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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 27/9. 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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Cheap round-trip flights

Delta Logo
7:20 a.m. - 1:34 p.m.SEA-AUS
4h 14mdirect
Delta Logo
6:16 a.m. - 8:55 a.m.AUS-SEA
4h 39mdirect
C$ 272Delta
Find Deal
Tue, 14 Oct - Wed, 22 Oct
United Airlines Logo
2:29 p.m. - 11:59 p.m.SEA-AUS
7h 30m1 stop
United Airlines Logo
8:00 a.m. - 1:30 p.m.AUS-SEA
7h 30m1 stop
C$ 279United Airlines
Find Deal
Sat, 6 Sep - Tue, 9 Sep
Hawaiian Airlines Logo
9:07 a.m. - 3:18 p.m.SEA-AUS
4h 11mdirect
Hawaiian Airlines Logo
5:50 p.m. - 9:36 p.m.AUS-SEA
5h 46m1 stop
C$ 286Hawaiian Airlines
Find Deal
Tue, 26 Aug - Tue, 2 Sep
United Airlines Logo
11:58 p.m. - 8:51 a.m.SEA-AUS
6h 53m1 stop
United Airlines Logo
8:00 a.m. - 1:30 p.m.AUS-SEA
7h 30m1 stop
C$ 293United Airlines
Find Deal
Tue, 16 Sep - Tue, 23 Sep
Alaska Airlines Logo
11:50 a.m. - 10:59 p.m.SEA-AUS
9h 09m1 stop
Alaska Airlines Logo
6:00 a.m. - 1:45 p.m.AUS-SEA
9h 45m1 stop
C$ 299Alaska Airlines
Find Deal
Tue, 16 Sep - Tue, 23 Sep
Delta Logo
11:35 a.m. - 5:50 p.m.SEA-AUS
4h 15mdirect
Delta Logo
12:12 p.m. - 2:44 p.m.AUS-SEA
4h 32mdirect
C$ 300Delta
Find Deal
Wed, 15 Oct - Wed, 29 Oct
Alaska Airlines Logo
9:04 a.m. - 3:10 p.m.SEA-AUS
4h 06mdirect
Alaska Airlines Logo
5:43 p.m. - 9:55 p.m.AUS-SEA
6h 12m1 stop
C$ 306Alaska Airlines
Find Deal
Sat, 4 Oct - Sat, 4 Oct
Southwest Logo
5:00 a.m. - 2:05 p.m.SEA-AUS
7h 05m2 stops
Southwest Logo
2:50 p.m. - 9:00 p.m.AUS-SEA
8h 10m1 stop
C$ 307Southwest
Find Deal
Sat, 6 Sep - Sat, 13 Sep
Hawaiian Airlines Logo
5:55 p.m. - 12:04 a.m.SEA-AUS
4h 09mdirect
Hawaiian Airlines Logo
5:50 p.m. - 10:29 p.m.AUS-SEA
6h 39m1 stop
C$ 318Hawaiian Airlines
Find Deal
Wed, 20 Aug - Tue, 26 Aug
Southwest Logo
10:45 p.m. - 10:45 a.m.SEA-AUS
10h 00m1 stop
Southwest Logo
2:10 p.m. - 7:55 p.m.AUS-SEA
7h 45m1 stop
C$ 335Southwest
Find Deal
Sat, 30 Aug - Sat, 6 Sep

Alaska Airlines flights from Seattle to Austin

Our best Alaska Airlines deals on Seattle to Austin flight tickets
Alaska Airlines
16 Sep
SEA11:50 a.m.Seattle/Tacoma Intl
9h 09m
1 stop
AUS10:59 p.m.Austin Bergstrom
23 Sep
AUS6:00 a.m.Austin Bergstrom
9h 45m
1 stop
SEA1:45 p.m.Seattle/Tacoma Intl
C$ 299
Find similar
Alaska Airlines
4 Oct
SEA9:04 a.m.Seattle/Tacoma Intl
4h 06m
AUS3:10 p.m.Austin Bergstrom
4 Oct
AUS5:43 p.m.Austin Bergstrom
6h 12m
1 stop
SEA9:55 p.m.Seattle/Tacoma Intl
C$ 306
Find similar
Alaska Airlines
16 Sep
SEA12:20 p.m.Seattle/Tacoma Intl
4h 33m
AUS6:53 p.m.Austin Bergstrom
23 Sep
AUS6:00 a.m.Austin Bergstrom
8h 37m
1 stop
SEA12:37 p.m.Seattle/Tacoma Intl
C$ 314
Find similar

Delta flights from Seattle to Austin

Our best Delta deals on Seattle to Austin flight tickets
Delta
14 Oct
SEA7:20 a.m.Seattle/Tacoma Intl
4h 14m
AUS1:34 p.m.Austin Bergstrom
22 Oct
AUS6:16 a.m.Austin Bergstrom
4h 39m
SEA8:55 a.m.Seattle/Tacoma Intl
C$ 272
Find similar
Delta
15 Oct
SEA11:35 a.m.Seattle/Tacoma Intl
4h 15m
AUS5:50 p.m.Austin Bergstrom
29 Oct
AUS12:12 p.m.Austin Bergstrom
4h 32m
SEA2:44 p.m.Seattle/Tacoma Intl
C$ 300
Find similar
Delta
4 Oct
SEA7:25 a.m.Seattle/Tacoma Intl
11h 47m
2 stops
AUS9:12 p.m.Austin Bergstrom
8 Oct
AUS6:16 a.m.Austin Bergstrom
4h 39m
SEA8:55 a.m.Seattle/Tacoma Intl
C$ 344
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 2 August 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

Tue 14/10

7:20 a.m.-1:34 p.m.

Nonstop4h 14m

Austin Bergstrom

Wed 22/10

6:16 a.m.-8:55 a.m.

Nonstop4h 39m

C$ 272

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Sat 6/9

2:29 p.m.-11:59 p.m.

1 stop7h 30m

Austin Bergstrom

Tue 9/9

8:00 a.m.-1:30 p.m.

1 stop7h 30m

C$ 279

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Tue 26/8

9:07 a.m.-3:18 p.m.

Nonstop4h 11m

Austin Bergstrom

Tue 2/9

5:50 p.m.-9:36 p.m.

1 stop5h 46m

C$ 286

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Tue 16/9

11:58 p.m.-8:51 a.m.

1 stop6h 53m

Austin Bergstrom

Tue 23/9

8:00 a.m.-1:30 p.m.

1 stop7h 30m

C$ 293

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Tue 16/9

11:50 a.m.-10:59 p.m.

1 stop9h 09m

Austin Bergstrom

Tue 23/9

6:00 a.m.-1:45 p.m.

1 stop9h 45m

C$ 299

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Wed 15/10

11:35 a.m.-5:50 p.m.

Nonstop4h 15m

Austin Bergstrom

Wed 29/10

12:12 p.m.-2:44 p.m.

Nonstop4h 32m

C$ 300

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Sat 4/10

9:04 a.m.-3:10 p.m.

Nonstop4h 06m

Austin Bergstrom

Sat 4/10

5:43 p.m.-9:55 p.m.

1 stop6h 12m

C$ 306

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Sat 6/9

5:00 a.m.-2:05 p.m.

2 stops7h 05m

Austin Bergstrom

Sat 13/9

2:50 p.m.-9:00 p.m.

1 stop8h 10m

C$ 307

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Wed 20/8

5:55 p.m.-12:04 a.m.

Nonstop4h 09m

Austin Bergstrom

Tue 26/8

5:50 p.m.-10:29 p.m.

1 stop6h 39m

C$ 318

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Sat 30/8

10:45 p.m.-10:45 a.m.

1 stop10h 00m

Austin Bergstrom

Sat 6/9

2:10 p.m.-7:55 p.m.

1 stop7h 45m

C$ 335

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$ 369. 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$ 409.

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$ 203. 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 Thursday, with ticket prices averaging around C$ 500.

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$ 395. Flights in the evening are often more expensive with an average ticket price of C$ 560.

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$ 379 on momondo.

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

There are 1 cabin classes 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 63% 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 August 2025, prices for Seattle to Austin flights are approximately 15% cheaper 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$ 149

Fastest flight time

4h 03m

Direct flights

Every day

Airports in Austin

1 airport
The best one-way flight to Austin from Seattle in the past 72 hours is C$ 149. The best round-trip flight deal from Seattle to Austin found on momondo in the last 72 hours is C$ 272.
The fastest flight from Seattle to Austin takes 4h 03m
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 03m 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$ 162Free CancellationRating
8.0
7,983 reviews
Search Delta flights
Alaska AirlinesPriceFrom C$ 229Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights

  • Delta Flights From Seattle to Austin

    The lowest priced Delta flight from Seattle to Austin from the last 72 hours was C$ 117. Generally, Delta has 13 flights on this route every week with an average price of C$ 267. Delta is rated 8.0/10 by our users.

  • Alaska Airlines Flights From Seattle to Austin

    Alaska Airlines (8.0/10 from 10,000 reviews) operates around 23 flights from Seattle to Austin in any given week. The average Alaska Airlines airfare for this route is around C$ 301, with deals from around C$ 165 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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