$149+ Cheap flights from Seattle to Austin (SEA - AUS)
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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — AUS
Oct 22 — Oct 291
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Austin 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 Austin Bergstrom are usually found in January or February, booked 30 days in advance, depart on a Sunday or Tuesday and return on a Thursday
Cheap flight deals from Seattle to Austin
Cheapest
Best
Last-minute
One-way
Cheapest flights from Seattle to AustinExplore the most affordable flight options available from Seattle to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 22, 2026.
Explore the most affordable flight options available from Seattle to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 22, 2026.
This Southwest deal was found by Cheapflights users on 9/17. 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 10/285:35 am -
2 stops8h 15m
Mon 11/24:05 pm -
2 stops10h 35m
Deal found 9/17![Southwest logo]()
$232
This Southwest deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/175:15 am -
1 stop9h 35m
Tue 1/52:30 pm -
2 stops8h 40m
Deal found 9/17![Southwest logo]()
$233
This SmartFares deal was found by Cheapflights users on 9/17. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/15:09 pm -
Nonstop4h 05m
Sun 11/88:30 am -
Nonstop4h 38m
Deal found 9/17![Alaska Airlines logo]()
$237
This Cheapflightsfares deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/199:16 pm -
1 stop13h 01m
Thu 10/2212:18 pm -
1 stop23h 30m
Deal found 9/19![Frontier logo]()
$242
This Cheapflightsfares deal was found by Cheapflights users on 9/18. 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 10/64:27 pm -
1 stop25h 02m
Tue 10/208:21 pm -
1 stop20h 51m
Deal found 9/18![Frontier logo]()
$243
This American Airlines deal was found by Cheapflights users on 9/17. 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.
Mon 10/1212:25 am -
1 stop7h 07m
Fri 10/162:13 pm -
1 stop8h 40m
Deal found 9/17![American Airlines logo]()
$244
This Cheapflightsfares deal was found by Cheapflights users on 9/19. 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 12/24:58 pm -
1 stop22h 41m
Sun 12/610:51 pm -
1 stop16h 11m
Deal found 9/19![Frontier logo]()
$245
This American Airlines deal was found by Cheapflights users on 9/17. 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.
Wed 11/45:10 am -
1 stop7h 06m
Sun 11/85:00 am -
1 stop6h 37m
Deal found 9/17![American Airlines logo]()
$247
This Expedia deal was found by Cheapflights users on 9/17. 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 11/45:09 pm -
Nonstop4h 05m
Sun 11/81:08 pm -
1 stop22h 37m
Deal found 9/17![Multiple Airlines logo]()
$253
This Cheapflightsfares deal was found by Cheapflights users on 9/19. 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 10/304:27 pm -
1 stop24h 59m
Mon 11/21:08 pm -
1 stop23h 51m
Deal found 9/19![Frontier logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 11/178:13 am -
Nonstop4h 18m
Sun 11/2210:59 pm -
1 stop15h 38m
Deal found 9/17![Multiple Airlines logo]()
$255
This Priceline deal was found by Cheapflights users on 9/17. 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.
Fri 10/305:08 pm -
Nonstop4h 06m
Mon 11/27:07 pm -
Nonstop4h 38m
Deal found 9/17![Alaska Airlines logo]()
$257
Best flights from Seattle to AustinDiscover carefully curated flight deals from Seattle to Austin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 22, 2026.
Discover carefully curated flight deals from Seattle to Austin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 22, 2026.
This Delta deal was found by Cheapflights users on 9/17. 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 11/57:15 am -
Nonstop4h 20m
Sun 11/86:00 am -
Nonstop4h 41m
Deal found 9/17![Delta logo]()
$277
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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 10/1311:33 am -
1 stop8h 09m
Fri 10/167:07 pm -
Nonstop4h 35m
Deal found 9/17![Alaska Airlines logo]()
$287
This Southwest deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:40 pm -
1 stop11h 00m
Thu 10/224:10 pm -
2 stops10h 30m
Deal found 9/18![Southwest logo]()
$371
This Delta deal was found by Cheapflights users on 9/22. 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 10/245:49 pm -
Nonstop4h 10m
Tue 10/276:00 am -
Nonstop4h 41m
Deal found 9/22![Delta logo]()
$297
This Delta deal was found by Cheapflights users on 9/22. 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 10/235:40 pm -
Nonstop4h 10m
Tue 10/276:00 am -
Nonstop4h 41m
Deal found 9/22![Delta logo]()
$310
This Southwest deal was found by Cheapflights users on 9/17. 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 10/2812:10 am -
2 stops10h 05m
Sun 11/14:05 pm -
2 stops10h 35m
Deal found 9/17![Southwest logo]()
$390
This Delta deal was found by Cheapflights users on 9/21. 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 10/245:49 pm -
Nonstop4h 10m
Sun 10/256:00 am -
Nonstop4h 41m
Deal found 9/21![Delta logo]()
$357
This Southwest deal was found by Cheapflights users on 9/17. 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 12/1110:45 am -
2 stops8h 35m
Sun 12/135:30 am -
2 stops10h 25m
Deal found 9/17![Southwest logo]()
$409
This Southwest deal was found by Cheapflights users on 9/21. 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 10/136:15 am -
2 stops8h 15m
Tue 10/204:10 pm -
2 stops8h 30m
Deal found 9/21![Southwest logo]()
$417
This Delta deal was found by Cheapflights users on 9/19. 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 11/203:13 pm -
1 stop6h 42m
Fri 11/276:15 am -
Nonstop4h 45m
Deal found 9/19![Delta logo]()
$400
Last-minute flights from Seattle to AustinDiscover last-minute flight deals from Seattle to Austin. Data last updated September 22, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Austin. Data last updated September 22, 2026 and is based on user searches.
This iWofly deal was found by Cheapflights users on 9/20. 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 9/269:03 am -
Nonstop4h 18m
Sat 9/264:24 pm -
Nonstop4h 32m
Deal found 9/20![Alaska Airlines logo]()
$269
This Cheapflightsfares deal was found by Cheapflights users on 9/18. 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 10/64:27 pm -
1 stop25h 02m
Tue 10/208:21 pm -
1 stop20h 51m
Deal found 9/18![Frontier logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/95:08 pm -
Nonstop4h 06m
Sun 12/610:51 pm -
1 stop16h 11m
Deal found 9/17![Multiple Airlines logo]()
$260
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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 10/95:08 pm -
Nonstop4h 06m
Sun 12/68:30 am -
Nonstop4h 47m
Deal found 9/17![Alaska Airlines logo]()
$264
This Southwest deal was found by Cheapflights users on 9/17. 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 10/1212:10 am -
1 stop10h 25m
Tue 10/2712:55 pm -
2 stops8h 10m
Deal found 9/17![Southwest logo]()
$263
This American Airlines deal was found by Cheapflights users on 9/17. 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 10/135:00 am -
1 stop8h 39m
Tue 10/274:29 pm -
1 stop7h 28m
Deal found 9/17![American Airlines logo]()
$244
This Cheapflightsfares deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/199:16 pm -
1 stop13h 01m
Thu 10/2212:18 pm -
1 stop23h 30m
Deal found 9/19![Frontier logo]()
$242
This CheapOair deal was found by Cheapflights users on 9/21. 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 10/269:16 pm -
1 stop13h 06m
Thu 10/298:21 pm -
1 stop20h 51m
Deal found 9/21![Frontier logo]()
$268
This Southwest deal was found by Cheapflights users on 9/17. 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 10/285:35 am -
2 stops8h 15m
Mon 11/24:05 pm -
2 stops10h 35m
Deal found 9/17![Southwest logo]()
$232
This Cheapflightsfares deal was found by Cheapflights users on 9/19. 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 10/304:27 pm -
1 stop24h 59m
Mon 11/21:08 pm -
1 stop23h 51m
Deal found 9/19![Frontier logo]()
$254
This Priceline deal was found by Cheapflights users on 9/17. 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.
Fri 10/305:08 pm -
Nonstop4h 06m
Mon 11/27:07 pm -
Nonstop4h 38m
Deal found 9/17![Alaska Airlines logo]()
$257
One-way flights from Seattle to AustinSearch for one-way flight options from Seattle to Austin. Find affordable one-way fares based on user searches. Data last updated September 22, 2026.
Search for one-way flight options from Seattle to Austin. Find affordable one-way fares based on user searches. Data last updated September 22, 2026.
This Southwest deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/299:00 am -
Nonstop4h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Southwest logo]()
$149
This Mytrip deal was found by Cheapflights users on 9/20. 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.
Mon 11/168:09 pm -
2 stops21h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Frontier logo]()
$150
This Southwest deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3012:15 am -
2 stops12h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Southwest logo]()
$152
This Mytrip deal was found by Cheapflights users on 9/17. 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.
Mon 10/268:00 pm -
2 stops13h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 11/38:09 pm -
2 stops21h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Frontier logo]()
$154
This Southwest deal was found by Cheapflights users on 9/22. 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 10/68:55 am -
Nonstop4h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Southwest logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 9/22. 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 11/158:09 pm -
2 stops38h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Frontier logo]()
$156
This Cheapflightsfares deal was found by Cheapflights users on 9/18. 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 11/184:27 pm -
1 stop24h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Frontier logo]()
$157
This United Airlines deal was found by Cheapflights users on 9/21. 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.
Tue 10/207:11 am -
1 stop7h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![United Airlines logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 10/2712:14 pm -
2 stops29h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 9/20. 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 11/28:09 pm -
2 stops21h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Frontier logo]()
$161
This Southwest deal was found by Cheapflights users on 9/22. 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 10/309:00 am -
Nonstop4h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Southwest logo]()
$162
Find flight deals from Seattle to Austin
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Austin (AUS). 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 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $232 (Southwest) |
One-way from | $149 (Southwest) |
Popular in | July |
Cheapest in | January |
Average price | $356 |
Good round-trip deal | $328 or less |
Good one-way deal | $188 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Austin 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 22, 2026.
Use the filters below to find and compare flights from Seattle to Austin that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleAustin
SEA Seattle/Tacoma Intl - AUS Austin Bergstrom
SEAAUS
Seattle/Tacoma Intl
Fri 10/23
11:59 pm-8:47 am
1 stop6h 48m
Austin Bergstrom
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$149
SeattleAustin
SEA Seattle/Tacoma Intl - AUS Austin Bergstrom
SEAAUS
Seattle/Tacoma Intl
Sun 11/8
11:59 pm-8:31 am
1 stop6h 32m
Austin Bergstrom
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$149
SeattleAustin
SEA Seattle/Tacoma Intl - AUS Austin Bergstrom
SEAAUS
Seattle/Tacoma Intl
Wed 11/11
12:45 pm-11:15 pm
2 stops8h 30m
Austin Bergstrom
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$164
Quickest round-trip
SeattleAustin
SEA Seattle/Tacoma Intl - AUS Austin Bergstrom
SEAAUS
Seattle/Tacoma Intl
Sat 10/10
5:49 pm-11:59 pm
Nonstop4h 10m
Austin Bergstrom
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$179
SeattleAustin
SEA Seattle/Tacoma Intl - AUS Austin Bergstrom
SEAAUS
Seattle/Tacoma Intl
Tue 10/13
6:39 am-10:27 pm
2 stops13h 48m
Austin Bergstrom
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$191
SeattleAustin
SEA Seattle/Tacoma Intl - AUS Austin Bergstrom
SEAAUS
Seattle/Tacoma Intl
Fri 10/9
6:43 pm-8:47 am
2 stops12h 04m
Austin Bergstrom
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$204
SeattleAustin
SEA Seattle/Tacoma Intl - AUS Austin Bergstrom
SEAAUS
Seattle/Tacoma Intl
Sun 11/15
3:53 pm-11:59 pm
1 stop6h 06m
Austin Bergstrom
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$219
SeattleAustin
SEA Seattle/Tacoma Intl - AUS Austin Bergstrom
SEAAUS
Seattle/Tacoma Intl
Sat 10/10
9:05 am-10:54 pm
2 stops11h 49m
Austin Bergstrom
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$224
SeattleAustin
SEA Seattle/Tacoma Intl - AUS Austin Bergstrom
SEAAUS
Seattle/Tacoma Intl
Fri 12/18
7:31 am-4:43 pm
1 stop7h 12m
Austin Bergstrom
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$239
SeattleAustin
SEA Seattle/Tacoma Intl - AUS Austin Bergstrom
SEAAUS
Seattle/Tacoma Intl
Fri 11/27
2:35 pm-12:40 am
1 stop8h 05m
Austin Bergstrom
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$249
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Seattle to Austin
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 Austin in September.
| 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 Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Seattle-Austin flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Austin flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Austin flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Austin 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-Austin 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 Austin
Have a flexible travel schedule? Discover the best time to fly to Austin from Seattle with our price prediction graph.
SEA-AUS
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 Austin
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How far ahead should I book a flight from Seattle to Austin?
The best time to book flights from Seattle to Austin is 29 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 Austin?
Currently, January is the cheapest month in which you can book a flight from Seattle to Austin (average of $254). Flying from Seattle to Austin in July is currently the most expensive (average of $392). 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 AUS?
Find hourly flight availability from Seattle to Austin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 22, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 11% on flights from Seattle to Austin by exploring options for tickets in the afternoon.
What’s the top layover airport for flights from Seattle to Austin?
Share of 1-stop round-trip flights from Seattle to Austin chosen by Cheapflights users in the past 12 months, using the same layover each way.
Phoenix (PHX) – chosen by Cheapflights users on 60% of 1-stop itineraries from Seattle to Austin on Cheapflights.
What’s the cheapest layover airport for flights from Seattle to Austin?
Average round-trip fare for 1-stop flights from Seattle to Austin, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $225.
What’s the fastest layover option from Seattle to Austin?
Shortest average travel time for 1-stop one-way flights from Seattle to Austin, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Phoenix (PHX) have the shortest average one-way travel time for 1-stop routes: 6h 10m.
Which airport typically offers the quickest layover for flights from Seattle to Austin?
Average layover duration for 1-stop one-way flights from Seattle to Austin, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Phoenix (PHX) offer the fastest connection on this route, with an average layover time of 0h 58m.
The best insider tips for Seattle to Austin 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 Austin trip
Our travel experts
Reviews of airlines servicing Austin
Get insights into the airlines that provide service to Austin. 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 Austin. Reviews last updated September 22, 2026.
Peruse reviews from past customers who have flown with Southwest,Alaska Airlines, andDelta from Seattle to Austin 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.
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
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 Austin. 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 Austin?
Book flights to Austin if you plan to visit one of these locationsCedar Park
Round Rock
San Marcos
Bastrop
Fredericksburg
Pflugerville
Dripping Springs
Georgetown
Seguin
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Seattle and Austin flights
Browse other Seattle and Austin flight options. Last updated on September 22, 2026.
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Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on September 22, 2026.
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Top 6 airlines flying from Seattle to Austin
Discover the top 6 airlines that operate flights from Seattle to Austin. 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 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$146 | Average$292 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$176 | Average$367 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$194 | Average$354 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$232 | Average$397 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$256 | Average$377 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$306 | Average$667 | FlexibilityNo cancel fee | On-time71% |