$113+ Cheap flights from Sky Harbor Intl (PHX) to Seattle (SEA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SEA
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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Find cheap flights from Sky Harbor Intl to Seattle with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to Seattle/Tacoma Intl are usually found in January or February, booked 62 days in advance, depart on a Friday or Thursday and return on a Saturday
Cheap flight deals from Sky Harbor Intl to Seattle
Cheapest
Best
Last-minute
One-way
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 October 30, 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 October 30, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 10/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1210:24 am -
1 stop6h 19m
Sun 12/131:36 pm -
1 stop24h 48m
Deal found 10/27![Frontier logo]()
$161
This Cheapflightsfares deal was found by Cheapflights users on 10/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/17:52 pm -
1 stop20h 48m
Thu 12/31:32 pm -
1 stop9h 21m
Deal found 10/26![Frontier logo]()
$162
This Cheapflightsfares deal was found by Cheapflights users on 10/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:15 am -
1 stop8h 57m
Tue 11/177:48 pm -
1 stop21h 14m
Deal found 10/26![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/254:38 pm -
1 stop29h 00m
Wed 12/24:58 pm -
1 stop6h 51m
Deal found 10/28![Frontier logo]()
$165
This Cheapflightsfares deal was found by Cheapflights users on 10/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/238:59 pm -
1 stop16h 38m
Thu 11/269:53 pm -
1 stop19h 56m
Deal found 10/27![Frontier logo]()
$167
This Cheapflightsfares deal was found by Cheapflights users on 10/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/195:17 am -
1 stop14h 16m
Sun 11/229:53 pm -
1 stop25h 40m
Deal found 10/26![Frontier logo]()
$168
This Cheapflightsfares deal was found by Cheapflights users on 10/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/188:30 am -
1 stop26h 15m
Sat 12/54:58 pm -
1 stop6h 51m
Deal found 10/27![Frontier logo]()
$169
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2512:30 pm -
1 stop25h 07m
Mon 11/309:53 pm -
1 stop12h 54m
Deal found 10/28![Frontier logo]()
$170
This Travelocity deal was found by Cheapflights users on 10/28. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/208:59 pm -
1 stop16h 38m
Wed 12/24:58 pm -
1 stop6h 51m
Deal found 10/28![Frontier logo]()
$171
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:32 pm -
1 stop18h 05m
Thu 11/269:53 pm -
1 stop25h 40m
Deal found 10/29![Frontier logo]()
$172
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 October 30, 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 October 30, 2026.
This Delta deal was found by Cheapflights users on 10/26. 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 11/186:00 am -
Nonstop3h 10m
Sat 12/511:50 am -
Nonstop2h 55m
Deal found 10/26![Delta logo]()
$227
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:05 am -
Nonstop3h 13m
Sat 12/58:57 am -
Nonstop2h 55m
Deal found 10/28![Alaska Airlines logo]()
$227
This Southwest deal was found by Cheapflights users on 10/26. 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 11/2510:55 pm -
Nonstop3h 15m
Sun 12/610:45 am -
Nonstop2h 50m
Deal found 10/26![Southwest logo]()
$252
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/108:58 pm -
Nonstop3h 17m
Sat 12/129:12 am -
1 stop5h 14m
Deal found 10/27![Alaska Airlines logo]()
$232
This Delta deal was found by Cheapflights users on 10/29. 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.
Thu 12/246:30 am -
Nonstop3h 15m
Tue 12/297:58 pm -
Nonstop3h 00m
Deal found 10/29![Delta logo]()
$237
This Southwest deal was found by Cheapflights users on 10/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2310:30 pm -
Nonstop3h 15m
Sat 11/286:30 am -
Nonstop2h 45m
Deal found 10/28![Southwest logo]()
$252
This Delta deal was found by Cheapflights users on 10/26. 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 11/246:00 am -
Nonstop3h 10m
Sat 11/287:20 am -
Nonstop3h 01m
Deal found 10/26![Delta logo]()
$242
This Alaska Airlines deal was found by Cheapflights users on 10/25. 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 11/188:00 am -
1 stop7h 45m
Sat 12/127:34 am -
Nonstop2h 55m
Deal found 10/25![Alaska Airlines logo]()
$260
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:00 am -
Nonstop3h 10m
Mon 11/308:00 pm -
Nonstop2h 56m
Deal found 10/28![Delta logo]()
$252
This Delta deal was found by Cheapflights users on 10/25. 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 12/1212:25 pm -
Nonstop3h 19m
Wed 12/168:00 pm -
Nonstop2h 59m
Deal found 10/25![Delta logo]()
$257
This Delta deal was found by Cheapflights users on 10/25. 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 12/219:15 am -
Nonstop3h 17m
Tue 12/2911:30 am -
Nonstop3h 01m
Deal found 10/25![Delta logo]()
$267
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/226:30 am -
Nonstop3h 15m
Fri 12/257:58 pm -
Nonstop3h 00m
Deal found 10/28![Delta logo]()
$267
Last-minute flights from Sky Harbor Intl to SeattleDiscover last-minute flight deals from Sky Harbor Intl to Seattle. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Sky Harbor Intl to Seattle. Data last updated October 30, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 10/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:15 am -
1 stop8h 57m
Tue 11/177:48 pm -
1 stop21h 14m
Deal found 10/26![Frontier logo]()
$163
This Cheapflightsfares deal was found by Cheapflights users on 10/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/188:30 am -
1 stop26h 15m
Sat 12/54:58 pm -
1 stop6h 51m
Deal found 10/27![Frontier logo]()
$169
This Cheapflightsfares deal was found by Cheapflights users on 10/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/195:17 am -
1 stop14h 16m
Sun 11/229:53 pm -
1 stop25h 40m
Deal found 10/26![Frontier logo]()
$168
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:32 pm -
1 stop18h 05m
Thu 11/269:53 pm -
1 stop25h 40m
Deal found 10/29![Frontier logo]()
$172
This Travelocity deal was found by Cheapflights users on 10/28. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/208:59 pm -
1 stop16h 38m
Wed 12/24:58 pm -
1 stop6h 51m
Deal found 10/28![Frontier logo]()
$171
This Cheapflightsfares deal was found by Cheapflights users on 10/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/238:59 pm -
1 stop16h 38m
Thu 11/269:53 pm -
1 stop19h 56m
Deal found 10/27![Frontier logo]()
$167
This Cheapflightsfares deal was found by Cheapflights users on 10/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2312:30 pm -
1 stop25h 07m
Tue 1/511:53 am -
1 stop11h 47m
Deal found 10/27![Frontier logo]()
$178
This Cheapflightsfares deal was found by Cheapflights users on 10/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/248:59 pm -
1 stop16h 38m
Mon 11/309:53 pm -
1 stop22h 59m
Deal found 10/25![Frontier logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/254:38 pm -
1 stop29h 00m
Wed 12/24:58 pm -
1 stop6h 51m
Deal found 10/28![Frontier logo]()
$165
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2512:30 pm -
1 stop25h 07m
Mon 11/309:53 pm -
1 stop12h 54m
Deal found 10/28![Frontier logo]()
$170
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 October 30, 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 October 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Wed 12/91:22 pm -
2 stops24h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Frontier logo]()
$113
This Delta deal was found by Cheapflights users on 10/29. 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.
Tue 11/246:00 am -
Nonstop3h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Delta logo]()
$114
This Jetabroad deal was found by Cheapflights users on 10/29. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2310:54 am -
1 stop7h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Frontier logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 12/221:32 pm -
2 stops28h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Frontier logo]()
$116
This Super.com deal was found by Cheapflights users on 10/29. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/17:24 am -
1 stop5h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Frontier logo]()
$117
This Super.com deal was found by Cheapflights users on 10/28. 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.
Wed 11/112:00 pm -
1 stop5h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$118
This Super.com deal was found by Cheapflights users on 10/27. 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.
Sat 11/147:15 am -
1 stop8h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Frontier logo]()
$119
This Mytrip deal was found by Cheapflights users on 10/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/102:00 pm -
1 stop5h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$120
This Super.com deal was found by Cheapflights users on 10/26. 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 2/199:21 am -
1 stop8h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Frontier logo]()
$121
This Mytrip deal was found by Cheapflights users on 10/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2412:30 pm -
2 stops21h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$123
Find 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 October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $161 (Cheapflightsfares) |
One-way from | $113 (Kiwi.com) |
Popular in | July |
Cheapest in | January |
Average price | $272 |
Good round-trip deal | $298 or less |
Good one-way deal | $180 or less |
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 7,457,451 searches. Data last updated October 30, 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
Quickest round-trip
PhoenixSeattle
PHX Phoenix Sky Harbor Intl - SEA Seattle/Tacoma Intl
PHXSEA
Phoenix Sky Harbor Intl
Tue 11/24
6:00 am-8:10 am
Nonstop3h 10m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$114
PhoenixSeattle
PHX Phoenix Sky Harbor Intl - SEA Seattle/Tacoma Intl
PHXSEA
Phoenix Sky Harbor Intl
Tue 11/24
10:55 pm-1:10 am
Nonstop3h 15m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$114
PhoenixSeattle
PHX Phoenix Sky Harbor Intl - SEA Seattle/Tacoma Intl
PHXSEA
Phoenix Sky Harbor Intl
Tue 12/8
8:40 am-10:58 am
Nonstop3h 18m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$114
PhoenixSeattle
PHX Phoenix Sky Harbor Intl - SEA Seattle/Tacoma Intl
PHXSEA
Phoenix Sky Harbor Intl
Wed 12/23
10:55 pm-1:10 am
Nonstop3h 15m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$119
PhoenixSeattle
PHX Phoenix Sky Harbor Intl - SEA Seattle/Tacoma Intl
PHXSEA
Phoenix Sky Harbor Intl
Mon 11/23
4:08 pm-9:50 pm
1 stop6h 42m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$124
PhoenixSeattle
PHX Phoenix Sky Harbor Intl - SEA Seattle/Tacoma Intl
PHXSEA
Phoenix Sky Harbor Intl
Wed 12/2
6:32 pm-8:45 pm
Nonstop3h 13m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$129
PhoenixSeattle
PHX Phoenix Sky Harbor Intl - SEA Seattle/Tacoma Intl
PHXSEA
Phoenix Sky Harbor Intl
Sun 1/24
8:20 am-10:36 am
Nonstop3h 16m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$139
PhoenixSeattle
PHX Phoenix Sky Harbor Intl - SEA Seattle/Tacoma Intl
PHXSEA
Phoenix Sky Harbor Intl
Sun 12/13
10:30 pm-12:45 am
Nonstop3h 15m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$139
PhoenixSeattle
PHX Phoenix Sky Harbor Intl - SEA Seattle/Tacoma Intl
PHXSEA
Phoenix Sky Harbor Intl
Fri 12/25
9:15 am-11:32 am
Nonstop3h 17m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$139
PhoenixSeattle
PHX Phoenix Sky Harbor Intl - SEA Seattle/Tacoma Intl
PHXSEA
Phoenix Sky Harbor Intl
Fri 1/1
9:15 am-11:32 am
Nonstop3h 17m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$159
Showing 1-10 of 23 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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | 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
Delays
How far ahead should I book a flight from Phoenix Sky Harbor Intl Airport to Seattle?
The best time to book flights from Phoenix Sky Harbor Intl Airport to Seattle is 61 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Seattle?
Currently, January is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Seattle (average of $133). Flying from Phoenix Sky Harbor Intl Airport to Seattle in July is currently the most expensive (average of $301). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from PHX to SEA?
Find hourly flight availability from 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 October 30, 2026.
It’s typically best to fly out from Phoenix Sky Harbor Intl Airport to Seattle in the evening. Doing so could potentially save you 26% 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 October 24, 2026.
Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to Seattle flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday at noon 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 145 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 Monday 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.
The best insider tips for Phoenix Sky Harbor Intl Airport to Seattle 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 Phoenix Sky Harbor Intl Airport to Seattle trip
Our travel experts
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 October 30, 2026.
Read reviews from past customers who have flown Alaska Airlines,Southwest, andDelta 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.
Food
7.0
Boarding
8.1
Overall
7.9
Comfort
7.8
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Food
7.0
Boarding
8.1
Overall
7.9
Comfort
7.8
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Food
7.0
Boarding
8.1
Overall
7.9
Comfort
7.8
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Food
7.0
Boarding
8.1
Overall
7.9
Comfort
7.8
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Food
7.0
Boarding
8.1
Overall
7.9
Comfort
7.8
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Food
7.0
Boarding
8.1
Overall
7.9
Comfort
7.8
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - 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
Renton
Tacoma
Lacey
Leavenworth
Tukwila
Snoqualmie
Puyallup
Lynnwood
Olympia
Centralia
Kent
Tumwater
Ocean Shores
Ellensburg
Issaquah
Lakewood
Poulsbo
Marysville
Shoreline
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Sky Harbor Intl and Seattle flights
Browse other Sky Harbor Intl and Seattle flight options. Last updated on October 30, 2026.
Other flights from Sky Harbor Intl
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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 7,457,451 searches. Data last updated October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$53 | Average$177 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$107 | Average$282 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$108 | Average$260 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$117 | Average$281 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$135 | Average$297 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$180 | Average$255 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$199 | Average$291 | FlexibilityNo cancel fee | On-time85% |