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: 4h 21m.

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 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 week?

As of July 2025, 166 flights take off from Seattle and land in Austin each week. The most common flight departure day for this route is Mon, with 18% of weekly flights taking off on this day.

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

Frontier, Alaska Airlines, and United 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 $205.

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

23 flights are operational daily from Seattle to Austin as of July 2025. The most popular departure time for this route is 5:00PM, with 59% 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 July 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.

$99 Cheap Flights from Seattle to Austin in 2025

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Cheap round-trip flights

9:07 am - 3:18 pmSEA-AUS

4h 11mnonstop

1:40 pm - 4:05 pmAUS-SEA

4h 25mnonstop

$187Alaska Airlines

Find Deal

Tue, Sep 9 - Tue, Sep 16

9:15 am - 3:26 pmSEA-AUS

4h 11mnonstop

7:15 am - 9:42 amAUS-SEA

4h 27mnonstop

$194Hawaiian Airlines

Find Deal

Sat, Aug 30 - Sat, Sep 6

9:07 am - 3:18 pmSEA-AUS

4h 11mnonstop

1:40 pm - 4:05 pmAUS-SEA

4h 25mnonstop

$195Hawaiian Airlines

Find Deal

Tue, Sep 9 - Tue, Sep 16

7:23 am - 1:35 pmSEA-AUS

4h 12mnonstop

6:25 am - 8:53 amAUS-SEA

4h 28mnonstop

$197Delta

Find Deal

Tue, Aug 19 - Wed, Aug 27

1:42 pm - 10:59 pmSEA-AUS

7h 17m1 stop

2:59 pm - 8:38 pmAUS-SEA

7h 39m1 stop

$213Alaska Airlines

Find Deal

Tue, Sep 9 - Tue, Sep 16

11:35 am - 5:50 pmSEA-AUS

4h 15mnonstop

6:16 am - 8:55 amAUS-SEA

4h 39mnonstop

$217Delta

Find Deal

Wed, Oct 15 - Wed, Oct 29

7:35 am - 5:30 pmSEA-AUS

7h 55m1 stop

6:20 pm - 12:15 amAUS-SEA

7h 55m1 stop

$238Southwest

Find Deal

Sat, Sep 13 - Mon, Sep 15

7:00 am - 6:05 pmSEA-AUS

9h 05m2 stops

7:05 am - 11:45 amAUS-SEA

6h 40m1 stop

$242Southwest

Find Deal

Wed, Sep 17 - Tue, Sep 23

6:00 am - 2:31 pmSEA-AUS

6h 31m1 stop

3:31 pm - 7:39 pmAUS-SEA

6h 08m1 stop

$245Frontier

Find Deal

Fri, Oct 10 - Mon, Oct 13

6:41 am - 7:46 pmSEA-AUS

11h 05m1 stop

12:32 pm - 5:26 pmAUS-SEA

6h 54m1 stop

$248Frontier

Find Deal

Tue, Aug 19 - Thu, Aug 28

Alaska Airlines flights from Seattle to Austin

Our best Alaska Airlines deals on Seattle to Austin flight tickets

Alaska Airlines

Sep 9

SEA9:07 amSeattle/Tacoma Intl

4h 11m

AUS3:18 pmAustin Bergstrom

Sep 16

AUS1:40 pmAustin Bergstrom

4h 25m

SEA4:05 pmSeattle/Tacoma Intl

$187

Find similar

Alaska Airlines

Sep 9

SEA1:42 pmSeattle/Tacoma Intl

7h 17m

1 stop

AUS10:59 pmAustin Bergstrom

Sep 16

AUS2:59 pmAustin Bergstrom

7h 39m

1 stop

SEA8:38 pmSeattle/Tacoma Intl

$213

Find similar

Alaska Airlines

Oct 7

SEA8:15 pmSeattle/Tacoma Intl

14h 16m

1 stop

AUS12:31 pmAustin Bergstrom

Oct 14

AUS5:43 pmAustin Bergstrom

7h 21m

1 stop

SEA11:04 pmSeattle/Tacoma Intl

$216

Find similar

Delta flights from Seattle to Austin

Our best Delta deals on Seattle to Austin flight tickets

Delta

Aug 19

SEA7:23 amSeattle/Tacoma Intl

4h 12m

AUS1:35 pmAustin Bergstrom

Aug 27

AUS6:25 amAustin Bergstrom

4h 28m

SEA8:53 amSeattle/Tacoma Intl

$197

Find similar

Delta

Oct 15

SEA11:35 amSeattle/Tacoma Intl

4h 15m

AUS5:50 pmAustin Bergstrom

Oct 29

AUS6:16 amAustin Bergstrom

4h 39m

SEA8:55 amSeattle/Tacoma Intl

$217

Find similar

Delta

Aug 22

SEA7:23 amSeattle/Tacoma Intl

4h 12m

AUS1:35 pmAustin Bergstrom

Aug 26

AUS12:00 pmAustin Bergstrom

4h 31m

SEA2:31 pmSeattle/Tacoma Intl

$237

Find similar

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 $267, 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 $329. 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 $417.

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 $339. 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 $352 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 $274 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 July 2025, prices for Seattle to Austin flights are approximately 24% 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	$99
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 $99. The best round-trip flight deal from Seattle to Austin found on momondo in the last 72 hours is $187.

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 08m.
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 July 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 29.15% of the total bookings. Other popular models include Boeing 737 with 24.34%, Boeing 737 MAX 9 with 22.92%, and Airbus A319 with 12.11%.
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 8,035 reviews	Search Spirit Airlines flights
Hawaiian Airlines	PriceFrom $118	Free Cancellation	Rating 7.8 2,604 reviews	Search Hawaiian Airlines flights
Frontier	PriceFrom $130	Free Cancellation	Rating 5.9 3,238 reviews	Search Frontier flights
Delta	PriceFrom $182	Free Cancellation	Rating 8.0 7,975 reviews	Search Delta flights
Alaska Airlines	PriceFrom $208	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $216	Free Cancellation	Rating 7.4 8,892 reviews	Search United Airlines flights
American Airlines	PriceFrom $238	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Southwest	PriceFrom $275	Free Cancellation	Rating 8.0 4,237 reviews	Search Southwest flights

Delta Flights From Seattle to Austin
Delta operates around 15 flights from Seattle to Austin every week. The average price of these flights found in the last 72 hours has been $340, but momondo users have found Delta deals from Seattle to Austin from as low as $182 round-trip. Delta has been scored 8.0/10 in 7,975 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 $208 round-trip, depending on your selected dates, with average Alaska Airlines deals seen on momondo around $388. 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

Cedar Park

Horseshoe Bay

Pflugerville

Seguin

Bastrop

Kyle

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.

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Cheap flights from Seattle to Austin from $99

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 10/25. 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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Alaska Airlines flights from Seattle to Austin

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Delta flights from Seattle to Austin

Our best Delta deals on Seattle to Austin flight tickets

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 July 2025, prices for Seattle to Austin flights are approximately 24% 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 United 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: 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: 4h 21m.

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?

23 flights are operational daily from Seattle to Austin as of July 2025. The most popular departure time for this route is 5:00PM, with 59% of flights per day taking off in the afternoon.

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

As of July 2025, 166 flights take off from Seattle and land in Austin each week. The most common flight departure day for this route is Mon, with 18% 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

Airports servicing Texas