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Cheap flights from Seattle to Austin from C$ 160

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Austin departing on 24/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Seattle to Austin

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:20 a.m. - 1:32 p.m.SEA-AUS
4h 12mdirect
Delta Logo
4:55 p.m. - 7:38 p.m.AUS-SEA
4h 43mdirect
C$ 262Delta
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Sun, 14 Dec - Sat, 10 Jan
Delta Logo
7:20 a.m. - 1:32 p.m.SEA-AUS
4h 12mdirect
Delta Logo
4:55 p.m. - 7:38 p.m.AUS-SEA
4h 43mdirect
C$ 276Delta
Find Deal
Thu, 18 Dec - Tue, 6 Jan
Delta Logo
11:59 p.m. - 10:20 a.m.SEA-AUS
8h 21m1 stop
Delta Logo
6:05 a.m. - 8:55 a.m.AUS-SEA
4h 50mdirect
C$ 277Delta
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Fri, 5 Dec - Tue, 9 Dec
Alaska Airlines Logo
8:25 a.m. - 4:45 p.m.SEA-AUS
6h 20m1 stop
Alaska Airlines Logo
7:26 p.m. - 10:10 p.m.AUS-SEA
4h 44mdirect
C$ 282Alaska Airlines
Find Deal
Tue, 9 Dec - Tue, 9 Dec
Alaska Airlines Logo
7:20 a.m. - 10:09 p.m.SEA-AUS
12h 49m1 stop
Alaska Airlines Logo
4:20 p.m. - 9:43 p.m.AUS-SEA
7h 23m1 stop
C$ 289Alaska Airlines
Find Deal
Wed, 10 Dec - Fri, 12 Dec
Alaska Airlines Logo
12:10 p.m. - 6:26 p.m.SEA-AUS
4h 16mdirect
Alaska Airlines Logo
8:30 a.m. - 2:38 p.m.AUS-SEA
8h 08m1 stop
C$ 290Alaska Airlines
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Wed, 3 Dec - Wed, 10 Dec
Delta Logo
9:35 a.m. - 4:00 p.m.SEA-AUS
4h 25mdirect
Delta Logo
7:20 a.m. - 2:55 p.m.AUS-SEA
9h 35m1 stop
C$ 291Delta
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Thu, 29 Jan - Mon, 2 Feb
Southwest Logo
5:15 a.m. - 6:10 p.m.SEA-AUS
10h 55m2 stops
Southwest Logo
6:25 a.m. - 10:45 a.m.AUS-SEA
6h 20m1 stop
C$ 305Southwest
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Tue, 16 Dec - Tue, 27 Jan
Southwest Logo
6:00 a.m. - 5:05 p.m.SEA-AUS
9h 05m2 stops
Southwest Logo
4:15 p.m. - 9:15 p.m.AUS-SEA
7h 00m1 stop
C$ 311Southwest
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Sat, 6 Dec - Sat, 13 Dec
United Airlines Logo
12:35 p.m. - 10:59 p.m.SEA-AUS
8h 24m2 stops
United Airlines Logo
5:59 p.m. - 10:47 p.m.AUS-SEA
6h 48m1 stop
C$ 339United Airlines
Find Deal
Fri, 5 Dec - Tue, 9 Dec

Delta flights from Seattle to Austin

Our best Delta deals on Seattle to Austin flight tickets
Delta
14 Dec
SEA7:20 a.m.Seattle/Tacoma Intl
4h 12m
AUS1:32 p.m.Austin Bergstrom
10 Jan
AUS4:55 p.m.Austin Bergstrom
4h 43m
SEA7:38 p.m.Seattle/Tacoma Intl
C$ 262
Find similar
Delta
18 Dec
SEA7:20 a.m.Seattle/Tacoma Intl
4h 12m
AUS1:32 p.m.Austin Bergstrom
6 Jan
AUS4:55 p.m.Austin Bergstrom
4h 43m
SEA7:38 p.m.Seattle/Tacoma Intl
C$ 276
Find similar
Delta
5 Dec
SEA11:59 p.m.Seattle/Tacoma Intl
8h 21m
1 stop
AUS10:20 a.m.Austin Bergstrom
9 Dec
AUS6:05 a.m.Austin Bergstrom
4h 50m
SEA8:55 a.m.Seattle/Tacoma Intl
C$ 277
Find similar

United Airlines flights from Seattle to Austin

Our best United Airlines deals on Seattle to Austin flight tickets
United Airlines
5 Dec
SEA12:35 p.m.Seattle/Tacoma Intl
8h 24m
2 stops
AUS10:59 p.m.Austin Bergstrom
9 Dec
AUS5:59 p.m.Austin Bergstrom
6h 48m
1 stop
SEA10:47 p.m.Seattle/Tacoma Intl
C$ 339
Find similar
United Airlines
8 Nov
SEA5:05 a.m.Seattle/Tacoma Intl
6h 07m
1 stop
AUS1:12 p.m.Austin Bergstrom
11 Nov
AUS9:45 a.m.Austin Bergstrom
10h 15m
2 stops
SEA6:00 p.m.Seattle/Tacoma Intl
C$ 913
Find similar
United Airlines
11 Nov
SEA7:10 a.m.Seattle/Tacoma Intl
6h 12m
1 stop
AUS3:22 p.m.Austin Bergstrom
11 Nov
AUS5:59 p.m.Austin Bergstrom
6h 47m
1 stop
SEA10:46 p.m.Seattle/Tacoma Intl
C$ 1,024
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momondo 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, momondo users made 96,600 searches. Data last updated 3 November 2025.
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

Price

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Sun 14/12

7:20 a.m.-1:32 p.m.

Nonstop4h 12m

Austin Bergstrom

Sat 10/1

4:55 p.m.-7:38 p.m.

Nonstop4h 43m

C$ 262

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Thu 18/12

7:20 a.m.-1:32 p.m.

Nonstop4h 12m

Austin Bergstrom

Tue 6/1

4:55 p.m.-7:38 p.m.

Nonstop4h 43m

C$ 276

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Fri 5/12

11:59 p.m.-10:20 a.m.

1 stop8h 21m

Austin Bergstrom

Tue 9/12

6:05 a.m.-8:55 a.m.

Nonstop4h 50m

C$ 277

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Tue 9/12

8:25 a.m.-4:45 p.m.

1 stop6h 20m

Austin Bergstrom

Tue 9/12

7:26 p.m.-10:10 p.m.

Nonstop4h 44m

C$ 282

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Wed 10/12

7:20 a.m.-10:09 p.m.

1 stop12h 49m

Austin Bergstrom

Fri 12/12

4:20 p.m.-9:43 p.m.

1 stop7h 23m

C$ 289

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Wed 3/12

12:10 p.m.-6:26 p.m.

Nonstop4h 16m

Austin Bergstrom

Wed 10/12

8:30 a.m.-2:38 p.m.

1 stop8h 08m

C$ 290

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Thu 29/1

9:35 a.m.-4:00 p.m.

Nonstop4h 25m

Austin Bergstrom

Mon 2/2

7:20 a.m.-2:55 p.m.

1 stop9h 35m

C$ 291

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Tue 16/12

5:15 a.m.-6:10 p.m.

2 stops10h 55m

Austin Bergstrom

Tue 27/1

6:25 a.m.-10:45 a.m.

1 stop6h 20m

C$ 305

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Sat 6/12

6:00 a.m.-5:05 p.m.

2 stops9h 05m

Austin Bergstrom

Sat 13/12

4:15 p.m.-9:15 p.m.

1 stop7h 00m

C$ 311

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Fri 5/12

12:35 p.m.-10:59 p.m.

2 stops8h 24m

Austin Bergstrom

Tue 9/12

5:59 p.m.-10:47 p.m.

1 stop6h 48m

C$ 339

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Austin from

How to get the cheapest flight ticket from Seattle to Austin

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Seattle and Austin?

What is the cheapest month to fly to Austin?

In general, September is the cheapest month to fly from Seattle to Austin. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 402. If you don’t want to visit Austin in September, then you should wait until January to fly from Seattle, when ticket prices are also cheap, with an average price of C$ 415.

What is the cheapest day to depart on your flight to Austin?

The cheapest day to depart on your flight to Austin is on a Sunday when prices can be found for as low as C$ 205. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Austin is Tuesday, with ticket prices averaging around C$ 644.

What is the cheapest time of day to depart on your flight to Austin?

Our most recent data shows that the best time of day to fly to Austin is at noon. Flights from Seattle to Austin during this time can be as low as C$ 400. Flights in the evening are often more expensive with an average ticket price of C$ 682.

What is the cheapest Seattle/Tacoma Intl to Austin Bergstrom flight route?

Fly from Seattle/Tacoma Intl to Austin Bergstrom for the best Seattle/Tacoma Intl - Austin Bergstrom flight prices

How far in advance should I book a flight to Austin?

You are more likely to see cheaper flights to Austin from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Austin for around C$ 487 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Austin from Seattle for as low as C$ 420 on momondo.

What cabin class options are available on Seattle/Tacoma Intl to Austin Bergstrom flights?

There is only 1 cabin class available to choose from on Seattle/Tacoma Intl to Austin Bergstrom flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Seattle to Austin flights?

You could potentially save up to 56% on your flight if you consider stops on a Seattle to Austin flight.

How have Seattle to Austin flight prices changed over time?

As of November 2025, prices for Seattle to Austin flights are approximately 1% more expensive when compared to flights at the same time last year.

When to book flights from Seattle to Austin

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Austin according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Austin (SEA to AUS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Austin

Fastest flight time

4h 00m

Direct flights

Every day

Airports in Austin

1 airport
The fastest flight from Seattle to Austin takes 4h 00m
Direct flights go from Seattle to Austin every day.
There is 1 airport near Austin: Austin Bergstrom (AUS)
Search flight deals

  • How far is Seattle/Tacoma Intl to Austin Bergstrom by plane?

    The straight-line distance from Seattle/Tacoma Intl to Austin Bergstrom is 2845.4 km. 4h 00m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Austin Bergstrom Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Austin Bergstrom Airport were last updated today.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Austin Bergstrom Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Austin Bergstrom Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Austin Bergstrom Airport.

  • What documentation or ID do you need to fly to Austin Bergstrom Airport?

    The travel and health documents required for your trip to Austin Bergstrom Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Austin Bergstrom Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Seattle to Austin?

  • What is the most popular airline from Seattle to Austin?

Best airlines flying from Seattle to Austin

Compare and see reviews for airlines that fly from Seattle to Austin with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom C$ 166Free CancellationRating
7.9
8,001 reviews
Search Delta flights
Alaska AirlinesPriceFrom C$ 274Free CancellationRating
8.0
11,235 reviews
Search Alaska Airlines flights

  • Alaska Airlines Flights From Seattle to Austin

    The lowest priced Alaska Airlines flight from Seattle to Austin from the last 72 hours was C$ 274. Generally, Alaska Airlines has 15 flights on this route every week with an average price of C$ 522. Alaska Airlines is rated 8.0/10 by our users.

  • Delta Flights From Seattle to Austin

    Delta (7.9/10 from 8,001 reviews) operates around 15 flights from Seattle to Austin in any given week. The average Delta airfare for this route is around C$ 361, with deals from around C$ 166 rare but found on momondo. Referenced prices are for round-trip Seattle to Austin flight searches in the last 72 hours.

Travelling to a place near Austin?

Book flights to Austin if you plan to visit one of these locations
Dripping Springs
Fredericksburg
Round Rock

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Austin?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seattle to Austin . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Seattle to Austin with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Seattle to Austin flights to just show those with flexible booking policies.

How can momondo help me find flights from Seattle to Austin?

Once you have performed a search for Seattle to Austin flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Seattle to Austin right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Seattle to Austin now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Austin and let you know when they change.

An easier way to manage your Austin trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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