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Cheap flights from Austin to Seattle from $83

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 5/6. 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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0 bags

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Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Austin to Seattle.
Spirit Airlines Logo
9:20 pm - 7:51 pmAUS-SEA
24h 31m1 stop
Spirit Airlines Logo
8:56 pm - 10:30 amSEA-AUS
11h 34m1 stop
$168Spirit Airlines
Find Deal
Thu, Apr 24 - Sun, Apr 27
Spirit Airlines Logo
5:30 am - 11:35 amAUS-SEA
8h 05m1 stop
Spirit Airlines Logo
12:30 pm - 12:52 amSEA-AUS
10h 22m1 stop
$171Spirit Airlines
Find Deal
Wed, Apr 30 - Sat, May 3
Alaska Airlines Logo
7:30 am - 10:08 amAUS-SEA
4h 38mnonstop
Alaska Airlines Logo
12:12 pm - 6:27 pmSEA-AUS
4h 15mnonstop
$211Alaska Airlines
Find Deal
Sat, Apr 26 - Sat, Apr 26
Alaska Airlines Logo
1:27 pm - 4:06 pmAUS-SEA
4h 39mnonstop
Alaska Airlines Logo
11:59 pm - 6:05 amSEA-AUS
4h 06mnonstop
$217Alaska Airlines
Find Deal
Tue, May 6 - Wed, May 14
Frontier Logo
6:00 am - 11:31 amAUS-SEA
7h 31m1 stop
Frontier Logo
12:31 pm - 11:20 pmSEA-AUS
8h 49m1 stop
$240Frontier
Find Deal
Mon, May 5 - Mon, May 12
Frontier Logo
12:55 pm - 12:44 amAUS-SEA
13h 49m1 stop
Frontier Logo
12:21 pm - 11:20 pmSEA-AUS
8h 59m1 stop
$250Frontier
Find Deal
Thu, May 8 - Sun, May 11
Delta Logo
10:25 am - 12:59 pmAUS-SEA
4h 34mnonstop
Delta Logo
7:20 am - 1:29 pmSEA-AUS
4h 09mnonstop
$257Delta
Find Deal
Tue, Jun 3 - Wed, Jul 23
Delta Logo
7:30 am - 8:50 pmAUS-SEA
15h 20m2 stops
Delta Logo
5:30 pm - 11:42 pmSEA-AUS
4h 12mnonstop
$285Delta
Find Deal
Tue, May 6 - Thu, May 15
American Airlines Logo
8:15 pm - 12:45 amAUS-SEA
6h 30m1 stop
American Airlines Logo
3:17 pm - 11:40 pmSEA-AUS
6h 23m1 stop
$290American Airlines
Find Deal
Mon, Jun 2 - Tue, Jun 10
American Airlines Logo
8:25 am - 2:09 pmAUS-SEA
7h 44m1 stop
American Airlines Logo
5:15 am - 1:16 pmSEA-AUS
6h 01m1 stop
$347American Airlines
Find Deal
Fri, Jun 27 - Sat, Jul 5

Frontier flights from Austin to Seattle

Our best Frontier deals on Austin to Seattle flight tickets
Frontier
May 5
AUS6:00 amAustin Bergstrom
7h 31m
1 stop
SEA11:31 amSeattle/Tacoma Intl
May 12
SEA12:31 pmSeattle/Tacoma Intl
8h 49m
1 stop
AUS11:20 pmAustin Bergstrom
Frontier
May 8
AUS12:55 pmAustin Bergstrom
13h 49m
1 stop
SEA12:44 amSeattle/Tacoma Intl
May 11
SEA12:21 pmSeattle/Tacoma Intl
8h 59m
1 stop
AUS11:20 pmAustin Bergstrom
Frontier
Apr 18
AUS3:51 pmAustin Bergstrom
19h 44m
1 stop
SEA9:35 amSeattle/Tacoma Intl
Apr 21
SEA11:36 amSeattle/Tacoma Intl
26h 05m
1 stop
AUS3:41 pmAustin Bergstrom

Alaska Airlines flights from Austin to Seattle

Our best Alaska Airlines deals on Austin to Seattle flight tickets
Alaska Airlines
Apr 26
AUS7:30 amAustin Bergstrom
4h 38m
SEA10:08 amSeattle/Tacoma Intl
Apr 26
SEA12:12 pmSeattle/Tacoma Intl
4h 15m
AUS6:27 pmAustin Bergstrom
Alaska Airlines
May 6
AUS1:27 pmAustin Bergstrom
4h 39m
SEA4:06 pmSeattle/Tacoma Intl
May 14
SEA11:59 pmSeattle/Tacoma Intl
4h 06m
AUS6:05 amAustin Bergstrom
Alaska Airlines
May 6
AUS7:27 pmAustin Bergstrom
4h 33m
SEA10:00 pmSeattle/Tacoma Intl
May 17
SEA6:30 amSeattle/Tacoma Intl
8h 05m
1 stop
AUS4:35 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 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 $266. 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 $388. 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 $530.

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 $389 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the evening, with an average ticket price of $528. 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 6 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $348 when searching 6 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 $307 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.

How have Austin to Seattle flight prices changed over time?

As of April 2025, prices for Austin to Seattle flights are approximately 15% 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

$83

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 $83. The best round-trip flight deal from Austin to Seattle found on momondo in the last 72 hours is $168.
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 30m.

  • 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
7,890 reviews
Search Spirit Airlines flights
FrontierPriceFrom $127Free CancellationRating
5.9
3,277 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $148Free CancellationRating
7.9
2,347 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $177Free CancellationRating
8.0
7,897 reviews
Search Delta flights
Alaska AirlinesPriceFrom $196Free CancellationRating
8.0
9,835 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $216Free CancellationRating
7.4
8,619 reviews
Search United Airlines flights
American AirlinesPriceFrom $266Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $287Free CancellationRating
8.0
4,275 reviews
Search Southwest flights
  • Delta Flights From Austin to Seattle

    Delta is one of the most popular airlines flying from Austin to Seattle, operating 9 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 $358. Our users have rated Delta at 8.0/10.

  • Alaska Airlines Flights From Austin to Seattle

    Alaska Airlines (8.0/10 from 9,833 reviews) operates around 5 flights from Austin to Seattle in any given week. The average Alaska Airlines airfare for this route is around $381, 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
Kent
Renton
Federal Way
Tukwila
Puyallup
Kirkland
Lakewood
Lynnwood
Fife
Shoreline
Marysville
Centralia
Redmond
Cle Elum
Lacey

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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