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Cheap Flights from Seattle (SEA) to Austin (AUS)

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      Compare Seattle / Tacoma International to Austin-Bergstrom flight deals

      Find the cheapest month or even day of the year to fly to Austin-Bergstrom

      Book the best Austin-Bergstrom fare with no extra fees

      Flight deals from Seattle / Tacoma International to Austin-Bergstrom

      Looking for a cheap last-minute deal or the best return flight from Seattle / Tacoma International Airport to Austin-Bergstrom Airport? If you want to travel next month, return fares start from $204. Find the lowest prices on one-way and return tickets right here.
      Austin.$204 per passenger.Departing Mon, 19 Oct, returning Fri, 23 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Mon, 19 Oct, arriving in Austin-Bergstrom.Inbound indirect flight with Frontier Airlines, departs from Austin-Bergstrom on Fri, 23 Oct, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $204, select.
      Austin.$271 per passenger.Departing Fri, 30 Oct, returning Mon, 9 Nov.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Fri, 30 Oct, arriving in Austin-Bergstrom.Inbound indirect flight with Frontier Airlines, departs from Austin-Bergstrom on Mon, 9 Nov, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $271, select.
      Austin.$312 per passenger.Departing Fri, 9 Oct, returning Sat, 24 Oct.Return flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Seattle / Tacoma International on Fri, 9 Oct, arriving in Austin-Bergstrom.Inbound direct flight with Alaska Airlines departs from Austin-Bergstrom on Sat, 24 Oct, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $312, select.
      Austin.$321 per passenger.Departing Fri, 13 Nov, returning Sun, 15 Nov.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Fri, 13 Nov, arriving in Austin-Bergstrom.Inbound indirect flight with Frontier Airlines, departs from Austin-Bergstrom on Sun, 15 Nov, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $321, select.
      Austin.$330 per passenger.Departing Mon, 11 Jan, returning Fri, 22 Jan.Return flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Mon, 11 Jan, arriving in Austin-Bergstrom.Inbound direct flight with Delta departs from Austin-Bergstrom on Fri, 22 Jan, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $330, select.
      Austin.$330 per passenger.Departing Fri, 11 Dec, returning Mon, 14 Dec.Return flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Fri, 11 Dec, arriving in Austin-Bergstrom.Inbound direct flight with Delta departs from Austin-Bergstrom on Mon, 14 Dec, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $330, select.
      Austin.$330 per passenger.Departing Fri, 6 Nov, returning Sun, 8 Nov.Return flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Fri, 6 Nov, arriving in Austin-Bergstrom.Inbound direct flight with Delta departs from Austin-Bergstrom on Sun, 8 Nov, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $330, select.
      Austin.$330 per passenger.Departing Mon, 8 Feb, returning Fri, 19 Feb.Return flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Mon, 8 Feb, arriving in Austin-Bergstrom.Inbound direct flight with Delta departs from Austin-Bergstrom on Fri, 19 Feb, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $330, select.
      Austin.$330 per passenger.Departing Thu, 29 Oct, returning Thu, 5 Nov.Return flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Thu, 29 Oct, arriving in Austin-Bergstrom.Inbound direct flight with Delta departs from Austin-Bergstrom on Thu, 5 Nov, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $330, select.
      Austin.$342 per passenger.Departing Wed, 30 Sep, returning Tue, 6 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Wed, 30 Sep, arriving in Austin-Bergstrom.Inbound indirect flight with Frontier Airlines, departs from Austin-Bergstrom on Tue, 6 Oct, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $342, select.
      Austin.$344 per passenger.Departing Tue, 15 Dec, returning Tue, 5 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from Seattle / Tacoma International on Tue, 15 Dec, arriving in Austin-Bergstrom.Inbound indirect flight with Delta, departs from Austin-Bergstrom on Tue, 5 Jan, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $344, select.
      Austin.$412 per passenger.Departing Tue, 29 Sep, returning Wed, 30 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Tue, 29 Sep, arriving in Austin-Bergstrom.Inbound indirect flight with Frontier Airlines, departs from Austin-Bergstrom on Wed, 30 Sep, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $412, select.
      Austin.$413 per passenger.Departing Thu, 25 Feb, returning Mon, 1 Mar.Return flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Thu, 25 Feb, arriving in Austin-Bergstrom.Inbound direct flight with Delta departs from Austin-Bergstrom on Mon, 1 Mar, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $413, select.
      Austin.$414 per passenger.Departing Wed, 16 Dec, returning Wed, 6 Jan.Return flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Wed, 16 Dec, arriving in Austin-Bergstrom.Inbound direct flight with Delta departs from Austin-Bergstrom on Wed, 6 Jan, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $414, select.
      Austin.$422 per passenger.Departing Sat, 14 Nov, returning Sun, 13 Dec.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Sat, 14 Nov, arriving in Austin-Bergstrom.Inbound indirect flight with Frontier Airlines, departs from Austin-Bergstrom on Sun, 13 Dec, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $422, select.
      Austin.$456 per passenger.Departing Wed, 30 Sep, returning Wed, 7 Oct.Return flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Wed, 30 Sep, arriving in Austin-Bergstrom.Inbound direct flight with Delta departs from Austin-Bergstrom on Wed, 7 Oct, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $456, select.
      How did we find these deals? The deals you see here are the lowest prices for flight tickets from Seattle / Tacoma International to Austin-Bergstrom found in the last 4 days, and are subject to change and availability.

      Find the cheapest month to fly from Seattle / Tacoma International to Austin-Bergstrom

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle / Tacoma International to Austin-Bergstrom flights are currently cheapest in October.
      Sep
      from $412
      Oct
      from $204
      Nov
      from $321
      Dec
      from $330
      Jan
      from $330
      Feb
      from $330
      Mar
      from $456
      Apr
      from $510
      May
      from $552
      Jun
      from $552
      Jul
      Find prices
      Aug
      Find prices

      Direct flights from Seattle / Tacoma International to Austin-Bergstrom

      Aeromexico
      Air France
      Alaska Airlines
      American Airlines
      Condor
      Delta
      Finnair
      Japan Airlines
      KLM
      Korean Air
      Qatar Airways
      Scandinavian Airlines
      Southwest Airlines
      STARLUX Airlines
      WestJet

      Seattle / Tacoma International to Austin-Bergstrom: Alternative routes

      Compare routes from Seattle / Tacoma International to Austin below. You may find an airport to fly into that's cheaper, faster, or easier than Austin-Bergstrom.

      Austin-Bergstrom

      10km from central Austin
      ClosestCheapest
      from $204
      Search flights

      Killeen Gray AAF

      88km from central Austin
      Search flights

      Seattle to Austin: Flight information

      The things to know before you go.
      Cheapest flight found$204
      Cheapest month to flyOctober
      Average flight time4 hrs, 13 mins
      Most popular airlineQatar Airways
      Average flights per week143

      Finding cheap flights from Seattle / Tacoma International to Austin-Bergstrom: Frequently asked questions

      The best price we found for a return flight from Seattle / Tacoma International to Austin-Bergstrom is $204. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      4 hours and 13 minutes is the average flight time from Seattle / Tacoma International to Austin-Bergstrom.
      Qatar Airways, Alaska Airlines and Southwest Airlines fly direct from Seattle / Tacoma International to Austin-Bergstrom.
      As of September 2026, there are 143 flights per week flying from Seattle / Tacoma International to Austin-Bergstrom.
      The cheapest month to fly from Seattle / Tacoma International to Austin-Bergstrom is usually October.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Seattle / Tacoma International Airport to Austin-Bergstrom Airport on Monday, 19 October 2026.
      Yes – the average flight time is 4 hours and 13 minutes.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Austin-Bergstrom but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Austin is around 40 days in advance, so don’t leave your flight to the last minute.

      Currently, Frontier Airlines and Alaska Airlines offer the cheapest flight tickets to Austin-Bergstrom.

      Travelling from Seattle / Tacoma International Airport (SEA) to Austin-Bergstrom Airport (AUS): what you need to know

      • The average time for a direct flight from Seattle / Tacoma International Airport to Austin-Bergstrom Airport is 4 hours 15 minutes.

      • The timezone in Austin is UTC-6, which is two hours ahead of Seattle.

      • Every week, there are 38 Seattle / Tacoma International Airport to Austin-Bergstrom Airport flights.

      • Give yourself plenty of time to make your SEA to AUS flight. It's generally best to arrive two hours before international departures and an hour ahead for domestic flights.

      • You'll likely experience bigger queues in popular months like July. Arriving up to four hours ahead of international flights and two hours for domestic departures will give you ample time for security and boarding.

      • A variety of airlines offer direct flights from Seattle / Tacoma International Airport to Austin-Bergstrom Airport, so jetting off to Austin (and then visiting more of the United States!) is easy. The most popular carriers that fly nonstop include:

      • The airline that tops the list for bookings on this route is Alaska Airlines.

      • With 79.41% of its services arriving as scheduled, Delta is the most punctual carrier operating SEA to AUS flights.

      • If you want to explore another city along the way, simply deselect 'Direct flights only' when searching for your ticket from Seattle / Tacoma International Airport to Austin-Bergstrom Airport. Here are the most popular stopovers between SEA and AUS:

        • Dallas Fort Worth International Airport

        • Denver International Airport

        • Salt Lake City Airport

      How to find the cheapest flights from Seattle / Tacoma International Airport (SEA) to Austin-Bergstrom Airport (AUS)

      • Currently, $103 is the lowest price we've found for a one-way Seattle / Tacoma International Airport to Austin-Bergstrom Airport flight. The best price for a return ticket is $204. Keep in mind that fares may change due to demand at the time of booking.

      • Don't leave things to the last minute. You're more likely to get cheap tickets from SEA to AUS if you book ahead. Airlines often have some excellent early bird deals.

      • May is the cheapest month for flights from Seattle / Tacoma International Airport to Austin-Bergstrom Airport. If you prefer to fly at a different time of year, the 'Whole month' tool will show you the lowest airfares for each month.

      • Snapping up cheap flights from SEA to AUS is a breeze with Price Alerts. All you need to do is create one of these automatic alerts and we'll let you know as soon as fares go down.

      • Tailor your flights using filters. Select your ideal departure and arrival times, airlines and total journey duration. You can also sort results by 'Fastest,' 'Cheapest' or 'Best' flights from Seattle / Tacoma International Airport to Austin-Bergstrom Airport.

      Handy information about Seattle / Tacoma International Airport (SEA)

      • Seattle / Tacoma International Airport has a strong on-time performance, reducing the likelihood of delays. Departures from SEA touch down on schedule 80% of the time.

      • Central Seattle to Seattle / Tacoma International Airport is approximately 23 kilometres. Depending on traffic, it'll take about 25 minutes to get there if you're catching a taxi, ride-sharing or driving.

      • Planning to catch public transport? You can expect a journey time of around 35 minutes.

      • Get your travels off to a hassle-free start by staying near SEA. Whether you're catching an early flight from Seattle / Tacoma International Airport to Austin-Bergstrom Airport or want to avoid feeling rushed, these hotels have you covered:

      Arriving at Austin-Bergstrom Airport (AUS)

      When to fly to Austin-Bergstrom Airport (AUS)

      • The quietest month for a flight from Seattle / Tacoma International Airport to Austin-Bergstrom Airport is March, while July is the most popular. Choose the ideal time to go to Austin based on whether you prefer a bustling atmosphere or a more laid-back vibe.

      • Lock in your flight from Seattle / Tacoma International Airport to Austin-Bergstrom Airport for August if you'd like to go to Austin during its warmest month. Expect temperatures of between 23ºC (73ºF) and 41ºC (106ºF).

      • Look for cheap tickets from SEA to AUS in January if you like cooler conditions. Temperatures are at their lowest around then, ranging between 3ºC (37ºF) and 19ºC (66ºF) on average.

      Explore more of the United States

      • Houston is just one of the many places in the United States waiting to be explored once you've seen Austin. Around 241 kilometres away to the east, top sights here include The Museum of Fine Arts, Houston, Beck Building, Houston Museum of Natural Science and The Menil Collection.

      • Around 121 kilometres south-west of Austin, San Antonio is another essential stop in the United States. Experience major highlights starting with San Antonio River Walk, San Antonio River walk and Alamo Plaza.

      Plan smart, explore more

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      Plan the rest of your trip from Seattle to Austin

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.