$94 Cheap Flights from Austin (AUS) to Seattle (SEA)

View $94 flight on Tue, Sep 23, 2025Opens in a new window

Popular airlines from Austin-Bergstrom Intl. Airport (AUS) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Austin to Seattle (AUS-SEA)

Prices were available within the past 7 days and start at $94 for one-way flights and $197 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, Sep 13 - Wed, Sep 17
AUS
Austin
SEA
Seattle
$197 Roundtrip, just found
$197
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Sep 13 from Austin to Seattle, returning Wed, Sep 17, priced at $197 just found
Delta
Wed, Oct 8 - Tue, Oct 14
AUS
Austin
SEA
Seattle
$197 Roundtrip, just found
$197
Roundtrip
just found
Select Delta flight, departing Wed, Oct 8 from Austin to Seattle, returning Tue, Oct 14, priced at $197 just found
United
Sat, Nov 8 - Tue, Nov 11
AUS
Austin
SEA
Seattle
$202 Roundtrip, found 1 hour ago
$202
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Nov 8 from Austin to Seattle, returning Tue, Nov 11, priced at $202 found 1 hour ago
Alaska Airlines
Wed, Oct 22 - Tue, Oct 28
AUS
Austin
SEA
Seattle
$204 Roundtrip, found 1 hour ago
$204
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Wed, Oct 22 from Austin to Seattle, returning Tue, Oct 28, priced at $204 found 1 hour ago
United
Tue, Aug 26 - Sat, Sep 6
AUS
Austin
SEA
Seattle
$212 Roundtrip, just found
$212
Roundtrip
just found
Select United flight, departing Tue, Aug 26 from Austin to Seattle, returning Sat, Sep 6, priced at $212 just found
United
Tue, Sep 23 - Wed, Sep 24
AUS
Austin
SEA
Seattle
$214 Roundtrip, found 12 hours ago
$214
Roundtrip
found 12 hours ago
Select United flight, departing Tue, Sep 23 from Austin to Seattle, returning Wed, Sep 24, priced at $214 found 12 hours ago
Alaska Airlines
Wed, Oct 22 - Tue, Oct 28
AUS
Austin
SEA
Seattle
$214 Roundtrip, found 1 hour ago
$214
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Wed, Oct 22 from Austin to Seattle, returning Tue, Oct 28, priced at $214 found 1 hour ago
Alaska Airlines
Sat, Sep 6 - Tue, Sep 16
AUS
Austin
SEA
Seattle
$216 Roundtrip, just found
$216
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Sep 6 from Austin to Seattle, returning Tue, Sep 16, priced at $216 just found
American Airlines
Wed, Oct 8 - Tue, Oct 14
AUS
Austin
SEA
Seattle
$217 Roundtrip, just found
$217
Roundtrip
just found
Select American Airlines flight, departing Wed, Oct 8 from Austin to Seattle, returning Tue, Oct 14, priced at $217 just found
Southwest Airlines
Wed, Oct 8 - Tue, Oct 14
AUS
Austin
SEA
Seattle
$217 Roundtrip, just found
$217
Roundtrip
just found
Select Southwest Airlines flight, departing Wed, Oct 8 from Austin to Seattle, returning Tue, Oct 14, priced at $217 just found

Find the cheapest month to fly from Austin (AUS) to Seattle (SEA)

August is typically the cheapest month to fly

From $117 - $392 per traveler.

Graph displaying average flight prices per month

Alternative airports near Seattle

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Boeing Field BFI. Cheapest option available. Average driving time to city center is 10 minutes. Flights from $955
BFI
Boeing Field
Cheapest
Average driving time to city center10 min
Flights from $955
Flights from Austin (AUS) to Seattle (SEA)
Origin airport
Austin-Bergstrom Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$195
Distance
1768 mi
Average flight time
2 hours 51 mins

Austin to Seattle Flights

The cheapest times to fly from Austin to Seattle

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Austin to Seattle are during the month of September. You can find some of the cheapest flights from Austin to Seattle with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Austin to Seattle

Sunday is one of the best days to book for cheap flights from Austin to Seattle: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Austin to Seattle

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Austin to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from $94 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Austin to Seattle flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Austin to Seattle airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Austin-Bergstrom Intl. Airport (AUS) to Seattle - Tacoma Intl. Airport (SEA) cost?
You can score affordable return tickets from Austin-Bergstrom Intl. Airport (AUS) to Seattle - Tacoma Intl. Airport (SEA) starting at $193. Book a seat and take off on your trip. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Alaska Airlines flight leaving AUS on August 16 2025 and touching down at SEA. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from AUS to SEA?
The cheapest flights from AUS to SEA are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Austin-Bergstrom Intl. Airport (AUS) to Seattle - Tacoma Intl. Airport (SEA)?
Jump on a direct flight with Alaska Airlines and head straight from Austin-Bergstrom Intl. Airport (AUS) to Seattle - Tacoma Intl. Airport (SEA).
What is the cheapest airline that flies from AUS to SEA?
At the moment, the cheapest carrier operating one-way flights from AUS to SEA is Alaska Airlines. You can jet off on this route from $119. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from AUS on October 18 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Austin-Bergstrom Intl. Airport (AUS) to Seattle - Tacoma Intl. Airport (SEA)?
Each day on average, 3 direct flights take off from Austin-Bergstrom Intl. Airport (AUS) to Seattle - Tacoma Intl. Airport (SEA). Choose the departure that best fits your itinerary.
What are the most popular departure times for flights from Austin-Bergstrom Intl. Airport (AUS) to Seattle - Tacoma Intl. Airport (SEA)?
Flights between AUS and SEA are busiest at 4 PM. If you'd like a more relaxed experience and potentially cheaper tickets, look for a departure that's outside typical rush times.
What day of the week has the most flights from AUS to SEA?
If you jet off on a Friday, you'll get the biggest range of options for flights from Austin-Bergstrom Intl. Airport (AUS) to Seattle - Tacoma Intl. Airport (SEA).
What is the earliest flight from Austin-Bergstrom Intl. Airport (AUS) to Seattle - Tacoma Intl. Airport (SEA)?
Austin-Bergstrom Intl. Airport (AUS)'s earliest flight to Seattle - Tacoma Intl. Airport (SEA) leaves at approximately 7:30AM UTC-6. With a travel time of 4h 45m, you'll arrive at around 10:15AM UTC-8.
How long does it take to fly from Austin-Bergstrom Intl. Airport (AUS) to Seattle - Tacoma Intl. Airport (SEA)?
It takes roughly 4 hours and 40 minutes to fly the 1,750 mi from AUS to SEA.
What airline has the least delays from AUS to SEA?
With 95% of flights usually arriving on time, American Airlines has the best on-time performance for direct flights from Austin-Bergstrom Intl. Airport (AUS) to Seattle - Tacoma Intl. Airport (SEA). To monitor your flight status and get notifications if anything changes, head to the Expedia App.
What is the best time to fly from Austin-Bergstrom Intl. Airport (AUS) to Seattle - Tacoma Intl. Airport (SEA)?
Book a flight from Austin-Bergstrom Intl. Airport (AUS) to Seattle - Tacoma Intl. Airport (SEA) that leaves before 3 PM to reduce the risk of cancellations. Departures later than this have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Seattle from Austin-Bergstrom Intl. Airport (AUS)?
Explore your flight options from Austin-Bergstrom Intl. Airport (AUS) to Seattle - Tacoma Intl. Airport (SEA). This is the only airport in Seattle you can arrive at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Austin-Bergstrom Intl. Airport (AUS) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Waiting until just before your trip to book your flight from AUS to SEA often results in higher prices. Although you may find some last-minute discounts, they're not always guaranteed. Be flexible with your itinerary for a better chance of landing a bargain.
Is it cheaper to book an AUS to SEA flight and hotel package?
Booking an AUS to SEA flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Pick from our wide range of stays and then add activities, car rentals and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Austin-Bergstrom Intl. Airport (AUS) to Seattle - Tacoma Intl. Airport (SEA)?
It's generally possible to cancel or reschedule your AUS to SEA flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

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