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Cheap flights from Seattle to Austin from C$ 177

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 17/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — AUS
16 Oct — 23 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Austin Bergstrom are usually found in September or January, booked 88 days in advance, depart on a Saturday or Tuesday and return on a Tuesday

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 16 September 2025.

Round-trip from

C$ 272

One-way from

C$ 177

Popular in

December

Cheapest in

September

Average price

C$ 396

Good round-trip deal

C$ 624 or less
Delta
  • Delta
  • 17/11-25/11
  • Nonstop
  • 8h 57m total
  • Seattle to Austin
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Alaska Airlines
  • Alaska Airlines
  • 17/12
  • 1 total stop
  • 9h 14m total
  • Seattle to Austin
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Highest demand for flights based on searches. 6% potential increase in price (C$ 43 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 17 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip 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 16 September 2025.

Tue 21/107:20 a.m.SEA - AUS
Nonstop4h 14mDelta
Tue 28/106:04 p.m.AUS - SEA
Nonstop4h 36mDelta
Deal found 15/9C$ 272
Fri 7/112:22 p.m.SEA - AUS
1 stop8h 10mFrontier
Sun 9/116:00 a.m.AUS - SEA
1 stop8h 13mFrontier
Deal found 13/9C$ 274
Sat 25/105:00 a.m.SEA - AUS
1 stop9h 50mSouthwest
Sat 25/106:15 p.m.AUS - SEA
1 stop6h 15mSouthwest
Deal found 15/9C$ 279
Sat 18/109:04 a.m.SEA - AUS
Nonstop4h 06mHawaiian Airlines
Sat 15/111:36 p.m.AUS - SEA
Nonstop4h 39mHawaiian Airlines
Deal found 14/9C$ 286
Wed 19/118:10 a.m.SEA - AUS
1 stop6h 50mSouthwest
Wed 3/128:15 a.m.AUS - SEA
2 stops14h 25mSouthwest
Deal found 14/9C$ 287
Sat 15/118:00 a.m.SEA - AUS
1 stop6h 46mAlaska Airlines
Wed 26/117:17 a.m.AUS - SEA
1 stop9h 09mAlaska Airlines
Deal found 16/9C$ 298
Wed 8/102:10 p.m.SEA - AUS
1 stop7h 46mDelta
Sat 11/104:15 p.m.AUS - SEA
1 stop8h 10mDelta
Deal found 16/9C$ 300
Tue 11/118:00 a.m.SEA - AUS
1 stop6h 46mAlaska Airlines
Tue 11/117:18 p.m.AUS - SEA
Nonstop4h 36mAlaska Airlines
Deal found 15/9C$ 305
Sat 13/125:45 a.m.SEA - AUS
1 stop14h 30mSouthwest
Sat 20/128:15 p.m.AUS - SEA
1 stop6h 45mSouthwest
Deal found 15/9C$ 307
Wed 22/105:50 p.m.SEA - AUS
Nonstop4h 06mAlaska Airlines
Mon 27/107:18 p.m.AUS - SEA
Nonstop4h 36mAlaska Airlines
Deal found 15/9C$ 314
Tue 11/118:10 a.m.SEA - AUS
2 stops12h 25mSouthwest
Tue 16/126:30 p.m.AUS - SEA
1 stop6h 25mSouthwest
Deal found 15/9C$ 315

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 629,999 searches. Data last updated 16 September 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

Tue 7/10

7:20 a.m.-1:34 p.m.

Nonstop4h 14m

Austin Bergstrom

Tue 14/10

6:16 a.m.-8:55 a.m.

Nonstop4h 39m

C$ 272

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Wed 19/11

8:00 a.m.-4:46 p.m.

1 stop6h 46m

Austin Bergstrom

Wed 3/12

7:15 a.m.-10:02 a.m.

Nonstop4h 47m

C$ 286

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Fri 14/11

5:59 p.m.-12:14 a.m.

Nonstop4h 15m

Austin Bergstrom

Tue 18/11

1:36 p.m.-4:15 p.m.

Nonstop4h 39m

C$ 314

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Wed 5/11

12:06 p.m.-6:18 p.m.

Nonstop4h 12m

Austin Bergstrom

Sun 9/11

7:00 a.m.-9:36 a.m.

Nonstop4h 36m

C$ 314

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Wed 22/10

5:50 p.m.-11:56 p.m.

Nonstop4h 06m

Austin Bergstrom

Sun 26/10

7:00 a.m.-9:36 a.m.

Nonstop4h 36m

C$ 314

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Tue 18/11

8:10 a.m.-5:00 p.m.

1 stop6h 50m

Austin Bergstrom

Thu 18/12

4:50 p.m.-12:30 a.m.

1 stop9h 40m

C$ 315

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Tue 11/11

8:10 a.m.-10:35 p.m.

2 stops12h 25m

Austin Bergstrom

Tue 16/12

6:30 p.m.-10:55 p.m.

1 stop6h 25m

C$ 315

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Tue 18/11

10:50 a.m.-9:40 p.m.

2 stops8h 50m

Austin Bergstrom

Thu 20/11

8:30 a.m.-9:50 p.m.

2 stops15h 20m

C$ 337

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Tue 16/12

5:51 p.m.-11:59 p.m.

Nonstop4h 08m

Austin Bergstrom

Tue 23/12

7:17 a.m.-2:55 p.m.

1 stop9h 38m

C$ 345

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Wed 22/10

5:50 p.m.-11:56 p.m.

Nonstop4h 06m

Austin Bergstrom

Fri 31/10

4:14 p.m.-11:06 p.m.

1 stop8h 52m

C$ 355

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/9

Showing 1-10 of 22 results
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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 12 September 2025.

Booking 88 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Austin. 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 Seattle to Austin?

Currently, September is the cheapest month in which you can book a flight from Seattle to Austin (average of C$ 424). Flying from Seattle to Austin in March is currently the most expensive (average of C$ 520). 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 16 September 2025.

A simple way to save on the total cost of your ticket is to fly from Seattle to Austin at noon. If you’re flexible enough to do this you can expect to save up to 39% on your trip compared to booking a flight in the evening.

How much does it cost to fly round-trip from Seattle to Austin?

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 16 September 2025.
Get a feel of what it's like to fly with Alaska Airlines and Delta from Seattle to Austin by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,957 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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?

    Booking a flight from Seattle/Tacoma Intl (SEA) to Austin Bergstrom (AUS) is your only option if you wish to fly from Seattle to Austin. On a typical day, there are 11 flights from Seattle/Tacoma Intl to Austin Bergstrom, all of which are around 4h 15m for a nonstop flight. You can also purchase a plane ticket from 2 airlines when you book a flight from Seattle/Tacoma Intl to Austin.

  • How popular is this Seattle to Austin flight route?

    The Seattle/Tacoma Intl to Austin Bergstrom flight path was viewed by 13 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?

    For as low as C$ 286, Hawaiian Airlines can have you in Austin from Seattle in 4h 06m. The distance from Seattle to Austin is about 2845 km. This flight may include one or multiple stops.

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

    Currently priced at C$ 162, Delta will fly you from Seattle to Austin and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Alaska Airlines for as low as C$ 270. You may be able to fly from Seattle to Austin for 66% less than the average price by searching for these airlines.

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

    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 Seattle to Austin on time: WestJet (83%), Delta (82%), Scandinavian Airlines (82%).

  • What are the cheapest flights from Seattle to Austin?

    While on average a flight from Seattle to Austin is generally C$ 645, our data shows the cheapest flight currently is C$ 356. When looking at the most popular route, (Seattle/Tacoma Intl - Austin Bergstrom), you can expect to pay C$ 387 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, September is the cheapest month in which you can book a flight from Seattle to Austin (average of C$ 424). Flying from Seattle to Austin in March is currently the most expensive (average of C$ 520). 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

Travelling to a place near Austin?

Book flights to Austin if you plan to visit one of these locations
Dripping Springs

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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.
Seattle to Dallas/Fort Worth flights
Seattle to George Bush Intcntl flights
Bellingham to Dallas/Fort Worth flights

Top 2 airlines flying from Seattle to Austin

Discover the top 2 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 629,999 searches. Data last updated 16 September 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 162AverageC$ 202FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Alaska AirlinesCheapestC$ 270AverageC$ 509FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seattle to Austin?

Deals for Seattle to Austin flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Austin?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Seattle to Austin.

Can Cheapflights find flights from Seattle to Austin with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Seattle to Austin flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Seattle to Austin become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Austin from Seattle today and book when prices fit your budget.

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