Fly High from the Emerald City to the Live Music Capital: SEA to AUS Flight Deals
Cheapest flight found
$144
Last updated Mar 13, 2026
Prices by Month
Price History
Tracking the May 7, 2026 departure — the cheapest date we found.
Price Behavior: SEA → AUS
Based on 6 months of fare data collected by Trip Manta.
Lowest Fare
$144
Highest Fare
$250
Median Fare
$221
Price Spread
$106
Prices vary significantly — hourly tracking is especially valuable here.
Cheapest month to fly: May 2026 (from $144)
Most expensive month: April 2026 (from $250)
Biggest price drop caught: $30 between consecutive checks
Most frequent cheapest airline: Frontier
What This Means for You
Flights from Seattle to Austin range from $144 to $250, a $106 spread across the months we track. If your dates are flexible, May 2026 tends to have the lowest fares. Because prices on this route change significantly, setting up hourly price alerts gives you the best chance of catching a short-lived drop before it corrects. We have caught drops as large as $30 between hourly checks on this route.
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From
Seattle (SEA)
To
Austin (AUS)
Airport Information
Seattle (SEA)
Seattle-Tacoma International Airport, commonly referred to as Sea-Tac, serves as a major primary hub for the Pacific Northwest and is the headquarters for Alaska Airlines. Located about 14 miles south of downtown Seattle, the airport features a wide array of amenities including local Pacific Northwest dining options, impressive art installations, and the Sub-Pop Records shop. Recent renovations have significantly improved the North Satellite terminal, providing more space and modern gates for passengers heading to destinations like Austin.
Austin (AUS)
Austin-Bergstrom International Airport is uniquely Texan, featuring live music stages right inside the terminal to greet arriving passengers with local talent. It is located about five miles southeast of downtown Austin on the site of the former Bergstrom Air Force Base. Known for its efficiency and high-quality food options—including local favorites like Salt Lick BBQ—AUS is a relatively compact airport that is easy to navigate, though it has seen massive growth in traffic recently due to the city's booming tech sector.
Frequently Asked Questions
How long is the flight from Seattle to Austin?
A direct flight typically takes between 4 hours and 15 minutes to 4 hours and 45 minutes, depending on wind conditions and air traffic.
Which airlines fly non-stop between SEA and AUS?
Alaska Airlines and Delta Air Lines are the primary carriers offering daily non-stop service between Seattle-Tacoma and Austin-Bergstrom.
Is there a time difference between Seattle and Austin?
Yes, Austin is in the Central Time Zone, which is two hours ahead of Seattle's Pacific Time Zone.
What is the best time to book flights for this route?
Generally, booking 21 to 60 days in advance offers the most competitive rates for this specific cross-country route.
Does Austin-Bergstrom have convenient transportation to downtown?
Yes, travelers can use rideshare services like Uber and Lyft, taxis, or the CapMetro bus service, which provides a budget-friendly connection to the city center.
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