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Cheap flights from Seattle to Austin from C$ 149

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 14/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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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.
Alaska Airlines Logo
7:10 a.m. - 3:50 p.m.
SEA
-
AUS
6h 40m1 stop
Alaska Airlines Logo
4:30 p.m. - 11:40 p.m.
AUS
-
SEA
9h 10m1 stop
C$ 271Alaska Airlines
Sat, 21 Feb - Tue, 24 Feb
Alaska Airlines Logo
9:49 a.m. - 3:54 p.m.
SEA
-
AUS
4h 05mdirect
Alaska Airlines Logo
1:35 p.m. - 4:19 p.m.
AUS
-
SEA
4h 44mdirect
C$ 273Alaska Airlines
Wed, 21 Jan - Wed, 18 Mar
Delta Logo
5:45 p.m. - 11:53 p.m.
SEA
-
AUS
4h 08mdirect
Delta Logo
11:47 a.m. - 2:27 p.m.
AUS
-
SEA
4h 40mdirect
C$ 274Delta
Mon, 16 Mar - Fri, 20 Mar
Alaska Airlines Logo
7:50 p.m. - 4:39 p.m.
SEA
-
AUS
18h 49m1 stop
Alaska Airlines Logo
7:15 a.m. - 10:00 a.m.
AUS
-
SEA
4h 45mdirect
C$ 278Alaska Airlines
Fri, 16 Jan - Sun, 18 Jan
Alaska Airlines Logo
12:56 p.m. - 10:29 p.m.
SEA
-
AUS
7h 33m1 stop
Alaska Airlines Logo
5:45 p.m. - 10:18 p.m.
AUS
-
SEA
6h 33m1 stop
C$ 284Alaska Airlines
Tue, 24 Feb - Fri, 27 Feb
Alaska Airlines Logo
5:52 p.m. - 11:59 p.m.
SEA
-
AUS
4h 07mdirect
Alaska Airlines Logo
7:00 p.m. - 9:45 p.m.
AUS
-
SEA
4h 45mdirect
C$ 285Alaska Airlines
Sat, 14 Mar - Tue, 17 Mar
Alaska Airlines Logo
8:35 a.m. - 3:02 p.m.
SEA
-
AUS
4h 27mdirect
Alaska Airlines Logo
6:50 p.m. - 9:29 p.m.
AUS
-
SEA
4h 39mdirect
C$ 286Alaska Airlines
Tue, 31 Mar - Fri, 10 Apr
Delta Logo
9:35 a.m. - 4:00 p.m.
SEA
-
AUS
4h 25mdirect
Delta Logo
6:51 p.m. - 12:03 a.m.
AUS
-
SEA
7h 12m1 stop
C$ 288Delta
Sun, 18 Jan - Sun, 22 Mar
Delta Logo
7:25 a.m. - 9:32 p.m.
SEA
-
AUS
12h 07m2 stops
Delta Logo
7:20 a.m. - 2:54 p.m.
AUS
-
SEA
9h 34m1 stop
C$ 292Delta
Sat, 17 Jan - Tue, 20 Jan
Alaska Airlines Logo
8:25 a.m. - 4:39 p.m.
SEA
-
AUS
6h 14m1 stop
Alaska Airlines Logo
5:39 p.m. - 10:33 p.m.
AUS
-
SEA
6h 54m1 stop
C$ 297Alaska Airlines
Sun, 18 Jan - Tue, 20 Jan

Southwest flights from Seattle to Austin

Our best Southwest deals on Seattle to Austin flight tickets
Southwest
14 Jan
SEA5:15 a.m.Seattle/Tacoma Intl
7h 45m
1 stop
AUS3:00 p.m.Austin Bergstrom
19 Jan
AUS6:35 a.m.Austin Bergstrom
13h 05m
1 stop
SEA5:40 p.m.Seattle/Tacoma Intl
C$ 279
Find similar
Southwest
25 Feb
SEA2:05 p.m.Seattle/Tacoma Intl
5h 35m
1 stop
AUS9:40 p.m.Austin Bergstrom
1 Mar
AUS6:15 a.m.Austin Bergstrom
9h 20m
1 stop
SEA1:35 p.m.Seattle/Tacoma Intl
C$ 299
Find similar
Southwest
15 Jan
SEA7:55 a.m.Seattle/Tacoma Intl
7h 50m
2 stops
AUS5:45 p.m.Austin Bergstrom
18 Jan
AUS6:30 a.m.Austin Bergstrom
8h 45m
1 stop
SEA1:15 p.m.Seattle/Tacoma Intl
C$ 308
Find similar

United Airlines flights from Seattle to Austin

Our best United Airlines deals on Seattle to Austin flight tickets
United Airlines
14 Jan
SEA12:25 p.m.Seattle/Tacoma Intl
8h 34m
2 stops
AUS10:59 p.m.Austin Bergstrom
19 Jan
AUS5:55 p.m.Austin Bergstrom
7h 04m
1 stop
SEA10:59 p.m.Seattle/Tacoma Intl
C$ 351
Find similar
United Airlines
4 Jan
SEA5:02 a.m.Seattle/Tacoma Intl
6h 22m
1 stop
AUS1:24 p.m.Austin Bergstrom
11 Jan
AUS8:30 p.m.Austin Bergstrom
15h 25m
1 stop
SEA9:55 a.m.Seattle/Tacoma Intl
C$ 909
Find similar

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 23 December 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

Sat 21/2

7:10 a.m.-3:50 p.m.

1 stop6h 40m

Austin Bergstrom

Tue 24/2

4:30 p.m.-11:40 p.m.

1 stop9h 10m

C$ 271

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Wed 21/1

9:49 a.m.-3:54 p.m.

Nonstop4h 05m

Austin Bergstrom

Wed 18/3

1:35 p.m.-4:19 p.m.

Nonstop4h 44m

C$ 273

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Mon 16/3

5:45 p.m.-11:53 p.m.

Nonstop4h 08m

Austin Bergstrom

Fri 20/3

11:47 a.m.-2:27 p.m.

Nonstop4h 40m

C$ 274

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Fri 16/1

7:50 p.m.-4:39 p.m.

1 stop18h 49m

Austin Bergstrom

Sun 18/1

7:15 a.m.-10:00 a.m.

Nonstop4h 45m

C$ 278

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Tue 24/2

12:56 p.m.-10:29 p.m.

1 stop7h 33m

Austin Bergstrom

Fri 27/2

5:45 p.m.-10:18 p.m.

1 stop6h 33m

C$ 284

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Sat 14/3

5:52 p.m.-11:59 p.m.

Nonstop4h 07m

Austin Bergstrom

Tue 17/3

7:00 p.m.-9:45 p.m.

Nonstop4h 45m

C$ 285

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Tue 31/3

8:35 a.m.-3:02 p.m.

Nonstop4h 27m

Austin Bergstrom

Fri 10/4

6:50 p.m.-9:29 p.m.

Nonstop4h 39m

C$ 286

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Sun 18/1

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

Nonstop4h 25m

Austin Bergstrom

Sun 22/3

6:51 p.m.-12:03 a.m.

1 stop7h 12m

C$ 288

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Sat 17/1

7:25 a.m.-9:32 p.m.

2 stops12h 07m

Austin Bergstrom

Tue 20/1

7:20 a.m.-2:54 p.m.

1 stop9h 34m

C$ 292

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Sun 18/1

8:25 a.m.-4:39 p.m.

1 stop6h 14m

Austin Bergstrom

Tue 20/1

5:39 p.m.-10:33 p.m.

1 stop6h 54m

C$ 297

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 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$ 398. If you don’t want to visit Austin in September, then you should wait until August to fly from Seattle, when ticket prices are also cheap, with an average price of C$ 423.

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$ 354. 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$ 787.

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$ 393. Flights in the evening are often more expensive with an average ticket price of C$ 670.

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$ 474 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$ 391 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 December 2025, prices for Seattle to Austin flights are approximately 16% 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

Best price found

C$ 246

Fastest flight time

3h 59m

Direct flights

Every day

Airports in Austin

1 airport
The best flight deal from Seattle to Austin found on momondo in the last 72 hours is C$ 246
The fastest flight from Seattle to Austin takes 3h 59m
Direct flights go from Seattle to Austin every day.
There is 1 airport in Austin. From Seattle there are direct flights to 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. 3h 59m 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
Alaska AirlinesPriceFrom C$ 257Free CancellationRating
8.0
11,512 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$ 257. Generally, Alaska Airlines has 23 flights on this route every week with an average price of C$ 637. Alaska Airlines is rated 8.0/10 by our users.

Travelling to a place near Austin?

Book flights to Austin if you plan to visit one of these locations
Dripping Springs
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.

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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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