to Seattle. Data last updated April 1, 2026 and is based on user searches.
This Super.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/35:36 pm
PHX
- SEA
Nonstop3h 20m
Frontier
Fri 4/1010:04 pm
SEA
- PHX
Nonstop3h 00m
Frontier
Deal found 3/28![Frontier logo]()
$166
This Booking.com deal was found by Cheapflights users on 3/28. 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 4/209:24 pm
PHX
- SEA
1 stop12h 03m
Frontier
Mon 4/2710:11 pm
SEA
- PHX
1 stop25h 38m
Frontier
Deal found 3/28![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/216:51 pm
PHX
- SEA
1 stop14h 36m
Frontier
Wed 4/2910:57 am
SEA
- PHX
1 stop6h 23m
Frontier
Deal found 3/31![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:07 pm
PHX
- SEA
1 stop23h 44m
Frontier
Wed 4/2910:57 am
SEA
- PHX
1 stop6h 23m
Frontier
Deal found 3/31![Frontier logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:07 pm
PHX
- SEA
1 stop23h 44m
Frontier
Wed 4/2910:57 am
SEA
- PHX
1 stop6h 23m
Frontier
Deal found 3/31![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:07 pm
PHX
- SEA
1 stop23h 44m
Frontier
Sat 4/257:12 pm
SEA
- PHX
1 stop12h 24m
Frontier
Deal found 3/31![Frontier logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:07 pm
PHX
- SEA
2 stops13h 20m
Frontier
Wed 4/2910:57 am
SEA
- PHX
1 stop6h 23m
Frontier
Deal found 3/31![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/239:00 am
PHX
- SEA
1 stop10h 51m
Frontier
Mon 4/2710:57 am
SEA
- PHX
1 stop13h 41m
Frontier
Deal found 3/31![Frontier logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 4/249:24 pm
PHX
- SEA
1 stop12h 03m
Frontier
Wed 4/2910:57 am
SEA
- PHX
1 stop6h 23m
Frontier
Deal found 4/1![Frontier logo]()
$155
This Orbitz deal was found by Cheapflights users on 3/31. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/246:50 am
PHX
- SEA
1 stop26h 37m
Frontier
Sun 4/267:12 pm
SEA
- PHX
1 stop12h 24m
Frontier
Deal found 3/31![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 4/278:28 pm
PHX
- SEA
1 stop21h 14m
Frontier
Tue 5/511:06 am
SEA
- PHX
1 stop12h 51m
Frontier
Deal found 3/28![Frontier logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 4/278:28 pm
PHX
- SEA
1 stop21h 14m
Frontier
Thu 5/711:06 am
SEA
- PHX
1 stop12h 51m
Frontier
Deal found 3/28![Frontier logo]()
$157
One-way flights from Sky Harbor Intl to SeattleSearch for one-way flight options from Sky Harbor Intl to Seattle. Find affordable one-way fares based on user searches. Data last updated April 1, 2026.
Search for one-way flight options from Sky Harbor Intl to Seattle. Find affordable one-way fares based on user searches. Data last updated April 1, 2026.
This Super.com deal was found by Cheapflights users on 3/28. 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 4/209:24 pm
PHX
- SEA
1 stop12h 03m
Frontier
Deal found 3/28![Frontier logo]()
$85
This Expedia deal was found by Cheapflights users on 3/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1610:27 pm
PHX
- SEA
1 stop11h 55m
Frontier
Deal found 3/31![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/281:29 pm
PHX
- SEA
1 stop28h 13m
Frontier
Deal found 3/31![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 4/211:29 pm
PHX
- SEA
1 stop28h 13m
Frontier
Deal found 3/27![Frontier logo]()
$90
This CheapOair deal was found by Cheapflights users on 3/31. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:51 pm
PHX
- SEA
1 stop14h 36m
Frontier
Deal found 3/31![Frontier logo]()
$92
This Super.com deal was found by Cheapflights users on 3/27. 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 4/65:31 pm
PHX
- SEA
Nonstop3h 20m
Frontier
Deal found 3/27![Frontier logo]()
$93
This Expedia deal was found by Cheapflights users on 3/28. 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 4/65:31 pm
PHX
- SEA
Nonstop3h 20m
Frontier
Deal found 3/28![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/811:26 am
PHX
- SEA
2 stops22h 56m
Frontier
Deal found 3/30![Frontier logo]()
$96
This Trip.com deal was found by Cheapflights users on 3/31. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/35:00 am
PHX
- SEA
Nonstop3h 10m
Alaska Airlines
Deal found 3/31![Alaska Airlines logo]()
$97
This Delta deal was found by Cheapflights users on 3/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/248:33 am
PHX
- SEA
Nonstop3h 16m
Delta
Deal found 3/31![Delta logo]()
$99
This Priceline deal was found by Cheapflights users on 3/30. 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.
Wed 4/151:29 pm
PHX
- SEA
1 stop5h 13m
Frontier
Deal found 3/30![Frontier logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/97:45 am
PHX
- SEA
1 stop26h 50m
Frontier
Deal found 3/27![Frontier logo]()
$102
Cheapflights Fare Finder
Customize your flight search to find flights from Sky Harbor Intl to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 1, 2026.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PhoenixSeattle
PHX - SEA
PHXSEA
Phoenix Sky Harbor Intl
Thu 4/23
3:50 pm-7:05 pm
Nonstop3h 15m
Seattle/Tacoma Intl
Sun 4/26
7:50 am-10:50 am
Nonstop3h 00m
$197
PhoenixSeattle
PHX - SEA
PHXSEA
Phoenix Sky Harbor Intl
Thu 4/23
6:30 am-9:42 am
Nonstop3h 12m
Seattle/Tacoma Intl
Sun 4/26
8:23 pm-11:18 pm
Nonstop2h 55m
$197
PhoenixSeattle
PHX - SEA
PHXSEA
Phoenix Sky Harbor Intl
Thu 4/30
9:55 pm-12:55 am
Nonstop3h 00m
Seattle/Tacoma Intl
Mon 5/4
5:35 pm-11:10 pm
1 stop5h 35m
$207
PhoenixSeattle
PHX - SEA
PHXSEA
Phoenix Sky Harbor Intl
Thu 4/30
11:00 am-5:20 pm
1 stop6h 20m
Seattle/Tacoma Intl
Thu 5/7
9:40 am-5:45 pm
2 stops8h 05m
$222
PhoenixSeattle
PHX - SEA
PHXSEA
Phoenix Sky Harbor Intl
Sat 5/16
2:55 pm-10:30 pm
2 stops7h 35m
Seattle/Tacoma Intl
Sat 5/23
11:15 am-4:35 pm
1 stop5h 20m
$222
PhoenixSeattle
PHX - SEA
PHXSEA
Phoenix Sky Harbor Intl
Thu 4/23
8:45 am-5:00 pm
2 stops8h 15m
Seattle/Tacoma Intl
Sun 4/26
5:35 am-12:55 pm
1 stop7h 20m
$222
PhoenixSeattle
PHX - SEA
PHXSEA
Phoenix Sky Harbor Intl
Wed 4/15
6:17 pm-9:31 pm
Nonstop3h 14m
Seattle/Tacoma Intl
Tue 4/28
8:04 am-11:14 am
Nonstop3h 10m
$252
PhoenixSeattle
PHX - SEA
PHXSEA
Phoenix Sky Harbor Intl
Thu 5/28
7:56 pm-11:09 pm
Nonstop3h 13m
Seattle/Tacoma Intl
Tue 6/2
9:00 am-3:41 pm
1 stop6h 41m
$254
PhoenixSeattle
PHX - SEA
PHXSEA
Phoenix Sky Harbor Intl
Fri 4/24
6:00 am-9:14 am
Nonstop3h 14m
Seattle/Tacoma Intl
Mon 4/27
4:42 pm-10:31 pm
1 stop5h 49m
$257
PhoenixSeattle
PHX - SEA
PHXSEA
Phoenix Sky Harbor Intl
Sat 4/25
4:20 pm-10:30 pm
2 stops6h 10m
Seattle/Tacoma Intl
Tue 4/28
7:35 am-2:00 pm
2 stops6h 25m
$257
Showing 1-10 of 24 resultsSorted by cheapest first
Compare providers for flights from Sky Harbor Intl to Seattle
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 Sky Harbor Intl to Seattle 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 Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Phoenix Sky Harbor Intl Airport-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Phoenix Sky Harbor Intl Airport-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Seattle 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 Phoenix Sky Harbor Intl Airport-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 Sky Harbor Intl to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Sky Harbor Intl with our price prediction graph.
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 Sky Harbor Intl Airport to Seattle
Prices
Airlines
Delays
How far ahead should I book a flight from Phoenix Sky Harbor Intl Airport to Seattle?
Use this chart to determine the optimal time to book a round-trip flight from Sky Harbor Intl to Seattle. Price data was last updated on March 13, 2026.
The best time to book flights from Phoenix Sky Harbor Intl Airport to Seattle is 62 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Seattle?
Currently, October is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Seattle (average of $41). Flying from Phoenix Sky Harbor Intl Airport to Seattle in July is currently the most expensive (average of $88). 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 Sky Harbor Intl to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 1, 2026.
It’s typically best to fly out from Phoenix Sky Harbor Intl Airport to Seattle at noon. Doing so could potentially save you 29% on the flight price compared to flying in the morning, which is usually more expensive.
What is the cheapest day to fly from Phoenix Sky Harbor Intl Airport to Seattle?
Use this chart to determine the cheapest time to fly round-trip from Sky Harbor Intl to Seattle. Price data was last updated on March 28, 2026.
Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to Seattle flight should consider departing on Thursday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
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 140 minutes.
What is the most punctual flight time for Phoenix to Seattle flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Phoenix to Seattle flights?
Over the last year, Delta have had the lowest number of delays on this route, with just 7% of flights being delayed.
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated April 1, 2026.
Read reviews from past customers who have flown Alaska Airlines,Delta, andHawaiian Airlines from Phoenix Sky Harbor Intl Airport to Seattle. 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.
Comfort
7.8
Crew
8.5
Entertainment
7.0
Overall
7.9
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Crew
8.5
Entertainment
7.0
Overall
7.9
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Crew
8.5
Entertainment
7.0
Overall
7.9
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Crew
8.5
Entertainment
7.0
Overall
7.9
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Crew
8.5
Entertainment
7.0
Overall
7.9
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Crew
8.5
Entertainment
7.0
Overall
7.9
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Related info for your journey
Find useful and relevant information for your journey from Sky Harbor Intl to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Tacoma
Ocean Shores
Olympia
Kent
Lynnwood
Lacey
Edmonds
Leavenworth
Snoqualmie
Tukwila
Renton
Puyallup
Kirkland
Ellensburg
Fife
Lakewood
Issaquah
Shoreline
Aberdeen
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Sky Harbor Intl and Seattle flights
Browse other Sky Harbor Intl and Seattle flight options. Last updated on April 1, 2026.
Other flights from Sky Harbor Intl
Browse through other flights departing from Sky Harbor Intl. Flights are based on user searches made on Cheapflights and were last updated on April 1, 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 April 1, 2026.
Top 7 airlines flying from Sky Harbor Intl to Seattle
Discover the top 7 airlines that operate flights from Sky Harbor Intl to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$55 | Average$156 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$83 | Average$191 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$97 | Average$211 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$97 | Average$199 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$97 | Average$227 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$108 | Average$225 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$117 | Average$269 | FlexibilityNo cancel fee | On-time71% |