$104+ Cheap flights from Seattle (SEA) to Sky Harbor Intl (PHX)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — PHX
Oct 6 — Oct 131
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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 February, 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
Cheapest
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 September 6, 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 September 6, 2026.
This Expedia deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/129:16 pm -
1 stop15h 01m
Wed 10/149:20 pm -
1 stop11h 38m
Deal found 9/2![Frontier logo]()
$195
This Expedia deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:00 pm -
1 stop28h 10m
Mon 10/267:38 pm -
1 stop15h 21m
Deal found 9/2![Frontier logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:25 pm -
1 stop26h 59m
Wed 10/79:15 am -
1 stop5h 53m
Deal found 9/2![Frontier logo]()
$197
This FlightHub deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:00 pm -
1 stop28h 10m
Mon 10/262:49 pm -
1 stop20h 10m
Deal found 9/2![Frontier logo]()
$198
This Expedia deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/298:15 pm -
1 stop18h 01m
Wed 10/78:39 pm -
1 stop12h 19m
Deal found 9/3![Frontier logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:00 pm -
1 stop20h 17m
Thu 10/229:15 am -
1 stop5h 57m
Deal found 9/3![Frontier logo]()
$200
This Expedia deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:00 pm -
1 stop28h 10m
Tue 10/206:15 am -
1 stop8h 57m
Deal found 9/2![Frontier logo]()
$201
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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 10/228:58 pm -
Nonstop2h 54m
Sat 10/3111:35 am -
Nonstop3h 10m
Deal found 9/6![Alaska Airlines logo]()
$202
This Priceline deal was found by Cheapflights users on 9/5. 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.
Thu 10/14:27 pm -
1 stop7h 16m
Mon 10/56:02 am -
Nonstop3h 10m
Deal found 9/5![Multiple Airlines logo]()
$203
This Justfly.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2812:14 pm -
1 stop5h 12m
Tue 11/38:30 am -
1 stop27h 29m
Deal found 9/3![Frontier logo]()
$204
This FlightHub deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/610:57 am -
1 stop8h 06m
Tue 10/136:15 am -
1 stop8h 57m
Deal found 9/1![Frontier logo]()
$205
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 September 6, 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 September 6, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2411:31 am -
1 stop9h 10m
Thu 10/2912:45 pm -
Nonstop3h 10m
Deal found 9/4![Alaska Airlines logo]()
$225
This Delta deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:15 pm -
Nonstop3h 03m
Tue 10/2711:14 am -
Nonstop3h 21m
Deal found 9/4![Delta logo]()
$227
This Southwest deal was found by Cheapflights users on 9/5. 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 10/145:50 am -
2 stops7h 10m
Mon 10/192:40 pm -
2 stops8h 05m
Deal found 9/5![Southwest logo]()
$297
This Delta deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/15:59 pm -
Nonstop2h 54m
Sat 12/56:36 pm -
Nonstop3h 18m
Deal found 9/1![Delta logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/123:10 pm -
Nonstop2h 50m
Sat 10/178:02 am -
Nonstop3h 12m
Deal found 9/2![Alaska Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2912:00 pm -
Nonstop3h 04m
Sat 10/35:40 pm -
Nonstop3h 09m
Deal found 9/3![Delta logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/183:10 pm -
Nonstop2h 50m
Sat 10/243:42 pm -
1 stop6h 51m
Deal found 9/1![Alaska Airlines logo]()
$270
This Delta deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:15 am -
Nonstop3h 04m
Thu 10/298:00 am -
Nonstop3h 20m
Deal found 9/1![Delta logo]()
$267
This Alaska Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:18 am -
Nonstop3h 10m
Wed 9/3011:31 am -
Nonstop3h 08m
Deal found 9/2![Alaska Airlines logo]()
$282
This Delta deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/201:42 pm -
Nonstop2h 53m
Mon 11/236:10 am -
Nonstop3h 15m
Deal found 9/3![Delta logo]()
$282
This Alaska Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/142:59 pm -
1 stop5h 42m
Mon 10/196:02 am -
Nonstop3h 10m
Deal found 9/2![Alaska Airlines logo]()
$292
This Alaska Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:00 am -
Nonstop2h 48m
Tue 12/112:52 pm -
1 stop7h 56m
Deal found 9/2![Alaska Airlines logo]()
$292
Last-minute flights from Seattle to Sky Harbor IntlDiscover last-minute flight deals from Seattle to Sky Harbor Intl. Data last updated September 6, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Sky Harbor Intl. Data last updated September 6, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/298:15 pm -
1 stop18h 01m
Wed 10/78:39 pm -
1 stop12h 19m
Deal found 9/3![Frontier logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:25 pm -
1 stop26h 59m
Wed 10/79:15 am -
1 stop5h 53m
Deal found 9/2![Frontier logo]()
$197
This Priceline deal was found by Cheapflights users on 9/5. 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.
Thu 10/14:27 pm -
1 stop7h 16m
Mon 10/56:02 am -
Nonstop3h 10m
Deal found 9/5![Multiple Airlines logo]()
$203
This FlightHub deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/610:57 am -
1 stop8h 06m
Tue 10/136:15 am -
1 stop8h 57m
Deal found 9/1![Frontier logo]()
$205
This Expedia deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/129:16 pm -
1 stop15h 01m
Wed 10/149:20 pm -
1 stop11h 38m
Deal found 9/2![Frontier logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:00 pm -
1 stop20h 17m
Tue 10/206:15 am -
1 stop8h 57m
Deal found 9/3![Frontier logo]()
$200
This Expedia deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:00 pm -
1 stop28h 10m
Tue 10/206:15 am -
1 stop8h 57m
Deal found 9/2![Frontier logo]()
$201
This FlightHub deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:00 pm -
1 stop28h 10m
Mon 10/262:49 pm -
1 stop20h 10m
Deal found 9/2![Frontier logo]()
$198
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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 10/228:58 pm -
Nonstop2h 54m
Sat 10/249:02 am -
Nonstop3h 12m
Deal found 9/6![Alaska Airlines logo]()
$202
This Expedia deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:00 pm -
1 stop28h 10m
Mon 10/267:38 pm -
1 stop15h 21m
Deal found 9/2![Frontier logo]()
$196
This Justfly.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2812:14 pm -
1 stop5h 12m
Tue 11/38:30 am -
1 stop27h 29m
Deal found 9/3![Frontier logo]()
$204
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 September 6, 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 September 6, 2026.
This Trip.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/610:57 am -
1 stop8h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Frontier logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/218:00 pm -
1 stop28h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/264:27 pm -
1 stop7h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Frontier logo]()
$106
This Super.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/14:27 pm -
1 stop7h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$107
This Super.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/84:27 pm -
1 stop7h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$108
This Frontier deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2112:42 pm -
1 stop7h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$109
This CheapOair deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/129:16 pm -
1 stop22h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$110
This Super.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/58:09 pm -
1 stop19h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$112
This Kiwi.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/194:27 pm -
2 stops23h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Frontier logo]()
$113
This Frontier deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/38:55 pm -
1 stop11h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$115
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 September 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $195 (Expedia) |
One-way from | $104 (Trip.com) |
Popular in | June |
Cheapest in | January |
Average price | $260 |
Good round-trip deal | $265 or less |
Good one-way deal | $154 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 7,457,451 searches. Data last updated September 6, 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 Seattle/Tacoma Intl - PHX Phoenix Sky Harbor Intl
SEAPHX
Seattle/Tacoma Intl
Mon 11/2
8:07 pm-11:59 pm
Nonstop2h 52m
Phoenix Sky Harbor Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$129
Quickest round-trip
SeattlePhoenix
SEA Seattle/Tacoma Intl - PHX Phoenix Sky Harbor Intl
SEAPHX
Seattle/Tacoma Intl
Thu 10/15
6:50 pm-9:40 pm
Nonstop2h 50m
Phoenix Sky Harbor Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$129
SeattlePhoenix
SEA Seattle/Tacoma Intl - PHX Phoenix Sky Harbor Intl
SEAPHX
Seattle/Tacoma Intl
Thu 10/1
8:39 pm-11:36 pm
Nonstop2h 57m
Phoenix Sky Harbor Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$129
SeattlePhoenix
SEA Seattle/Tacoma Intl - PHX Phoenix Sky Harbor Intl
SEAPHX
Seattle/Tacoma Intl
Sun 10/4
8:58 pm-11:52 pm
Nonstop2h 54m
Phoenix Sky Harbor Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$139
SeattlePhoenix
SEA Seattle/Tacoma Intl - PHX Phoenix Sky Harbor Intl
SEAPHX
Seattle/Tacoma Intl
Mon 10/5
7:40 am-1:00 pm
1 stop5h 20m
Phoenix Sky Harbor Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$164
SeattlePhoenix
SEA Seattle/Tacoma Intl - PHX Phoenix Sky Harbor Intl
SEAPHX
Seattle/Tacoma Intl
Sat 11/21
10:40 am-9:57 pm
2 stops10h 17m
Phoenix Sky Harbor Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$169
SeattlePhoenix
SEA Seattle/Tacoma Intl - PHX Phoenix Sky Harbor Intl
SEAPHX
Seattle/Tacoma Intl
Mon 9/28
5:30 am-12:50 pm
2 stops7h 20m
Phoenix Sky Harbor Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$169
SeattlePhoenix
SEA Seattle/Tacoma Intl - PHX Phoenix Sky Harbor Intl
SEAPHX
Seattle/Tacoma Intl
Tue 10/6
11:54 am-8:41 pm
2 stops8h 47m
Phoenix Sky Harbor Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$177
SeattlePhoenix
SEA Seattle/Tacoma Intl - PHX Phoenix Sky Harbor Intl
SEAPHX
Seattle/Tacoma Intl
Wed 11/4
8:54 am-7:40 pm
2 stops9h 46m
Phoenix Sky Harbor Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$180
SeattlePhoenix
SEA Seattle/Tacoma Intl - PHX Phoenix Sky Harbor Intl
SEAPHX
Seattle/Tacoma Intl
Sat 10/24
11:31 am-8:41 pm
1 stop9h 10m
Phoenix Sky Harbor Intl
Thu 10/29
12:45 pm-3:55 pm
Nonstop3h 10m
$225
Showing 1-10 of 21 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 September.
| 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 Accuracy1 star | Trust Score*3 stars | |
| 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 |
- 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 $188). 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 September 6, 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 in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 16% 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 September 5, 2026.
Travelers seeking maximum savings on their Seattle to Phoenix Sky Harbor Intl Airport flight should consider departing on Tuesday 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 evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Seattle to Phoenix flights?
Over the last year, 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 September 6, 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.
Overall
8.0
Comfort
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Comfort
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Comfort
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Comfort
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Comfort
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Comfort
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
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
Payson
Goodyear
Surprise
Wickenburg
Paradise Valley
Peoria
Chandler
Casa Grande
Camp Verde
Globe
Fountain Hills
Guadalupe
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Seattle
Popular flights
Sky Harbor Intl flight routes
Alternative routes for Seattle to Sky Harbor Intl
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Sky Harbor Intl by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to Sky Harbor Intl by cabin class
Find flights from Seattle to Sky Harbor Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Sky Harbor Intl flights
Browse other Seattle and Sky Harbor Intl flight options. Last updated on September 6, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on September 6, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Sky Harbor Intl
Explore flights to Sky Harbor Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 6, 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 7,457,451 searches. Data last updated September 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$49 | Average$173 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$66 | Average$229 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$93 | Average$280 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$108 | Average$284 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$117 | Average$291 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$161 | Average$357 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$174 | Average$251 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$198 | Average$331 | FlexibilityNo cancel fee | On-time69% |