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Cheap flights from Austin to Seattle from C$ 176

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SEA
27 May — 3 Jun1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Austin Bergstrom to Seattle/Tacoma Intl are usually found in January or February, booked 56 days in advance, depart on a Monday or Tuesday and return on a Saturday

Cheap flight deals from Austin to Seattle

Enter your travel dates to find the best prices.

Cheapest flights from Austin to Seattle
Explore the most affordable flight options available from Austin to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 April 2026.

Wed 13/56:00 a.m.
AUS
-
SEA
1 stop10h 30m
Alaska Airlines
Wed 13/56:10 p.m.
SEA
-
AUS
Nonstop4h 14m
Alaska Airlines
Deal found 22/4C$ 301
Wed 2/911:50 a.m.
AUS
-
SEA
Nonstop4h 38m
Delta
Tue 8/97:20 a.m.
SEA
-
AUS
Nonstop4h 13m
Delta
Deal found 25/4C$ 327
Sat 6/67:04 p.m.
AUS
-
SEA
Nonstop4h 36m
Alaska Airlines
Tue 9/66:10 p.m.
SEA
-
AUS
Nonstop4h 14m
Alaska Airlines
Deal found 24/4C$ 339
Tue 11/84:10 p.m.
AUS
-
SEA
Nonstop4h 25m
Southwest
Sat 15/83:05 p.m.
SEA
-
AUS
Nonstop4h 00m
Southwest
Deal found 22/4C$ 343
Mon 1/66:08 p.m.
AUS
-
SEA
Nonstop4h 42m
Delta
Tue 9/611:04 a.m.
SEA
-
AUS
Nonstop4h 14m
Delta
Deal found 25/4C$ 347
Sat 16/57:00 p.m.
AUS
-
SEA
Nonstop4h 45m
Delta
Sat 23/57:15 a.m.
SEA
-
AUS
Nonstop4h 15m
Delta
Deal found 24/4C$ 351
Wed 2/95:35 a.m.
AUS
-
SEA
1 stop6h 28m
United Airlines
Wed 9/912:10 p.m.
SEA
-
AUS
1 stop6h 56m
United Airlines
Deal found 26/4C$ 354
Mon 1/66:08 p.m.
AUS
-
SEA
Nonstop4h 42m
Delta
Sat 6/67:15 a.m.
SEA
-
AUS
Nonstop4h 15m
Delta
Deal found 24/4C$ 359
Wed 9/912:05 p.m.
AUS
-
SEA
2 stops10h 10m
Southwest
Sat 19/93:05 p.m.
SEA
-
AUS
Nonstop4h 00m
Southwest
Deal found 23/4C$ 364
Wed 19/85:35 a.m.
AUS
-
SEA
1 stop6h 28m
United Airlines
Thu 27/83:33 p.m.
SEA
-
AUS
1 stop6h 26m
United Airlines
Deal found 22/4C$ 369

Find flight deals from Austin to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Austin (AUS) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 27 April 2026.

Round-trip from

C$ 301

One-way from

C$ 176

Popular in

July

Cheapest in

January

Average price

C$ 394

Good one-way deal

C$ 285 or less
Alaska Airlines
  • Alaska Airlines
  • 13/5-13/5
  • 1 total stop
  • 14h 44m total
  • Austin to Seattle
Search Deals
Southwest
  • Southwest
  • 12/5
  • 1 total stop
  • 13h 40m total
  • Austin to Seattle
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 109 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a one-way flight from Austin Bergstrom to Seattle/Tacoma Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Austin to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 27 April 2026.
Use the filters below to find and compare flights from Austin to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Sat 16/5

7:00 p.m.-9:45 p.m.

Nonstop4h 45m

Seattle/Tacoma Intl

Sat 23/5

7:15 a.m.-1:30 p.m.

Nonstop4h 15m

C$ 351

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Tue 29/9

1:00 p.m.-5:46 p.m.

1 stop6h 46m

Seattle/Tacoma Intl

Sat 10/10

5:00 a.m.-1:23 p.m.

1 stop6h 23m

C$ 398
Quickest round-trip

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Sat 20/6

6:13 p.m.-8:50 p.m.

Nonstop4h 37m

Seattle/Tacoma Intl

Wed 24/6

5:50 p.m.-11:56 p.m.

Nonstop4h 06m

C$ 407

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Sat 6/6

7:00 p.m.-9:45 p.m.

Nonstop4h 45m

Seattle/Tacoma Intl

Thu 11/6

11:00 a.m.-5:14 p.m.

Nonstop4h 14m

C$ 420

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Mon 1/6

5:50 p.m.-10:35 p.m.

1 stop6h 45m

Seattle/Tacoma Intl

Tue 9/6

10:55 a.m.-8:00 p.m.

2 stops7h 05m

C$ 437

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Mon 1/6

5:50 p.m.-10:35 p.m.

1 stop6h 45m

Seattle/Tacoma Intl

Sat 6/6

8:20 a.m.-2:30 p.m.

Nonstop4h 10m

C$ 441

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Sat 3/10

6:20 p.m.-10:56 p.m.

1 stop6h 36m

Seattle/Tacoma Intl

Sun 11/10

11:59 p.m.-8:48 a.m.

1 stop6h 49m

C$ 461

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Tue 9/6

11:19 a.m.-1:54 p.m.

Nonstop4h 35m

Seattle/Tacoma Intl

Tue 16/6

12:35 p.m.-11:30 p.m.

1 stop8h 55m

C$ 463

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Tue 29/9

12:05 p.m.-8:15 p.m.

2 stops10h 10m

Seattle/Tacoma Intl

Sat 10/10

7:35 a.m.-8:10 p.m.

2 stops10h 35m

C$ 481

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Wed 27/5

11:10 a.m.-1:50 p.m.

Nonstop4h 40m

Seattle/Tacoma Intl

Sat 6/6

7:15 a.m.-1:30 p.m.

Nonstop4h 15m

C$ 503

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/4

Showing 1-10 of 22 resultsSorted by cheapest first
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Best time to book a flight from Austin to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Austin with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Austin to Seattle

How far ahead should I book a flight from Austin to Seattle?

The best time to book flights from Austin to Seattle is 90 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Austin to Seattle?

Currently, January is the cheapest month in which you can book a flight from Austin to Seattle (average of C$ 297). Flying from Austin to Seattle in July is currently the most expensive (average of C$ 543). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from AUS to SEA?

Find hourly flight availability from Austin to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 27 April 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 58% on flights from Austin to Seattle by exploring options for tickets in the afternoon.

How much does it cost to fly round-trip from Austin to Seattle?

Related info for your journey

Find useful and relevant information for your journey from Austin to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Austin to Seattle flight route?

    The Austin Bergstrom to Seattle/Tacoma Intl flight path was viewed by 6 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Austin to Seattle?

    Departing from Austin to Seattle will take you 4h 45m. There are 2845 km between Austin and Seattle. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most reliable airlines from Austin to Seattle?

    The top 3 most reliable airlines when flying from Austin to Seattle are Air Tahiti Nui (95%), Korean Air (92%) and Condor (91%).

  • What are the cheapest flights from Austin to Seattle?

    On average you can expect to pay C$ 285 for a flight from Austin to Seattle. The cheapest flight overall is C$ 285 while the most popular route, (Austin Bergstrom - Seattle/Tacoma Intl) is currently priced at C$ 413.

  • Can I find deals for flights from Austin to Seattle that include hotel bookings?

    Yes. In addition to deals on Austin to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Austin to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Austin to Seattle.

  • Can I find deals for business class flights from Austin to Seattle?

    Yes. Cheapflights offers flight deals from Austin to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Austin to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Austin to Seattle (average of C$ 297). Flying from Austin to Seattle in July is currently the most expensive (average of C$ 543). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Leavenworth
Mukilteo
Kent
Tacoma
Bothell
Cashmere
Olympia
Renton
Marysville
Lynnwood
Kirkland
Tukwila

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