$151+ 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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — AUS
Sep 10 — Sep 171
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 89 days in advance, depart on a Sunday or Wednesday 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 August 11, 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 August 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 9/129:45 pm -
1 stop11h 30m
Mon 9/218:24 pm -
1 stop20h 44m
Deal found 8/10![Frontier logo]()
$238
This Southwest deal was found by Cheapflights users on 8/10. 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 9/1712:35 pm -
Nonstop4h 10m
Thu 9/247:20 pm -
Nonstop4h 25m
Deal found 8/10![Southwest logo]()
$239
This Southwest deal was found by Cheapflights users on 8/10. 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 9/129:15 am -
1 stop9h 35m
Tue 9/153:45 pm -
1 stop9h 25m
Deal found 8/10![Southwest logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 9/104:27 pm -
1 stop18h 03m
Wed 9/163:32 pm -
1 stop20h 10m
Deal found 8/10![Frontier logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 9/104:27 pm -
1 stop18h 03m
Sun 9/1311:04 pm -
1 stop12h 38m
Deal found 8/10![Frontier logo]()
$242
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 9/104:27 pm -
1 stop18h 03m
Thu 9/1711:04 pm -
1 stop12h 38m
Deal found 8/10![Frontier logo]()
$243
This Expedia deal was found by Cheapflights users on 8/7. 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 9/22:37 pm -
1 stop7h 04m
Tue 9/88:15 pm -
1 stop20h 53m
Deal found 8/7![Frontier logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 9/12:37 pm -
1 stop7h 04m
Fri 9/111:25 pm -
2 stops22h 17m
Deal found 8/10![Frontier logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 9/154:27 pm -
1 stop25h 02m
Tue 9/228:24 pm -
1 stop20h 44m
Deal found 8/6![Frontier logo]()
$247
This Expedia deal was found by Cheapflights users on 8/10. 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 10/79:45 pm -
1 stop11h 51m
Thu 10/810:24 pm -
1 stop21h 21m
Deal found 8/10![Frontier logo]()
$248
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 9/88:48 pm -
1 stop15h 49m
Mon 9/148:24 pm -
1 stop20h 44m
Deal found 8/9![Frontier logo]()
$250
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 August 11, 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 August 11, 2026.
This Southwest deal was found by Cheapflights users on 8/10. 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 10/159:00 am -
Nonstop4h 05m
Fri 10/233:40 pm -
Nonstop4h 30m
Deal found 8/10![Southwest logo]()
$273
This Alaska Airlines deal was found by Cheapflights users on 8/8. 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 9/195:06 pm -
Nonstop4h 08m
Tue 9/228:30 am -
Nonstop4h 30m
Deal found 8/8![Alaska Airlines logo]()
$317
This Delta deal was found by Cheapflights users on 8/9. 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 9/115:50 pm -
Nonstop4h 05m
Sun 9/136:09 am -
Nonstop4h 31m
Deal found 8/9![Delta logo]()
$360
This Southwest deal was found by Cheapflights users on 8/10. 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 10/15:10 pm -
1 stop6h 40m
Sun 10/46:15 pm -
Nonstop4h 30m
Deal found 8/10![Southwest logo]()
$318
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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 9/118:49 pm -
1 stop14h 26m
Tue 9/228:30 am -
Nonstop4h 30m
Deal found 8/10![Alaska Airlines logo]()
$321
This Southwest deal was found by Cheapflights users on 8/10. 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 9/1411:00 pm -
1 stop7h 20m
Mon 9/217:20 pm -
Nonstop4h 25m
Deal found 8/10![Southwest logo]()
$328
This Delta deal was found by Cheapflights users on 8/8. 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 10/276:05 pm -
Nonstop4h 38m
Deal found 8/8![Delta logo]()
$368
This Alaska Airlines deal was found by Cheapflights users on 8/6. 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 8/295:06 pm -
Nonstop4h 08m
Tue 9/18:30 am -
Nonstop4h 30m
Deal found 8/6![Alaska Airlines logo]()
$371
This Southwest deal was found by Cheapflights users on 8/10. 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 9/911:05 pm -
2 stops11h 40m
Wed 9/1612:00 pm -
2 stops10h 20m
Deal found 8/10![Southwest logo]()
$350
This Southwest deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/411:00 pm -
1 stop7h 35m
Fri 9/117:20 pm -
Nonstop4h 25m
Deal found 8/7![Southwest logo]()
$370
Last-minute flights from Seattle to AustinDiscover last-minute flight deals from Seattle to Austin. Data last updated August 11, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Austin. Data last updated August 11, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 9/12:37 pm -
1 stop7h 04m
Fri 9/111:25 pm -
2 stops22h 17m
Deal found 8/10![Frontier logo]()
$246
This Expedia deal was found by Cheapflights users on 8/7. 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 9/22:37 pm -
1 stop7h 04m
Tue 9/88:15 pm -
1 stop20h 53m
Deal found 8/7![Frontier logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 9/88:48 pm -
1 stop15h 49m
Mon 9/148:24 pm -
1 stop20h 44m
Deal found 8/9![Frontier logo]()
$250
This Frontier deal was found by Cheapflights users on 8/10. 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 9/99:45 pm -
1 stop11h 30m
Sun 9/1311:04 pm -
1 stop12h 38m
Deal found 8/10![Frontier logo]()
$248
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 9/104:27 pm -
1 stop18h 03m
Wed 9/163:32 pm -
1 stop20h 10m
Deal found 8/10![Frontier logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 9/104:27 pm -
1 stop18h 03m
Sun 9/1311:04 pm -
1 stop12h 38m
Deal found 8/10![Frontier logo]()
$242
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 9/104:27 pm -
1 stop18h 03m
Thu 9/1711:04 pm -
1 stop12h 38m
Deal found 8/10![Frontier logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 9/129:45 pm -
1 stop11h 30m
Mon 9/218:24 pm -
1 stop20h 44m
Deal found 8/10![Frontier logo]()
$238
This Southwest deal was found by Cheapflights users on 8/10. 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 9/129:15 am -
1 stop9h 35m
Tue 9/153:45 pm -
1 stop9h 25m
Deal found 8/10![Southwest logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 9/154:27 pm -
1 stop25h 02m
Tue 9/228:24 pm -
1 stop20h 44m
Deal found 8/6![Frontier logo]()
$247
This Southwest deal was found by Cheapflights users on 8/10. 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 9/1712:35 pm -
Nonstop4h 10m
Thu 9/247:20 pm -
Nonstop4h 25m
Deal found 8/10![Southwest logo]()
$239
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 August 11, 2026.
Search for one-way flight options from Seattle to Austin. Find affordable one-way fares based on user searches. Data last updated August 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/218:15 pm -
2 stops21h 14m
Deal found 8/6![Frontier logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 10/127:41 pm -
2 stops36h 07m
Deal found 8/6![Frontier logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 9/119:45 pm -
1 stop14h 52m
Deal found 8/10![Frontier logo]()
$153
This Southwest deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2512:35 pm -
Nonstop4h 10m
Deal found 8/9![Southwest logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 10/58:15 pm -
2 stops35h 48m
Deal found 8/8![Frontier logo]()
$156
This Super.com deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/252:37 pm -
1 stop7h 04m
Deal found 8/9![Frontier logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:06 pm -
1 stop22h 24m
Deal found 8/7![Frontier logo]()
$158
This Southwest deal was found by Cheapflights users on 8/6. 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 9/152:05 pm -
Nonstop4h 20m
Deal found 8/6![Southwest logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 10/38:15 pm -
2 stops35h 48m
Deal found 8/9![Frontier logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 9/188:15 pm -
2 stops21h 14m
Deal found 8/9![Frontier 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 August 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $239 (Southwest) |
One-way from | $151 (Kiwi.com) |
Popular in | July |
Cheapest in | January |
Average price | $368 |
Good round-trip deal | $317 or less |
Good one-way deal | $226 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 August 11, 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
Quickest round-trip
SeattleAustin
SEA Seattle/Tacoma Intl - AUS Austin Bergstrom
SEAAUS
Seattle/Tacoma Intl
Thu 10/15
9:00 am-3:05 pm
Nonstop4h 05m
Austin Bergstrom
Fri 10/23
3:40 pm-6:10 pm
Nonstop4h 30m
$273
SeattleAustin
SEA Seattle/Tacoma Intl - AUS Austin Bergstrom
SEAAUS
Seattle/Tacoma Intl
Sat 9/19
5:06 pm-11:14 pm
Nonstop4h 08m
Austin Bergstrom
Tue 9/22
8:30 am-11:00 am
Nonstop4h 30m
$317
SeattleAustin
SEA Seattle/Tacoma Intl - AUS Austin Bergstrom
SEAAUS
Seattle/Tacoma Intl
Thu 10/1
5:10 pm-1:50 am
1 stop6h 40m
Austin Bergstrom
Sun 10/4
6:15 pm-8:45 pm
Nonstop4h 30m
$318
SeattleAustin
SEA Seattle/Tacoma Intl - AUS Austin Bergstrom
SEAAUS
Seattle/Tacoma Intl
Fri 9/11
8:49 pm-1:15 pm
1 stop14h 26m
Austin Bergstrom
Tue 9/22
8:30 am-11:00 am
Nonstop4h 30m
$321
SeattleAustin
SEA Seattle/Tacoma Intl - AUS Austin Bergstrom
SEAAUS
Seattle/Tacoma Intl
Mon 9/14
11:00 pm-8:20 am
1 stop7h 20m
Austin Bergstrom
Mon 9/21
7:20 pm-9:45 pm
Nonstop4h 25m
$328
SeattleAustin
SEA Seattle/Tacoma Intl - AUS Austin Bergstrom
SEAAUS
Seattle/Tacoma Intl
Wed 9/9
11:05 pm-12:45 pm
2 stops11h 40m
Austin Bergstrom
Wed 9/16
12:00 pm-8:20 pm
2 stops10h 20m
$350
SeattleAustin
SEA Seattle/Tacoma Intl - AUS Austin Bergstrom
SEAAUS
Seattle/Tacoma Intl
Fri 9/11
5:50 pm-11:55 pm
Nonstop4h 05m
Austin Bergstrom
Sun 9/13
6:09 am-8:40 am
Nonstop4h 31m
$360
SeattleAustin
SEA Seattle/Tacoma Intl - AUS Austin Bergstrom
SEAAUS
Seattle/Tacoma Intl
Fri 10/23
5:40 pm-11:50 pm
Nonstop4h 10m
Austin Bergstrom
Tue 10/27
6:05 pm-8:43 pm
Nonstop4h 38m
$368
SeattleAustin
SEA Seattle/Tacoma Intl - AUS Austin Bergstrom
SEAAUS
Seattle/Tacoma Intl
Fri 9/4
11:00 pm-8:35 am
1 stop7h 35m
Austin Bergstrom
Fri 9/11
7:20 pm-9:45 pm
Nonstop4h 25m
$370
SeattleAustin
SEA Seattle/Tacoma Intl - AUS Austin Bergstrom
SEAAUS
Seattle/Tacoma Intl
Sat 8/29
5:06 pm-11:14 pm
Nonstop4h 08m
Austin Bergstrom
Tue 9/1
8:30 am-11:00 am
Nonstop4h 30m
$371
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 August.
| 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 |
- 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
Prices
Airlines
More
How far ahead should I book a flight from Seattle to Austin?
The best time to book flights from Seattle to Austin is 88 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 $253). 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 August 11, 2026.
Unlike in the evening, when flights are generally more expensive, you can save up to 15% 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
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Cheapflights partnered with top experts to bring you the best recommendations for your Seattle to Austin trip
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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 August 11, 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.
Overall
8.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
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 locationsRound Rock
Cedar Park
San Marcos
Bastrop
Fredericksburg
Pflugerville
Dripping Springs
Georgetown
Seguin
Canyon Lake
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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 August 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$108 | Average$397 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$133 | Average$282 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$177 | Average$356 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$193 | Average$352 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$232 | Average$427 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$277 | Average$387 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$366 | Average$691 | FlexibilityNo cancel fee | On-time71% |