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Cheap flights from Seattle to Austin from C$ 223

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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — AUS
2 Sep — 9 Sep1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Austin Bergstrom are usually found in January or February, booked 89 days in advance, depart on a Saturday or Wednesday and return on a Tuesday

Cheap flight deals from Seattle to Austin

Enter your travel dates to find the best prices.

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 3 August 2026.

Wed 2/98:30 a.m.
SEA
-
AUS
1 stop9h 20m
Southwest
Wed 9/911:55 a.m.
AUS
-
SEA
2 stops9h 20m
Southwest
Deal found 3/8C$ 368
Thu 27/85:55 p.m.
SEA
-
AUS
Nonstop4h 03m
Delta
Sat 29/86:15 a.m.
AUS
-
SEA
Nonstop4h 25m
Delta
Deal found 2/8C$ 375
Wed 16/911:37 a.m.
SEA
-
AUS
Nonstop4h 27m
Alaska Airlines
Mon 21/97:59 p.m.
AUS
-
SEA
1 stop16h 26m
Alaska Airlines
Deal found 30/7C$ 379
Sat 12/96:00 a.m.
SEA
-
AUS
2 stops8h 40m
Southwest
Sat 19/95:20 p.m.
AUS
-
SEA
1 stop6h 10m
Southwest
Deal found 30/7C$ 382
Wed 16/911:05 p.m.
SEA
-
AUS
2 stops11h 40m
Southwest
Tue 22/911:55 a.m.
AUS
-
SEA
2 stops9h 20m
Southwest
Deal found 30/7C$ 389
Mon 12/108:40 p.m.
SEA
-
AUS
1 stop12h 30m
Southwest
Wed 14/103:35 p.m.
AUS
-
SEA
Nonstop4h 30m
Southwest
Deal found 2/8C$ 397
Thu 27/82:37 p.m.
SEA
-
AUS
1 stop7h 04m
Frontier
Thu 3/96:15 a.m.
AUS
-
SEA
2 stops11h 13m
Frontier
Deal found 30/7C$ 399
Sat 29/87:40 a.m.
SEA
-
AUS
1 stop12h 47m
Alaska Airlines
Tue 1/94:14 p.m.
AUS
-
SEA
Nonstop4h 32m
Alaska Airlines
Deal found 31/7C$ 404
Wed 2/911:05 a.m.
SEA
-
AUS
Nonstop4h 16m
Delta
Sun 6/96:15 a.m.
AUS
-
SEA
Nonstop4h 25m
Delta
Deal found 2/8C$ 407
Thu 29/1012:10 a.m.
SEA
-
AUS
2 stops10h 05m
Southwest
Wed 4/113:55 p.m.
AUS
-
SEA
1 stop8h 20m
Southwest
Deal found 31/7C$ 410
Fri 4/911:05 a.m.
SEA
-
AUS
Nonstop4h 16m
Delta
Mon 7/96:15 a.m.
AUS
-
SEA
Nonstop4h 25m
Delta
Deal found 31/7C$ 417

Find 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 3 August 2026.

Round-trip from

C$ 375

One-way from

C$ 230

Popular in

July

Cheapest in

January

Average price

C$ 489

Good round-trip deal

C$ 296 or less
Delta
  • Delta
  • 27/8-29/8
  • Nonstop
  • 8h 28m total
  • Seattle to Austin
Search Deals
Southwest
  • Southwest
  • 1/10
  • 2 total stops
  • 10h 05m total
  • Seattle to Austin
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 53 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a round-trip flight from Seattle/Tacoma Intl to Austin Bergstrom.
Search Deals

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 3 August 2026.
Use the filters below to find and compare flights from Seattle to Austin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Fri 4/9

11:00 p.m.-8:35 a.m.

1 stop7h 35m

Austin Bergstrom

Tue 8/9

4:10 p.m.-6:35 p.m.

Nonstop4h 25m

C$ 389

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Sat 26/9

9:15 a.m.-8:50 p.m.

1 stop9h 35m

Austin Bergstrom

Wed 30/9

12:00 p.m.-8:20 p.m.

2 stops10h 20m

C$ 410

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Sat 29/8

8:35 a.m.-4:49 p.m.

1 stop6h 14m

Austin Bergstrom

Tue 1/9

7:07 p.m.-9:36 p.m.

Nonstop4h 29m

C$ 417
Quickest round-trip

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Fri 4/9

11:05 a.m.-5:21 p.m.

Nonstop4h 16m

Austin Bergstrom

Mon 7/9

6:15 a.m.-8:40 a.m.

Nonstop4h 25m

C$ 445

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Fri 11/9

5:00 a.m.-3:55 p.m.

2 stops8h 55m

Austin Bergstrom

Wed 16/9

12:00 p.m.-8:20 p.m.

2 stops10h 20m

C$ 459

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Wed 18/11

11:40 a.m.-6:04 p.m.

Nonstop4h 24m

Austin Bergstrom

Sat 21/11

3:13 p.m.-6:01 p.m.

Nonstop4h 48m

C$ 473

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Fri 11/9

5:06 p.m.-11:14 p.m.

Nonstop4h 08m

Austin Bergstrom

Sun 13/9

7:15 a.m.-11:45 a.m.

1 stop6h 30m

C$ 473

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Fri 21/8

11:44 a.m.-6:04 p.m.

Nonstop4h 20m

Austin Bergstrom

Sun 23/8

7:59 p.m.-9:20 a.m.

1 stop15h 21m

C$ 487

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Wed 18/11

1:00 p.m.-10:29 p.m.

1 stop7h 29m

Austin Bergstrom

Mon 23/11

5:38 p.m.-10:38 p.m.

1 stop7h 00m

C$ 497

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Thu 17/12

8:30 a.m.-2:30 p.m.

Nonstop4h 00m

Austin Bergstrom

Fri 25/12

6:10 a.m.-1:00 p.m.

2 stops8h 50m

C$ 522

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/8

Showing 1-10 of 23 resultsSorted by cheapest first
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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?

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, January is the cheapest month in which you can book a flight from Seattle to Austin (average of C$ 355). Flying from Seattle to Austin in July is currently the most expensive (average of C$ 552). 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 3 August 2026.

A simple way to save on the total cost of your ticket is to fly from Seattle to Austin in the afternoon. If you’re flexible enough to do this you can expect to save up to 32% on your trip compared to booking a flight in the evening.

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

Airfare is typical for this route at the moment.

Seattle to Austin flights typically cost between C$ 336 and C$ 733 in September.
The cheapest round-trip price found within the last 5 days was C$ 368 on Southwest (2 Sep-9 Sep).

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 3 August 2026.
Get a feel of what it's like to fly with Southwest,Alaska Airlines, andDelta 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.
Southwest
8.0
Very good
4,221 reviews
Check prices

Overall

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,221 reviews
Southwest
8.0
Very good
4,221 reviews
Check prices

Overall

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Alaska Airlines
7.9
Good
12,760 reviews
Southwest
8.0
Very good
4,221 reviews
Check prices

Overall

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.8
Good
8,482 reviews
Southwest
8.0
Very good
4,221 reviews
Check prices

Overall

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 10 flights from Seattle/Tacoma Intl to Austin Bergstrom, all of which are around 4h 03m for a nonstop flight. You can also purchase a plane ticket from 3 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 4 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$ 403, Delta can have you in Austin from Seattle in 4h 11m. 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$ 233, Delta will fly you from Seattle to Austin and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Alaska Airlines and Southwest - these airlines can fly you to your destination from C$ 262 and C$ 377, respectively. You may be able to fly from Seattle to Austin for 51% 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: Alaska Airlines (83%), Southwest (77%), KLM (77%).

  • What are the cheapest flights from Seattle to Austin?

    While on average a flight from Seattle to Austin is generally C$ 578, our data shows the cheapest flight currently is C$ 296. When looking at the most popular route, (Seattle/Tacoma Intl - Austin Bergstrom), you can expect to pay C$ 498 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 C$ 355). Flying from Seattle to Austin in July is currently the most expensive (average of C$ 552). 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
Round Rock
Dripping Springs

Browse thousands of different options on Cheapflights for your next trip

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

Top 3 airlines flying from Seattle to Austin

Discover the top 3 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 3 August 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 233AverageC$ 417FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Alaska AirlinesCheapestC$ 262AverageC$ 474FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
SouthwestCheapestC$ 377AverageC$ 516FlexibilityNo cancel feeOn-time63%
Search Southwest 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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