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$114+ 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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — AUS
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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”
2. Select your favorite providers
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Austin Bergstrom are usually found in September or January, booked 71 days in advance, depart on a Wednesday or Thursday 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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$215
(Mytrip)

One-way from

$114
(Mytrip)

Popular in

December

Cheapest in

September

Average price

$362

Good round-trip deal

$294 or less

Good one-way deal

$157 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. 2% potential increase in price ($8 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 28, 2025.

This Mytrip deal was found by Cheapflights users on 3/26. 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.
Fri 4/252:30 pmSEA - AUS
2 stops18h 00mSpirit Airlines
Fri 5/25:30 amAUS - SEA
1 stop16h 21mSpirit Airlines
Deal found 3/26$215
This CheapOair deal was found by Cheapflights users on 3/27. 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.
Thu 4/248:56 pmSEA - AUS
1 stop11h 34mMultiple Airlines
Sat 4/266:00 amAUS - SEA
1 stop20h 44mMultiple Airlines
Deal found 3/27$216
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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 4/235:40 pmSEA - AUS
Nonstop4h 08mAlaska Airlines
Sat 4/267:30 amAUS - SEA
Nonstop4h 38mAlaska Airlines
Deal found 3/27$217
This CheapOair deal was found by Cheapflights users on 3/27. 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 4/2111:36 amSEA - AUS
1 stop26h 05mFrontier
Thu 5/16:00 amAUS - SEA
1 stop20h 44mFrontier
Deal found 3/27$240
This Southwest deal was found by Cheapflights users on 3/26. 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 4/166:00 amSEA - AUS
2 stops12h 00mSouthwest
Sun 4/208:55 pmAUS - SEA
1 stop6h 25mSouthwest
Deal found 3/26$252
This American Airlines deal was found by Cheapflights users on 3/27. 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.
Thu 4/1712:59 amSEA - AUS
1 stop8h 37mAmerican Airlines
Sun 4/205:00 amAUS - SEA
1 stop6h 29mAmerican Airlines
Deal found 3/27$257
This Hawaiian Airlines deal was found by Cheapflights users on 3/27. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/178:55 amSEA - AUS
1 stop6h 01mHawaiian Airlines
Fri 6/207:30 pmAUS - SEA
Nonstop4h 30mHawaiian Airlines
Deal found 3/27$267
This Delta deal was found by Cheapflights users on 3/27. 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.
Tue 4/225:35 pmSEA - AUS
Nonstop4h 04mDelta
Sat 4/267:30 amAUS - SEA
2 stops12h 52mDelta
Deal found 3/27$285
This United Airlines deal was found by Cheapflights users on 3/28. 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.
Sun 5/45:05 amSEA - AUS
2 stops8h 16mUnited Airlines
Tue 5/69:55 amAUS - SEA
3 stops13h 36mUnited Airlines
Deal found 3/28$342

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 March 28, 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

Fri 4/25

2:30 pm-10:30 am

2 stops18h 00m

Austin Bergstrom

Fri 5/2

5:30 am-7:51 pm

1 stop16h 21m

$215

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Thu 4/24

8:56 pm-10:30 am

1 stop11h 34m

Austin Bergstrom

Sat 4/26

6:00 am-12:44 am

1 stop20h 44m

$216

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Wed 4/23

5:40 pm-11:48 pm

Nonstop4h 08m

Austin Bergstrom

Sat 4/26

7:30 am-10:08 am

Nonstop4h 38m

$217

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Mon 4/21

11:36 am-3:41 pm

1 stop26h 05m

Austin Bergstrom

Thu 5/1

6:00 am-12:44 am

1 stop20h 44m

$240

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Wed 4/16

6:00 am-8:00 pm

2 stops12h 00m

Austin Bergstrom

Sun 4/20

8:55 pm-1:20 am

1 stop6h 25m

$252

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Thu 4/17

12:59 am-11:36 am

1 stop8h 37m

Austin Bergstrom

Sun 4/20

5:00 am-9:29 am

1 stop6h 29m

$257

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Tue 6/17

8:55 am-4:56 pm

1 stop6h 01m

Austin Bergstrom

Fri 6/20

7:30 pm-10:00 pm

Nonstop4h 30m

$267

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Tue 4/22

5:35 pm-11:39 pm

Nonstop4h 04m

Austin Bergstrom

Sat 4/26

7:30 am-6:22 pm

2 stops12h 52m

$285

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Sun 5/4

5:05 am-3:21 pm

2 stops8h 16m

Austin Bergstrom

Tue 5/6

9:55 am-9:31 pm

3 stops13h 36m

$342

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Sat 5/10

3:20 pm-12:44 pm

2 stops19h 24m

$114

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 18 results
1
2

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy1 starTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust 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 Seattle-Austin flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Austin flight deals on Cheapflights vs. FlightHub >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 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 Seattle-Austin flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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. Use SEA Spot Saver for advance security appointments to save time.

Read more about SEAby Brandon Schultz
AUS

Use the CapMetro Route 20 bus from AUS for a budget-friendly ride to downtown Austin, departing every 15 minutes during peak hours.

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

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 March 21, 2025.

The best time to book flights from Seattle to Austin is 71 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, January is the cheapest month in which you can book a flight from Seattle to Austin (average of $286). Flying from Seattle to Austin in March is currently the most expensive (average of $362). 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 March 28, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 15% on flights from Seattle to Austin by exploring options for tickets at noon.

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 March 23, 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.

Weekly flight availability from Seattle to Austin

Explore weekly flight availability from Seattle to Austin. 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 March 28, 2025.

The most flights from SEA to AUS are scheduled on a Thursday (20 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 on average).

Rainfall in Austin by month

Plan your trip to Austin by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Austin ranges from 2.1 - 4.2 inches per month. May is typically the wettest month, when rainfall can reach 4.2 in. July is typically the driest time to visit Austin when rainfall is around 2.1 in.

Temperature in Austin by month

Plan your trip to Austin by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Austin, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 50.0 F).

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 March 28, 2025.
See what other customers who have flown with Southwest, Alaska Airlines and Delta from Seattle to Austin have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.1

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.1

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.1

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,896 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.1

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Hawaiian Airlines
7.9
Good
2,336 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.1

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.1

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 15 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 04m.

  • 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.

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

    According to our current data, Spirit Airlines ($215), Alaska Airlines ($217), and Frontier ($240) offers the cheapest pricing from Seattle to Austin. These flights start at 40% lower than the current average price 3 months from now.

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

    The cheapest airlines for a one-way flight from Seattle to Austin are Spirit Airlines ($114), Hawaiian Airlines ($118), and Delta ($119).

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

    Consider KLM (100%), Air France (100%) or WestJet (100%) 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 $496, our data shows the cheapest flight currently is $118. When looking at the most popular route, (Seattle/Tacoma Intl - Austin Bergstrom), you can expect to pay $164 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, January is the cheapest month in which you can book a flight from Seattle to Austin (average of $286). Flying from Seattle to Austin in March is currently the most expensive (average of $362). 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
San Marcos
Georgetown
Seguin
Fredericksburg
Round Rock
Dripping Springs
Cedar Park
Pflugerville
Bastrop
Canyon Lake
Horseshoe Bay

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Alternative routes for Seattle to Austin

See prices for flight routes from nearby airports that may be better suited for you.
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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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$64Average$224FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$118Average$307FlexibilityNo cancel feeOn-time85%
FrontierCheapest$128Average$241FlexibilityNo cancel feeOn-time62%
DeltaCheapest$179Average$367FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$204Average$395FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$216Average$314FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$243Average$480FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$281Average$431FlexibilityNo cancel feeOn-time63%
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