$117+ Cheap flights from Seattle to Austin (SEA - AUS)
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 4/24. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — AUS
Apr 22 — Apr 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 September, booked 89 days in advance, depart on a Wednesday 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 March 23, 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 March 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 4/1312:42 pm
SEA
- AUS
1 stop26h 36m
Frontier
Thu 4/169:31 pm
AUS
- SEA
1 stop19h 34m
Frontier
Deal found 3/20![Frontier logo]()
$190
This CheapOair deal was found by Cheapflights users on 3/23. 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 4/109:34 pm
SEA
- AUS
1 stop19h 13m
Frontier
Mon 4/1311:00 am
AUS
- SEA
1 stop24h 27m
Frontier
Deal found 3/23![Frontier logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1310:09 pm
SEA
- AUS
2 stops17h 09m
Frontier
Tue 4/216:13 pm
AUS
- SEA
1 stop17h 14m
Frontier
Deal found 3/19![Frontier logo]()
$192
This CheapOair deal was found by Cheapflights users on 3/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:12 pm
SEA
- AUS
1 stop20h 06m
Frontier
Fri 4/249:47 pm
AUS
- SEA
1 stop13h 40m
Frontier
Deal found 3/20![Frontier logo]()
$196
This Delta deal was found by Cheapflights users on 3/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/259:10 am
SEA
- AUS
Nonstop4h 10m
Delta
Tue 4/286:00 am
AUS
- SEA
Nonstop4h 40m
Delta
Deal found 3/18![Delta logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 3/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:07 pm
SEA
- AUS
1 stop11h 58m
Frontier
Mon 4/209:31 pm
AUS
- SEA
1 stop13h 56m
Frontier
Deal found 3/21![Frontier logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 3/18. 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.
Sat 4/1112:42 pm
SEA
- AUS
1 stop9h 39m
Frontier
Tue 4/216:13 pm
AUS
- SEA
1 stop17h 14m
Frontier
Deal found 3/18![Frontier logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 3/23. 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 4/139:34 pm
SEA
- AUS
2 stops17h 44m
Frontier
Mon 4/209:31 pm
AUS
- SEA
1 stop13h 56m
Frontier
Deal found 3/23![Frontier logo]()
$204
This Frontier deal was found by Cheapflights users on 3/23. 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.
Wed 4/158:07 pm
SEA
- AUS
1 stop11h 58m
Frontier
Fri 4/249:47 pm
AUS
- SEA
1 stop13h 40m
Frontier
Deal found 3/23![Frontier logo]()
$205
This Expedia deal was found by Cheapflights users on 3/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/912:42 pm
SEA
- AUS
1 stop19h 23m
Frontier
Mon 4/1311:00 am
AUS
- SEA
1 stop24h 27m
Frontier
Deal found 3/20![Frontier logo]()
$206
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 4/1312:42 pm
SEA
- AUS
1 stop9h 39m
Frontier
Tue 4/146:13 pm
AUS
- SEA
1 stop17h 14m
Frontier
Deal found 3/20![Frontier logo]()
$207
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 March 23, 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 March 23, 2026.
This Delta deal was found by Cheapflights users on 3/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/171:45 pm
SEA
- AUS
1 stop7h 50m
Delta
Tue 4/216:00 am
AUS
- SEA
Nonstop4h 40m
Delta
Deal found 3/18![Delta logo]()
$209
This Southwest deal was found by Cheapflights users on 3/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3011:55 pm
SEA
- AUS
1 stop8h 15m
Southwest
Sat 5/23:15 pm
AUS
- SEA
2 stops9h 15m
Southwest
Deal found 3/19![Southwest logo]()
$224
This Alaska Airlines deal was found by Cheapflights users on 3/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:13 am
SEA
- AUS
Nonstop4h 26m
Alaska Airlines
Mon 5/116:00 am
AUS
- SEA
Nonstop4h 39m
Alaska Airlines
Deal found 3/20![Alaska Airlines logo]()
$317
This United Airlines deal was found by Cheapflights users on 3/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/258:42 am
SEA
- AUS
2 stops11h 00m
United Airlines
Mon 5/46:25 pm
AUS
- SEA
1 stop6h 34m
United Airlines
Deal found 3/19![United Airlines logo]()
$324
This Delta deal was found by Cheapflights users on 3/19. 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 5/111:59 pm
SEA
- AUS
1 stop8h 18m
Delta
Mon 5/46:00 am
AUS
- SEA
Nonstop4h 40m
Delta
Deal found 3/19![Delta logo]()
$209
This Delta deal was found by Cheapflights users on 3/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/115:48 pm
SEA
- AUS
Nonstop4h 11m
Delta
Fri 5/156:00 am
AUS
- SEA
Nonstop4h 29m
Delta
Deal found 3/18![Delta logo]()
$278
This Southwest deal was found by Cheapflights users on 3/18. 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 4/236:15 am
SEA
- AUS
2 stops8h 25m
Southwest
Mon 4/275:50 pm
AUS
- SEA
1 stop6h 45m
Southwest
Deal found 3/18![Southwest logo]()
$309
This Delta deal was found by Cheapflights users on 3/19. 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.
Thu 4/165:45 pm
SEA
- AUS
Nonstop4h 03m
Delta
Thu 4/236:00 am
AUS
- SEA
Nonstop4h 40m
Delta
Deal found 3/19![Delta logo]()
$289
This Southwest deal was found by Cheapflights users on 3/18. 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 5/711:55 pm
SEA
- AUS
2 stops10h 00m
Southwest
Sat 5/167:05 am
AUS
- SEA
1 stop8h 25m
Southwest
Deal found 3/18![Southwest logo]()
$329
This Southwest deal was found by Cheapflights users on 3/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/75:15 am
SEA
- AUS
1 stop9h 55m
Southwest
Sun 5/106:05 am
AUS
- SEA
2 stops9h 35m
Southwest
Deal found 3/19![Southwest logo]()
$343
This Delta deal was found by Cheapflights users on 3/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:15 am
SEA
- AUS
Nonstop4h 10m
Delta
Fri 5/86:00 am
AUS
- SEA
Nonstop4h 29m
Delta
Deal found 3/20![Delta logo]()
$318
This Delta deal was found by Cheapflights users on 3/22. 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.
Wed 4/225:45 pm
SEA
- AUS
Nonstop4h 03m
Delta
Sun 4/268:15 am
AUS
- SEA
1 stop6h 10m
Delta
Deal found 3/22![Delta logo]()
$357
Last-minute flights from Seattle to AustinDiscover last-minute flight deals from Seattle to Austin. Data last updated March 23, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Austin. Data last updated March 23, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 3/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/912:42 pm
SEA
- AUS
1 stop19h 23m
Frontier
Mon 4/1311:00 am
AUS
- SEA
1 stop24h 27m
Frontier
Deal found 3/20![Frontier logo]()
$206
This CheapOair deal was found by Cheapflights users on 3/23. 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 4/109:34 pm
SEA
- AUS
1 stop19h 13m
Frontier
Mon 4/1311:00 am
AUS
- SEA
1 stop24h 27m
Frontier
Deal found 3/23![Frontier logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 3/18. 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.
Sat 4/1112:42 pm
SEA
- AUS
1 stop9h 39m
Frontier
Tue 4/216:13 pm
AUS
- SEA
1 stop17h 14m
Frontier
Deal found 3/18![Frontier logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 4/1312:42 pm
SEA
- AUS
1 stop26h 36m
Frontier
Thu 4/169:31 pm
AUS
- SEA
1 stop19h 34m
Frontier
Deal found 3/20![Frontier logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1310:09 pm
SEA
- AUS
2 stops17h 09m
Frontier
Tue 4/216:13 pm
AUS
- SEA
1 stop17h 14m
Frontier
Deal found 3/19![Frontier logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 3/23. 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 4/139:34 pm
SEA
- AUS
2 stops17h 44m
Frontier
Mon 4/209:31 pm
AUS
- SEA
1 stop13h 56m
Frontier
Deal found 3/23![Frontier logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 4/1312:42 pm
SEA
- AUS
1 stop9h 39m
Frontier
Tue 4/146:13 pm
AUS
- SEA
1 stop17h 14m
Frontier
Deal found 3/20![Frontier logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 3/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:07 pm
SEA
- AUS
1 stop11h 58m
Frontier
Mon 4/209:31 pm
AUS
- SEA
1 stop13h 56m
Frontier
Deal found 3/21![Frontier logo]()
$202
This Frontier deal was found by Cheapflights users on 3/23. 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.
Wed 4/158:07 pm
SEA
- AUS
1 stop11h 58m
Frontier
Fri 4/249:47 pm
AUS
- SEA
1 stop13h 40m
Frontier
Deal found 3/23![Frontier logo]()
$205
This CheapOair deal was found by Cheapflights users on 3/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:12 pm
SEA
- AUS
1 stop20h 06m
Frontier
Fri 4/249:47 pm
AUS
- SEA
1 stop13h 40m
Frontier
Deal found 3/20![Frontier logo]()
$196
This Delta deal was found by Cheapflights users on 3/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/259:10 am
SEA
- AUS
Nonstop4h 10m
Delta
Tue 4/286:00 am
AUS
- SEA
Nonstop4h 40m
Delta
Deal found 3/18![Delta logo]()
$199
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 March 23, 2026.
Search for one-way flight options from Seattle to Austin. Find affordable one-way fares based on user searches. Data last updated March 23, 2026.
This CheapOair deal was found by Cheapflights users on 3/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/244:20 pm
SEA
- AUS
1 stop25h 35m
Frontier
Deal found 3/18![Frontier logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 3/23. 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 4/199:54 pm
SEA
- AUS
2 stops41h 24m
Frontier
Deal found 3/23![Frontier logo]()
$119
This Delta deal was found by Cheapflights users on 3/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/245:45 pm
SEA
- AUS
Nonstop4h 03m
Delta
Deal found 3/18![Delta logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 3/23. 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 4/207:12 pm
SEA
- AUS
1 stop20h 06m
Frontier
Deal found 3/23![Frontier logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 3/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/177:12 pm
SEA
- AUS
1 stop22h 43m
Frontier
Deal found 3/21![Frontier logo]()
$123
This United Airlines deal was found by Cheapflights users on 3/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:00 am
SEA
- AUS
2 stops9h 26m
United Airlines
Deal found 3/18![United Airlines logo]()
$125
This iWofly deal was found by Cheapflights users on 3/23. 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.
Thu 5/77:50 pm
SEA
- AUS
1 stop22h 28m
Frontier
Deal found 3/23![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 3/20. 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.
Tue 4/2110:57 am
SEA
- AUS
2 stops28h 21m
Frontier
Deal found 3/20![Frontier logo]()
$127
This Super.com deal was found by Cheapflights users on 3/20. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/227:50 pm
SEA
- AUS
1 stop15h 43m
Frontier
Deal found 3/20![Frontier logo]()
$129
This Delta deal was found by Cheapflights users on 3/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:15 am
SEA
- AUS
Nonstop4h 10m
Delta
Deal found 3/18![Delta logo]()
$130
This Frontier deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/237:50 pm
SEA
- AUS
1 stop11h 53m
Frontier
Deal found 3/23![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 5/1811:37 am
SEA
- AUS
2 stops44h 58m
Frontier
Deal found 3/20![Frontier logo]()
$133
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 March 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $190 (Kiwi.com) |
One-way from | $117 (CheapOair) |
Popular in | June |
Cheapest in | January |
Average price | $337 |
Good round-trip deal | $237 or less |
Good one-way deal | $148 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 2,558,603 searches. Data last updated March 23, 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 - AUS
SEAAUS
Seattle/Tacoma Intl
Fri 4/17
1:45 pm-11:35 pm
1 stop7h 50m
Austin Bergstrom
Tue 4/21
6:00 am-8:40 am
Nonstop4h 40m
$209
SeattleAustin
SEA - AUS
SEAAUS
Seattle/Tacoma Intl
Fri 5/1
11:59 pm-10:17 am
1 stop8h 18m
Austin Bergstrom
Mon 5/4
6:00 am-8:40 am
Nonstop4h 40m
$209
SeattleAustin
SEA - AUS
SEAAUS
Seattle/Tacoma Intl
Thu 4/30
11:55 pm-10:10 am
1 stop8h 15m
Austin Bergstrom
Sat 5/2
3:15 pm-10:30 pm
2 stops9h 15m
$224
SeattleAustin
SEA - AUS
SEAAUS
Seattle/Tacoma Intl
Mon 5/11
5:48 pm-11:59 pm
Nonstop4h 11m
Austin Bergstrom
Fri 5/15
6:00 am-8:29 am
Nonstop4h 29m
$278
SeattleAustin
SEA - AUS
SEAAUS
Seattle/Tacoma Intl
Thu 4/16
5:45 pm-11:48 pm
Nonstop4h 03m
Austin Bergstrom
Thu 4/23
6:00 am-8:40 am
Nonstop4h 40m
$289
SeattleAustin
SEA - AUS
SEAAUS
Seattle/Tacoma Intl
Thu 4/23
6:15 am-4:40 pm
2 stops8h 25m
Austin Bergstrom
Mon 4/27
5:50 pm-10:35 pm
1 stop6h 45m
$309
SeattleAustin
SEA - AUS
SEAAUS
Seattle/Tacoma Intl
Mon 5/4
8:13 am-2:39 pm
Nonstop4h 26m
Austin Bergstrom
Mon 5/11
6:00 am-8:39 am
Nonstop4h 39m
$317
Quickest round-trip
SeattleAustin
SEA - AUS
SEAAUS
Seattle/Tacoma Intl
Tue 5/5
7:15 am-1:25 pm
Nonstop4h 10m
Austin Bergstrom
Fri 5/8
6:00 am-8:29 am
Nonstop4h 29m
$318
SeattleAustin
SEA - AUS
SEAAUS
Seattle/Tacoma Intl
Sat 4/25
8:42 am-9:42 pm
2 stops11h 00m
Austin Bergstrom
Mon 5/4
6:25 pm-10:59 pm
1 stop6h 34m
$324
SeattleAustin
SEA - AUS
SEAAUS
Seattle/Tacoma Intl
Thu 5/7
11:55 pm-11:55 am
2 stops10h 00m
Austin Bergstrom
Sat 5/16
7:05 am-1:30 pm
1 stop8h 25m
$329
Showing 1-10 of 24 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 March.
| 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 Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | 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?
Use this chart to determine the optimal time to book a round-trip flight from Seattle to Austin. Price data was last updated on March 13, 2026.
The best time to book flights from Seattle to Austin is 89 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, August is the cheapest month in which you can book a flight from Seattle to Austin (average of $123). Flying from Seattle to Austin in June is currently the most expensive (average of $223). 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 March 23, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 18% 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 75% 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.
Portland (PDX) is the most affordable 1-stop option, with an average round-trip price of $426.
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 March 23, 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.
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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
San Marcos
Fredericksburg
Round Rock
Pflugerville
Georgetown
Bastrop
Dripping Springs
Canyon Lake
Seguin
Horseshoe Bay
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.
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Other flights to Austin
Explore flights to Austin departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 23, 2026.
Complete your trip
Complete your trip to Austin by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to Austin by cabin class
Find flights from Seattle to Austin, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Austin flights
Browse other Seattle and Austin flight options. Last updated on March 23, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on March 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 7 airlines flying from Seattle to Austin
Discover the top 7 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 2,558,603 searches. Data last updated March 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$118 | Average$301 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$131 | Average$223 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$164 | Average$326 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$194 | Average$340 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$202 | Average$416 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$252 | Average$363 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$286 | Average$597 | FlexibilityNo cancel fee | On-time71% |