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Cheap flights from Austin to Seattle from C$ 153

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 31/1. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SEA
26 Nov — 3 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Austin Bergstrom to Seattle/Tacoma Intl are usually found in September or October, 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 27 October 2025.

Round-trip from

C$ 252

One-way from

C$ 153

Popular in

December

Cheapest in

September

Average price

C$ 388
Frontier
  • Frontier
  • 22/12-31/12
  • 2 total stops
  • 25h 38m total
  • Austin to Seattle
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Delta
  • Delta
  • 27/1
  • Nonstop
  • 4h 43m total
  • Austin to Seattle
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 28 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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Find 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 October 2025.

Mon 22/127:22 p.m.AUS - SEA
1 stop16h 49mFrontier
Wed 31/121:25 p.m.SEA - AUS
1 stop8h 49mFrontier
Deal found 26/10C$ 252
Wed 3/128:30 a.m.AUS - SEA
1 stop8h 08mAlaska Airlines
Wed 3/125:51 p.m.SEA - AUS
Nonstop4h 08mAlaska Airlines
Deal found 25/10C$ 253
Fri 5/126:05 p.m.AUS - SEA
Nonstop4h 43mDelta
Wed 10/1211:35 a.m.SEA - AUS
Nonstop4h 15mDelta
Deal found 26/10C$ 262
Fri 12/126:05 p.m.AUS - SEA
Nonstop4h 43mDelta
Mon 15/125:45 p.m.SEA - AUS
Nonstop4h 06mDelta
Deal found 27/10C$ 276
Wed 10/127:15 a.m.AUS - SEA
Nonstop4h 47mAlaska Airlines
Wed 10/1212:08 p.m.SEA - AUS
1 stop8h 01mAlaska Airlines
Deal found 24/10C$ 281
Fri 7/116:00 a.m.AUS - SEA
1 stop8h 13mFrontier
Mon 10/112:22 p.m.SEA - AUS
1 stop8h 10mFrontier
Deal found 25/10C$ 283
Wed 3/128:30 a.m.AUS - SEA
1 stop8h 08mAlaska Airlines
Thu 4/1211:41 a.m.SEA - AUS
1 stop9h 14mAlaska Airlines
Deal found 25/10C$ 288
Tue 9/127:15 a.m.AUS - SEA
Nonstop4h 47mAlaska Airlines
Wed 10/128:25 a.m.SEA - AUS
1 stop6h 20mAlaska Airlines
Deal found 26/10C$ 290
Tue 9/127:15 a.m.AUS - SEA
Nonstop4h 47mAlaska Airlines
Tue 9/1212:10 p.m.SEA - AUS
Nonstop4h 16mAlaska Airlines
Deal found 26/10C$ 295
Tue 9/125:50 a.m.AUS - SEA
1 stop6h 25mSouthwest
Fri 12/126:35 a.m.SEA - AUS
2 stops10h 55mSouthwest
Deal found 24/10C$ 297
Fri 12/124:20 p.m.AUS - SEA
1 stop8h 29mAlaska Airlines
Mon 15/1212:08 p.m.SEA - AUS
1 stop8h 01mAlaska Airlines
Deal found 27/10C$ 302
Wed 3/128:30 a.m.AUS - SEA
1 stop10h 06mAlaska Airlines
Mon 8/125:51 p.m.SEA - AUS
Nonstop4h 08mAlaska Airlines
Deal found 25/10C$ 304

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 October 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

Tue 9/12

8:30 a.m.-2:38 p.m.

1 stop8h 08m

Seattle/Tacoma Intl

Tue 9/12

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

Nonstop4h 08m

C$ 253

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Fri 5/12

6:05 p.m.-8:48 p.m.

Nonstop4h 43m

Seattle/Tacoma Intl

Wed 10/12

11:35 a.m.-5:50 p.m.

Nonstop4h 15m

C$ 262

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Sun 16/11

6:05 a.m.-8:55 a.m.

Nonstop4h 50m

Seattle/Tacoma Intl

Sun 23/11

7:20 a.m.-1:32 p.m.

Nonstop4h 12m

C$ 276

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Fri 14/11

7:00 a.m.-9:36 a.m.

Nonstop4h 36m

Seattle/Tacoma Intl

Sun 23/11

12:37 a.m.-6:40 a.m.

Nonstop4h 03m

C$ 276

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Mon 26/1

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

Nonstop4h 43m

Seattle/Tacoma Intl

Thu 5/2

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

Nonstop4h 25m

C$ 276

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Thu 4/12

6:05 a.m.-8:55 a.m.

Nonstop4h 50m

Seattle/Tacoma Intl

Sun 7/12

5:45 p.m.-11:51 p.m.

Nonstop4h 06m

C$ 276

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Sat 7/3

6:30 p.m.-11:46 p.m.

1 stop7h 16m

Seattle/Tacoma Intl

Tue 10/3

10:30 a.m.-4:38 p.m.

Nonstop4h 08m

C$ 290

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Tue 9/12

7:26 p.m.-10:10 p.m.

Nonstop4h 44m

Seattle/Tacoma Intl

Tue 16/12

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

1 stop6h 20m

C$ 290

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Wed 24/12

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

Nonstop4h 47m

Seattle/Tacoma Intl

Fri 2/1

12:30 a.m.-6:40 a.m.

Nonstop4h 10m

C$ 290

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Sat 24/1

1:35 p.m.-4:20 p.m.

Nonstop4h 45m

Seattle/Tacoma Intl

Tue 27/1

8:25 a.m.-4:39 p.m.

1 stop6h 14m

C$ 290

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/10

Showing 1-10 of 21 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 24 October 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$ 141). Flying from Austin to Seattle in June is currently the most expensive (average of C$ 302). 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 October 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 12 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. 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 Finnair (100%), WestJet (97%) and Qatar Airways (97%).

  • 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$ 141). Flying from Austin to Seattle in June is currently the most expensive (average of C$ 302). 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
Mukilteo
Bothell
Cashmere
Renton
Olympia
Marysville
Lynnwood

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