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Cheap flights from Austin to Seattle from C$ 150

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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SEA
11 Jan — 18 Jan1
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 September, booked 82 days in advance, depart on a Monday or Tuesday and return on a Tuesday

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 12 December 2025.

Wed 31/125:46 p.m.AUS - SEA
1 stop23h 11mAlaska Airlines
Fri 9/111:47 a.m.SEA - AUS
Nonstop4h 12mAlaska Airlines
Deal found 10/12C$ 483
Wed 31/127:40 p.m.AUS - SEA
1 stop7h 19mUnited Airlines
Fri 9/19:25 a.m.SEA - AUS
1 stop7h 02mUnited Airlines
Deal found 10/12C$ 508
Thu 25/128:00 a.m.AUS - SEA
1 stop6h 36mDelta
Wed 7/19:35 a.m.SEA - AUS
Nonstop4h 25mDelta
Deal found 11/12C$ 534
Thu 25/125:46 p.m.AUS - SEA
1 stop7h 29mAlaska Airlines
Wed 7/110:32 a.m.SEA - AUS
1 stop6h 47mAlaska Airlines
Deal found 11/12C$ 546
Thu 25/126:00 a.m.AUS - SEA
1 stop8h 58mDelta
Fri 9/19:35 a.m.SEA - AUS
Nonstop4h 25mDelta
Deal found 11/12C$ 548
Wed 31/127:05 a.m.AUS - SEA
1 stop11h 25mSouthwest
Fri 2/15:00 a.m.SEA - AUS
1 stop7h 55mSouthwest
Deal found 11/12C$ 549
Thu 25/1212:00 p.m.AUS - SEA
2 stops8h 40mSouthwest
Wed 31/1212:35 p.m.SEA - AUS
1 stop8h 40mSouthwest
Deal found 9/12C$ 556
Thu 25/123:55 p.m.AUS - SEA
2 stops9h 00mSouthwest
Thu 8/111:20 a.m.SEA - AUS
2 stops8h 25mSouthwest
Deal found 11/12C$ 575
Thu 25/125:35 a.m.AUS - SEA
1 stop8h 20mSouthwest
Thu 1/18:10 a.m.SEA - AUS
1 stop6h 50mSouthwest
Deal found 9/12C$ 583
Mon 22/126:05 a.m.AUS - SEA
Nonstop4h 50mDelta
Tue 6/19:35 a.m.SEA - AUS
Nonstop4h 25mDelta
Deal found 11/12C$ 589

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 12 December 2025.

Round-trip from

C$ 258

One-way from

C$ 150

Popular in

December

Cheapest in

January

Average price

C$ 579

Good one-way deal

C$ 321 or less
Delta
  • Delta
  • 26/2-4/3
  • Nonstop
  • 8h 51m total
  • Austin to Seattle
Search Deals
Delta
  • Delta
  • 10/1
  • Nonstop
  • 4h 43m total
  • Austin to Seattle
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (C$ 4 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 12 December 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

Thu 29/1

4:55 p.m.-7:38 p.m.

Nonstop4h 43m

Seattle/Tacoma Intl

Tue 3/2

9:35 a.m.-4:00 p.m.

Nonstop4h 25m

C$ 258

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Thu 8/1

12:30 p.m.-3:15 p.m.

Nonstop4h 45m

Seattle/Tacoma Intl

Sat 10/1

9:49 a.m.-3:54 p.m.

Nonstop4h 05m

C$ 258

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Wed 14/1

4:55 p.m.-7:38 p.m.

Nonstop4h 43m

Seattle/Tacoma Intl

Sun 18/1

9:35 a.m.-4:00 p.m.

Nonstop4h 25m

C$ 258

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Thu 29/1

4:55 p.m.-7:38 p.m.

Nonstop4h 43m

Seattle/Tacoma Intl

Mon 2/2

9:35 a.m.-4:00 p.m.

Nonstop4h 25m

C$ 272

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Wed 18/2

1:59 p.m.-8:30 p.m.

1 stop8h 31m

Seattle/Tacoma Intl

Wed 25/2

9:35 a.m.-4:00 p.m.

Nonstop4h 25m

C$ 273

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Fri 23/1

2:55 p.m.-8:46 p.m.

1 stop7h 51m

Seattle/Tacoma Intl

Sat 24/1

9:35 a.m.-4:00 p.m.

Nonstop4h 25m

C$ 273

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Wed 4/2

7:15 a.m.-10:00 a.m.

Nonstop4h 45m

Seattle/Tacoma Intl

Wed 4/2

12:41 p.m.-10:48 p.m.

1 stop8h 07m

C$ 277

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Tue 6/1

7:42 p.m.-10:29 p.m.

Nonstop4h 47m

Seattle/Tacoma Intl

Sat 10/1

9:49 a.m.-3:54 p.m.

Nonstop4h 05m

C$ 285

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Fri 6/2

7:35 a.m.-3:00 p.m.

1 stop9h 25m

Seattle/Tacoma Intl

Sun 8/2

9:35 a.m.-4:00 p.m.

Nonstop4h 25m

C$ 287

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Thu 15/1

7:20 a.m.-12:57 p.m.

1 stop7h 37m

Seattle/Tacoma Intl

Sun 18/1

9:35 a.m.-4:00 p.m.

Nonstop4h 25m

C$ 287

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Showing 1-10 of 24 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 5 December 2025.

The best time to book flights from Austin to Seattle is 82 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$ 139). Flying from Austin to Seattle in June is currently the most expensive (average of C$ 294). 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 12 December 2025.

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 9 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 43m. There are 2845 km between Austin and Seattle. Most flights are nonstop.

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

    The top 3 most reliable airlines when flying from Austin to Seattle are Aeromexico (96%), Condor (91%) and Korean Air (88%).

  • What are the cheapest flights from Austin to Seattle?

    On average you can expect to pay C$ 321 for a flight from Austin to Seattle. The cheapest flight overall is C$ 189 while the most popular route, (Austin Bergstrom - Seattle/Tacoma Intl) is currently priced at C$ 487.

  • 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$ 139). Flying from Austin to Seattle in June is currently the most expensive (average of C$ 294). 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
Mukilteo
Tacoma
Bothell
Cashmere
Olympia
Renton
Marysville
Lynnwood

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