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$108+ 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SEA
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 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 December 4, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/2. 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 12/256:45 amAUS - SEA
1 stop7h 45mFrontier
Mon 1/56:33 pmSEA - AUS
1 stop19h 15mFrontier
Deal found 12/2$198
This Frontier deal was found by Cheapflights users on 12/2. 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.
Fri 12/126:55 amAUS - SEA
1 stop6h 58mFrontier
Mon 1/52:54 pmSEA - AUS
1 stop7h 20mFrontier
Deal found 12/2$207
This Frontier deal was found by Cheapflights users on 12/1. 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.
Fri 12/196:45 amAUS - SEA
1 stop7h 45mFrontier
Wed 12/311:25 pmSEA - AUS
1 stop8h 49mFrontier
Deal found 12/1$208
This Mytrip deal was found by Cheapflights users on 12/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1110:22 pmAUS - SEA
1 stop13h 44mFrontier
Thu 1/11:25 pmSEA - AUS
1 stop8h 49mFrontier
Deal found 12/4$212
This Orbitz deal was found by Cheapflights users on 12/3. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1110:22 pmAUS - SEA
1 stop13h 44mMultiple Airlines
Sat 2/217:45 amSEA - AUS
1 stop7h 00mMultiple Airlines
Deal found 12/3$221
This Frontier deal was found by Cheapflights users on 12/3. 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.
Thu 12/1110:22 pmAUS - SEA
1 stop13h 44mFrontier
Sat 12/1312:48 pmSEA - AUS
1 stop9h 26mFrontier
Deal found 12/3$224
This Kiwi.com deal was found by Cheapflights users on 12/1. 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 12/207:22 pmAUS - SEA
1 stop16h 49mFrontier
Wed 12/311:25 pmSEA - AUS
1 stop8h 49mFrontier
Deal found 12/1$233
This Frontier deal was found by Cheapflights users on 12/3. 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.
Fri 12/196:45 amAUS - SEA
1 stop7h 45mFrontier
Mon 1/52:54 pmSEA - AUS
1 stop7h 20mFrontier
Deal found 12/3$237
This Frontier deal was found by Cheapflights users on 12/3. 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.
Fri 12/196:45 amAUS - SEA
1 stop7h 45mFrontier
Thu 1/11:25 pmSEA - AUS
1 stop8h 49mFrontier
Deal found 12/3$238
This Expedia deal was found by Cheapflights users on 12/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:45 amAUS - SEA
1 stop7h 45mMultiple Airlines
Sun 1/412:30 amSEA - AUS
Nonstop4h 10mMultiple Airlines
Deal found 12/2$240

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 December 4, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$178
(Alaska Airlines)

One-way from

$108
(Alaska Airlines)

Popular in

December

Cheapest in

January

Average price

$427

Good round-trip deal

$296 or less

Good one-way deal

$179 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. 4% potential increase in price ($13 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 4, 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 2/5

6:20 am-12:33 pm

1 stop8h 13m

Seattle/Tacoma Intl

Mon 2/9

6:05 am-5:59 pm

1 stop9h 54m

$179

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Tue 3/10

3:35 pm-6:20 pm

Nonstop4h 45m

Seattle/Tacoma Intl

Thu 3/26

11:15 pm-5:14 am

Nonstop3h 59m

$179

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Fri 1/23

7:20 am-2:54 pm

1 stop9h 34m

Seattle/Tacoma Intl

Sun 1/25

5:00 am-1:55 pm

1 stop6h 55m

$179

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Sat 1/24

7:20 am-12:57 pm

1 stop7h 37m

Seattle/Tacoma Intl

Tue 1/27

1:38 pm-9:32 pm

1 stop5h 54m

$179

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Wed 2/18

6:50 pm-12:09 am

1 stop7h 19m

Seattle/Tacoma Intl

Wed 2/25

6:10 am-5:49 pm

1 stop9h 39m

$179

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Thu 3/5

7:20 am-2:44 pm

1 stop9h 24m

Seattle/Tacoma Intl

Thu 3/12

9:40 am-6:12 pm

1 stop6h 32m

$179

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Sun 2/15

7:15 am-10:00 am

Nonstop4h 45m

Seattle/Tacoma Intl

Wed 2/18

7:45 am-4:45 pm

1 stop7h 00m

$198

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Thu 2/5

6:25 pm-11:15 pm

1 stop6h 50m

Seattle/Tacoma Intl

Mon 2/9

9:50 am-8:15 pm

2 stops8h 25m

$201

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Sat 1/24

1:10 pm-8:20 pm

2 stops9h 10m

Seattle/Tacoma Intl

Tue 1/27

6:05 am-4:40 pm

2 stops8h 35m

$204

AustinSeattle

AUS - SEA

AUSSEA

Austin Bergstrom

Fri 1/23

6:30 am-1:15 pm

1 stop8h 45m

Seattle/Tacoma Intl

Sun 1/25

9:30 am-5:50 pm

1 stop6h 20m

$209

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/4

Showing 1-10 of 23 results
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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
MytripPrice Accuracy3 starsTrust Score*3 stars

*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 Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Austin-Seattle flight deals on Cheapflights vs. Mytrip >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 Mytrip the most. Mytrip 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 November 28, 2025.

Booking 82 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 June is currently the most expensive (average of $216). 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 December 4, 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 6% 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 November 29, 2025.

Travelers seeking maximum savings on their Austin to Seattle flight should consider departing on Thursday evenings 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.

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
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.

Read more about Qatar Airwaysby Brandon Schultz
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.

Read more about Alaska Airlinesby Robert Schrader
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

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 December 4, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and Hawaiian 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
8.0
Very good
11,396 reviews

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Alaska Airlines
8.0
Very good
11,396 reviews
Alaska Airlines
8.0
Very good
11,396 reviews

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Delta
7.9
Good
8,011 reviews
Alaska Airlines
8.0
Very good
11,396 reviews

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Hawaiian Airlines
7.8
Good
2,815 reviews
Alaska Airlines
8.0
Very good
11,396 reviews

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
American Airlines
7.2
Good
11,043 reviews
Alaska Airlines
8.0
Very good
11,396 reviews

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Frontier
5.8
Fair
3,092 reviews
Alaska Airlines
8.0
Very good
11,396 reviews

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.

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 17 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 20m 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, 70 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 4h 45m. 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 $57, Spirit Airlines will fly you from Austin to Seattle and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Hawaiian Airlines and Frontier - these airlines can fly you to your destination from $118 and $129, respectively. Spirit Airlines is 82% 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 Spirit Airlines. According to our data, you can fly for as low as $57. Users have also found prices from $89 and $98 on Frontier and Hawaiian Airlines, 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: Aeromexico (96%), Condor (91%), Korean Air (88%).

  • What are the cheapest flights from Austin to Seattle?

    Looking at all options, your cheapest flight can be booked for $108. While the most popular route (Austin Bergstrom - Seattle/Tacoma Intl) can be booked for $149 on average, our data indicates $982 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 June is currently the most expensive (average of $216). 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
Tacoma
SeaTac
Lakewood
Olympia
Ocean Shores
Edmonds
Lynnwood
Renton
Puyallup
Kirkland
Kent
Tukwila
Cle Elum
Marysville
Leavenworth
Fife
Aberdeen
Shoreline
Centralia
Federal Way

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.
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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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$62Average$182FlexibilityNo cancel feeOn-time65%
FrontierCheapest$137Average$260FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$141Average$327FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$143Average$396FlexibilityNo cancel feeOn-time63%
DeltaCheapest$177Average$327FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$187Average$353FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$216Average$333FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$276Average$520FlexibilityNo cancel feeOn-time71%

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