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Cheap flights from Austin to Seattle from C$ 162

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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SEA
12 Apr — 19 Apr1
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 31 days in advance, depart on a Monday or Tuesday and return on a Friday

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 13 March 2026.

Sat 2/53:39 p.m.
AUS
-
SEA
Nonstop4h 43m
Alaska Airlines
Tue 12/58:13 a.m.
SEA
-
AUS
Nonstop4h 26m
Alaska Airlines
Deal found 9/3C$ 242
Thu 30/46:00 a.m.
AUS
-
SEA
Nonstop4h 40m
Delta
Sun 3/57:15 a.m.
SEA
-
AUS
Nonstop4h 10m
Delta
Deal found 10/3C$ 244
Tue 28/42:10 p.m.
AUS
-
SEA
2 stops8h 10m
Southwest
Wed 29/41:25 p.m.
SEA
-
AUS
1 stop5h 55m
Southwest
Deal found 9/3C$ 245
Tue 21/45:00 p.m.
AUS
-
SEA
1 stop9h 10m
Southwest
Tue 28/411:40 a.m.
SEA
-
AUS
2 stops8h 25m
Southwest
Deal found 11/3C$ 246
Wed 22/45:20 p.m.
AUS
-
SEA
1 stop8h 15m
Southwest
Tue 28/45:30 a.m.
SEA
-
AUS
2 stops10h 35m
Southwest
Deal found 9/3C$ 250
Fri 3/43:37 p.m.
AUS
-
SEA
Nonstop4h 42m
Alaska Airlines
Sun 12/46:24 p.m.
SEA
-
AUS
Nonstop4h 10m
Alaska Airlines
Deal found 9/3C$ 256
Mon 6/46:03 a.m.
AUS
-
SEA
Nonstop4h 42m
Delta
Sun 12/45:45 p.m.
SEA
-
AUS
Nonstop4h 08m
Delta
Deal found 10/3C$ 257
Fri 24/44:20 p.m.
AUS
-
SEA
2 stops10h 35m
Southwest
Mon 27/411:05 a.m.
SEA
-
AUS
1 stop11h 00m
Southwest
Deal found 8/3C$ 258
Mon 6/49:15 p.m.
AUS
-
SEA
1 stop6h 25m
Southwest
Mon 13/45:15 a.m.
SEA
-
AUS
1 stop12h 15m
Southwest
Deal found 9/3C$ 264
Tue 7/47:04 p.m.
AUS
-
SEA
Nonstop4h 39m
Alaska Airlines
Sat 11/46:25 p.m.
SEA
-
AUS
Nonstop4h 10m
Alaska Airlines
Deal found 10/3C$ 268
Wed 8/48:35 a.m.
AUS
-
SEA
Nonstop4h 42m
Alaska Airlines
Sun 12/46:24 p.m.
SEA
-
AUS
Nonstop4h 10m
Alaska Airlines
Deal found 10/3C$ 269

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 13 March 2026.

Round-trip from

C$ 242

One-way from

C$ 162

Popular in

July

Cheapest in

January

Average price

C$ 472
Alaska Airlines
  • Alaska Airlines
  • 2/5-12/5
  • Nonstop
  • 9h 09m total
  • Austin to Seattle
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 23/4
  • Nonstop
  • 4h 37m total
  • Austin to Seattle
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (C$ 94 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
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 13 March 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

Tue 7/4

7:20 a.m.-2:38 p.m.

1 stop9h 18m

Seattle/Tacoma Intl

Tue 7/4

6:24 p.m.-12:34 a.m.

Nonstop4h 10m

C$ 273

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Fri 1/5

1:30 p.m.-8:25 p.m.

1 stop8h 55m

Seattle/Tacoma Intl

Wed 6/5

7:15 a.m.-1:25 p.m.

Nonstop4h 10m

C$ 284

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Thu 16/4

12:10 p.m.-4:48 p.m.

1 stop6h 38m

Seattle/Tacoma Intl

Sun 19/4

7:15 a.m.-1:25 p.m.

Nonstop4h 10m

C$ 298

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Thu 9/4

6:20 a.m.-12:27 p.m.

1 stop8h 07m

Seattle/Tacoma Intl

Sat 18/4

1:30 p.m.-9:15 p.m.

1 stop5h 45m

C$ 312

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Wed 22/4

5:49 p.m.-2:55 p.m.

1 stop23h 06m

Seattle/Tacoma Intl

Tue 28/4

6:09 p.m.-12:24 a.m.

Nonstop4h 15m

C$ 316

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Mon 13/4

7:59 p.m.-9:27 a.m.

1 stop15h 28m

Seattle/Tacoma Intl

Wed 15/4

6:24 p.m.-12:34 a.m.

Nonstop4h 10m

C$ 365

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Fri 10/4

6:03 a.m.-8:45 a.m.

Nonstop4h 42m

Seattle/Tacoma Intl

Sun 12/4

5:45 p.m.-11:53 p.m.

Nonstop4h 08m

C$ 392

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Sat 28/3

4:30 p.m.-7:05 p.m.

Nonstop4h 35m

Seattle/Tacoma Intl

Mon 30/3

10:51 a.m.-5:04 p.m.

Nonstop4h 13m

C$ 419

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Tue 21/4

12:45 p.m.-6:00 p.m.

1 stop7h 15m

Seattle/Tacoma Intl

Sat 25/4

5:45 p.m.-4:56 a.m.

2 stops9h 11m

C$ 427

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Tue 5/5

12:43 p.m.-9:45 p.m.

2 stops11h 02m

Seattle/Tacoma Intl

Sun 10/5

7:40 a.m.-7:25 p.m.

1 stop9h 45m

C$ 427

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

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?

Use this chart to determine the optimal time to book a round-trip flight from Austin to Seattle. Price data was last updated on 6 March 2026.

The best time to book flights from Austin to Seattle is 31 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, May is the cheapest month in which you can book a flight from Austin to Seattle (average of C$ 137). Flying from Austin to Seattle in July is currently the most expensive (average of C$ 288). 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 13 March 2026.

Unlike in the morning, when flights are generally more expensive, you can save up to 61% on flights from Austin to Seattle by exploring options for tickets in the afternoon.

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 7 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 42m. 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 KLM (100%), WestJet (100%) and Condor (94%).

  • 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, May is the cheapest month in which you can book a flight from Austin to Seattle (average of C$ 137). Flying from Austin to Seattle in July is currently the most expensive (average of C$ 288). 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
Tacoma
Kent
Bothell
Cashmere
Tukwila
Olympia
Renton
Marysville
Lynnwood
Kirkland

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