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Cheap flights from Seattle to Austin from C$ 188

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 29/7. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — AUS
6 Jul — 13 Jul1
1 adult

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Austin Bergstrom are usually found in September or January, booked 80 days in advance, depart on a Saturday or Wednesday and return on a Wednesday

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 1 July 2025.

Round-trip from

C$ 337

One-way from

C$ 188

Popular in

December

Cheapest in

September

Average price

C$ 556

Good round-trip deal

C$ 436 or less
Hawaiian Airlines
  • Hawaiian Airlines
  • 16/8-25/8
  • Nonstop
  • 8h 35m total
  • Seattle to Austin
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Alaska Airlines
  • Alaska Airlines
  • 29/7
  • 1 total stop
  • 6h 01m total
  • Seattle to Austin
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 15 potential savings vs. average RT price).
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Average for round-trip flights in July 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 1 July 2025.

Sat 16/85:00 a.m.SEA - AUS
2 stops7h 05mSouthwest
Sat 23/83:00 p.m.AUS - SEA
2 stops10h 10mSouthwest
Deal found 30/6C$ 337
Wed 20/87:23 a.m.SEA - AUS
Nonstop4h 12mDelta
Sat 6/98:25 a.m.AUS - SEA
2 stops12h 30mDelta
Deal found 29/6C$ 340
Wed 6/87:00 a.m.SEA - AUS
1 stop7h 56mAlaska Airlines
Wed 6/87:30 p.m.AUS - SEA
Nonstop4h 37mAlaska Airlines
Deal found 29/6C$ 343
Wed 10/911:58 p.m.SEA - AUS
1 stop6h 53mUnited Airlines
Sun 14/97:44 a.m.AUS - SEA
1 stop7h 44mUnited Airlines
Deal found 29/6C$ 352
Tue 22/711:59 p.m.SEA - AUS
Nonstop4h 08mHawaiian Airlines
Fri 1/87:30 p.m.AUS - SEA
Nonstop4h 37mHawaiian Airlines
Deal found 30/6C$ 365
Thu 10/77:48 p.m.SEA - AUS
1 stop25h 56mFrontier
Sun 3/82:22 p.m.AUS - SEA
1 stop21h 40mFrontier
Deal found 29/6C$ 381

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 1 July 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

Sat 16/8

5:00 a.m.-2:05 p.m.

2 stops7h 05m

Austin Bergstrom

Sat 23/8

3:00 p.m.-11:10 p.m.

2 stops10h 10m

C$ 337

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Wed 20/8

7:23 a.m.-1:35 p.m.

Nonstop4h 12m

Austin Bergstrom

Tue 2/9

7:20 a.m.-6:05 p.m.

2 stops12h 45m

C$ 340

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Wed 6/8

7:00 a.m.-4:56 p.m.

1 stop7h 56m

Austin Bergstrom

Wed 6/8

7:30 p.m.-10:07 p.m.

Nonstop4h 37m

C$ 343

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Wed 10/9

11:58 p.m.-8:51 a.m.

1 stop6h 53m

Austin Bergstrom

Sun 14/9

7:44 a.m.-1:28 p.m.

1 stop7h 44m

C$ 352

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Tue 22/7

11:59 p.m.-6:07 a.m.

Nonstop4h 08m

Austin Bergstrom

Fri 1/8

7:30 p.m.-10:07 p.m.

Nonstop4h 37m

C$ 365

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Thu 17/7

7:48 p.m.-11:44 p.m.

1 stop25h 56m

Austin Bergstrom

Sun 3/8

1:59 p.m.-2:06 p.m.

1 stop26h 07m

C$ 388

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Tue 29/7

8:55 a.m.-4:56 p.m.

1 stop6h 01m

C$ 188

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Tue 12/8

7:00 a.m.-6:05 p.m.

2 stops9h 05m

C$ 197

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Tue 21/10

11:10 p.m.-8:30 a.m.

1 stop7h 20m

C$ 210

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Sat 9/8

8:00 a.m.-4:56 p.m.

1 stop6h 56m

C$ 229

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/6

Showing 1-10 of 11 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 27 June 2025.

Booking 80 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 1 July 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 30% on your trip compared to booking a flight in the evening.

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 1 July 2025.

The most flights from SEA to AUS are scheduled on a Saturday (28 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (13 on average).

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 1 July 2025.
Get a feel of what it's like to fly with Alaska Airlines,Southwest, 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.
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Southwest
8.0
Very good
4,278 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Delta
8.0
Very good
7,973 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Hawaiian Airlines
7.8
Good
2,533 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
United Airlines
7.4
Good
8,852 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

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 22 flights from Seattle/Tacoma Intl to Austin Bergstrom, all of which are around 4h 08m 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 16 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?

    Currently priced at C$ 337, Southwest will fly you from Seattle to Austin and back. In addition to Southwest, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Alaska Airlines - these airlines can fly you to your destination from C$ 340 and C$ 343, respectively. You may be able to fly from Seattle to Austin for 30% less than the average price by searching for these airlines.

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

    To fly one-way, consider booking your trip with Alaska Airlines, which is currently one of the cheapest options available, starting at C$ 188. Southwest flights start at C$ 197 while deals on United Airlines start at C$ 210 one-way.

  • 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: Delta (79%), WestJet (77%), ITA Airways (77%).

  • What are the cheapest flights from Seattle to Austin?

    While on average a flight from Seattle to Austin is generally C$ 494, our data shows the cheapest flight currently is C$ 325. When looking at the most popular route, (Seattle/Tacoma Intl - Austin Bergstrom), you can expect to pay C$ 388 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 Seattle?

Book flights to Seattle 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
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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 1 July 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 160AverageC$ 364FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Alaska AirlinesCheapestC$ 226AverageC$ 405FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

Fly with Cheapflights

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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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