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Cheap flights from Austin to Seattle from C$ 165

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 17/12. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SEA
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Austin Bergstrom to Seattle/Tacoma Intl are usually found in October or September, booked 82 days in advance, depart on a Tuesday or Monday and return on a Saturday

Cheap 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 11 September 2025.

Round-trip from

C$ 273

One-way from

C$ 165

Popular in

December

Cheapest in

October

Average price

C$ 384

Good one-way deal

C$ 146 or less
Delta
  • Delta
  • 4/10-8/10
  • Nonstop
  • 8h 41m total
  • Austin to Seattle
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United Airlines
  • United Airlines
  • 17/12
  • 1 total stop
  • 7h 19m total
  • Austin to Seattle
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Highest demand for flights based on searches. 6% potential increase in price (C$ 46 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 20 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a one-way flight from Austin Bergstrom to Seattle/Tacoma Intl.
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Find flight deals from Austin to Seattle

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 11 September 2025.

Sat 4/106:20 a.m.AUS - SEA
Nonstop4h 34mDelta
Wed 8/105:50 p.m.SEA - AUS
Nonstop4h 07mDelta
Deal found 11/9C$ 273
Sat 25/108:15 a.m.AUS - SEA
1 stop8h 20mHawaiian Airlines
Sat 25/105:50 p.m.SEA - AUS
Nonstop4h 06mHawaiian Airlines
Deal found 10/9C$ 279
Tue 7/103:25 p.m.AUS - SEA
1 stop7h 20mSouthwest
Sat 11/107:05 a.m.SEA - AUS
1 stop6h 35mSouthwest
Deal found 11/9C$ 280
Sat 11/107:15 a.m.AUS - SEA
Nonstop4h 32mAlaska Airlines
Sat 18/108:15 p.m.SEA - AUS
1 stop14h 16mAlaska Airlines
Deal found 11/9C$ 287
Sat 15/111:25 p.m.AUS - SEA
2 stops9h 35mSouthwest
Wed 19/1110:50 a.m.SEA - AUS
2 stops8h 50mSouthwest
Deal found 10/9C$ 294
Wed 22/104:50 p.m.AUS - SEA
2 stops8h 05mSouthwest
Wed 29/1012:50 p.m.SEA - AUS
2 stops8h 45mSouthwest
Deal found 10/9C$ 297
Sat 18/108:15 a.m.AUS - SEA
1 stop8h 20mHawaiian Airlines
Tue 21/1012:19 p.m.SEA - AUS
Nonstop4h 20mHawaiian Airlines
Deal found 11/9C$ 301
Wed 3/128:30 a.m.AUS - SEA
1 stop10h 06mAlaska Airlines
Sat 6/128:25 a.m.SEA - AUS
1 stop6h 20mAlaska Airlines
Deal found 11/9C$ 309
Sat 25/108:15 a.m.AUS - SEA
1 stop8h 20mAlaska Airlines
Sat 25/108:15 p.m.SEA - AUS
1 stop14h 20mAlaska Airlines
Deal found 10/9C$ 313
Sat 15/117:00 a.m.AUS - SEA
Nonstop4h 36mAlaska Airlines
Thu 20/1112:37 a.m.SEA - AUS
Nonstop4h 03mAlaska Airlines
Deal found 11/9C$ 315

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 11 September 2025.
Use the filters below to find and compare flights from Austin to Seattle that are best for you.

Fly from

Austin

Fly to

Seattle

Route

Depart

Return

Price

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Sat 4/10

6:20 a.m.-8:54 a.m.

Nonstop4h 34m

Seattle/Tacoma Intl

Sat 11/10

7:20 a.m.-1:34 p.m.

Nonstop4h 14m

C$ 273

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Wed 3/12

7:25 p.m.-10:09 p.m.

Nonstop4h 44m

Seattle/Tacoma Intl

Sat 6/12

8:25 a.m.-4:45 p.m.

1 stop6h 20m

C$ 287

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Sat 11/10

7:15 a.m.-9:47 a.m.

Nonstop4h 32m

Seattle/Tacoma Intl

Sat 18/10

12:19 p.m.-6:39 p.m.

Nonstop4h 20m

C$ 287

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Sat 4/10

1:31 p.m.-3:59 p.m.

Nonstop4h 28m

Seattle/Tacoma Intl

Fri 10/10

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

Nonstop4h 06m

C$ 315

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Wed 5/11

12:12 p.m.-2:44 p.m.

Nonstop4h 32m

Seattle/Tacoma Intl

Sun 9/11

11:35 a.m.-5:55 p.m.

Nonstop4h 20m

C$ 315

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Wed 12/11

1:36 p.m.-4:15 p.m.

Nonstop4h 39m

Seattle/Tacoma Intl

Sun 16/11

12:06 p.m.-6:18 p.m.

Nonstop4h 12m

C$ 315

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Fri 7/11

6:04 p.m.-8:40 p.m.

Nonstop4h 36m

Seattle/Tacoma Intl

Tue 11/11

11:35 a.m.-5:55 p.m.

Nonstop4h 20m

C$ 315

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Wed 3/12

7:15 a.m.-10:02 a.m.

Nonstop4h 47m

Seattle/Tacoma Intl

Sun 7/12

12:09 p.m.-6:25 p.m.

Nonstop4h 16m

C$ 315

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Thu 4/12

7:25 p.m.-10:09 p.m.

Nonstop4h 44m

Seattle/Tacoma Intl

Tue 9/12

5:51 p.m.-11:59 p.m.

Nonstop4h 08m

C$ 315

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Tue 30/9

1:20 p.m.-11:35 p.m.

2 stops12h 15m

Seattle/Tacoma Intl

Tue 14/10

7:10 a.m.-5:15 p.m.

1 stop8h 05m

C$ 319

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Showing 1-10 of 23 results
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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 29 August 2025.

The best time to book flights from Austin to Seattle is 59 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$ 262). Flying from Austin to Seattle in December is currently the most expensive (average of C$ 353). 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 11 September 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 33% 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 14 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 44m. 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 cheapest airlines to fly from Austin to Seattle one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as C$ 165. However, be on the lookout for offers from Alaska Airlines and Southwest, as they are both options that can get you from Austin to Seattle for a low price.

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

    The top 3 most reliable airlines when flying from Austin to Seattle are Scandinavian Airlines (96%), Japan Airlines (92%) and WestJet (91%).

  • What are the cheapest flights from Austin to Seattle?

    On average you can expect to pay C$ 146 for a flight from Austin to Seattle. The cheapest flight overall is C$ 146 while the most popular route, (Austin Bergstrom - Seattle/Tacoma Intl) is currently priced at C$ 320.

  • 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$ 262). Flying from Austin to Seattle in December is currently the most expensive (average of C$ 353). 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
Leavenworth
SeaTac
Tukwila
Tacoma
Bothell
Cashmere
Renton
Olympia
Marysville
Lynnwood

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