Flights from AUS to SEA: Compare Schedules and Fares for Austin to Seattle Trips
Cheapest flight found
$150
Last updated Mar 13, 2026
Prices by Month
Price History
Tracking the May 7, 2026 departure — the cheapest date we found.
Price Behavior: AUS → SEA
Based on 6 months of fare data collected by Trip Manta.
Lowest Fare
$150
Highest Fare
$249
Median Fare
$210
Price Spread
$99
Prices vary significantly — hourly tracking is especially valuable here.
Cheapest month to fly: May 2026 (from $150)
Most expensive month: July 2026 (from $249)
Biggest price drop caught: $55 between consecutive checks
Most frequent cheapest airline: Frontier
What This Means for You
Flights from Austin to Seattle range from $150 to $249, a $99 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 $55 between hourly checks on this route.
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From
Austin (AUS)
To
Seattle (SEA)
Airport Information
Austin (AUS)
Austin-Bergstrom International Airport (AUS) is located just 8 miles southeast of downtown Austin and serves as a premier gateway to Central Texas. Known for its artistic atmosphere, the airport frequently hosts live musical performances in its terminals, reflecting the city's rich cultural heritage. Travelers can enjoy a wide variety of high-quality local dining options, ranging from famous Texas brisket to artisanal coffee, ensuring a flavorful start to their journey.
Seattle (SEA)
Seattle-Tacoma International Airport (SEA), also known as Sea-Tac, is the largest airport in the Pacific Northwest and is situated approximately 14 miles south of downtown Seattle. The facility serves as a major hub for Alaska Airlines and Delta Air Lines, featuring state-of-the-art amenities including an extensive art collection and numerous lounges. Its strategic location provides breathtaking views of Mount Rainier on clear days, offering arriving passengers an immediate sense of Washington's natural grandeur.
Frequently Asked Questions
How long is the average nonstop flight from AUS to SEA?
A direct flight from Austin to Seattle typically lasts approximately 4 hours and 15 minutes, though tailwinds can sometimes shorten the eastbound return trip.
Which airlines offer direct flights on this route?
Major carriers including Alaska Airlines, Delta Air Lines, and Southwest Airlines frequently offer nonstop service between Austin-Bergstrom and Seattle-Tacoma.
What is the time difference between Austin and Seattle?
Seattle is in the Pacific Time Zone, which is two hours behind Austin's Central Time Zone.
Are there pet-relief areas at both airports?
Yes, both AUS and SEA are pet-friendly airports that provide designated indoor and outdoor relief areas for travelers flying with service animals or pets.
What is the best way to get from Sea-Tac to downtown Seattle?
The Sound Transit Link Light Rail is the most efficient method, running every 8-15 minutes and connecting the airport directly to downtown stations like Westlake and University Street.
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