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

As of July 2025, there are 26 flights per day flying from Austin to Seattle. The most common time of day flights depart is 7:00AM, with 61% of flights taking off at noon.

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 57% 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?

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

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

As of July 2025, 188 flights take off from Austin and land in Seattle each week. The most common flight departure day for this route is Wed, with 21% of weekly flights taking off on this day.

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 July 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.

$99 Cheap Flights from Austin to Seattle in 2025

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One-way

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Cheap round-trip flights

11:50 am - 4:25 pmAUS-SEA

6h 35m1 stop

5:30 pm - 11:00 amSEA-AUS

15h 30m1 stop

$174

Find Deal

Sun, Aug 3 - Wed, Aug 6

7:15 am - 9:42 amAUS-SEA

4h 27mnonstop

9:15 am - 3:26 pmSEA-AUS

4h 11mnonstop

$181Hawaiian Airlines

Find Deal

Sat, Aug 23 - Sat, Aug 30

6:20 am - 8:54 amAUS-SEA

4h 34mnonstop

11:15 am - 5:28 pmSEA-AUS

4h 13mnonstop

$197Delta

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Sat, Sep 27 - Sat, Oct 4

7:15 am - 9:42 amAUS-SEA

4h 27mnonstop

1:40 pm - 12:55 amSEA-AUS

9h 15m1 stop

$201Alaska Airlines

Find Deal

Thu, Sep 4 - Thu, Sep 4

6:00 am - 11:25 amAUS-SEA

7h 25m1 stop

8:08 pm - 12:40 pmSEA-AUS

14h 32m1 stop

$216Alaska Airlines

Find Deal

Sat, Sep 13 - Sat, Sep 20

5:00 am - 9:21 amAUS-SEA

6h 21m1 stop

7:45 am - 6:17 pmSEA-AUS

8h 32m1 stop

$218American Airlines

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Wed, Aug 13 - Wed, Aug 20

7:45 am - 12:31 amAUS-SEA

18h 46m1 stop

6:00 am - 11:34 pmSEA-AUS

15h 34m1 stop

$224Frontier

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Sat, Oct 11 - Sat, Oct 18

7:50 am - 8:43 pmAUS-SEA

14h 53m1 stop

7:00 am - 10:00 pmSEA-AUS

13h 00m1 stop

$227Frontier

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Sat, Sep 6 - Sat, Sep 13

2:33 pm - 7:16 pmAUS-SEA

6h 43m1 stop

5:25 am - 1:43 pmSEA-AUS

6h 18m1 stop

$238American Airlines

Find Deal

Mon, Aug 18 - Wed, Aug 20

7:20 am - 6:05 pmAUS-SEA

12h 45m2 stops

11:15 am - 5:25 pmSEA-AUS

4h 10mnonstop

$249Delta

Find Deal

Tue, Sep 2 - Wed, Sep 10

Hawaiian Airlines flights from Austin to Seattle

Our best Hawaiian Airlines deals on Austin to Seattle flight tickets

Hawaiian Airlines

Aug 23

AUS7:15 amAustin Bergstrom

4h 27m

SEA9:42 amSeattle/Tacoma Intl

Aug 30

SEA9:15 amSeattle/Tacoma Intl

4h 11m

AUS3:26 pmAustin Bergstrom

$181

Find similar

Hawaiian Airlines

Aug 23

AUS7:15 amAustin Bergstrom

4h 27m

SEA9:42 amSeattle/Tacoma Intl

Aug 30

SEA9:15 amSeattle/Tacoma Intl

4h 11m

AUS3:26 pmAustin Bergstrom

$191

Find similar

Hawaiian Airlines

Aug 19

AUS1:36 pmAustin Bergstrom

4h 23m

SEA3:59 pmSeattle/Tacoma Intl

Aug 26

SEA12:20 pmSeattle/Tacoma Intl

4h 16m

AUS6:36 pmAustin Bergstrom

$193

Find similar

Alaska Airlines flights from Austin to Seattle

Our best Alaska Airlines deals on Austin to Seattle flight tickets

Alaska Airlines

Sep 4

AUS7:15 amAustin Bergstrom

4h 27m

SEA9:42 amSeattle/Tacoma Intl

Sep 4

SEA1:40 pmSeattle/Tacoma Intl

9h 15m

1 stop

AUS12:55 amAustin Bergstrom

$201

Find similar

Alaska Airlines

Sep 13

AUS6:00 amAustin Bergstrom

7h 25m

1 stop

SEA11:25 amSeattle/Tacoma Intl

Sep 20

SEA8:08 pmSeattle/Tacoma Intl

14h 32m

1 stop

AUS12:40 pmAustin Bergstrom

$216

Find similar

Alaska Airlines

Aug 16

AUS1:36 pmAustin Bergstrom

4h 23m

SEA3:59 pmSeattle/Tacoma Intl

Aug 16

SEA5:56 pmSeattle/Tacoma Intl

4h 09m

AUS12:05 amAustin Bergstrom

$231

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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

Prices

Airlines

Other information

What is the cheapest month to fly to Seattle?

In general, September 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 September, then you should wait until October to fly from Austin, when ticket prices are also cheap, with an average price of $267.

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 $390. 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 $512.

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 $379 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the evening, with an average ticket price of $506. 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 $336 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 $276 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 July 2025, prices for Austin to Seattle flights are approximately 36% 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	$99
Fastest flight time	4h 23m
Direct flights	Every day
Airports in Seattle	1 airport

The best one-way flight to Seattle from Austin in the past 72 hours is $99. The best round-trip flight deal from Austin to Seattle found on momondo in the last 72 hours is $174.

The fastest flight from Austin to Seattle takes 4h 23m

Direct flights go from Austin to Seattle every day.

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

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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 23m.
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 July 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) (26.03% of total bookings). The next most popular plane models are Boeing 737 (24.76%), Boeing 737 MAX 9 (21.60%), and Boeing 737-800 Passenger/BBJ2 (winglets) (11.24%).
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 53% of all bookings. The subsequent popular airlines are Delta at 32%, Hawaiian Airlines at 5%, 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 $76	Free Cancellation	Rating 6.3 8,035 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $138	Free Cancellation	Rating 5.9 3,251 reviews	Search Frontier flights
Southwest	PriceFrom $143	Free Cancellation	Rating 8.0 4,241 reviews	Search Southwest flights
Hawaiian Airlines	PriceFrom $149	Free Cancellation	Rating 7.8 2,581 reviews	Search Hawaiian Airlines flights
Delta	PriceFrom $177	Free Cancellation	Rating 8.0 7,958 reviews	Search Delta flights
Alaska Airlines	PriceFrom $196	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $216	Free Cancellation	Rating 7.4 8,864 reviews	Search United Airlines flights
American Airlines	PriceFrom $256	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 2 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 $429. Our users have rated Southwest at 8.0/10.
Delta Flights From Austin to Seattle
Delta (8.0/10 from 7,958 reviews) operates around 17 flights from Austin to Seattle in any given week. The average Delta airfare for this route is around $330, with deals from around $177 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

Kent

Federal Way

Lynnwood

Puyallup

Marysville

Tukwila

Kirkland

Shoreline

Lakewood

Fife

Cle Elum

Centralia

Westport

Redmond

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.

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Cheap flights from Austin to Seattle 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 Austin to Seattle departing on 8/19. 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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Hawaiian Airlines flights from Austin to Seattle

Our best Hawaiian Airlines deals on Austin to Seattle flight tickets

Alaska Airlines flights from Austin to Seattle

Our best Alaska Airlines deals on Austin to Seattle flight tickets

See travel insights to Seattle from

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 July 2025, prices for Austin to Seattle flights are approximately 36% 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?

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

What airlines fly to Seattle?

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

As of July 2025, there are 26 flights per day flying from Austin to Seattle. The most common time of day flights depart is 7:00AM, with 61% of flights taking off at noon.

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

As of July 2025, 188 flights take off from Austin and land in Seattle each week. The most common flight departure day for this route is Wed, with 21% 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

Delta 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

Airports servicing Washington