$64 Flights from Austin-Bergstrom (AUS) to Seattle / Tacoma International (SEA)

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Flight deals from Austin-Bergstrom to Seattle / Tacoma International

Looking for a cheap last-minute deal or the best round-trip flight from Austin-Bergstrom to Seattle / Tacoma International? Find the lowest prices on one-way and round-trip tickets right here.

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

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Austin-Bergstrom to Seattle / Tacoma International flights are currently cheapest in February.

Direct flights from Austin-Bergstrom to Seattle / Tacoma International

Austin-Bergstrom to Seattle / Tacoma International: Alternative routes

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

Austin to Seattle: Flight information

The things to know before you go.
Cheapest flight found$64
Cheapest month to flyFebruary
Average flight time4 hrs, 40 mins
Most popular airlineAlaska Airlines
Average flights per week255

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

The best price we found for a round-trip flight from Austin-Bergstrom to Seattle / Tacoma International is $131. 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 40 minutes is the average flight time from Austin-Bergstrom to Seattle / Tacoma International.
Alaska Airlines, Air Tahiti Nui and Hawaiian Airlines fly direct from Austin-Bergstrom to Seattle / Tacoma International.
There are 227 flights per week flying from Austin-Bergstrom to Seattle / Tacoma International, as of January 2026.
The cheapest month to fly from Austin-Bergstrom to Seattle / Tacoma International is usually January.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Austin-Bergstrom Airport to Seattle / Tacoma International Airport on Saturday, January 24, 2026.
Yes – the average flight time is 4 hours and 40 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 Seattle / Tacoma International 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 Seattle 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 Seattle / Tacoma International.

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

  • The average time for a direct flight from Austin-Bergstrom International Airport to Seattle-Tacoma International Airport is 4 hours 30 minutes.

  • Seattle is two hours behind Austin and is in the UTC-7 timezone.

  • You can choose from 49 weekly Austin-Bergstrom International Airport to Seattle-Tacoma International Airport flights. The 06:00 departure with Alaska Airlines is the earliest available. Alaska Airlines operates the last service of the day at 19:26.

  • Get to the airport on time so you don't miss your AUS to SEA flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid any last-minute rush.

  • Traveling during a peak month such as July? School holidays and other popular periods can mean longer lines and delays at airport checkpoints. Play it safe and arrive up to four hours before international flights and two hours before a domestic departure.

  • Alaska Airlines is your gateway to exploring Seattle (and maybe even some other exciting parts of United States!). Check out the direct flights from Austin-Bergstrom International Airport to Seattle-Tacoma International Airport offered by this popular carrier.

  • Most passengers choose to travel with Alaska Airlines on this route.

  • With an impressive 83.89% of services arriving as planned, Alaska Airlines is the most punctual carrier operating AUS to SEA flights.

  • Consider adding a stopover when booking your ticket from Austin-Bergstrom International Airport to Seattle-Tacoma International Airport. Just deselect 'Direct flights only' to break up your journey, or even explore someplace new along the way. Check out these options between AUS and SEA:

    • Salt Lake City International Airport

    • Denver International Airport

    • Phoenix Sky Harbor International Airport

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

  • Currently, $64 is the lowest price we've seen for a one-way Austin-Bergstrom International Airport to Seattle-Tacoma International Airport flight. The best price for a return ticket is $131. Bear in mind that fares could change due to availability when booking.

  • Book six months before traveling. After looking at the numbers on our calendar, this is how far you should book ahead to find cheap tickets from AUS to SEA.

  • The cheapest month for flights from Austin-Bergstrom International Airport to Seattle-Tacoma International Airport is May. Use the 'Whole month' tool to see the lowest airfares if you have a flexible travel schedule.

  • Spend less time searching for cheap flights from AUS to SEA by setting up a Price Alert. We'll send you an email or push notification on the app when fares go down.

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

Handy information about Austin-Bergstrom International Airport (AUS)

  • You'll find AUS at 3600 Presidential Blvd.

  • Austin-Bergstrom International Airport maintains a strong on-time record, reducing your chances of a delayed flight. Departures from AUS land at their destination as scheduled 81.23% of the time.

  • Central Austin to Austin-Bergstrom International Airport is around 12 miles. Depending on traffic, it'll take you about 25 minutes to get there if you're driving, ride-sharing or catching a cab.

  • Catching public transport? You can expect a journey time of around 3 hours 25 minutes.

  • Taking an early flight from Austin-Bergstrom International Airport to Seattle-Tacoma International Airport? Avoid rushing to the terminal (and get some extra shut-eye) by picking one of these stays near AUS:

Arriving at Seattle-Tacoma International Airport (SEA)

Getting from Seattle-Tacoma International Airport (SEA) to central Seattle

  • Seattle-Tacoma International Airport to the center of Seattle has a drive time of about 20 minutes. It's approximately 14 miles away.

  • Getting there by public transport takes roughly 55 minutes.

When to fly to Seattle-Tacoma International Airport (SEA)

  • July is the most popular month for flights from Austin-Bergstrom International Airport to Seattle-Tacoma International Airport. For a quieter experience, travel to Seattle in May.

  • Lock in your flight from Austin-Bergstrom International Airport to Seattle-Tacoma International Airport for August if you'd like to explore Seattle during its warmest month. Expect temperatures of between 54ºF and 82ºF.

  • If you want to travel in cooler conditions, search for a cheap ticket from AUS to SEA in February. Temperatures average between 30ºF and 52ºF then.

Explore more of United States

  • You've done Seattle, now it's time to explore other corners of United States. Travel about 150 miles south to Portland to check off its must-visit sights. From Pioneer Courthouse Square to Portland Japanese Garden and Pittock Mansion, you'll have a packed itinerary ahead.

  • Around 230 miles east of Seattle, Spokane is another favorite stop in United States. No visit is complete without checking out Manito Park, Northwest Museum of Arts & Culture and Spokane Falls.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.