$166+ Cheap flights from Austin to Seattle (AUS - SEA)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SEA
Jul 16 — Jul 231
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Austin 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 Austin Bergstrom to Seattle/Tacoma Intl are usually found in January or April, booked 62 days in advance, depart on a Thursday or Wednesday and return on a Wednesday
Cheap flight deals from Austin to Seattle
Cheapest
Best
Last-minute
One-way
Cheapest flights from Austin to SeattleExplore the most affordable flight options available from Austin to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 16, 2026.
Explore the most affordable flight options available from Austin to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 16, 2026.
This Frontier deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/612:47 pm
AUS
- SEA
1 stop24h 21m
Frontier
Wed 8/127:06 pm
SEA
- AUS
1 stop21h 42m
Frontier
Deal found 6/12![Frontier logo]()
$282
This Southwest deal was found by Cheapflights users on 6/11. 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.
Tue 8/411:55 am
AUS
- SEA
2 stops10h 20m
Southwest
Thu 8/136:15 am
SEA
- AUS
1 stop5h 40m
Southwest
Deal found 6/11![Southwest logo]()
$283
This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/102:25 pm
AUS
- SEA
1 stop20h 39m
Frontier
Tue 8/117:06 pm
SEA
- AUS
1 stop16h 24m
Frontier
Deal found 6/12![Frontier logo]()
$284
This Orbitz deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/67:43 pm
AUS
- SEA
1 stop15h 21m
Frontier
Sat 8/88:13 pm
SEA
- AUS
1 stop13h 39m
Frontier
Deal found 6/14![Frontier logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/97:43 pm
AUS
- SEA
1 stop15h 21m
Frontier
Tue 8/187:41 pm
SEA
- AUS
1 stop11h 32m
Frontier
Deal found 6/11![Frontier logo]()
$287
This CheapOair deal was found by Cheapflights users on 6/11. 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.
Thu 8/278:15 pm
AUS
- SEA
1 stop15h 33m
Frontier
Mon 8/317:41 pm
SEA
- AUS
1 stop11h 32m
Frontier
Deal found 6/11![Frontier logo]()
$288
This Expedia deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:30 am
AUS
- SEA
1 stop28h 34m
Frontier
Wed 8/128:13 pm
SEA
- AUS
1 stop13h 39m
Frontier
Deal found 6/16![Frontier logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/208:35 pm
AUS
- SEA
2 stops40h 00m
Multiple Airlines
Tue 8/257:41 pm
SEA
- AUS
1 stop11h 32m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$291
This Expedia deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/38:15 pm
AUS
- SEA
1 stop20h 03m
Frontier
Fri 7/108:53 pm
SEA
- AUS
1 stop16h 16m
Frontier
Deal found 6/13![Frontier logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/79:58 am
AUS
- SEA
1 stop25h 50m
Frontier
Sun 9/137:00 am
SEA
- AUS
1 stop14h 59m
Frontier
Deal found 6/15![Frontier logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:43 pm
AUS
- SEA
1 stop15h 21m
Frontier
Tue 8/187:41 pm
SEA
- AUS
1 stop11h 32m
Frontier
Deal found 6/15![Frontier logo]()
$295
Best flights from Austin to SeattleDiscover carefully curated flight deals from Austin to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 16, 2026.
Discover carefully curated flight deals from Austin to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 16, 2026.
This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:20 pm
AUS
- SEA
Nonstop4h 25m
Southwest
Thu 10/11:50 pm
SEA
- AUS
Nonstop4h 05m
Southwest
Deal found 6/11![Southwest logo]()
$308
This Delta deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:15 am
AUS
- SEA
Nonstop4h 25m
Delta
Wed 9/97:15 am
SEA
- AUS
Nonstop4h 11m
Delta
Deal found 6/14![Delta logo]()
$335
This Alaska Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:15 am
AUS
- SEA
1 stop7h 48m
Alaska Airlines
Tue 8/189:05 am
SEA
- AUS
Nonstop4h 09m
Alaska Airlines
Deal found 6/15![Alaska Airlines logo]()
$345
This Alaska Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/67:07 pm
AUS
- SEA
Nonstop4h 28m
Alaska Airlines
Tue 8/113:55 pm
SEA
- AUS
1 stop5h 54m
Alaska Airlines
Deal found 6/12![Alaska Airlines logo]()
$358
This Southwest deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/411:55 am
AUS
- SEA
2 stops9h 15m
Southwest
Tue 8/1111:40 am
SEA
- AUS
1 stop8h 20m
Southwest
Deal found 6/14![Southwest logo]()
$360
This Delta deal was found by Cheapflights users on 6/11. 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 7/306:00 am
AUS
- SEA
Nonstop4h 23m
Delta
Tue 8/115:55 pm
SEA
- AUS
Nonstop4h 03m
Delta
Deal found 6/11![Delta logo]()
$367
This Alaska Airlines deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/148:30 am
AUS
- SEA
Nonstop4h 28m
Alaska Airlines
Mon 8/176:19 pm
SEA
- AUS
Nonstop4h 12m
Alaska Airlines
Deal found 6/14![Alaska Airlines logo]()
$364
This Southwest deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/142:20 pm
AUS
- SEA
2 stops8h 30m
Southwest
Wed 8/1912:55 pm
SEA
- AUS
1 stop8h 10m
Southwest
Deal found 6/15![Southwest logo]()
$367
This Delta deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:11 pm
AUS
- SEA
Nonstop4h 33m
Delta
Fri 9/115:50 pm
SEA
- AUS
Nonstop4h 05m
Delta
Deal found 6/15![Delta logo]()
$411
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 7/297:07 pm
AUS
- SEA
Nonstop4h 28m
Alaska Airlines
Tue 8/411:00 pm
SEA
- AUS
1 stop15h 38m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$377
This Alaska Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/188:30 am
AUS
- SEA
Nonstop4h 28m
Alaska Airlines
Wed 8/199:00 am
SEA
- AUS
Nonstop4h 11m
Alaska Airlines
Deal found 6/15![Alaska Airlines logo]()
$386
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 9/67:15 am
AUS
- SEA
1 stop7h 35m
Alaska Airlines
Sun 9/65:06 pm
SEA
- AUS
Nonstop4h 08m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$407
Last-minute flights from Austin to SeattleDiscover last-minute flight deals from Austin to Seattle. Data last updated June 16, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Seattle. Data last updated June 16, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:30 am
AUS
- SEA
1 stop29h 18m
Frontier
Wed 7/87:06 pm
SEA
- AUS
1 stop27h 01m
Frontier
Deal found 6/15![Frontier logo]()
$312
This Expedia deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/38:15 pm
AUS
- SEA
1 stop20h 03m
Frontier
Fri 7/108:53 pm
SEA
- AUS
1 stop16h 16m
Frontier
Deal found 6/13![Frontier logo]()
$293
This CheapOair deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/38:15 pm
AUS
- SEA
1 stop15h 33m
Frontier
Thu 7/97:06 pm
SEA
- AUS
1 stop16h 24m
Frontier
Deal found 6/15![Frontier logo]()
$303
This Expedia deal was found by Cheapflights users on 6/11. 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 7/38:15 pm
AUS
- SEA
1 stop20h 03m
Frontier
Wed 7/87:06 pm
SEA
- AUS
1 stop27h 01m
Frontier
Deal found 6/11![Frontier logo]()
$305
This Booking.com deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/66:30 am
AUS
- SEA
1 stop28h 47m
Frontier
Wed 7/88:13 pm
SEA
- AUS
1 stop13h 39m
Frontier
Deal found 6/15![Frontier logo]()
$311
This CheapOair deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/96:30 am
AUS
- SEA
1 stop28h 47m
Frontier
Wed 7/158:13 pm
SEA
- AUS
1 stop13h 39m
Frontier
Deal found 6/16![Frontier logo]()
$288
This Expedia deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/126:30 am
AUS
- SEA
1 stop28h 47m
Frontier
Sat 8/17:06 pm
SEA
- AUS
1 stop27h 01m
Frontier
Deal found 6/13![Frontier logo]()
$308
This Trip.com deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/146:30 am
AUS
- SEA
1 stop28h 47m
Frontier
Tue 7/217:06 pm
SEA
- AUS
1 stop27h 01m
Frontier
Deal found 6/15![Frontier logo]()
$297
This Trip.com deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/152:25 pm
AUS
- SEA
1 stop20h 52m
Frontier
Sun 7/198:53 pm
SEA
- AUS
1 stop12h 59m
Frontier
Deal found 6/13![Frontier logo]()
$298
This Super.com deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/226:30 am
AUS
- SEA
1 stop6h 50m
Frontier
Wed 8/58:13 pm
SEA
- AUS
1 stop13h 39m
Frontier
Deal found 6/15![Frontier logo]()
$307
This Orbitz deal was found by Cheapflights users on 6/11. 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.
Tue 7/286:30 am
AUS
- SEA
1 stop28h 47m
Frontier
Wed 8/57:06 pm
SEA
- AUS
1 stop21h 42m
Frontier
Deal found 6/11![Frontier logo]()
$296
This Expedia deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/296:30 am
AUS
- SEA
1 stop28h 47m
Frontier
Wed 8/57:06 pm
SEA
- AUS
1 stop27h 01m
Frontier
Deal found 6/15![Frontier logo]()
$299
One-way flights from Austin to SeattleSearch for one-way flight options from Austin to Seattle. Find affordable one-way fares based on user searches. Data last updated June 16, 2026.
Search for one-way flight options from Austin to Seattle. Find affordable one-way fares based on user searches. Data last updated June 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/48:12 pm
AUS
- SEA
2 stops23h 39m
Frontier
Deal found 6/15![Frontier logo]()
$166
This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/77:20 pm
AUS
- SEA
Nonstop4h 25m
Southwest
Deal found 6/11![Southwest logo]()
$167
This Southwest deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/114:10 pm
AUS
- SEA
Nonstop4h 25m
Southwest
Deal found 6/15![Southwest logo]()
$168
This Southwest deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/194:40 pm
AUS
- SEA
1 stop8h 55m
Southwest
Deal found 6/15![Southwest logo]()
$169
This Super.com deal was found by Cheapflights users on 6/11. 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 6/278:15 pm
AUS
- SEA
1 stop15h 33m
Frontier
Deal found 6/11![Frontier logo]()
$170
This Super.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/286:30 am
AUS
- SEA
1 stop29h 18m
Frontier
Deal found 6/12![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3012:02 pm
AUS
- SEA
1 stop24h 33m
Frontier
Deal found 6/13![Frontier logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/178:26 pm
AUS
- SEA
2 stops40h 09m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$174
This Frontier deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/296:30 am
AUS
- SEA
1 stop9h 48m
Frontier
Deal found 6/12![Frontier logo]()
$175
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/58:01 pm
AUS
- SEA
1 stop7h 28m
United Airlines
Deal found 6/11![United Airlines logo]()
$177
This American Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/287:49 pm
AUS
- SEA
1 stop7h 08m
American Airlines
Deal found 6/12![American Airlines logo]()
$178
Find flight deals from Austin to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Austin (AUS) 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 June 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $282 (Frontier) |
One-way from | $166 (Kiwi.com) |
Popular in | July |
Cheapest in | January |
Average price | $407 |
Good round-trip deal | $367 or less |
Good one-way deal | $214 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Austin 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 June 16, 2026.
Use the filters below to find and compare flights from Austin to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
AustinSeattle
AUS - SEA
AUSSEA
Austin Bergstrom
Fri 9/11
7:20 pm-9:45 pm
Nonstop4h 25m
Seattle/Tacoma Intl
Thu 10/1
1:50 pm-7:55 pm
Nonstop4h 05m
$308
AustinSeattle
AUS - SEA
AUSSEA
Austin Bergstrom
Tue 9/1
6:15 am-8:40 am
Nonstop4h 25m
Seattle/Tacoma Intl
Wed 9/9
7:15 am-1:26 pm
Nonstop4h 11m
$335
AustinSeattle
AUS - SEA
AUSSEA
Austin Bergstrom
Tue 8/11
7:15 am-1:03 pm
1 stop7h 48m
Seattle/Tacoma Intl
Tue 8/18
9:05 am-3:14 pm
Nonstop4h 09m
$345
AustinSeattle
AUS - SEA
AUSSEA
Austin Bergstrom
Thu 8/6
7:07 pm-9:35 pm
Nonstop4h 28m
Seattle/Tacoma Intl
Tue 8/11
3:55 pm-11:49 pm
1 stop5h 54m
$358
AustinSeattle
AUS - SEA
AUSSEA
Austin Bergstrom
Tue 8/4
11:55 am-7:10 pm
2 stops9h 15m
Seattle/Tacoma Intl
Tue 8/11
11:40 am-10:00 pm
1 stop8h 20m
$360
AustinSeattle
AUS - SEA
AUSSEA
Austin Bergstrom
Fri 8/14
8:30 am-10:58 am
Nonstop4h 28m
Seattle/Tacoma Intl
Mon 8/17
6:19 pm-12:31 am
Nonstop4h 12m
$364
Quickest round-trip
AustinSeattle
AUS - SEA
AUSSEA
Austin Bergstrom
Thu 7/30
6:00 am-8:23 am
Nonstop4h 23m
Seattle/Tacoma Intl
Tue 8/11
5:55 pm-11:58 pm
Nonstop4h 03m
$367
AustinSeattle
AUS - SEA
AUSSEA
Austin Bergstrom
Fri 8/14
2:20 pm-8:50 pm
2 stops8h 30m
Seattle/Tacoma Intl
Wed 8/19
12:55 pm-11:05 pm
1 stop8h 10m
$367
AustinSeattle
AUS - SEA
AUSSEA
Austin Bergstrom
Wed 7/29
7:07 pm-9:35 pm
Nonstop4h 28m
Seattle/Tacoma Intl
Tue 8/4
11:00 pm-4:38 pm
1 stop15h 38m
$377
AustinSeattle
AUS - SEA
AUSSEA
Austin Bergstrom
Tue 8/18
8:30 am-10:58 am
Nonstop4h 28m
Seattle/Tacoma Intl
Wed 8/19
9:00 am-3:11 pm
Nonstop4h 11m
$386
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Austin 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 Austin to Seattle in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Austin-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Austin-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Austin-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Austin-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 Austin-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 Austin to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Austin with our price prediction graph.
AUS-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 Austin to Seattle
Prices
Airlines
Delays
How far ahead should I book a flight from Austin to Seattle?
Booking 61 days in advance of your planned departure date is, on average, the best time to get cheap flights from Austin to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Austin to Seattle?
Currently, January is the cheapest month in which you can book a flight from Austin to Seattle (average of $220). Flying from Austin to Seattle in July is currently the most expensive (average of $408). 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 AUS to SEA?
Find hourly flight availability from Austin 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 June 16, 2026.
A simple way to save on the total cost of your ticket is to fly from Austin to Seattle at noon. If you’re flexible enough to do this you can expect to save up to 7% on your trip compared to booking a flight in the morning.
What is the cheapest day to fly from Austin to Seattle?
Use this chart to determine the cheapest time to fly round-trip from Austin to Seattle. Price data was last updated on June 13, 2026.
Travelers seeking maximum savings on their Austin to Seattle flight should consider departing on Wednesday at noon when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
How often are flights from Austin to Seattle delayed?
About 11% of weekly flights between Austin and Seattle have experienced delays in the past year, with the average delay time being 169 minutes.
What is the most punctual flight time for Austin 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?
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 Austin to Seattle flights?
Over the last year, Delta have had the lowest number of delays on this route, with just 11% of flights being delayed.
The best insider tips for Austin 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 Austin 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 June 16, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Delta, andHawaiian Airlines from Austin to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.0
Overall
7.9
Food
7.1
Boarding
8.1
Comfort
7.8
Crew
8.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Entertainment
7.0
Overall
7.9
Food
7.1
Boarding
8.1
Comfort
7.8
Crew
8.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Entertainment
7.0
Overall
7.9
Food
7.1
Boarding
8.1
Comfort
7.8
Crew
8.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Entertainment
7.0
Overall
7.9
Food
7.1
Boarding
8.1
Comfort
7.8
Crew
8.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Entertainment
7.0
Overall
7.9
Food
7.1
Boarding
8.1
Comfort
7.8
Crew
8.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Entertainment
7.0
Overall
7.9
Food
7.1
Boarding
8.1
Comfort
7.8
Crew
8.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Related info for your journey
Find useful and relevant information for your journey from Austin 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
Lacey
Ocean Shores
Leavenworth
Olympia
Edmonds
Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Lynnwood
Renton
Ellensburg
Fife
Lakewood
Issaquah
Shoreline
Marysville
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 Austin
Popular flights
Seattle flight routes
Alternative routes for Austin to Seattle
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Seattle by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Austin to Seattle by cabin class
Find flights from Austin to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Austin and Seattle flights
Browse other Austin and Seattle flight options. Last updated on June 16, 2026.
Other flights from Austin
Browse through other flights departing from Austin. Flights are based on user searches made on Cheapflights and were last updated on June 16, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 June 16, 2026.
Top 7 airlines flying from Austin to Seattle
Discover the top 7 airlines that operate flights from Austin 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 June 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$98 | Average$277 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$137 | Average$274 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$177 | Average$359 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$179 | Average$344 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$216 | Average$326 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$251 | Average$418 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$316 | Average$593 | FlexibilityNo cancel fee | On-time71% |