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Cheap flights from Austin to Seattle from $53

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 9/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Frontier Logo
7:44 am - 11:45 amAUS-SEA
6h 01m1 stop
Frontier Logo
6:41 am - 7:46 pmSEA-AUS
11h 05m1 stop
$139Frontier
Find Deal
Sat, Aug 23 - Wed, Aug 27
Frontier Logo
7:50 am - 8:43 pmAUS-SEA
14h 53m1 stop
Frontier Logo
7:00 am - 10:00 pmSEA-AUS
13h 00m1 stop
$186Frontier
Find Deal
Sat, Sep 6 - Sat, Sep 13
Frontier Logo
7:44 am - 11:45 amAUS-SEA
6h 01m1 stop
Frontier Logo
6:41 am - 7:46 pmSEA-AUS
11h 05m1 stop
$187Frontier
Find Deal
Sat, Aug 30 - Tue, Sep 2
Hawaiian Airlines Logo
1:36 pm - 3:59 pmAUS-SEA
4h 23mnonstop
Hawaiian Airlines Logo
9:15 am - 3:26 pmSEA-AUS
4h 11mnonstop
$190Hawaiian Airlines
Find Deal
Sat, Aug 16 - Sat, Aug 23
Hawaiian Airlines Logo
7:30 pm - 10:07 pmAUS-SEA
4h 37mnonstop
Hawaiian Airlines Logo
9:15 am - 3:26 pmSEA-AUS
4h 11mnonstop
$194Hawaiian Airlines
Find Deal
Sat, Aug 16 - Sat, Aug 23
Delta Logo
6:20 pm - 8:50 pmAUS-SEA
4h 30mnonstop
Delta Logo
5:45 pm - 11:54 pmSEA-AUS
4h 09mnonstop
$197Delta
Find Deal
Wed, Aug 13 - Wed, Aug 20
American Airlines Logo
6:00 am - 10:25 amAUS-SEA
6h 25m1 stop
American Airlines Logo
12:46 am - 11:10 amSEA-AUS
8h 24m1 stop
$218American Airlines
Find Deal
Sat, Aug 16 - Fri, Aug 22
Alaska Airlines Logo
7:15 am - 9:40 amAUS-SEA
4h 25mnonstop
Alaska Airlines Logo
11:41 am - 10:59 pmSEA-AUS
9h 18m1 stop
$221Alaska Airlines
Find Deal
Wed, Aug 13 - Wed, Aug 13
Alaska Airlines Logo
5:50 pm - 10:29 pmAUS-SEA
6h 39m1 stop
Alaska Airlines Logo
7:50 am - 4:50 pmSEA-AUS
7h 00m1 stop
$236Alaska Airlines
Find Deal
Sat, Sep 20 - Tue, Sep 30
Delta Logo
6:15 pm - 8:50 pmAUS-SEA
4h 35mnonstop
Delta Logo
7:20 am - 1:28 pmSEA-AUS
4h 08mnonstop
$237Delta
Find Deal
Wed, Sep 17 - Sun, Sep 21

Frontier flights from Austin to Seattle

Our best Frontier deals on Austin to Seattle flight tickets
Frontier
Aug 23
AUS7:44 amAustin Bergstrom
6h 01m
1 stop
SEA11:45 amSeattle/Tacoma Intl
Aug 27
SEA6:41 amSeattle/Tacoma Intl
11h 05m
1 stop
AUS7:46 pmAustin Bergstrom
Frontier
Sep 6
AUS7:50 amAustin Bergstrom
14h 53m
1 stop
SEA8:43 pmSeattle/Tacoma Intl
Sep 13
SEA7:00 amSeattle/Tacoma Intl
13h 00m
1 stop
AUS10:00 pmAustin Bergstrom
Frontier
Aug 30
AUS7:44 amAustin Bergstrom
6h 01m
1 stop
SEA11:45 amSeattle/Tacoma Intl
Sep 2
SEA6:41 amSeattle/Tacoma Intl
11h 05m
1 stop
AUS7:46 pmAustin Bergstrom

Hawaiian Airlines flights from Austin to Seattle

Our best Hawaiian Airlines deals on Austin to Seattle flight tickets
Hawaiian Airlines
Aug 16
AUS1:36 pmAustin Bergstrom
4h 23m
SEA3:59 pmSeattle/Tacoma Intl
Aug 23
SEA9:15 amSeattle/Tacoma Intl
4h 11m
AUS3:26 pmAustin Bergstrom
Hawaiian Airlines
Aug 16
AUS7:30 pmAustin Bergstrom
4h 37m
SEA10:07 pmSeattle/Tacoma Intl
Aug 23
SEA9:15 amSeattle/Tacoma Intl
4h 11m
AUS3:26 pmAustin Bergstrom
Hawaiian Airlines
Aug 16
AUS6:00 pmAustin Bergstrom
5h 54m
1 stop
SEA9:54 pmSeattle/Tacoma Intl
Aug 23
SEA9:15 amSeattle/Tacoma Intl
4h 11m
AUS3:26 pmAustin Bergstrom

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 typical price of a round-trip flight between Austin and Seattle?

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 $262. 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 $276.

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 $389. 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 $506.

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 $378 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the evening, with an average ticket price of $512. 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 $341 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 $290 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 28% 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

$53

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 $53. The best round-trip flight deal from Austin to Seattle found on momondo in the last 72 hours is $139.
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)

  • 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?

  • 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?

  • 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
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $84Free CancellationRating
6.3
8,086 reviews
Search Spirit Airlines flights
FrontierPriceFrom $138Free CancellationRating
5.9
3,286 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $151Free CancellationRating
7.8
2,545 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $177Free CancellationRating
8.0
7,982 reviews
Search Delta flights
Alaska AirlinesPriceFrom $196Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $216Free CancellationRating
7.4
8,861 reviews
Search United Airlines flights
SouthwestPriceFrom $256Free CancellationRating
8.0
4,266 reviews
Search Southwest flights
American AirlinesPriceFrom $257Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
  • Delta Flights From Austin to Seattle

    Delta is one of the most popular airlines flying from Austin to Seattle, operating 11 flights/week on average for this route. A good Delta flight deal for Austin to Seattle starts from $177 round-trip, up to an average price of $332. Our users have rated Delta at 8.0/10.

  • Alaska Airlines Flights From Austin to Seattle

    Alaska Airlines (8.0/10 from 10,000 reviews) operates around 15 flights from Austin to Seattle in any given week. The average Alaska Airlines airfare for this route is around $357, with deals from around $196 rare but found on momondo. Referenced prices are for round-trip Austin to Seattle flight searches in the last 72 hours.


Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
Tacoma
SeaTac
Ocean Shores
Olympia
Renton
Federal Way
Kent
Lynnwood
Puyallup
Tukwila
Kirkland
Marysville
Lakewood
Fife
Shoreline
Centralia
Cle Elum
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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1 adult
Tue 7/8
Tue 7/15

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