Seattle

$105+ Cheap flights from Austin to Seattle (AUS - SEA)

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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SEA
Aug 6 — Aug 131
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Cheapflights Tip: The best prices from Austin Bergstrom to Seattle/Tacoma Intl are usually found in September or October, booked 67 days in advance, depart on a Thursday or Friday and return on a Wednesday

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 August 1, 2025.

Round-trip from

$197
(Delta)

One-way from

$105
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$326

Good round-trip deal

$260 or less

Good one-way deal

$181 or less
From Austin Bergstrom to Seattle/Tacoma Intl
One-way flight from Austin Bergstrom to Seattle/Tacoma Intl
Highest demand for flights based on searches. 7% potential increase in price ($26 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Average for round-trip flights in August 2025
Price to beat on a round-trip flight from Austin Bergstrom to Seattle/Tacoma Intl.
Price to beat on a one-way flight from Austin Bergstrom to Seattle/Tacoma Intl.

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 August 1, 2025.

This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/612:00 pmAUS - SEA
Nonstop4h 28mDelta
Tue 9/95:45 pmSEA - AUS
Nonstop4h 09mDelta
Deal found 7/31$197
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/136:00 amAUS - SEA
1 stop7h 25mHawaiian Airlines
Sat 9/2012:20 pmSEA - AUS
Nonstop4h 33mHawaiian Airlines
Deal found 7/30$199
This Alaska Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/67:21 amAUS - SEA
1 stop9h 05mAlaska Airlines
Sat 9/135:20 amSEA - AUS
1 stop9h 30mAlaska Airlines
Deal found 7/31$216
This American Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1112:45 pmAUS - SEA
1 stop8h 29mAmerican Airlines
Mon 11/1712:59 amSEA - AUS
1 stop7h 11mAmerican Airlines
Deal found 7/30$217
This United Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/28:00 amAUS - SEA
1 stop7h 30mUnited Airlines
Thu 9/43:36 pmSEA - AUS
1 stop6h 22mUnited Airlines
Deal found 7/30$222
This Southwest deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/34:25 pmAUS - SEA
1 stop8h 45mSouthwest
Wed 9/105:35 amSEA - AUS
2 stops11h 55mSouthwest
Deal found 7/29$228
This Frontier deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/237:44 amAUS - SEA
1 stop6h 01mFrontier
Tue 8/266:41 amSEA - AUS
1 stop11h 05mFrontier
Deal found 7/30$238

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 2,558,603 searches. Data last updated August 1, 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 9/6

7:15 am-9:42 am

Nonstop4h 27m

Seattle/Tacoma Intl

Sat 9/13

12:20 pm-6:53 pm

Nonstop4h 33m

$197

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Sat 9/13

6:00 am-11:25 am

1 stop7h 25m

Seattle/Tacoma Intl

Sat 9/20

12:20 pm-6:53 pm

Nonstop4h 33m

$199

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Tue 11/11

12:45 pm-7:14 pm

1 stop8h 29m

Seattle/Tacoma Intl

Mon 11/17

12:59 am-10:10 am

1 stop7h 11m

$217

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Tue 9/2

8:00 am-1:30 pm

1 stop7h 30m

Seattle/Tacoma Intl

Thu 9/4

3:36 pm-11:58 pm

1 stop6h 22m

$222

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Wed 9/3

4:25 pm-11:10 pm

1 stop8h 45m

Seattle/Tacoma Intl

Wed 9/10

5:35 am-7:30 pm

2 stops11h 55m

$228

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Thu 9/4

6:25 am-8:53 am

Nonstop4h 28m

Seattle/Tacoma Intl

Wed 9/10

11:15 am-5:25 pm

Nonstop4h 10m

$237

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Sat 8/23

7:44 am-11:45 am

1 stop6h 01m

Seattle/Tacoma Intl

Wed 8/27

6:41 am-7:46 pm

1 stop11h 05m

$238

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Tue 9/23

6:00 am-12:37 pm

1 stop8h 37m

$105

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Wed 10/1

6:00 am-11:25 am

1 stop7h 25m

$108

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Wed 8/20

4:20 pm-10:52 pm

1 stop8h 32m

$109

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 14 results
1
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The best insider tips for Austin to Seattle flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Austin to Seattle trip
Airlines
Qatar Airways

Qatar Airways allows only one carry-on item in economy, so pack wisely to avoid fees.


Qatar Airways' business class offers pajamas and a flexible dining menu for a luxurious experience.

Alaska Airlines

Alaska Airlines offers Wi-Fi for a flat fee, ideal for business travelers needing connectivity.


Alaska Airlines' Premium Class provides extra legroom and free cocktails, enhancing comfort.

Airports
AUS

Expect long lines at AUS, especially during early morning rush hours. Arrive early to avoid missing your flight.

Read more about AUSby Ramsey Qubein
SEA

Use the Link light rail for a cost-effective trip to downtown Seattle. It runs every 10 minutes and takes less than 40 minutes.

Read more about SEAby Brandon Schultz
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on Qatar Airways and SEA

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more
Robert Schrader

Robert Schrader

Expert on Alaska Airlines

Robert Schrader

Robert Schrader

One of the web's original travel bloggers, Robert launched his first site Leave Your Daily Hell in 2009. Since then, he's expanded into destination niche sites (one each for Japan, Thailand and Taiwan), in addition to having written for the inflight magazines of Singapore Airlines and Korean Air. Overall, he's visited nearly 100 countries, and flies business as often as possible.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on AUS

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

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 July 25, 2025.

Booking 67 days in advance of your planned departure date is, on average, the best time to get cheap flights from Austin to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 $238). Flying from Austin to Seattle in June is currently the most expensive (average of $389). 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 August 1, 2025.

A simple way to save on the total cost of your ticket is to fly from Austin to Seattle in the afternoon. If you’re flexible enough to do this you can expect to save up to 24% on your trip compared to booking a flight in the evening.

What is the cheapest day to fly from Austin to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Austin to Seattle. Price data was last updated on July 27, 2025.

Travelers seeking maximum savings on their Austin to Seattle flight should consider departing on Thursday afternoons when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Austin to Seattle

Explore weekly flight availability from Austin to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 1, 2025.

The most flights from AUS to SEA are scheduled on a Wednesday (32 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (8 on average).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated August 1, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta from Austin to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
8.0
Very good

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

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.
  • What airports do I use to fly from Austin to Seattle?

    If you wish to fly to Seattle from Austin, then you need to book flights from Austin Bergstrom to Seattle/Tacoma Intl. There are 22 flights from Austin Bergstrom (AUS) to Seattle/Tacoma Intl (SEA) per day to choose from. Flights to Seattle from Austin Bergstrom are available from 8 different airlines, which means you should have some options if you want to compare airfare deals. 4h 25m is how long a nonstop flight from Austin to Seattle/Tacoma Intl typically takes.

  • How popular is this Austin to Seattle flight route?

  • What are the cheapest airlines flying from Austin to Seattle round-trip?

    Currently priced at $197, Delta will fly you from Austin to Seattle and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Hawaiian Airlines and Alaska Airlines - these airlines can fly you to your destination from $199 and $216, respectively. Delta is 41% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Austin to Seattle one-way?

    For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $105. Users have also found prices from $109 and $127 on United Airlines and Frontier, respectively.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Austin to Seattle on time: WestJet (95%), Finnair (89%), Scandinavian Airlines (86%).

  • What are the cheapest flights from Austin to Seattle?

    Looking at all options, your cheapest flight can be booked for $98. While the most popular route (Austin Bergstrom - Seattle/Tacoma Intl) can be booked for $197 on average our data indicates $1,119 when flying from Austin to Seattle.

  • 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 $238). Flying from Austin to Seattle in June is currently the most expensive (average of $389). 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

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Ocean Shores
Lakewood
Lynnwood
Lacey
Leavenworth
Renton
Olympia
Puyallup
Kent
Cle Elum
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline
Federal Way
Shelton

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Austin to Seattle

See prices for flight routes from nearby airports that may be better suited for you.

Top 8 airlines flying from Austin to Seattle

Discover the top 8 airlines that operate flights from Austin to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$76Average$204FlexibilityNo cancel feeOn-time65%
FrontierCheapest$138Average$250FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$143Average$429FlexibilityNo cancel feeOn-time63%
Hawaiian AirlinesCheapest$145Average$337FlexibilityNo cancel feeOn-time85%
DeltaCheapest$175Average$329FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$195Average$355FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$216Average$345FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$256Average$427FlexibilityNo cancel feeOn-time71%

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