£105 Cheap Flights from Austin (AUS) to Seattle (SEA)

View £105 flight on Sat, 9 May 2026Opens in a new window

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

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 25% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

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

Prices were available within the past 7 days and start at £105 for one-way flights and £209 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, 9 May - Mon, 11 May
AUS
Austin
SEA
Seattle
£209 Return, found 6 days ago
£209
Return
found 6 days ago
Select Alaska Airlines flight, departing Sat, 9 May from Austin to Seattle, returning Mon, 11 May, priced at £209 found 6 days ago
Alaska Airlines
Sat, 9 May - Mon, 11 May
AUS
Austin
SEA
Seattle
£216 Return, found 6 days ago
£216
Return
found 6 days ago
Select Alaska Airlines flight, departing Sat, 9 May from Austin to Seattle, returning Mon, 11 May, priced at £216 found 6 days ago
Alaska Airlines
Sat, 9 May - Sun, 10 May
AUS
Austin
SEA
Seattle
£217 Return, found 4 days ago
£217
Return
found 4 days ago
Select Alaska Airlines flight, departing Sat, 9 May from Austin to Seattle, returning Sun, 10 May, priced at £217 found 4 days ago
Alaska Airlines
Wed, 17 Jun - Wed, 24 Jun
AUS
Austin
SEA
Seattle
£230 Return, found 3 days ago
£230
Return
found 3 days ago
Select Alaska Airlines flight, departing Wed, 17 Jun from Austin to Seattle, returning Wed, 24 Jun, priced at £230 found 3 days ago
Alaska Airlines
Sat, 9 May - Mon, 11 May
AUS
Austin
SEA
Seattle
£231 Return, found 6 days ago
£231
Return
found 6 days ago
Select Alaska Airlines flight, departing Sat, 9 May from Austin to Seattle, returning Mon, 11 May, priced at £231 found 6 days ago
Alaska Airlines
Fri, 8 May - Sun, 10 May
AUS
Austin
SEA
Seattle
£239 Return, found 5 days ago
£239
Return
found 5 days ago
Select Alaska Airlines flight, departing Fri, 8 May from Austin to Seattle, returning Sun, 10 May, priced at £239 found 5 days ago
American Airlines
Wed, 15 Apr - Wed, 22 Apr
AUS
Austin
SEA
Seattle
£451 Return, found 13 hours ago
£451
Return
found 13 hours ago
Select American Airlines flight, departing Wed, 15 Apr from Austin to Seattle, returning Wed, 22 Apr, priced at £451 found 13 hours ago
Delta
Wed, 15 Apr - Wed, 22 Apr
AUS
Austin
SEA
Seattle
£459 Return, found 13 hours ago
£459
Return
found 13 hours ago
Select Delta flight, departing Wed, 15 Apr from Austin to Seattle, returning Wed, 22 Apr, priced at £459 found 13 hours ago
JetBlue Airways
Wed, 17 Jun - Wed, 24 Jun
AUS
Austin
SEA
Seattle
£516 Return, found 3 days ago
£516
Return
found 3 days ago
Select JetBlue Airways flight, departing Wed, 17 Jun from Austin to Seattle, returning Wed, 24 Jun, priced at £516 found 3 days ago
United
Wed, 15 Apr - Wed, 22 Apr
AUS
Austin
SEA
Seattle
£523 Return, found 13 hours ago
£523
Return
found 13 hours ago
Select United flight, departing Wed, 15 Apr from Austin to Seattle, returning Wed, 22 Apr, priced at £523 found 13 hours ago

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

April is typically the cheapest month to fly

From £121 - £205 per traveller.

Frequently asked questions

How much is a flight from Austin-Bergstrom Intl. Airport (AUS) to Seattle - Tacoma Intl. Airport (SEA)?
If you're travelling between AUS and SEA, round-trip flights start from £209. This price is based on airfares available within the last 7 days on Expedia for flights departing within the next year, so don't wait around. Book now and save yourself money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Austin-Bergstrom Intl. Airport (AUS) to Seattle - Tacoma Intl. Airport (SEA)?
Each air carrier has its own set of terms and conditions. If you do decide to cancel, follow the simple instructions on our Customer Service Portal.
How do I find cheap flights from AUS to Sea-Tac Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for AUS to Sea-Tac Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Austin–Bergstrom International Airport to Sea-Tac Airport?
It's around 2,800 kilometres from Austin-Bergstrom Intl. Airport (AUS) to SEA, so you'll be strapped into your seat for a while. Keep yourself occupied by packing things like a magazine or the latest bestseller.
Which airlines fly direct from AUS to SEA?
Many travellers choose to fly with Alaska Airlines (AS) from Austin–Bergstrom International Airport to Sea-Tac Airport. This popular airline offers 78 flights every month, so you can pick a flight time that works for you. Another carrier operating on this route is Delta Air Lines (DL). You'll have 60 flights each month to choose from.
Are AUS to Seattle - Tacoma Intl. Airport (SEA) flight tickets cheaper when they're purchased at the last minute?
Last-minute bookings from Austin-Bergstrom Intl. Airport (AUS) to Sea-Tac Airport can be hit-or-miss. It is possible to score a bargain, but you could also miss out entirely! If you'd rather start your travel planning early, Expedia compares flight deals up to 12 months in advance. Just remember that not all airlines issue their prices so far in advance. Our top tip? Check back often as prices are updated regularly.

Travel information

Origin airport
Austin-Bergstrom Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Return price
£208
Distance
2829 km
Average flight time
3 hours 4 mins

Explore a world of travel with Expedia

*Available to Expedia members.