$65 Cheap Flights from Seattle (SEA) to Austin (AUS)

View $65 flight on Thu, Dec 4, 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Austin-Bergstrom Intl. Airport (AUS)

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Cheap Flights from Seattle to Austin (SEA-AUS)

Prices were available within the past 7 days and start at $65 for one-way flights and $130 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Dec 4 - Mon, Dec 8
SEA
Seattle
AUS
Austin
$130 Roundtrip, just found
$130
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Dec 4 from Seattle to Austin, returning Mon, Dec 8, priced at $130 just found
Frontier Airlines
Thu, Dec 4 - Mon, Dec 8
SEA
Seattle
AUS
Austin
$140 Roundtrip, just found
$140
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Dec 4 from Seattle to Austin, returning Mon, Dec 8, priced at $140 just found
Frontier Airlines
Thu, Dec 11 - Mon, Dec 15
SEA
Seattle
AUS
Austin
$150 Roundtrip, just found
$150
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Dec 11 from Seattle to Austin, returning Mon, Dec 15, priced at $150 just found
Southwest Airlines
Wed, Jan 28 - Sat, Jan 31
SEA
Seattle
AUS
Austin
$156 Roundtrip, found 4 days ago
$156
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Wed, Jan 28 from Seattle to Austin, returning Sat, Jan 31, priced at $156 found 4 days ago
Southwest Airlines
Wed, Jan 28 - Sat, Jan 31
SEA
Seattle
AUS
Austin
$156 Roundtrip, found 4 days ago
$156
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Wed, Jan 28 from Seattle to Austin, returning Sat, Jan 31, priced at $156 found 4 days ago
Frontier Airlines
Sat, Nov 15 - Wed, Nov 19
SEA
Seattle
AUS
Austin
$163 Roundtrip, just found
$163
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Nov 15 from Seattle to Austin, returning Wed, Nov 19, priced at $163 just found
Frontier Airlines
Thu, Dec 11 - Mon, Jan 5
SEA
Seattle
AUS
Austin
$166 Roundtrip, found 5 days ago
$166
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Thu, Dec 11 from Seattle to Austin, returning Mon, Jan 5, priced at $166 found 5 days ago
Alaska Airlines
Tue, Dec 9 - Sat, Dec 13
SEA
Seattle
AUS
Austin
$174 Roundtrip, just found
$174
Roundtrip
just found
Select Alaska Airlines flight, departing Tue, Dec 9 from Seattle to Austin, returning Sat, Dec 13, priced at $174 just found
Delta
Tue, Jan 20 - Sat, Jan 24
SEA
Seattle
AUS
Austin
$177 Roundtrip, just found
$177
Roundtrip
just found
Select Delta flight, departing Tue, Jan 20 from Seattle to Austin, returning Sat, Jan 24, priced at $177 just found
Hawaiian Airlines
Sat, Jan 31 - Mon, Feb 9
SEA
Seattle
AUS
Austin
$187 Roundtrip, found 4 days ago
$187
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Sat, Jan 31 from Seattle to Austin, returning Mon, Feb 9, priced at $187 found 4 days ago

Find the cheapest month to fly from Seattle (SEA) to Austin (AUS)

March is typically the cheapest month to fly

From $132 - $447 per traveler.

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Austin-Bergstrom Intl. Airport (AUS) cost?
Grab a cheap one-way flight from $65 or cheap return flight from $130 from Seattle - Tacoma Intl. Airport (SEA) to Austin-Bergstrom Intl. Airport (AUS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Austin-Bergstrom Intl. Airport (AUS)?
December is the least expensive month to fly from SEA to AUS. Traveling during quieter months is often the key to finding better fares.
Which airlines fly direct from Seattle - Tacoma Intl. Airport (SEA) to Austin-Bergstrom Intl. Airport (AUS)?
Take a nonstop flight with Alaska Airlines and travel straight from Seattle - Tacoma Intl. Airport (SEA) to Austin-Bergstrom Intl. Airport (AUS).
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Austin-Bergstrom Intl. Airport (AUS)?
While prices can change depending on your travel dates, Delta Air Lines and Alaska Airlines are go-to choices for flights between Seattle - Tacoma Intl. Airport (SEA) and Austin-Bergstrom Intl. Airport (AUS). You can also compare carriers on Expedia and use the "Sort by" filter to find the cheapest fare for your SEA to AUS flight.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Austin-Bergstrom Intl. Airport (AUS)?
When taking off from Seattle - Tacoma Intl. Airport (SEA), you can pick from an average of 3 daily direct flights to Austin-Bergstrom Intl. Airport (AUS).
What are the most popular departure times for flights from Seattle - Tacoma Intl. Airport (SEA) to Austin-Bergstrom Intl. Airport (AUS)?
Flights between SEA and AUS are busiest at 9 AM. If you're after a more relaxed trip and possibly cheaper prices, choose a departure outside the usual busy windows.
What day of the week has the most flights from SEA to AUS?
If you depart on a Friday, you'll get the biggest range of choices for flights from Seattle - Tacoma Intl. Airport (SEA) to Austin-Bergstrom Intl. Airport (AUS).
What is the earliest flight from Seattle - Tacoma Intl. Airport (SEA) to Austin-Bergstrom Intl. Airport (AUS)?
Seattle - Tacoma Intl. Airport (SEA)'s earliest flight to Austin-Bergstrom Intl. Airport (AUS) is at approximately 8:35AM UTC-8. With a total flight time of 4h 15m, you'll land at around 2:50PM UTC-6.
How long does it take to fly from Seattle - Tacoma Intl. Airport (SEA) to Austin-Bergstrom Intl. Airport (AUS)?
The average flight duration from SEA to AUS is 4 hours and 20 minutes, covering a distance of 1,750 mi.
What airline has the least delays from SEA to AUS?
With 86% of flights generally arriving on schedule, American Airlines has the best on-time performance for direct flights from Seattle - Tacoma Intl. Airport (SEA) to Austin-Bergstrom Intl. Airport (AUS). To monitor your flight status and get notifications about any changes, use the Expedia App.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Austin-Bergstrom Intl. Airport (AUS)?
To avoid potential delays on the Seattle - Tacoma Intl. Airport (SEA) to Austin-Bergstrom Intl. Airport (AUS) route, travel before 3 PM. Departures after this time have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Austin from Seattle - Tacoma Intl. Airport (SEA)?
If you're on a direct flight from Seattle - Tacoma Intl. Airport (SEA) to Austin, Austin-Bergstrom Intl. Airport (AUS) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to Austin-Bergstrom Intl. Airport (AUS) last-minute?
Last-minute fares from SEA to AUS are generally more expensive. To secure the lowest prices, start looking for flights early. That being said, if you're flexible with your travel dates, you may find a cheap fare right before your journey.
Is it cheaper to book a SEA to AUS flight and hotel package?
Securing a SEA to AUS flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Pick from our impressive range of hotels and then add car rentals, flights and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Austin-Bergstrom Intl. Airport (AUS)?
If you reserved your SEA to AUS flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Austin-Bergstrom Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$130
Distance
1768 mi
Average flight time
6 hours 44 mins

Book with confidence

Seattle to Austin Flights

The cheapest times to fly from Seattle to Austin

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle to Austin are during the month of December. You can find some of the cheapest flights from Seattle to Austin with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Austin

Sunday is one of the best days to book for cheap flights from Seattle to Austin: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seattle to Austin

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle to Austin in 2025. You can also book with separate airlines for your outbound and return journeys, from $65 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle to Austin flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle to Austin airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Seattle to Austin Flights

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