$123+ 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — AUS
May 3 — May 101
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 April 3, 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 April 3, 2026.
This CheapOair deal was found by Cheapflights users on 3/31. 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 4/2411:01 am
AUS
- SEA
1 stop24h 26m
Frontier
Deal found 3/31![Frontier logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/37:12 pm
SEA
- AUS
1 stop12h 53m
Frontier
Sat 5/99:13 pm
AUS
- SEA
1 stop14h 36m
Frontier
Deal found 3/30![Frontier logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/274:20 pm
SEA
- AUS
1 stop22h 58m
Frontier
Fri 5/19:47 pm
AUS
- SEA
1 stop13h 40m
Frontier
Deal found 3/30![Frontier logo]()
$195
This CheapOair deal was found by Cheapflights users on 3/31. 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 5/14:20 pm
SEA
- AUS
1 stop25h 35m
Frontier
Mon 5/49:47 pm
AUS
- SEA
1 stop14h 02m
Frontier
Deal found 3/31![Frontier logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:50 pm
SEA
- AUS
1 stop22h 28m
Frontier
Fri 5/159:13 pm
AUS
- SEA
1 stop14h 36m
Frontier
Deal found 3/30![Frontier logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/208:45 pm
SEA
- AUS
2 stops18h 33m
Frontier
Thu 4/239:31 pm
AUS
- SEA
1 stop14h 21m
Frontier
Deal found 3/30![Frontier logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2310:57 am
SEA
- AUS
2 stops30h 21m
Frontier
Mon 4/279:47 pm
AUS
- SEA
1 stop13h 40m
Frontier
Deal found 4/3![Frontier logo]()
$199
This Gotogate deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate 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
Mon 4/209:31 pm
AUS
- SEA
1 stop13h 56m
Frontier
Deal found 4/2![Frontier logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/267:12 pm
SEA
- AUS
1 stop12h 53m
Frontier
Wed 5/69:13 pm
AUS
- SEA
1 stop14h 36m
Frontier
Deal found 3/30![Frontier logo]()
$202
This Frontier deal was found by Cheapflights users on 3/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/269:54 pm
SEA
- AUS
1 stop12h 21m
Frontier
Sun 5/39:51 pm
AUS
- SEA
1 stop13h 36m
Frontier
Deal found 3/29![Frontier logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2210:57 am
SEA
- AUS
2 stops20h 32m
Frontier
Tue 4/286:13 pm
AUS
- SEA
1 stop17h 14m
Frontier
Deal found 4/1![Frontier logo]()
$205
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 April 3, 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 April 3, 2026.
This Delta deal was found by Cheapflights users on 3/31. 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
Mon 5/46:00 am
AUS
- SEA
Nonstop4h 40m
Delta
Deal found 3/31![Delta logo]()
$263
This Southwest deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/255:45 am
SEA
- AUS
2 stops8h 35m
Southwest
Tue 4/286:05 pm
AUS
- SEA
1 stop6h 50m
Southwest
Deal found 4/2![Southwest logo]()
$273
This Alaska Airlines deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:00 am
SEA
- AUS
Nonstop4h 21m
Alaska Airlines
Wed 9/306:00 am
AUS
- SEA
1 stop8h 39m
Alaska Airlines
Deal found 4/2![Alaska Airlines logo]()
$387
This Delta deal was found by Cheapflights users on 3/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:48 pm
SEA
- AUS
Nonstop4h 11m
Delta
Tue 6/26:08 pm
AUS
- SEA
Nonstop4h 42m
Delta
Deal found 3/29![Delta logo]()
$269
This Delta deal was found by Cheapflights users on 3/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/85:48 pm
SEA
- AUS
Nonstop4h 11m
Delta
Mon 5/116:06 pm
AUS
- SEA
Nonstop4h 44m
Delta
Deal found 3/30![Delta logo]()
$293
This Delta deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/15:45 pm
SEA
- AUS
Nonstop4h 03m
Delta
Mon 5/46:00 am
AUS
- SEA
Nonstop4h 40m
Delta
Deal found 4/2![Delta logo]()
$293
This Southwest deal was found by Cheapflights users on 3/29. 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.
Fri 6/57:30 am
SEA
- AUS
2 stops7h 20m
Southwest
Mon 6/82:10 pm
AUS
- SEA
2 stops8h 00m
Southwest
Deal found 3/29![Southwest logo]()
$387
This Alaska Airlines deal was found by Cheapflights users on 3/31. 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 5/308:45 am
SEA
- AUS
1 stop6h 03m
Alaska Airlines
Tue 6/233:08 pm
AUS
- SEA
1 stop8h 50m
Alaska Airlines
Deal found 3/31![Alaska Airlines logo]()
$398
This Delta deal was found by Cheapflights users on 3/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/25:45 pm
SEA
- AUS
Nonstop4h 03m
Delta
Sun 5/176:00 am
AUS
- SEA
Nonstop4h 29m
Delta
Deal found 3/29![Delta logo]()
$387
This Delta deal was found by Cheapflights users on 3/31. 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 5/227:15 am
SEA
- AUS
Nonstop4h 15m
Delta
Tue 5/266:00 am
AUS
- SEA
Nonstop4h 29m
Delta
Deal found 3/31![Delta logo]()
$387
Last-minute flights from Seattle to AustinDiscover last-minute flight deals from Seattle to Austin. Data last updated April 3, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Austin. Data last updated April 3, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate 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
Mon 4/209:31 pm
AUS
- SEA
1 stop13h 56m
Frontier
Deal found 4/2![Frontier logo]()
$200
This CheapOair deal was found by Cheapflights users on 3/31. 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 4/2411:01 am
AUS
- SEA
1 stop24h 26m
Frontier
Deal found 3/31![Frontier logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/208:45 pm
SEA
- AUS
2 stops18h 33m
Frontier
Thu 4/239:31 pm
AUS
- SEA
1 stop14h 21m
Frontier
Deal found 3/30![Frontier logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2210:57 am
SEA
- AUS
2 stops20h 32m
Frontier
Tue 4/286:13 pm
AUS
- SEA
1 stop17h 14m
Frontier
Deal found 4/1![Frontier logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2310:57 am
SEA
- AUS
2 stops30h 21m
Frontier
Mon 4/279:47 pm
AUS
- SEA
1 stop13h 40m
Frontier
Deal found 4/3![Frontier logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/267:12 pm
SEA
- AUS
1 stop12h 53m
Frontier
Wed 5/69:13 pm
AUS
- SEA
1 stop14h 36m
Frontier
Deal found 3/30![Frontier logo]()
$202
This Frontier deal was found by Cheapflights users on 3/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/269:54 pm
SEA
- AUS
1 stop12h 21m
Frontier
Sun 5/39:51 pm
AUS
- SEA
1 stop13h 36m
Frontier
Deal found 3/29![Frontier logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/274:20 pm
SEA
- AUS
1 stop22h 58m
Frontier
Fri 5/19:47 pm
AUS
- SEA
1 stop13h 40m
Frontier
Deal found 3/30![Frontier logo]()
$195
This CheapOair deal was found by Cheapflights users on 3/31. 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 5/14:20 pm
SEA
- AUS
1 stop25h 35m
Frontier
Mon 5/49:47 pm
AUS
- SEA
1 stop14h 02m
Frontier
Deal found 3/31![Frontier logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/37:12 pm
SEA
- AUS
1 stop12h 53m
Frontier
Sat 5/99:13 pm
AUS
- SEA
1 stop14h 36m
Frontier
Deal found 3/30![Frontier logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:50 pm
SEA
- AUS
1 stop22h 28m
Frontier
Fri 5/159:13 pm
AUS
- SEA
1 stop14h 36m
Frontier
Deal found 3/30![Frontier logo]()
$197
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 April 3, 2026.
Search for one-way flight options from Seattle to Austin. Find affordable one-way fares based on user searches. Data last updated April 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 4/208:45 pm
SEA
- AUS
2 stops18h 33m
Frontier
Deal found 3/31![Frontier logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/210:57 am
SEA
- AUS
2 stops20h 32m
Frontier
Deal found 4/3![Frontier logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/18:13 pm
SEA
- AUS
1 stop12h 46m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:12 pm
SEA
- AUS
1 stop12h 53m
Frontier
Deal found 4/3![Frontier logo]()
$126
This Trip.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/267:50 pm
SEA
- AUS
1 stop11h 53m
Frontier
Deal found 4/1![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/110:06 pm
SEA
- AUS
2 stops19h 49m
Frontier
Deal found 3/30![Frontier logo]()
$128
This United Airlines deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/211:59 pm
SEA
- AUS
1 stop6h 40m
United Airlines
Deal found 4/3![United Airlines logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2910:57 am
SEA
- AUS
2 stops30h 47m
Frontier
Deal found 3/30![Frontier logo]()
$130
This Frontier deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/297:41 pm
SEA
- AUS
1 stop11h 32m
Frontier
Deal found 3/31![Frontier logo]()
$131
This Frontier deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/167:12 pm
SEA
- AUS
1 stop12h 53m
Frontier
Deal found 3/31![Frontier logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 6/27:50 pm
SEA
- AUS
1 stop11h 53m
Frontier
Deal found 3/31![Frontier logo]()
$133
This Expedia deal was found by Cheapflights users on 3/31. 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 4/226:09 pm
SEA
- AUS
Nonstop4h 15m
Alaska Airlines
Deal found 3/31![Alaska Airlines logo]()
$134
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 April 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $191 (CheapOair) |
One-way from | $123 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $347 |
Good round-trip deal | $251 or less |
Good one-way deal | $164 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 April 3, 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
Sat 4/25
9:10 am-3:20 pm
Nonstop4h 10m
Austin Bergstrom
Mon 5/4
6:00 am-8:40 am
Nonstop4h 40m
$263
SeattleAustin
SEA - AUS
SEAAUS
Seattle/Tacoma Intl
Wed 5/27
5:48 pm-11:59 pm
Nonstop4h 11m
Austin Bergstrom
Tue 6/2
6:08 pm-8:50 pm
Nonstop4h 42m
$269
SeattleAustin
SEA - AUS
SEAAUS
Seattle/Tacoma Intl
Sat 4/25
5:45 am-4:20 pm
2 stops8h 35m
Austin Bergstrom
Tue 4/28
6:05 pm-10:55 pm
1 stop6h 50m
$273
SeattleAustin
SEA - AUS
SEAAUS
Seattle/Tacoma Intl
Fri 5/8
5:48 pm-11:59 pm
Nonstop4h 11m
Austin Bergstrom
Mon 5/11
6:06 pm-8:50 pm
Nonstop4h 44m
$293
SeattleAustin
SEA - AUS
SEAAUS
Seattle/Tacoma Intl
Fri 5/1
5:45 pm-11:48 pm
Nonstop4h 03m
Austin Bergstrom
Mon 5/4
6:00 am-8:40 am
Nonstop4h 40m
$293
SeattleAustin
SEA - AUS
SEAAUS
Seattle/Tacoma Intl
Wed 9/23
9:00 am-3:21 pm
Nonstop4h 21m
Austin Bergstrom
Wed 9/30
6:00 am-12:39 pm
1 stop8h 39m
$387
SeattleAustin
SEA - AUS
SEAAUS
Seattle/Tacoma Intl
Fri 6/5
7:30 am-4:50 pm
2 stops7h 20m
Austin Bergstrom
Mon 6/8
2:10 pm-8:10 pm
2 stops8h 00m
$387
Quickest round-trip
SeattleAustin
SEA - AUS
SEAAUS
Seattle/Tacoma Intl
Sat 5/2
5:45 pm-11:48 pm
Nonstop4h 03m
Austin Bergstrom
Sun 5/17
6:00 am-8:29 am
Nonstop4h 29m
$387
SeattleAustin
SEA - AUS
SEAAUS
Seattle/Tacoma Intl
Fri 5/22
7:15 am-1:30 pm
Nonstop4h 15m
Austin Bergstrom
Tue 5/26
6:00 am-8:29 am
Nonstop4h 29m
$387
SeattleAustin
SEA - AUS
SEAAUS
Seattle/Tacoma Intl
Sat 5/30
8:45 am-4:48 pm
1 stop6h 03m
Austin Bergstrom
Tue 6/23
3:08 pm-9:58 pm
1 stop8h 50m
$398
Showing 1-10 of 20 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 April.
| 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 April 2, 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 April 3, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Austin as you normally would.
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 April 3, 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.
Crew
8.6
Overall
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
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
Round Rock
Fredericksburg
Pflugerville
Georgetown
Bastrop
Dripping Springs
Seguin
Canyon Lake
Horseshoe Bay
Browse thousands of different 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 April 3, 2026.
Complete your trip
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Seattle and Austin flights
Browse other Seattle and Austin flight options. Last updated on April 3, 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 April 3, 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 April 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$118 | Average$302 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$133 | Average$254 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$164 | Average$328 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$193 | Average$337 | 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% |