What is the most punctual flight time for Austin to Seattle flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

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

Flights via Denver (DEN) offer the lowest average round-trip price of $331.

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 19m.

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

Dallas (DFW) has the shortest average layover time for this route: 2h 25m.

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

As of January 2026, 75 flights take off from Austin and land in Seattle each week. The most common flight departure day for this route is Thu, with 28% of weekly flights taking off on this day.

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

As of January 2026, there are 10 flights per day flying from Austin to Seattle. The most common time of day flights depart is 7:00AM, with 40% of flights taking off in the afternoon.

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

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

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

Dallas (DFW) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

How often are flights from Austin to Seattle delayed?

Historically, on average around 11% of flights between Austin and Seattle have experienced a delay on any given week. The average delay length over the past 12 months has been 161 minutes.

What airlines fly to Seattle?

Alaska Airlines, Delta and Hawaiian 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 52% 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.

Which airline has the best punctuality record on Austin to Seattle flights?

According to our data, Delta have had the least number of delays on this route over the last 12 months; with about 11% of their flights experiencing any sort of delay.

What day of the week experiences the fewest flight delays on this route?

Monday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

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 January 2026.

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.

$109 Cheap Flights from Austin to Seattle in 2026

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 pm - 9:45 pm

AUS

SEA

4h 45mnonstop

8:25 am - 2:35 pm

SEA

AUS

4h 10mnonstop

$187Hawaiian Airlines

sáb., feb. 14 - sáb., feb. 21

7:00 pm - 9:45 pm

AUS

SEA

4h 45mnonstop

1:16 pm - 12:16 am

SEA

AUS

9h 00m

1 stop

$188Multiple Airlines

sáb., feb. 14 - sáb., feb. 21

7:15 am - 10:00 am

AUS

SEA

4h 45mnonstop

1:16 pm - 12:16 am

SEA

AUS

9h 00m

1 stop

$189Multiple Airlines

sáb., feb. 14 - jue., feb. 19

6:55 am - 11:19 am

AUS

SEA

6h 24m

1 stop

12:34 pm - 12:16 am

SEA

AUS

9h 42m

1 stop

$190Frontier

vie., feb. 6 - lun., feb. 9

6:45 am - 12:01 pm

AUS

SEA

7h 16m

1 stop

12:00 pm - 9:21 am

SEA

AUS

19h 21m

1 stop

$191Frontier

sáb., feb. 28 - dom., mar. 1

7:00 pm - 9:45 pm

AUS

SEA

4h 45mnonstop

8:25 am - 2:35 pm

SEA

AUS

4h 10mnonstop

$192Alaska Airlines

sáb., feb. 28 - sáb., mar. 7

10:40 am - 9:36 am

AUS

SEA

24h 56m

2 stops

12:34 pm - 12:16 am

SEA

AUS

9h 42m

1 stop

$194Frontier

mié., feb. 4 - vie., feb. 6

4:55 pm - 7:38 pm

AUS

SEA

4h 43mnonstop

9:35 am - 4:00 pm

SEA

AUS

4h 25mnonstop

$197Delta

mar., feb. 10 - mar., feb. 17

6:45 am - 12:01 pm

AUS

SEA

7h 16m

1 stop

7:33 pm - 11:13 pm

SEA

AUS

25h 40m

2 stops

$198Frontier

sáb., feb. 28 - mar., mar. 3

6:45 am - 12:01 pm

AUS

SEA

7h 16m

1 stop

9:08 pm - 8:27 am

SEA

AUS

9h 19m

1 stop

$199Frontier

sáb., feb. 14 - sáb., mar. 7

Frontier flights from Austin to Seattle

Our best Frontier deals on Austin to Seattle flight tickets

Frontier

Feb 12

AUS12:24 pmAustin Bergstrom

49h 37m

2 stops

SEA12:01 pmSeattle/Tacoma Intl

Feb 19

SEA1:16 pmSeattle/Tacoma Intl

9h 00m

1 stop

AUS12:16 amAustin Bergstrom

$190

Frontier

Feb 28

AUS6:45 amAustin Bergstrom

7h 16m

1 stop

SEA12:01 pmSeattle/Tacoma Intl

Mar 1

SEA12:00 pmSeattle/Tacoma Intl

19h 21m

1 stop

AUS9:21 amAustin Bergstrom

$191

Frontier

Feb 28

AUS6:45 amAustin Bergstrom

7h 16m

1 stop

SEA12:01 pmSeattle/Tacoma Intl

Mar 3

SEA7:33 pmSeattle/Tacoma Intl

25h 40m

2 stops

AUS11:13 pmAustin Bergstrom

$198

United Airlines flights from Austin to Seattle

Our best United Airlines deals on Austin to Seattle flight tickets

United Airlines

Feb 14

AUS4:52 pmAustin Bergstrom

6h 20m

1 stop

SEA9:12 pmSeattle/Tacoma Intl

Feb 18

SEA5:00 amSeattle/Tacoma Intl

5h 55m

1 stop

AUS12:55 pmAustin Bergstrom

$219

United Airlines

Apr 16

AUS2:10 pmAustin Bergstrom

7h 35m

1 stop

SEA7:45 pmSeattle/Tacoma Intl

Apr 19

SEA11:59 pmSeattle/Tacoma Intl

6h 39m

1 stop

AUS8:38 amAustin Bergstrom

$237

United Airlines

Apr 16

AUS6:25 pmAustin Bergstrom

6h 31m

1 stop

SEA10:56 pmSeattle/Tacoma Intl

Apr 21

SEA8:55 amSeattle/Tacoma Intl

9h 04m

2 stops

AUS7:59 pmAustin Bergstrom

$242

Fly from

Fly to

Route

Depart

Return

Price

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

sáb. 2/14

7:00 pm-9:45 pm

Nonstop4h 45m

Seattle/Tacoma Intl

sáb. 2/21

8:25 am-2:35 pm

Nonstop4h 10m

$187

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

sáb. 2/14

7:00 pm-9:45 pm

Nonstop4h 45m

Seattle/Tacoma Intl

sáb. 2/21

1:16 pm-12:16 am

1 stop9h 00m

$188

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

sáb. 2/14

7:15 am-10:00 am

Nonstop4h 45m

Seattle/Tacoma Intl

jue. 2/19

1:16 pm-12:16 am

1 stop9h 00m

$189

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

vie. 2/6

6:55 am-11:19 am

1 stop6h 24m

Seattle/Tacoma Intl

lun. 2/9

12:34 pm-12:16 am

1 stop9h 42m

$190

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

sáb. 2/28

6:45 am-12:01 pm

1 stop7h 16m

Seattle/Tacoma Intl

dom. 3/1

12:00 pm-9:21 am

1 stop19h 21m

$191

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

sáb. 2/28

7:00 pm-9:45 pm

Nonstop4h 45m

Seattle/Tacoma Intl

sáb. 3/7

8:25 am-2:35 pm

Nonstop4h 10m

$192

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

mié. 2/4

10:40 am-9:36 am

2 stops24h 56m

Seattle/Tacoma Intl

vie. 2/6

12:34 pm-12:16 am

1 stop9h 42m

$194

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

mar. 2/10

4:55 pm-7:38 pm

Nonstop4h 43m

Seattle/Tacoma Intl

mar. 2/17

9:35 am-4:00 pm

Nonstop4h 25m

$197

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

sáb. 2/28

6:45 am-12:01 pm

1 stop7h 16m

Seattle/Tacoma Intl

mar. 3/3

7:33 pm-11:13 pm

2 stops25h 40m

$198

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

sáb. 2/14

6:45 am-12:01 pm

1 stop7h 16m

Seattle/Tacoma Intl

sáb. 3/7

9:08 pm-8:27 am

1 stop9h 19m

$199

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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

Delays

Layovers

Other information

What is the cheapest month to fly to Seattle?

In general, January 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 $255. If you don’t want to visit Seattle in January, 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 $388. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday 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 $532.

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 $415 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the morning, with an average ticket price of $430. Departure times in the morning 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 $315 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 $278 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?

You could potentially save up to 8% on your flight if you consider stops on a Austin to Seattle flight.

How have Austin to Seattle flight prices changed over time?

As of January 2026, prices for Austin to Seattle flights are approximately 14% 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	$231
Fastest flight time	4h 35m
Direct flights	Every day
Airports in Seattle	1 airport

The best one-way flight to Seattle from Austin in the past 72 hours is $231. The best round-trip flight deal from Austin to Seattle found on momondo in the last 72 hours is $245.

The fastest flight from Austin to Seattle takes 4h 35m

Direct flights go from Austin to Seattle every day.

There is 1 airport in Seattle. From Austin there are direct flights to 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 35m.
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 January 2026.
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 (29.67% of total bookings). The next most popular plane models are Boeing 737-800 Passenger/BBJ2 (winglets) (22.42%), Airbus A320-100/200 (15.42%), and Boeing 737-900 Passenger/BBJ3 (winglets) (13.86%).
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 49% of all bookings. The subsequent popular airlines are Delta at 34%, Hawaiian Airlines at 8%, and Frontier 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 $57	Free Cancellation	Rating 6.3 8,320 reviews	Search Spirit Airlines flights
Hawaiian Airlines	PriceFrom $118	Free Cancellation	Rating 7.8 2,827 reviews	Search Hawaiian Airlines flights
Frontier	PriceFrom $129	Free Cancellation	Rating 5.7 3,057 reviews	Search Frontier flights
Southwest	PriceFrom $143	Free Cancellation	Rating 8.0 4,258 reviews	Search Southwest flights
Delta	PriceFrom $173	Free Cancellation	Rating 7.9 8,050 reviews	Search Delta flights
Alaska Airlines	PriceFrom $183	Free Cancellation	Rating 8.0 11,721 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $195	Free Cancellation	Rating 7.4 9,164 reviews	Search United Airlines flights
American Airlines	PriceFrom $296	Free Cancellation	Rating 7.2 11,135 reviews	Search American Airlines flights

Alaska Airlines Flights From Austin to Seattle
Alaska Airlines is one of the most popular airlines flying from Austin to Seattle, operating 5 flights/week on average for this route. A good Alaska Airlines flight deal for Austin to Seattle starts from $183 round-trip, up to an average price of $334. Our users have rated Alaska Airlines at 8.0/10.
Delta Flights From Austin to Seattle
Delta (7.9/10 from 8,049 reviews) operates around 6 flights from Austin to Seattle in any given week. The average Delta airfare for this route is around $327, with deals from around $173 rare but found on momondo. Referenced prices are for round-trip Austin to Seattle flight searches in the last 72 hours.

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Marysville

Puyallup

Redmond

Tukwila

Cle Elum

Lakewood

Federal Way

Fife

Kirkland

Westport

Centralia

Shoreline

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 $109

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 2/10. 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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Use the filters below to find and compare flights from Austin to Seattle that are best for you.

See travel insights to Seattle from

How to get the cheapest flight ticket from Austin to Seattle

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?

You could potentially save up to 8% on your flight if you consider stops on a Austin to Seattle flight.

How have Austin to Seattle flight prices changed over time?

As of January 2026, prices for Austin to Seattle flights are approximately 14% 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, Southwest, and United Airlines are the most popular carriers operating from Austin Bergstrom to Seattle/Tacoma Intl

What airlines fly to Seattle?

How often are flights from Austin to Seattle delayed?

Historically, on average around 11% of flights between Austin and Seattle have experienced a delay on any given week. The average delay length over the past 12 months has been 161 minutes.

What is the most punctual flight time for Austin to Seattle flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Monday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Austin to Seattle flights?

According to our data, Delta have had the least number of delays on this route over the last 12 months; with about 11% of their flights experiencing any sort of delay.

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

Dallas (DFW) was the most common stop: 50% 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 $331.

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 19m.

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

Dallas (DFW) has the shortest average layover time for this route: 2h 25m.

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

As of January 2026, there are 10 flights per day flying from Austin to Seattle. The most common time of day flights depart is 7:00AM, with 40% of flights taking off in the afternoon.

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

As of January 2026, 75 flights take off from Austin and land in Seattle each week. The most common flight departure day for this route is Thu, with 28% 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

Alaska Airlines 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?