Which layover airport offers the lowest fares from Seattle to Austin?

Flights via Denver (DEN) offer the lowest average round-trip price of $205.

How many flights depart from Seattle to Austin on average per week?

As of August 2025, 181 flights take off from Seattle and land in Austin each week. The most common flight departure day for this route is Wed, with 16% of weekly flights taking off on this day.

Which airport is the most popular layover for flights between Seattle and Austin?

Denver (DEN) was the most common stop: 83% of momondo users choosing 1-stop flights on this route connected there.

How many flights depart from Seattle to Austin on average per day?

25 flights are operational daily from Seattle to Austin as of August 2025. The most popular departure time for this route is 5:00PM, with 51% of flights per day taking off in the afternoon.

What is the cheapest airline that flies from Seattle/Tacoma Intl to Austin Bergstrom?

Frontier, Alaska Airlines, and Southwest are the most popular carriers operating from Seattle/Tacoma Intl to Austin Bergstrom

What airlines fly to Austin?

Alaska Airlines, Delta and American Airlines are the top three most popular airlines that fly to Austin from Seattle according to our data. Alaska Airlines is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Austin. Keep in mind that there are 8 different airlines that fly to Austin on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest travel time from Seattle to Austin?

Flights connecting via Los Angeles (LAX) have the shortest average one-way travel time: 7h 07m.

Which layover airport has the shortest connection time from Seattle to Austin?

Los Angeles (LAX) has the shortest average layover time for this route: 0h 57m.

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 are refreshed on a daily basis.

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

As of August 2025, there are 8 operators available to choose from 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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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.

$75 Cheap Flights from Seattle to Austin (SEA-AUS) in 2025

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Find the cheapest flights from Seattle to Austin (SEA-AUS)

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

2:31 pm - 12:33 amSEA-AUS

8h 02m1 stop

6:00 am - 12:07 pmAUS-SEA

8h 07m1 stop

$148Frontier

Find Deal

Fri, Oct 24 - Mon, Oct 27

8:31 pm - 11:44 amSEA-AUS

13h 13m1 stop

6:00 am - 12:07 pmAUS-SEA

8h 07m1 stop

$160Frontier

Find Deal

Thu, Oct 2 - Wed, Oct 8

7:54 pm - 4:50 pmSEA-AUS

18h 56m1 stop

6:00 am - 12:31 amAUS-SEA

20h 31m1 stop

$164Frontier

Find Deal

Fri, Nov 14 - Sun, Nov 16

12:20 pm - 6:53 pmSEA-AUS

4h 33mnonstop

1:40 pm - 4:05 pmAUS-SEA

4h 25mnonstop

$190Alaska Airlines

Find Deal

Sat, Sep 20 - Sat, Sep 27

12:20 pm - 6:53 pmSEA-AUS

4h 33mnonstop

1:40 pm - 4:05 pmAUS-SEA

4h 25mnonstop

$193Hawaiian Airlines

Find Deal

Sat, Sep 20 - Sat, Sep 27

12:20 pm - 6:53 pmSEA-AUS

4h 33mnonstop

7:21 am - 2:26 pmAUS-SEA

9h 05m1 stop

$195Hawaiian Airlines

Find Deal

Sat, Sep 20 - Sat, Sep 27

7:20 am - 1:28 pmSEA-AUS

4h 08mnonstop

12:00 pm - 2:28 pmAUS-SEA

4h 28mnonstop

$197Delta

Find Deal

Sat, Sep 13 - Sat, Sep 20

5:20 am - 4:50 pmSEA-AUS

9h 30m1 stop

7:21 am - 2:26 pmAUS-SEA

9h 05m1 stop

$216Alaska Airlines

Find Deal

Sat, Sep 20 - Sat, Sep 27

10:32 am - 9:18 pmSEA-AUS

8h 46m1 stop

5:00 am - 10:52 amAUS-SEA

7h 52m1 stop

$217American Airlines

Find Deal

Tue, Oct 14 - Wed, Oct 22

7:20 am - 1:28 pmSEA-AUS

4h 08mnonstop

6:20 am - 8:54 amAUS-SEA

4h 34mnonstop

$237Delta

Find Deal

Thu, Oct 2 - Sat, Oct 4

Frontier flights from Seattle to Austin

Our best Frontier deals on Seattle to Austin flight tickets

Frontier

Oct 24

SEA2:31 pmSeattle/Tacoma Intl

8h 02m

1 stop

AUS12:33 amAustin Bergstrom

Oct 27

AUS6:00 amAustin Bergstrom

8h 07m

1 stop

SEA12:07 pmSeattle/Tacoma Intl

$148

Find similar

Frontier

Oct 2

SEA8:31 pmSeattle/Tacoma Intl

13h 13m

1 stop

AUS11:44 amAustin Bergstrom

Oct 8

AUS6:00 amAustin Bergstrom

8h 07m

1 stop

SEA12:07 pmSeattle/Tacoma Intl

$160

Find similar

Frontier

Nov 14

SEA7:54 pmSeattle/Tacoma Intl

18h 56m

1 stop

AUS4:50 pmAustin Bergstrom

Nov 16

AUS6:00 amAustin Bergstrom

20h 31m

1 stop

SEA12:31 amSeattle/Tacoma Intl

$164

Find similar

Delta flights from Seattle to Austin

Our best Delta deals on Seattle to Austin flight tickets

Delta

Sep 13

SEA7:20 amSeattle/Tacoma Intl

4h 08m

AUS1:28 pmAustin Bergstrom

Sep 20

AUS12:00 pmAustin Bergstrom

4h 28m

SEA2:28 pmSeattle/Tacoma Intl

$197

Find similar

Delta

Oct 2

SEA7:20 amSeattle/Tacoma Intl

4h 08m

AUS1:28 pmAustin Bergstrom

Oct 4

AUS6:20 amAustin Bergstrom

4h 34m

SEA8:54 amSeattle/Tacoma Intl

$237

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Fri 10/24

2:31 pm-12:33 am

1 stop8h 02m

Austin Bergstrom

Mon 10/27

6:00 am-12:07 pm

1 stop8h 07m

$148

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Thu 10/2

8:31 pm-11:44 am

1 stop13h 13m

Austin Bergstrom

Wed 10/8

6:00 am-12:07 pm

1 stop8h 07m

$160

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Fri 11/14

7:54 pm-4:50 pm

1 stop18h 56m

Austin Bergstrom

Sun 11/16

6:00 am-12:31 am

1 stop20h 31m

$164

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Sat 9/20

12:20 pm-6:53 pm

Nonstop4h 33m

Austin Bergstrom

Sat 9/27

1:40 pm-4:05 pm

Nonstop4h 25m

$190

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Sat 9/20

12:20 pm-6:53 pm

Nonstop4h 33m

Austin Bergstrom

Sat 9/27

1:40 pm-4:05 pm

Nonstop4h 25m

$193

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Sat 9/20

12:20 pm-6:53 pm

Nonstop4h 33m

Austin Bergstrom

Sat 9/27

7:21 am-2:26 pm

1 stop9h 05m

$195

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Sat 9/13

7:20 am-1:28 pm

Nonstop4h 08m

Austin Bergstrom

Sat 9/20

12:00 pm-2:28 pm

Nonstop4h 28m

$197

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Sat 9/20

5:20 am-4:50 pm

1 stop9h 30m

Austin Bergstrom

Sat 9/27

7:21 am-2:26 pm

1 stop9h 05m

$216

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Tue 10/14

10:32 am-9:18 pm

1 stop8h 46m

Austin Bergstrom

Wed 10/22

5:00 am-10:52 am

1 stop7h 52m

$217

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Thu 10/2

7:20 am-1:28 pm

Nonstop4h 08m

Austin Bergstrom

Sat 10/4

6:20 am-8:54 am

Nonstop4h 34m

$237

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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

Prices

Airlines

Layovers

Other information

What is the cheapest month to fly to Austin?

The cheapest month to fly to Austin from Seattle is in September. Flight prices, which tend to average around $276, are often lower during this time because this is during the off-season. If you’re not able to fly to Austin in September, then January is your next best option. Flight prices from Seattle to Austin during January average around $296.

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 Wednesday when prices can be found for as low as $323. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to Austin for around $414.

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

In the afternoon is the cheapest time of day to fly from Seattle to Austin when you can find flight prices for as low as $336. Flying to Austin in the afternoon is an ideal time because this is during off-peak travel hours. Flights to Austin are more costly in the evening, with an average ticket price of $404. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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 $347 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 $287 on momondo.

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

There are 4 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?

No. A direct flight is the cheapest option for a flight between Seattle to Austin.

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	$75
Fastest flight time	4h 05m
Direct flights	Every day
Airports in Austin	1 airport

The best one-way flight to Austin from Seattle in the past 72 hours is $75. The best round-trip flight deal from Seattle to Austin found on momondo in the last 72 hours is $148.

The fastest flight from Seattle to Austin takes 4h 05m

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?
There are 1768.1 mi between Seattle/Tacoma Intl and Austin Bergstrom. In terms of flight time, this usually takes a little over 4h 05m.
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 are refreshed on a daily basis.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Austin Bergstrom Airport?
As of August 2025, there are 8 operators available to choose from 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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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?
Based on momondo bookings for flights between Seattle and Austin, the leading plane model is Boeing 737-900 Passenger/BBJ3 (winglets), making up 28.81% of the total bookings. Other popular models include Boeing 737 with 23.49%, Boeing 737 MAX 9 with 22.82%, and Airbus A319 with 11.77%.
What is the most popular airline from Seattle to Austin?
momondo data reveals that the most frequently booked airline on the route from Seattle to Austin is Alaska Airlines, representing 51% of all bookings. The subsequent popular airlines are Delta at 35%, Hawaiian Airlines at 4%, and Frontier at 3%.

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
Spirit Airlines	PriceFrom $64	Free Cancellation	Rating 6.3 8,042 reviews	Search Spirit Airlines flights
Hawaiian Airlines	PriceFrom $118	Free Cancellation	Rating 7.8 2,657 reviews	Search Hawaiian Airlines flights
Frontier	PriceFrom $130	Free Cancellation	Rating 5.8 3,211 reviews	Search Frontier flights
Delta	PriceFrom $183	Free Cancellation	Rating 8.0 7,985 reviews	Search Delta flights
Alaska Airlines	PriceFrom $202	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $216	Free Cancellation	Rating 7.4 8,916 reviews	Search United Airlines flights
American Airlines	PriceFrom $256	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Southwest	PriceFrom $276	Free Cancellation	Rating 8.0 4,246 reviews	Search Southwest flights

Delta Flights From Seattle to Austin
Delta operates around 12 flights from Seattle to Austin every week. The average price of these flights found in the last 72 hours has been $342, but momondo users have found Delta deals from Seattle to Austin from as low as $183 round-trip. Delta has been scored 8.0/10 in 7,985 reviews.
Alaska Airlines Flights From Seattle to Austin
Alaska Airlines is also a popular choice for this route. Alaska Airlines flight deals for Seattle to Austin start from as low as $202 round-trip, depending on your selected dates, with average Alaska Airlines deals seen on momondo around $385. Alaska Airlines operates 23 flights to Austin from Seattle in an average week. Users have rated it 8.0/10 across 10,000 reviews.

Fredericksburg

San Marcos

Round Rock

Wimberley

Georgetown

Canyon Lake

Marble Falls

Dripping Springs

Horseshoe Bay

Cedar Park

Pflugerville

Seguin

Kyle

Bastrop

Buda

Flatonia

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?

momondo does allow users to show only those flights to Austin from Seattle which offer a flexible booking policy as well as other useful filters and features.

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?

Yes. momondo can track prices for Seattle to Austin flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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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Cheap flights from Seattle to Austin from $75

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 10/13. 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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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?

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

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

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?

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

There are 4 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?

No. A direct flight is the cheapest option for a flight between Seattle to Austin.

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.

What is the cheapest airline that flies from Seattle/Tacoma Intl to Austin Bergstrom?

Frontier, Alaska Airlines, and Southwest are the most popular carriers operating from Seattle/Tacoma Intl to Austin Bergstrom

What airlines fly to Austin?

Which airport is the most popular layover for flights between Seattle and Austin?

Denver (DEN) was the most common stop: 83% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Seattle to Austin?

Flights via Denver (DEN) offer the lowest average round-trip price of $205.

Which layover airport has the shortest travel time from Seattle to Austin?

Flights connecting via Los Angeles (LAX) have the shortest average one-way travel time: 7h 07m.

Which layover airport has the shortest connection time from Seattle to Austin?

Los Angeles (LAX) has the shortest average layover time for this route: 0h 57m.

How many flights depart from Seattle to Austin on average per day?

25 flights are operational daily from Seattle to Austin as of August 2025. The most popular departure time for this route is 5:00PM, with 51% of flights per day taking off in the afternoon.

How many flights depart from Seattle to Austin on average per week?

As of August 2025, 181 flights take off from Seattle and land in Austin each week. The most common flight departure day for this route is Wed, with 16% of weekly flights taking off on this day.

When to book flights from Seattle to Austin

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

Fastest flight time

Direct flights

Airports in Austin

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

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

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?

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

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

Delta Flights From Seattle to Austin

Alaska Airlines Flights From Seattle to Austin

Traveling to a place near Austin?

Why use momondo?

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

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

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

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

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States