$134+ Cheap flights from Austin to Seattle (AUS - 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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SEA
Nov 29 — Dec 61
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 April or January, booked 62 days in advance, depart on a Wednesday or Thursday 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 October 30, 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 October 30, 2026.
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:35 pm -
Nonstop4h 35m
Tue 12/15:40 am -
1 stop7h 10m
Deal found 10/29![Southwest logo]()
$237
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.
Fri 12/116:31 pm -
1 stop23h 12m
Fri 12/181:37 pm -
1 stop27h 12m
Deal found 10/26![Frontier logo]()
$238
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 11/178:21 pm -
1 stop20h 51m
Sun 11/229:53 pm -
1 stop22h 11m
Deal found 10/26![Frontier logo]()
$239
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:43 pm -
2 stops27h 19m
Sat 12/54:58 pm -
1 stop22h 37m
Deal found 10/27![Frontier logo]()
$240
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/68:52 pm -
1 stop17h 24m
Mon 12/148:56 pm -
1 stop21h 11m
Deal found 10/27![Frontier logo]()
$241
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.
Thu 11/268:34 am -
Nonstop4h 44m
Tue 12/15:10 pm -
Nonstop4h 04m
Deal found 10/28![Alaska Airlines logo]()
$243
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.
Mon 12/147:09 pm -
Nonstop4h 47m
Fri 1/111:49 am -
Nonstop4h 12m
Deal found 10/28![Alaska Airlines logo]()
$247
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.
Mon 12/77:09 pm -
Nonstop4h 47m
Mon 12/145:51 pm -
1 stop17h 05m
Deal found 10/28![Alaska Airlines logo]()
$248
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.
Wed 11/188:30 am -
Nonstop4h 38m
Fri 11/209:53 pm -
1 stop20h 44m
Deal found 10/28![Multiple Airlines logo]()
$249
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.
Wed 11/259:32 pm -
1 stop17h 05m
Mon 11/309:53 pm -
1 stop18h 46m
Deal found 10/29![Frontier logo]()
$250
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/511:40 am -
Nonstop4h 40m
Tue 12/87:00 am -
1 stop8h 00m
Deal found 10/25![Southwest logo]()
$253
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 October 30, 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 October 30, 2026.
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/112:40 pm -
2 stops11h 00m
Tue 12/155:40 am -
2 stops8h 15m
Deal found 10/29![Southwest logo]()
$297
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.
Sat 12/511:00 am -
Nonstop4h 50m
Tue 12/85:45 pm -
Nonstop4h 09m
Deal found 10/26![Delta logo]()
$297
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/2412:20 pm -
1 stop9h 04m
Mon 4/53:51 pm -
1 stop5h 47m
Deal found 10/29![United Airlines logo]()
$337
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.
Sat 4/107:35 am -
1 stop7h 01m
Wed 4/1412:18 pm -
Nonstop4h 14m
Deal found 10/28![Alaska Airlines logo]()
$347
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.
Thu 12/311:02 am -
Nonstop4h 54m
Sat 12/55:45 pm -
Nonstop4h 09m
Deal found 10/25![Delta logo]()
$297
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/248:30 am -
Nonstop4h 45m
Thu 12/315:11 pm -
Nonstop4h 03m
Deal found 10/29![Alaska Airlines logo]()
$352
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/155:30 pm -
1 stop7h 28m
Sat 3/2011:59 pm -
1 stop6h 51m
Deal found 10/29![United Airlines logo]()
$364
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/156:30 pm -
Nonstop4h 40m
Sat 3/209:45 am -
1 stop12h 50m
Deal found 10/29![Southwest logo]()
$393
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/188:30 am -
Nonstop4h 45m
Thu 12/248:31 am -
1 stop6h 12m
Deal found 10/29![Alaska Airlines logo]()
$367
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 11/113:00 pm -
1 stop10h 57m
Tue 11/175:45 pm -
Nonstop4h 12m
Deal found 10/26![Delta logo]()
$390
Last-minute flights from Austin to SeattleDiscover last-minute flight deals from Austin to Seattle. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Austin 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.
Tue 11/178:21 pm -
1 stop20h 51m
Sun 11/229:53 pm -
1 stop22h 11m
Deal found 10/26![Frontier logo]()
$239
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/178:21 pm -
1 stop20h 51m
Sat 11/214:37 pm -
1 stop24h 32m
Deal found 10/28![Frontier logo]()
$258
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/178:30 am -
Nonstop4h 38m
Sun 11/224:37 pm -
1 stop24h 32m
Deal found 10/26![Multiple Airlines logo]()
$267
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.
Wed 11/188:30 am -
Nonstop4h 38m
Fri 11/209:53 pm -
1 stop20h 44m
Deal found 10/28![Multiple Airlines logo]()
$249
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.
Wed 11/188:21 pm -
2 stops24h 12m
Tue 11/2410:18 am -
2 stops9h 46m
Deal found 10/28![Frontier logo]()
$264
This Kissandfly.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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2310:59 pm -
1 stop15h 38m
Tue 12/18:30 am -
1 stop7h 34m
Deal found 10/26![Frontier logo]()
$262
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2410:59 pm -
1 stop15h 38m
Mon 11/309:53 pm -
1 stop18h 46m
Deal found 10/25![Frontier logo]()
$266
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/258:15 pm -
1 stop7h 30m
Tue 12/15:40 am -
1 stop7h 10m
Deal found 10/29![Southwest logo]()
$237
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.
Wed 11/259:32 pm -
1 stop17h 05m
Mon 11/309:53 pm -
1 stop18h 46m
Deal found 10/29![Frontier logo]()
$250
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.
Thu 11/268:34 am -
Nonstop4h 44m
Tue 12/15:10 pm -
Nonstop4h 04m
Deal found 10/28![Alaska Airlines logo]()
$243
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/269:15 am -
1 stop9h 11m
Thu 12/311:59 pm -
1 stop6h 42m
Deal found 10/27![United Airlines logo]()
$263
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 October 30, 2026.
Search for one-way flight options from Austin to Seattle. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/178:21 pm -
1 stop20h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Frontier logo]()
$134
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:51 pm -
2 stops27h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Frontier logo]()
$135
This iWofly 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/168:28 pm -
1 stop22h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Frontier logo]()
$138
This Super.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2010:59 pm -
1 stop15h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Frontier logo]()
$142
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.
Sun 11/2210:59 pm -
1 stop15h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Frontier logo]()
$143
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.
Sun 12/207:44 pm -
1 stop18h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Frontier logo]()
$144
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1511:32 am -
2 stops30h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Frontier logo]()
$145
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1912:16 pm -
1 stop9h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![United Airlines logo]()
$147
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/811:32 am -
2 stops30h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Frontier logo]()
$148
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.
Tue 12/86:06 pm -
Nonstop4h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Delta logo]()
$149
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 October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $237 (Alaska Airlines) |
One-way from | $134 (Super.com) |
Popular in | July |
Cheapest in | April |
Average price | $364 |
Good round-trip deal | $389 or less |
Good one-way deal | $255 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 7,457,451 searches. Data last updated October 30, 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
Quickest round-trip
AustinSeattle
AUS Austin Bergstrom - SEA Seattle/Tacoma Intl
AUSSEA
Austin Bergstrom
Wed 11/18
6:10 pm-8:50 pm
Nonstop4h 40m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$149
AustinSeattle
AUS Austin Bergstrom - SEA Seattle/Tacoma Intl
AUSSEA
Austin Bergstrom
Fri 12/25
6:00 am-8:52 am
Nonstop4h 52m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$149
AustinSeattle
AUS Austin Bergstrom - SEA Seattle/Tacoma Intl
AUSSEA
Austin Bergstrom
Fri 1/29
6:50 am-1:10 pm
Nonstop8h 20m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$154
AustinSeattle
AUS Austin Bergstrom - SEA Seattle/Tacoma Intl
AUSSEA
Austin Bergstrom
Sat 11/14
11:05 am-1:50 pm
Nonstop4h 45m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$159
AustinSeattle
AUS Austin Bergstrom - SEA Seattle/Tacoma Intl
AUSSEA
Austin Bergstrom
Tue 11/17
11:00 am-1:50 pm
Nonstop4h 50m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$159
AustinSeattle
AUS Austin Bergstrom - SEA Seattle/Tacoma Intl
AUSSEA
Austin Bergstrom
Wed 1/13
5:00 am-2:13 pm
2 stops11h 13m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$174
AustinSeattle
AUS Austin Bergstrom - SEA Seattle/Tacoma Intl
AUSSEA
Austin Bergstrom
Tue 11/17
2:50 pm-9:40 pm
2 stops8h 50m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$174
AustinSeattle
AUS Austin Bergstrom - SEA Seattle/Tacoma Intl
AUSSEA
Austin Bergstrom
Wed 12/2
5:15 am-4:12 pm
2 stops12h 57m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$197
AustinSeattle
AUS Austin Bergstrom - SEA Seattle/Tacoma Intl
AUSSEA
Austin Bergstrom
Sat 12/19
7:04 pm-9:50 pm
Nonstop4h 46m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$199
AustinSeattle
AUS Austin Bergstrom - SEA Seattle/Tacoma Intl
AUSSEA
Austin Bergstrom
Sat 12/5
7:00 am-9:21 pm
3 stops16h 21m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$202
Showing 1-10 of 21 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 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 Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- 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
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, April is the cheapest month in which you can book a flight from Austin to Seattle (average of $253). Flying from Austin to Seattle in July is currently the most expensive (average of $447). 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 October 30, 2026.
A simple way to save on the total cost of your ticket is to fly from Austin to Seattle in the afternoon. If you’re flexible enough to do this you can expect to save up to 12% on your trip compared to booking a flight at noon.
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 October 24, 2026.
Travelers seeking maximum savings on their Austin to Seattle flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
How often are flights from 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 161 minutes.
What is the most punctual flight time for Austin to Seattle 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?
Saturday 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, Alaska Airlines have had the lowest number of delays on this route, with just 10% 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 October 30, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Southwest, andDelta 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.
Crew
8.5
Overall
7.9
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Crew
8.5
Overall
7.9
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Crew
8.5
Overall
7.9
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Crew
8.5
Overall
7.9
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Crew
8.5
Overall
7.9
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Crew
8.5
Overall
7.9
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Food
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 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
Renton
Tacoma
Lacey
Leavenworth
Tukwila
Snoqualmie
Puyallup
Lynnwood
Olympia
Centralia
Kent
Tumwater
Ocean Shores
Ellensburg
Issaquah
Lakewood
Poulsbo
Marysville
Shoreline
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 October 30, 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 October 30, 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 October 30, 2026.
Top 6 airlines flying from Austin to Seattle
Discover the top 6 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 7,457,451 searches. Data last updated October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$146 | Average$327 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$180 | Average$380 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$192 | Average$380 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$218 | Average$436 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$232 | Average$386 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$316 | Average$530 | FlexibilityNo cancel fee | On-time71% |