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

Dallas (DFW) was the most common stop: 57% of momondo users choosing 1-stop flights on this route connected there.

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

As of September 2025, there are 21 flights per day flying from Austin to Seattle. The most common time of day flights depart is 7:00AM, with 54% of flights taking off at noon.

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

Phoenix (PHX) has the shortest average layover time for this route: 1h 17m.

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

As of September 2025, 153 flights take off from Austin and land in Seattle each week. The most common flight departure day for this route is Mon, with 19% of weekly flights taking off on this day.

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

Flights via Denver (DEN) offer the lowest average round-trip price of $138.

What airlines fly to Seattle?

Alaska Airlines, Delta and American Airlines are the top three most popular airlines that fly to Seattle from Austin 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 Seattle. Keep in mind that there are 8 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

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

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

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

Flights connecting via Dallas (DFW) have the shortest average one-way travel time: 6h 29m.

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

Prices for flights from Austin Bergstrom Airport to Seattle/Tacoma Intl Airport are updated daily.

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

The number of operators available for flights from Austin Bergstrom Airport to Seattle/Tacoma Intl Airport is 8 as of September 2025.

How old do you have to be to fly from Austin Bergstrom Airport to Seattle/Tacoma Intl 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 Austin Bergstrom Airport to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$119 Cheap Flights from Austin to Seattle in 2025

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Find the cheapest flights from Austin to Seattle

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

7:00 am - 9:36 amAUS-SEA

4h 36mnonstop

9:09 am - 3:14 pmSEA-AUS

4h 05mnonstop

$197Alaska Airlines

Find Deal

Sat, Nov 8 - Tue, Nov 11

10:17 pm - 12:07 pmAUS-SEA

15h 50m2 stops

2:31 pm - 12:33 amSEA-AUS

8h 02m1 stop

$198Frontier

Find Deal

Fri, Oct 24 - Mon, Oct 27

9:23 pm - 8:39 pmAUS-SEA

25h 16m1 stop

7:00 am - 10:00 pmSEA-AUS

13h 00m1 stop

$203Frontier

Find Deal

Fri, Sep 26 - Sat, Oct 4

6:00 am - 12:07 pmAUS-SEA

8h 07m1 stop

8:43 pm - 9:21 amSEA-AUS

10h 38m1 stop

$206Frontier

Find Deal

Wed, Oct 8 - Sat, Oct 11

2:59 pm - 8:38 pmAUS-SEA

7h 39m1 stop

9:04 am - 3:10 pmSEA-AUS

4h 06mnonstop

$207Hawaiian Airlines

Find Deal

Sat, Sep 27 - Sat, Oct 4

6:00 am - 11:46 amAUS-SEA

7h 46m1 stop

5:50 pm - 11:56 pmSEA-AUS

4h 06mnonstop

$211Alaska Airlines

Find Deal

Wed, Oct 22 - Sat, Oct 25

8:00 am - 1:30 pmAUS-SEA

7h 30m1 stop

11:58 pm - 8:51 amSEA-AUS

6h 53m1 stop

$212United Airlines

Find Deal

Sat, Sep 20 - Sat, Sep 20

6:20 am - 8:54 amAUS-SEA

4h 34mnonstop

7:20 am - 1:34 pmSEA-AUS

4h 14mnonstop

$217Delta

Find Deal

Sat, Oct 4 - Tue, Oct 7

4:43 pm - 9:24 pmAUS-SEA

6h 41m1 stop

5:00 am - 3:22 pmSEA-AUS

8h 22m2 stops

$222United Airlines

Find Deal

Sat, Sep 27 - Sat, Oct 4

7:15 am - 9:42 amAUS-SEA

4h 27mnonstop

9:15 am - 3:26 pmSEA-AUS

4h 11mnonstop

$257Hawaiian Airlines

Find Deal

Sat, Sep 20 - Sat, Sep 27

Alaska Airlines flights from Austin to Seattle

Our best Alaska Airlines deals on Austin to Seattle flight tickets

Alaska Airlines

Nov 8

AUS7:00 amAustin Bergstrom

4h 36m

SEA9:36 amSeattle/Tacoma Intl

Nov 11

SEA9:09 amSeattle/Tacoma Intl

4h 05m

AUS3:14 pmAustin Bergstrom

$197

Find similar

Alaska Airlines

Oct 22

AUS6:00 amAustin Bergstrom

7h 46m

1 stop

SEA11:46 amSeattle/Tacoma Intl

Oct 25

SEA5:50 pmSeattle/Tacoma Intl

4h 06m

AUS11:56 pmAustin Bergstrom

$211

Find similar

Alaska Airlines

Oct 1

AUS6:00 amAustin Bergstrom

9h 45m

1 stop

SEA1:45 pmSeattle/Tacoma Intl

Oct 18

SEA8:15 pmSeattle/Tacoma Intl

14h 16m

1 stop

AUS12:31 pmAustin Bergstrom

$216

Find similar

Frontier flights from Austin to Seattle

Our best Frontier deals on Austin to Seattle flight tickets

Frontier

Oct 24

AUS10:17 pmAustin Bergstrom

15h 50m

2 stops

SEA12:07 pmSeattle/Tacoma Intl

Oct 27

SEA2:31 pmSeattle/Tacoma Intl

8h 02m

1 stop

AUS12:33 amAustin Bergstrom

$198

Find similar

Frontier

Sep 26

AUS9:23 pmAustin Bergstrom

25h 16m

1 stop

SEA8:39 pmSeattle/Tacoma Intl

Oct 4

SEA7:00 amSeattle/Tacoma Intl

13h 00m

1 stop

AUS10:00 pmAustin Bergstrom

$203

Find similar

Frontier

Oct 8

AUS6:00 amAustin Bergstrom

8h 07m

1 stop

SEA12:07 pmSeattle/Tacoma Intl

Oct 11

SEA8:43 pmSeattle/Tacoma Intl

10h 38m

1 stop

AUS9:21 amAustin Bergstrom

$206

Find similar

Fly from

Fly to

Route

Depart

Return

Price

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Sat 11/8

7:00 am-9:36 am

Nonstop4h 36m

Seattle/Tacoma Intl

Tue 11/11

9:09 am-3:14 pm

Nonstop4h 05m

$197

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Fri 10/24

10:17 pm-12:07 pm

2 stops15h 50m

Seattle/Tacoma Intl

Mon 10/27

2:31 pm-12:33 am

1 stop8h 02m

$198

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Fri 9/26

9:23 pm-8:39 pm

1 stop25h 16m

Seattle/Tacoma Intl

Sat 10/4

7:00 am-10:00 pm

1 stop13h 00m

$203

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Wed 10/8

6:00 am-12:07 pm

1 stop8h 07m

Seattle/Tacoma Intl

Sat 10/11

8:43 pm-9:21 am

1 stop10h 38m

$206

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Sat 9/27

2:59 pm-8:38 pm

1 stop7h 39m

Seattle/Tacoma Intl

Sat 10/4

9:04 am-3:10 pm

Nonstop4h 06m

$207

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Wed 10/22

6:00 am-11:46 am

1 stop7h 46m

Seattle/Tacoma Intl

Sat 10/25

5:50 pm-11:56 pm

Nonstop4h 06m

$211

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Sat 9/20

8:00 am-1:30 pm

1 stop7h 30m

Seattle/Tacoma Intl

Sat 9/20

11:58 pm-8:51 am

1 stop6h 53m

$212

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Sat 10/4

6:20 am-8:54 am

Nonstop4h 34m

Seattle/Tacoma Intl

Tue 10/7

7:20 am-1:34 pm

Nonstop4h 14m

$217

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Sat 9/27

4:43 pm-9:24 pm

1 stop6h 41m

Seattle/Tacoma Intl

Sat 10/4

5:00 am-3:22 pm

2 stops8h 22m

$222

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Sat 9/20

7:15 am-9:42 am

Nonstop4h 27m

Seattle/Tacoma Intl

Sat 9/27

9:15 am-3:26 pm

Nonstop4h 11m

$257

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 Austin to Seattle

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 Seattle?

In general, October is the cheapest month to fly from Austin to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $267. If you don’t want to visit Seattle in October, then you should wait until September to fly from Austin, when ticket prices are also cheap, with an average price of $277.

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

On average, the least expensive day to fly to Seattle from Austin is on a Thursday. momondo users have found tickets for Thursday departures for as low as $391. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Austin because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $525.

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

Flying to Seattle from Austin in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $390 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the evening, with an average ticket price of $488. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Austin Bergstrom to Seattle/Tacoma Intl flight route?

Fly from Austin Bergstrom to Seattle/Tacoma Intl for the best Austin Bergstrom - Seattle/Tacoma Intl flight prices

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Austin when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $337 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Austin for as low as $277 on momondo.

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

There are 4 cabin classes available to choose from on Austin Bergstrom to Seattle/Tacoma Intl 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 Austin to Seattle flights?

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

How have Austin to Seattle flight prices changed over time?

As of September 2025, prices for Austin to Seattle flights are approximately 8% cheaper when compared to flights at the same time last year.

When to book flights from Austin to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Austin to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Austin to Seattle (AUS to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Austin to Seattle

Best Price Found	$158
Fastest flight time	4h 25m
Direct flights	Every day
Airports in Seattle	1 airport

The best one-way flight to Seattle from Austin in the past 72 hours is $158. The best round-trip flight deal from Austin to Seattle found on momondo in the last 72 hours is $270.

The fastest flight from Austin to Seattle takes 4h 25m

Direct flights go from Austin to Seattle every day.

There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

Search flight deals

How far is Austin Bergstrom to Seattle/Tacoma Intl by plane?
Austin Bergstrom and Seattle/Tacoma Intl are 1768.1 mi apart from one another. A reasonable flight in good conditions will take 4h 27m.
When did momondo last update prices for flights from Austin Bergstrom Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Austin Bergstrom Airport to Seattle/Tacoma Intl Airport are updated daily.
How many operators does momondo search for flights from Austin Bergstrom Airport to Seattle/Tacoma Intl Airport?
The number of operators available for flights from Austin Bergstrom Airport to Seattle/Tacoma Intl Airport is 8 as of September 2025.
How old do you have to be to fly from Austin Bergstrom Airport to Seattle/Tacoma Intl 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 Austin Bergstrom Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Austin to Seattle?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Austin to Seattle is Boeing 737-900 Passenger/BBJ3 (winglets) (25.94% of total bookings). The next most popular plane models are Boeing 737 MAX 9 (22.71%), Boeing 737 (21.62%), and Airbus A319 (11.12%).
What is the most popular airline from Austin to Seattle?
momondo data reveals that the most frequently booked airline on the route from Austin to Seattle is Alaska Airlines, representing 52% of all bookings. The subsequent popular airlines are Delta at 32%, Hawaiian Airlines at 7%, and American Airlines at 4%.

Best airlines flying from Austin to Seattle

Compare and see reviews for airlines that fly from Austin to Seattle with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $62	Free Cancellation	Rating 6.3 8,009 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $138	Free Cancellation	Rating 5.8 3,200 reviews	Search Frontier flights
Southwest	PriceFrom $143	Free Cancellation	Rating 8.0 4,239 reviews	Search Southwest flights
Hawaiian Airlines	PriceFrom $146	Free Cancellation	Rating 7.8 2,701 reviews	Search Hawaiian Airlines flights
Delta	PriceFrom $178	Free Cancellation	Rating 7.9 7,974 reviews	Search Delta flights
Alaska Airlines	PriceFrom $201	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $216	Free Cancellation	Rating 7.4 8,936 reviews	Search United Airlines flights
American Airlines	PriceFrom $258	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights

Southwest Flights From Austin to Seattle
Southwest is one of the most popular airlines flying from Austin to Seattle, operating 6 flights/week on average for this route. A good Southwest flight deal for Austin to Seattle starts from $143 round-trip, up to an average price of $423. Our users have rated Southwest at 8.0/10.
Alaska Airlines Flights From Austin to Seattle
Alaska Airlines (8.0/10 from 10,000 reviews) operates around 11 flights from Austin to Seattle in any given week. The average Alaska Airlines airfare for this route is around $364, with deals from around $201 rare but found on momondo. Referenced prices are for round-trip Austin to Seattle flight searches in the last 72 hours.

Leavenworth

Tacoma

SeaTac

Ocean Shores

Olympia

Renton

Lynnwood

Kent

Marysville

Puyallup

Federal Way

Cle Elum

Tukwila

Kirkland

Centralia

Lakewood

Shoreline

Fife

Redmond

Westport

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Austin to Seattle. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Austin to Seattle flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Austin and Seattle by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Austin to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.

An easier way to manage your Seattle 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 Austin to Seattle from $119

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Austin to Seattle departing on 12/2. 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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Find the cheapest flights from Austin to Seattle

Cheap round-trip flights

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Alaska Airlines flights from Austin to Seattle

Our best Alaska Airlines deals on Austin to Seattle flight tickets

Frontier flights from Austin to Seattle

Our best Frontier deals on Austin to Seattle flight tickets

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

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How to get the cheapest flight ticket from Austin to Seattle

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 Seattle?

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

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

What is the cheapest Austin Bergstrom to Seattle/Tacoma Intl flight route?

Fly from Austin Bergstrom to Seattle/Tacoma Intl for the best Austin Bergstrom - Seattle/Tacoma Intl flight prices

How far in advance should I book a flight to Seattle?

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

There are 4 cabin classes available to choose from on Austin Bergstrom to Seattle/Tacoma Intl 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 Austin to Seattle flights?

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

How have Austin to Seattle flight prices changed over time?

As of September 2025, prices for Austin to Seattle flights are approximately 8% cheaper when compared to flights at the same time last year.

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

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

What airlines fly to Seattle?

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

Dallas (DFW) was the most common stop: 57% of momondo users choosing 1-stop flights on this route connected there.

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

Flights via Denver (DEN) offer the lowest average round-trip price of $138.

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

Flights connecting via Dallas (DFW) have the shortest average one-way travel time: 6h 29m.

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

Phoenix (PHX) has the shortest average layover time for this route: 1h 17m.

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

As of September 2025, there are 21 flights per day flying from Austin to Seattle. The most common time of day flights depart is 7:00AM, with 54% of flights taking off at noon.

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

As of September 2025, 153 flights take off from Austin and land in Seattle each week. The most common flight departure day for this route is Mon, with 19% of weekly flights taking off on this day.

When to book flights from Austin to Seattle

Cheap Austin to Seattle (AUS to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Austin to Seattle

Best Price Found

Fastest flight time

Direct flights

Airports in Seattle

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

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

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

How old do you have to be to fly from Austin Bergstrom Airport to Seattle/Tacoma Intl Airport?

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

What is the most popular plane model from Austin to Seattle?

What is the most popular airline from Austin to Seattle?

Best airlines flying from Austin to Seattle

Compare and see reviews for airlines that fly from Austin to Seattle with momondo

Southwest Flights From Austin to Seattle

Alaska Airlines Flights From Austin to Seattle

Traveling to a place near Seattle?

Why use momondo?

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

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

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

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

An easier way to manage your Seattle 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