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

As of October 2025, 125 flights take off from Seattle and land in Austin each week. The most common flight departure day for this route is Wed, with 22% of weekly flights taking off on this day.

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 53% 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.

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

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

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

Flights via Denver (DEN) offer the lowest average round-trip price of $220.

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.

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

Flights connecting via Phoenix (PHX) have the shortest average one-way travel time: 6h 20m.

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

Denver (DEN) was the most common stop: 71% of momondo users choosing 1-stop flights on this route connected there.

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

17 flights are operational daily from Seattle to Austin as of October 2025. The most popular departure time for this route is 5:00PM, with 69% of flights per day taking off in the afternoon.

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 October 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.

$116 Cheap Flights from Seattle to Austin in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Seattle to Austin

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:22 pm - 3:20 pmSEA-AUS

16h 58m2 stops

10:37 am - 12:07 pmAUS-SEA

27h 30m1 stop

$194Frontier

Find Deal

Sat, Nov 8 - Mon, Nov 17

11:47 am - 5:59 pmSEA-AUS

4h 12mnonstop

7:15 am - 10:00 amAUS-SEA

4h 45mnonstop

$195Alaska Airlines

Find Deal

Thu, Jan 8 - Thu, Jan 15

5:45 pm - 11:57 pmSEA-AUS

4h 12mnonstop

12:06 pm - 2:45 pmAUS-SEA

4h 39mnonstop

$197Delta

Find Deal

Sun, Nov 23 - Thu, Nov 27

12:59 am - 10:10 amSEA-AUS

7h 11m1 stop

1:54 pm - 7:00 pmAUS-SEA

7h 06m1 stop

$198American Airlines

Find Deal

Thu, Nov 13 - Wed, Nov 19

5:45 pm - 11:57 pmSEA-AUS

4h 12mnonstop

7:23 pm - 12:11 amAUS-SEA

6h 48m1 stop

$199Delta

Find Deal

Fri, Nov 14 - Mon, Nov 24

2:46 pm - 10:13 amSEA-AUS

17h 27m2 stops

6:45 am - 12:30 pmAUS-SEA

7h 45m1 stop

$201Frontier

Find Deal

Wed, Dec 24 - Wed, Dec 31

8:24 am - 10:59 pmSEA-AUS

12h 35m1 stop

5:46 pm - 11:32 pmAUS-SEA

7h 46m1 stop

$206Alaska Airlines

Find Deal

Wed, Nov 5 - Fri, Nov 7

5:15 am - 6:10 pmSEA-AUS

10h 55m2 stops

2:20 pm - 8:15 pmAUS-SEA

7h 55m1 stop

$208Southwest

Find Deal

Wed, Nov 5 - Sat, Nov 8

8:10 am - 5:00 pmSEA-AUS

6h 50m1 stop

3:40 pm - 12:35 amAUS-SEA

10h 55m1 stop

$213Southwest

Find Deal

Mon, Dec 15 - Thu, Dec 18

12:59 am - 9:46 amSEA-AUS

6h 47m1 stop

7:04 pm - 11:42 pmAUS-SEA

6h 38m1 stop

$238American Airlines

Find Deal

Wed, Nov 12 - Mon, Nov 17

Frontier flights from Seattle to Austin

Our best Frontier deals on Seattle to Austin flight tickets

Frontier

Nov 8

SEA8:22 pmSeattle/Tacoma Intl

16h 58m

2 stops

AUS3:20 pmAustin Bergstrom

Nov 17

AUS10:37 amAustin Bergstrom

27h 30m

1 stop

SEA12:07 pmSeattle/Tacoma Intl

$194

Find similar

Frontier

Oct 24

SEA8:43 pmSeattle/Tacoma Intl

25h 50m

1 stop

AUS12:33 amAustin Bergstrom

Oct 29

AUS7:45 amAustin Bergstrom

30h 28m

1 stop

SEA12:13 pmSeattle/Tacoma Intl

$198

Find similar

Frontier

Dec 24

SEA2:46 pmSeattle/Tacoma Intl

17h 27m

2 stops

AUS10:13 amAustin Bergstrom

Dec 31

AUS6:45 amAustin Bergstrom

7h 45m

1 stop

SEA12:30 pmSeattle/Tacoma Intl

$201

Find similar

American Airlines flights from Seattle to Austin

Our best American Airlines deals on Seattle to Austin flight tickets

American Airlines

Nov 13

SEA12:59 amSeattle/Tacoma Intl

7h 11m

1 stop

AUS10:10 amAustin Bergstrom

Nov 19

AUS1:54 pmAustin Bergstrom

7h 06m

1 stop

SEA7:00 pmSeattle/Tacoma Intl

$198

Find similar

American Airlines

Nov 12

SEA12:59 amSeattle/Tacoma Intl

6h 47m

1 stop

AUS9:46 amAustin Bergstrom

Nov 17

AUS7:04 pmAustin Bergstrom

6h 38m

1 stop

SEA11:42 pmSeattle/Tacoma Intl

$238

Find similar

American Airlines

Nov 12

SEA12:59 amSeattle/Tacoma Intl

7h 14m

1 stop

AUS10:13 amAustin Bergstrom

Nov 13

AUS3:31 pmAustin Bergstrom

7h 45m

1 stop

SEA9:16 pmSeattle/Tacoma Intl

$239

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Sat 11/8

8:22 pm-3:20 pm

2 stops16h 58m

Austin Bergstrom

Mon 11/17

10:37 am-12:07 pm

1 stop27h 30m

$194

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Thu 1/8

11:47 am-5:59 pm

Nonstop4h 12m

Austin Bergstrom

Thu 1/15

7:15 am-10:00 am

Nonstop4h 45m

$195

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Sun 11/23

5:45 pm-11:57 pm

Nonstop4h 12m

Austin Bergstrom

Thu 11/27

12:06 pm-2:45 pm

Nonstop4h 39m

$197

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Thu 11/13

12:59 am-10:10 am

1 stop7h 11m

Austin Bergstrom

Wed 11/19

1:54 pm-7:00 pm

1 stop7h 06m

$198

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Fri 11/14

5:45 pm-11:57 pm

Nonstop4h 12m

Austin Bergstrom

Mon 11/24

7:23 pm-12:11 am

1 stop6h 48m

$199

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Wed 12/24

2:46 pm-10:13 am

2 stops17h 27m

Austin Bergstrom

Wed 12/31

6:45 am-12:30 pm

1 stop7h 45m

$201

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Wed 11/5

8:24 am-10:59 pm

1 stop12h 35m

Austin Bergstrom

Fri 11/7

5:46 pm-11:32 pm

1 stop7h 46m

$206

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Wed 11/5

5:15 am-6:10 pm

2 stops10h 55m

Austin Bergstrom

Sat 11/8

2:20 pm-8:15 pm

1 stop7h 55m

$208

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Mon 12/15

8:10 am-5:00 pm

1 stop6h 50m

Austin Bergstrom

Thu 12/18

3:40 pm-12:35 am

1 stop10h 55m

$213

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Wed 11/12

12:59 am-9:46 am

1 stop6h 47m

Austin Bergstrom

Mon 11/17

7:04 pm-11:42 pm

1 stop6h 38m

$238

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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 $287, 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 $297.

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 $322. 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 $409.

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 $337. 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 $413. 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 $349 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 $300 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 October 2025, prices for Seattle to Austin flights are approximately 49% 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	$158
Fastest flight time	4h 00m
Direct flights	Every day
Airports in Austin	1 airport

The best one-way flight to Austin from Seattle in the past 72 hours is $158. The best round-trip flight deal from Seattle to Austin found on momondo in the last 72 hours is $246.

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?
There are 1768.1 mi between Seattle/Tacoma Intl and Austin Bergstrom. In terms of flight time, this usually takes a little over 4h 00m.
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 October 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 31.64% of the total bookings. Other popular models include Boeing 737 with 23.22%, Boeing 737 MAX 9 with 20.44%, and Airbus A320-100/200 with 10.20%.
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 49% of all bookings. The subsequent popular airlines are Delta at 36%, Hawaiian Airlines at 6%, and Frontier at 4%.

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 8,099 reviews	Search Spirit Airlines flights
Hawaiian Airlines	PriceFrom $118	Free Cancellation	Rating 7.8 2,781 reviews	Search Hawaiian Airlines flights
Frontier	PriceFrom $138	Free Cancellation	Rating 5.8 3,137 reviews	Search Frontier flights
Delta	PriceFrom $197	Free Cancellation	Rating 7.9 7,981 reviews	Search Delta flights
Alaska Airlines	PriceFrom $206	Free Cancellation	Rating 8.0 11,102 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $216	Free Cancellation	Rating 7.4 8,982 reviews	Search United Airlines flights
Southwest	PriceFrom $264	Free Cancellation	Rating 8.0 4,241 reviews	Search Southwest flights
American Airlines	PriceFrom $266	Free Cancellation	Rating 7.2 11,040 reviews	Search American Airlines flights

Alaska Airlines Flights From Seattle to Austin
Alaska Airlines operates around 15 flights from Seattle to Austin every week. The average price of these flights found in the last 72 hours has been $392, but momondo users have found Alaska Airlines deals from Seattle to Austin from as low as $206 round-trip. Alaska Airlines has been scored 8.0/10 in 11,102 reviews.
Southwest Flights From Seattle to Austin
Southwest is also a popular choice for this route. Southwest flight deals for Seattle to Austin start from as low as $264 round-trip, depending on your selected dates, with average Southwest deals seen on momondo around $416. Southwest operates 3 flights to Austin from Seattle in an average week. Users have rated it 8.0/10 across 4,241 reviews.

Fredericksburg

Wimberley

San Marcos

Round Rock

Georgetown

Canyon Lake

Marble Falls

Cedar Park

Horseshoe Bay

Dripping Springs

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Sat 11/15

Sat 11/22

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Airports servicing Texas

Popular cities in the United States

Flights to New Yorkfrom $48

Flights to Los Angelesfrom $48

Flights to Miamifrom $53

Flights to Chicagofrom $49

Flights to Orlandofrom $54

Flights to Las Vegasfrom $38

Flights to San Franciscofrom $48

Flights to Washington, D.C.from $50

Flights to Bostonfrom $55

Flights to Atlantafrom $45

Flights to Dallasfrom $63

Flights to Seattlefrom $71

Cheap flights from Seattle to Austin from $116

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 11/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Seattle to Austin

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Frontier flights from Seattle to Austin

Our best Frontier deals on Seattle to Austin flight tickets

American Airlines flights from Seattle to Austin

Our best American Airlines deals on Seattle to Austin flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Seattle to Austin that are best for you.

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?

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 October 2025, prices for Seattle to Austin flights are approximately 49% more expensive 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 American Airlines 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: 71% 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 $220.

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

Flights connecting via Phoenix (PHX) have the shortest average one-way travel time: 6h 20m.

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?

17 flights are operational daily from Seattle to Austin as of October 2025. The most popular departure time for this route is 5:00PM, with 69% of flights per day taking off in the afternoon.

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

As of October 2025, 125 flights take off from Seattle and land in Austin each week. The most common flight departure day for this route is Wed, with 22% 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

Alaska Airlines Flights From Seattle to Austin

Southwest 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