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$108+ Cheap flights from Seattle to Austin (SEA - AUS)

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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — AUS
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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Find cheap flights from Seattle to Austin 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”

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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Austin Bergstrom are usually found in September or January, booked 81 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

Cheap flight deals from Seattle to Austin

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Austin (AUS). 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 November 6, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$189
(Expedia)

One-way from

$108
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$358

Good round-trip deal

$240 or less

Good one-way deal

$118 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Austin Bergstrom flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Austin Bergstrom flights.
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From Seattle/Tacoma Intl to Austin Bergstrom
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One-way flight from Seattle/Tacoma Intl to Austin Bergstrom
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Highest demand for flights based on searches. 4% potential increase in price ($15 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to Austin Bergstrom.
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Price to beat on a one-way flight from Seattle/Tacoma Intl to Austin Bergstrom.
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Find flight deals from Seattle to Austin

Cheapest flights from Seattle to Austin
Explore the most affordable flight options available from Seattle to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 6, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/241:01 pmSEA - AUS
1 stop18h 50mFrontier
Thu 12/410:22 pmAUS - SEA
1 stop13h 44mFrontier
Deal found 11/4$191
This FlightHub deal was found by Cheapflights users on 11/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/53:40 pmSEA - AUS
1 stop6h 34mMultiple Airlines
Sun 12/77:15 amAUS - SEA
Nonstop4h 47mMultiple Airlines
Deal found 11/5$192
This Orbitz deal was found by Cheapflights users on 11/6. 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.
Fri 12/123:40 pmSEA - AUS
1 stop6h 34mMultiple Airlines
Sun 12/147:26 pmAUS - SEA
Nonstop4h 44mMultiple Airlines
Deal found 11/6$193
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 12/59:14 amSEA - AUS
Nonstop4h 06mAlaska Airlines
Fri 12/121:33 pmAUS - SEA
Nonstop4h 45mAlaska Airlines
Deal found 11/5$195
This Alaska Airlines deal was found by Cheapflights users on 11/6. 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.
Wed 12/312:08 pmSEA - AUS
1 stop8h 01mAlaska Airlines
Tue 1/62:56 pmAUS - SEA
1 stop10h 39mAlaska Airlines
Deal found 11/6$196
This Delta deal was found by Cheapflights users on 11/5. 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 12/45:45 pmSEA - AUS
Nonstop4h 07mDelta
Sun 12/712:06 pmAUS - SEA
Nonstop4h 39mDelta
Deal found 11/5$197
This Delta deal was found by Cheapflights users on 11/6. 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.
Wed 12/37:20 amSEA - AUS
Nonstop4h 12mDelta
Sat 12/62:05 pmAUS - SEA
1 stop8h 50mDelta
Deal found 11/6$198
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 12/312:08 pmSEA - AUS
1 stop8h 01mAlaska Airlines
Sat 12/68:30 amAUS - SEA
1 stop8h 08mAlaska Airlines
Deal found 11/6$199
This Frontier deal was found by Cheapflights users on 11/6. 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 12/41:09 pmSEA - AUS
1 stop9h 05mFrontier
Tue 1/68:45 amAUS - SEA
1 stop6h 22mFrontier
Deal found 11/6$200
This Kiwi.com deal was found by Cheapflights users on 11/6. 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.
Sun 11/239:53 pmSEA - AUS
1 stop15h 58mFrontier
Thu 12/48:38 pmAUS - SEA
1 stop21h 23mFrontier
Deal found 11/6$201
This Southwest deal was found by Cheapflights users on 11/6. 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.
Sat 12/66:00 amSEA - AUS
2 stops9h 05mSouthwest
Tue 12/95:50 amAUS - SEA
1 stop6h 25mSouthwest
Deal found 11/6$202
This Frontier deal was found by Cheapflights users on 11/6. 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 12/53:40 pmSEA - AUS
1 stop6h 34mFrontier
Tue 1/68:45 amAUS - SEA
1 stop6h 22mFrontier
Deal found 11/6$204

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Austin 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 November 6, 2025.
Use the filters below to find and compare flights from Seattle to Austin that are best for you.

Fly from

Seattle

Fly to

Austin

Route

Depart

Return

Price

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Thu 3/5

8:35 am-2:35 pm

Nonstop4h 00m

Austin Bergstrom

Mon 3/9

6:50 pm-9:34 pm

Nonstop4h 44m

$197

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Thu 12/4

5:45 pm-11:52 pm

Nonstop4h 07m

Austin Bergstrom

Thu 12/11

6:05 am-8:55 am

Nonstop4h 50m

$197

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Fri 12/5

2:05 pm-12:03 am

1 stop7h 58m

Austin Bergstrom

Wed 12/10

12:06 pm-2:45 pm

Nonstop4h 39m

$198

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Sat 12/6

5:45 pm-11:52 pm

Nonstop4h 07m

Austin Bergstrom

Thu 12/11

12:28 pm-4:54 pm

1 stop6h 26m

$198

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Wed 1/14

9:35 am-4:00 pm

Nonstop4h 25m

Austin Bergstrom

Sat 1/17

3:57 pm-10:25 pm

1 stop8h 28m

$198

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Wed 2/18

6:05 am-5:59 pm

1 stop9h 54m

Austin Bergstrom

Sat 2/21

6:10 am-8:54 am

Nonstop4h 44m

$198

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Wed 12/3

5:15 am-6:10 pm

2 stops10h 55m

Austin Bergstrom

Wed 12/10

2:35 pm-6:40 pm

1 stop6h 05m

$208

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Tue 12/2

5:51 pm-11:59 pm

Nonstop4h 08m

Austin Bergstrom

Sun 12/7

7:15 am-10:02 am

Nonstop4h 47m

$217

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Sat 12/6

9:14 am-3:20 pm

Nonstop4h 06m

Austin Bergstrom

Sat 12/6

7:26 pm-10:10 pm

Nonstop4h 44m

$217

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Sun 2/1

8:25 am-4:39 pm

1 stop6h 14m

Austin Bergstrom

Wed 2/4

12:30 pm-3:15 pm

Nonstop4h 45m

$217

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 21 results
1
2
3

Compare providers for flights from Seattle to Austin

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 Seattle to Austin in November.
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
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice 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 Seattle-Austin flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Seattle-Austin flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Seattle-Austin flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Austin flights, Cheapflights users trust CheapOair the most. CheapOair 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 Seattle-Austin 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 Seattle to Austin

Have a flexible travel schedule? Discover the best time to fly to Austin from Seattle 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 Seattle to Austin

How far ahead should I book a flight from Seattle to Austin?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Austin. Price data was last updated on October 31, 2025.

The best time to book flights from Seattle to Austin is 81 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 Seattle to Austin?

Currently, August is the cheapest month in which you can book a flight from Seattle to Austin (average of $123). Flying from Seattle to Austin in June is currently the most expensive (average of $222). 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 SEA to AUS?

Find hourly flight availability from Seattle to Austin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 6, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 18% on flights from Seattle to Austin by exploring options for tickets in the afternoon.

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

Use this chart to determine the cheapest time to fly round-trip from Seattle to Austin. Price data was last updated on November 2, 2025.

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

The best insider tips for Seattle to Austin 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 Seattle to Austin trip
Airports
SEA

Plan to arrive at SEA at least two hours before your flight due to potentially long security lines.

Read more about SEAby Brandon Schultz
AUS

Use the CapMetro Route 20 bus for a budget-friendly ride from AUS to downtown Austin.

Read more about AUSby Ramsey Qubein
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on 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
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 Austin

Get insights into the airlines that provide service to Austin. 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 Austin. Reviews last updated November 6, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and Hawaiian Airlines from Seattle to Austin 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
11,246 reviews

Food

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Alaska Airlines
8.0
Very good
11,246 reviews
Alaska Airlines
8.0
Very good
11,246 reviews

Food

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Delta
7.9
Good
8,001 reviews
Alaska Airlines
8.0
Very good
11,246 reviews

Food

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Hawaiian Airlines
7.8
Good
2,804 reviews
Alaska Airlines
8.0
Very good
11,246 reviews

Food

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
American Airlines
7.2
Good
11,040 reviews
Alaska Airlines
8.0
Very good
11,246 reviews

Food

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Frontier
5.8
Fair
3,116 reviews
Alaska Airlines
8.0
Very good
11,246 reviews

Food

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Austin. 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 Seattle to Austin?

    You will need to book a flight from Seattle/Tacoma Intl to Austin Bergstrom if you want to fly from Seattle to Austin. At least 8 different airlines have flights from Seattle/Tacoma Intl (SEA) to Austin Bergstrom (AUS) on a regular basis. There are 16 flights to Austin from the Seattle airport per day. If you manage to book one that is nonstop, then you can expect the flight time from SEA to AUS to be around 4h 06m.

  • How popular is this Seattle to Austin flight route?

    The Seattle/Tacoma Intl to Austin Bergstrom flight path was viewed by 15 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 Seattle to Austin?

    A quick flight from Seattle to Austin can take about 4h. Alaska Airlines provides one of the quickest options available for as low as $197. Airlines will cover a distance of 1768 mi. Most flights are nonstop.

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

    According to our current data, Spirit Airlines ($55), Hawaiian Airlines ($118), and Frontier ($139) offers the cheapest pricing from Seattle to Austin. These flights start at 84% lower than the current average price 3 months from now.

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

    Consider Aeromexico (100%), WestJet (93%) or Korean Air (92%) when booking your flight. These represent the most reliable airlines when flying from Seattle to Austin.

  • What are the cheapest flights from Seattle to Austin?

    While on average a flight from Seattle to Austin is generally $616, our data shows the cheapest flight currently is $108. When looking at the most popular route, (Seattle/Tacoma Intl - Austin Bergstrom), you can expect to pay $177 for that flight.

  • Can I find deals for flights from Seattle to Austin that include hotel bookings?

    Yes. In addition to deals on Seattle to Austin flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Austin?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Austin.

  • Can I find deals for business class flights from Seattle to Austin?

    Yes. Cheapflights offers flight deals from Seattle to Austin 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 Seattle to Austin?

    Currently, August is the cheapest month in which you can book a flight from Seattle to Austin (average of $123). Flying from Seattle to Austin in June is currently the most expensive (average of $222). 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 Austin?

Book flights to Austin if you plan to visit one of these locations
Cedar Park
Round Rock
San Marcos
Fredericksburg
Pflugerville
Dripping Springs
Georgetown
Canyon Lake
Seguin
Horseshoe Bay

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Alternative routes for Seattle to Austin

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Top 8 airlines flying from Seattle to Austin

Discover the top 8 airlines that operate flights from Seattle to Austin. 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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$55Average$173FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$118Average$310FlexibilityNo cancel feeOn-time85%
FrontierCheapest$139Average$233FlexibilityNo cancel feeOn-time62%
DeltaCheapest$196Average$339FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$197Average$389FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$202Average$416FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$216Average$296FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$266Average$559FlexibilityNo cancel feeOn-time71%

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