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Cheap flights from Seattle to Austin from $75

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Austin departing on 8/26. 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
6:41 am - 7:46 pmSEA-AUS
11h 05m1 stop
Frontier Logo
12:39 pm - 5:39 pmAUS-SEA
7h 00m1 stop
$123Frontier
Find Deal
Wed, Sep 3 - Thu, Sep 11
Frontier Logo
6:41 am - 7:46 pmSEA-AUS
11h 05m1 stop
Frontier Logo
12:39 pm - 5:39 pmAUS-SEA
7h 00m1 stop
$190Frontier
Find Deal
Tue, Sep 2 - Thu, Sep 11
Frontier Logo
7:00 am - 10:00 pmSEA-AUS
13h 00m1 stop
Frontier Logo
8:00 am - 10:59 pmAUS-SEA
16h 59m1 stop
$192Frontier
Find Deal
Sat, Sep 6 - Wed, Sep 10
Alaska Airlines Logo
9:15 am - 3:26 pmSEA-AUS
4h 11mnonstop
Alaska Airlines Logo
1:40 pm - 4:05 pmAUS-SEA
4h 25mnonstop
$197Alaska Airlines
Find Deal
Sat, Sep 6 - Tue, Sep 9
Delta Logo
7:23 am - 1:35 pmSEA-AUS
4h 12mnonstop
Delta Logo
6:25 am - 8:53 amAUS-SEA
4h 28mnonstop
$207Delta
Find Deal
Tue, Aug 12 - Sat, Aug 23
Hawaiian Airlines Logo
11:59 pm - 6:07 amSEA-AUS
4h 08mnonstop
Hawaiian Airlines Logo
1:40 pm - 4:05 pmAUS-SEA
4h 25mnonstop
$214Hawaiian Airlines
Find Deal
Sat, Aug 16 - Sat, Aug 23
Hawaiian Airlines Logo
11:59 pm - 6:07 amSEA-AUS
4h 08mnonstop
Hawaiian Airlines Logo
7:21 am - 2:26 pmAUS-SEA
9h 05m1 stop
$215Hawaiian Airlines
Find Deal
Sat, Aug 16 - Sat, Aug 23
Delta Logo
7:20 am - 1:33 pmSEA-AUS
4h 13mnonstop
Delta Logo
12:10 pm - 2:45 pmAUS-SEA
4h 35mnonstop
$217Delta
Find Deal
Wed, Oct 15 - Wed, Oct 29
Alaska Airlines Logo
7:50 am - 4:50 pmSEA-AUS
7h 00m1 stop
Alaska Airlines Logo
5:50 pm - 10:29 pmAUS-SEA
6h 39m1 stop
$236Alaska Airlines
Find Deal
Wed, Sep 3 - Wed, Sep 10
American Airlines Logo
12:46 am - 11:08 amSEA-AUS
8h 22m1 stop
American Airlines Logo
4:40 pm - 9:36 pmAUS-SEA
6h 56m1 stop
$238American Airlines
Find Deal
Fri, Aug 15 - Sat, Aug 23

Alaska Airlines flights from Seattle to Austin

Our best Alaska Airlines deals on Seattle to Austin flight tickets
Alaska Airlines
Sep 6
SEA9:15 amSeattle/Tacoma Intl
4h 11m
AUS3:26 pmAustin Bergstrom
Sep 9
AUS1:40 pmAustin Bergstrom
4h 25m
SEA4:05 pmSeattle/Tacoma Intl
Alaska Airlines
Sep 3
SEA7:50 amSeattle/Tacoma Intl
7h 00m
1 stop
AUS4:50 pmAustin Bergstrom
Sep 10
AUS5:50 pmAustin Bergstrom
6h 39m
1 stop
SEA10:29 pmSeattle/Tacoma Intl
Alaska Airlines
Sep 3
SEA9:07 amSeattle/Tacoma Intl
4h 11m
AUS3:18 pmAustin Bergstrom
Sep 15
AUS7:53 pmAustin Bergstrom
4h 34m
SEA10:27 pmSeattle/Tacoma Intl

Hawaiian Airlines flights from Seattle to Austin

Our best Hawaiian Airlines deals on Seattle to Austin flight tickets
Hawaiian Airlines
Aug 16
SEA11:59 pmSeattle/Tacoma Intl
4h 08m
AUS6:07 amAustin Bergstrom
Aug 23
AUS1:40 pmAustin Bergstrom
4h 25m
SEA4:05 pmSeattle/Tacoma Intl
Hawaiian Airlines
Aug 16
SEA11:59 pmSeattle/Tacoma Intl
4h 08m
AUS6:07 amAustin Bergstrom
Aug 23
AUS7:21 amAustin Bergstrom
9h 05m
1 stop
SEA2:26 pmSeattle/Tacoma Intl
Hawaiian Airlines
Aug 16
SEA9:03 amSeattle/Tacoma Intl
4h 08m
AUS3:11 pmAustin Bergstrom
Aug 23
AUS7:21 amAustin Bergstrom
9h 05m
1 stop
SEA2:26 pmSeattle/Tacoma Intl

See travel insights to Austin from

How to get the cheapest flight ticket from Seattle to Austin

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 Austin?

The cheapest month to fly to Austin from Seattle is in September. Flight prices, which tend to average around $261, are often lower during this time because this is during the off-season. If you’re not able to fly to Austin in September, then January is your next best option. Flight prices from Seattle to Austin during January average around $296.

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

The cheapest day to depart on your flight to Austin is on a Wednesday when prices can be found for as low as $331. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to Austin for around $428.

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

In the afternoon is the cheapest time of day to fly from Seattle to Austin when you can find flight prices for as low as $345. Flying to Austin in the afternoon is an ideal time because this is during off-peak travel hours. Flights to Austin are more costly in the evening, with an average ticket price of $399. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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

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

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

You are more likely to see cheaper flights to Austin from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Austin for around $355 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Austin from Seattle for as low as $273 on momondo.

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

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Austin Bergstrom flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Seattle to Austin flight prices changed over time?

As of July 2025, prices for Seattle to Austin flights are approximately 13% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to Austin

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

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

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

Best Price Found

$75

Fastest flight time

4h 06m

Direct flights

Every day

Airports in Austin

1 airport
The best one-way flight to Austin from Seattle in the past 72 hours is $75. The best round-trip flight deal from Seattle to Austin found on momondo in the last 72 hours is $123.
The fastest flight from Seattle to Austin takes 4h 06m
Direct flights go from Seattle to Austin every day.
There is 1 airport near Austin: Austin Bergstrom (AUS)

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

    There are 1768.1 mi between Seattle/Tacoma Intl and Austin Bergstrom. In terms of flight time, this usually takes a little over 4h 06m.

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

    Prices for flights from Seattle/Tacoma Intl Airport to Austin Bergstrom Airport are refreshed on a daily basis.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Austin Bergstrom Airport.

  • What documentation or ID do you need to fly to Austin Bergstrom Airport?

    The travel and health documents required for your trip to Austin Bergstrom Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Austin Bergstrom Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

  • What is the most popular airline from Seattle to Austin?


Best airlines flying from Seattle to Austin

Compare and see reviews for airlines that fly from Seattle to Austin with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $64Free CancellationRating
6.3
8,103 reviews
Search Spirit Airlines flights
FrontierPriceFrom $130Free CancellationRating
5.9
3,291 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $138Free CancellationRating
7.8
2,542 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $181Free CancellationRating
8.0
7,975 reviews
Search Delta flights
Alaska AirlinesPriceFrom $211Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $216Free CancellationRating
7.4
8,858 reviews
Search United Airlines flights
American AirlinesPriceFrom $238Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $276Free CancellationRating
8.0
4,272 reviews
Search Southwest flights
  • Delta Flights From Seattle to Austin

    Delta operates around 11 flights from Seattle to Austin every week. The average price of these flights found in the last 72 hours has been $340, but momondo users have found Delta deals from Seattle to Austin from as low as $181 round-trip. Delta has been scored 8.0/10 in 7,975 reviews.

  • Alaska Airlines Flights From Seattle to Austin

    Alaska Airlines is also a popular choice for this route. Alaska Airlines flight deals for Seattle to Austin start from as low as $211 round-trip, depending on your selected dates, with average Alaska Airlines deals seen on momondo around $389. Alaska Airlines operates 20 flights to Austin from Seattle in an average week. Users have rated it 8.0/10 across 10,000 reviews.


Traveling to a place near Austin?

Book flights to Austin if you plan to visit one of these locations
Fredericksburg
San Marcos
Round Rock
Wimberley
Georgetown
Canyon Lake
Marble Falls
Dripping Springs
Cedar Park
Horseshoe Bay
Pflugerville
Seguin
Bastrop
Kyle
Buda
Flatonia

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seattle to Austin. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Austin from Seattle which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for Seattle to Austin flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Seattle to Austin flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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1 adult
Mon 7/7
Mon 7/14

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