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$120+ 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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SEA
Apr 21 — Apr 281
Tue 4/21
Tue 4/28
1 adult, Economy
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Find cheap flights from Austin to Seattle with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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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 Thursday or Wednesday and return on a Wednesday

Cheap 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 March 22, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/19. 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.
Tue 5/129:13 pm
AUS
-
SEA
1 stop14h 36m
Frontier
Tue 5/197:50 pm
SEA
-
AUS
1 stop22h 28m
Frontier
Deal found 3/19$180
This Kiwi.com deal was found by Cheapflights users on 3/19. 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.
Mon 4/1311:00 am
AUS
-
SEA
1 stop24h 27m
Frontier
Thu 4/164:20 pm
SEA
-
AUS
1 stop15h 45m
Frontier
Deal found 3/19$182
This Kiwi.com deal was found by Cheapflights users on 3/21. 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.
Wed 4/156:13 pm
AUS
-
SEA
1 stop17h 14m
Frontier
Tue 4/217:12 pm
SEA
-
AUS
1 stop20h 06m
Frontier
Deal found 3/21$184
This Kiwi.com deal was found by Cheapflights users on 3/19. 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.
Thu 4/239:31 pm
AUS
-
SEA
1 stop14h 21m
Frontier
Wed 4/297:12 pm
SEA
-
AUS
1 stop23h 24m
Frontier
Deal found 3/19$189
This Kiwi.com deal was found by Cheapflights users on 3/17. 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.
Fri 4/311:00 am
AUS
-
SEA
1 stop26h 37m
Frontier
Mon 4/139:34 pm
SEA
-
AUS
2 stops17h 44m
Frontier
Deal found 3/17$190
This Kiwi.com deal was found by Cheapflights users on 3/21. 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.
Wed 4/156:13 pm
AUS
-
SEA
1 stop17h 14m
Frontier
Mon 4/207:12 pm
SEA
-
AUS
1 stop20h 06m
Frontier
Deal found 3/21$195
This CheapOair deal was found by Cheapflights users on 3/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/136:45 am
AUS
-
SEA
1 stop28h 42m
Frontier
Wed 4/158:07 pm
SEA
-
AUS
1 stop11h 58m
Frontier
Deal found 3/21$196
This Kiwi.com deal was found by Cheapflights users on 3/19. 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.
Mon 4/209:31 pm
AUS
-
SEA
1 stop13h 56m
Frontier
Fri 4/244:20 pm
SEA
-
AUS
1 stop25h 35m
Frontier
Deal found 3/19$197
This Delta deal was found by Cheapflights users on 3/18. 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.
Thu 4/236:00 am
AUS
-
SEA
Nonstop4h 40m
Delta
Wed 4/297:15 am
SEA
-
AUS
Nonstop4h 10m
Delta
Deal found 3/18$199
This Kiwi.com deal was found by Cheapflights users on 3/21. 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.
Wed 4/156:13 pm
AUS
-
SEA
1 stop17h 14m
Frontier
Wed 4/227:12 pm
SEA
-
AUS
1 stop12h 53m
Frontier
Deal found 3/21$202
This Kiwi.com deal was found by Cheapflights users on 3/21. 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.
Mon 4/279:47 pm
AUS
-
SEA
1 stop13h 40m
Frontier
Sun 5/310:25 pm
SEA
-
AUS
2 stops43h 53m
Frontier
Deal found 3/21$204

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 March 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$180
(Kiwi.com)

One-way from

$120
(Delta)

Popular in

July

Cheapest in

January

Average price

$362

Good round-trip deal

$297 or less

Good one-way deal

$230 or less
Provider with most accurate pricing for Austin Bergstrom-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Austin Bergstrom-Seattle/Tacoma Intl flights.
Search Deals
From Austin Bergstrom to Seattle/Tacoma Intl
Search Deals
One-way flight from Austin Bergstrom to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($50 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Austin Bergstrom to Seattle/Tacoma Intl.
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 2,558,603 searches. Data last updated March 22, 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

Mon 5/11

4:07 pm-10:55 pm

1 stop8h 48m

Seattle/Tacoma Intl

Wed 5/13

6:00 am-5:19 pm

1 stop9h 19m

$259

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Tue 4/21

7:20 am-2:38 pm

1 stop9h 18m

Seattle/Tacoma Intl

Sat 4/25

8:25 am-4:49 pm

1 stop6h 24m

$297

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Tue 4/21

5:56 pm-11:12 pm

1 stop7h 16m

Seattle/Tacoma Intl

Sat 4/25

8:45 am-11:15 pm

2 stops12h 30m

$314

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Thu 4/16

6:00 am-8:40 am

Nonstop4h 40m

Seattle/Tacoma Intl

Sun 4/19

7:15 am-1:25 pm

Nonstop4h 10m

$317

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Fri 4/24

4:20 pm-12:55 am

2 stops10h 35m

Seattle/Tacoma Intl

Mon 4/27

9:40 am-8:15 pm

2 stops8h 35m

$319

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Wed 6/3

6:05 pm-10:55 pm

1 stop6h 50m

Seattle/Tacoma Intl

Wed 6/24

10:55 am-8:00 pm

2 stops7h 05m

$334

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Sun 5/10

6:15 am-12:19 pm

1 stop8h 04m

Seattle/Tacoma Intl

Wed 5/13

10:55 am-5:11 pm

Nonstop4h 16m

$338

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Sat 6/6

5:35 pm-11:53 pm

1 stop8h 18m

Seattle/Tacoma Intl

Tue 6/9

7:20 am-1:33 pm

Nonstop4h 13m

$348
Quickest round-trip

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Mon 6/1

6:00 am-8:27 am

Nonstop4h 27m

Seattle/Tacoma Intl

Sat 6/6

10:55 am-5:09 pm

Nonstop4h 14m

$367

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Mon 8/3

8:30 am-11:00 am

Nonstop4h 30m

Seattle/Tacoma Intl

Sat 8/8

6:19 pm-12:34 am

Nonstop4h 15m

$377

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/17

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Austin to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Austin to Seattle in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Austin-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Austin-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Austin-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Austin-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Austin-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 March 13, 2026.

Booking 31 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, May is the cheapest month in which you can book a flight from Austin to Seattle (average of $101). Flying from Austin to Seattle in July is currently the most expensive (average of $214). 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 March 22, 2026.

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 4% on your trip compared to booking a flight in the morning.

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 March 14, 2026.

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

The best insider tips for Austin to Seattle flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Austin to Seattle trip
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on Qatar Airways and SEA

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

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

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

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 March 22, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Delta, andHawaiian Airlines 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.
Alaska Airlines
7.9
Good
12,094 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.0

Comfort

7.8

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Alaska Airlines
7.9
Good
12,094 reviews
Alaska Airlines
7.9
Good
12,094 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.0

Comfort

7.8

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Delta
7.9
Good
8,319 reviews
Alaska Airlines
7.9
Good
12,094 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.0

Comfort

7.8

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Hawaiian Airlines
7.8
Good
2,841 reviews
Alaska Airlines
7.9
Good
12,094 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.0

Comfort

7.8

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
American Airlines
7.1
Good
11,486 reviews
Alaska Airlines
7.9
Good
12,094 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.0

Comfort

7.8

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Frontier
5.7
Fair
3,020 reviews
Alaska Airlines
7.9
Good
12,094 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.0

Comfort

7.8

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

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 15 flights from Austin Bergstrom (AUS) to Seattle/Tacoma Intl (SEA) per day to choose from. Flights to Seattle from Austin Bergstrom are available from 7 different airlines, which means you should have some options if you want to compare airfare deals. 4h 29m is how long a nonstop flight from Austin to Seattle/Tacoma Intl typically takes.

  • How popular is this Austin to Seattle flight route?

    Within the past month, 55 users have taken a look at flights from Austin Bergstrom to Seattle/Tacoma Intl.

  • How long is the flight from Austin to Seattle?

    Departing from Austin to Seattle will take you 7h 16m. The distance from Austin to Seattle is about 1768 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Currently priced at $118, Hawaiian Airlines will fly you from Austin to Seattle and back. In addition to Hawaiian Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Frontier and Southwest - these airlines can fly you to your destination from $134 and $143, respectively. Hawaiian Airlines is 61% 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 Frontier. According to our data, you can fly for as low as $97. Users have also found prices from $98 and $106 on Hawaiian Airlines and Delta, 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: Condor (96%), Air Tahiti Nui (92%), Korean Air (89%).

  • What are the cheapest flights from Austin to Seattle?

    Looking at all options, your cheapest flight can be booked for $148. While the most popular route (Austin Bergstrom - Seattle/Tacoma Intl) can be booked for $199 on average, our data indicates $1,070 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, May is the cheapest month in which you can book a flight from Austin to Seattle (average of $101). Flying from Austin to Seattle in July is currently the most expensive (average of $214). 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
Tacoma
Ocean Shores
Olympia
Kent
Lynnwood
Edmonds
Lacey
Renton
Puyallup
Kirkland
Ellensburg
Tukwila
Fife
Lakewood
Aberdeen
Shoreline
Marysville
Centralia
Federal Way

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 7 airlines flying from Austin to Seattle

Discover the top 7 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 March 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$118Average$324FlexibilityNo cancel feeOn-time85%
FrontierCheapest$134Average$263FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$143Average$386FlexibilityNo cancel feeOn-time63%
DeltaCheapest$160Average$324FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$179Average$327FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$195Average$326FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$276Average$521FlexibilityNo cancel feeOn-time71%

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