$109 Cheap Delta flights Seattle (SEA) to Austin (AUS)

You can find cheap return Delta Air Lines flights from $177 from SEA to AUS by sorting your results from "Price (lowest to highest)" on Expedia. Or look for options from $109 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

For cheap Delta Air Lines fares from Seattle - Tacoma Intl. Airport (SEA) to Austin-Bergstrom Intl. Airport (AUS), start searching one to three months before your intended departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also impact the overall price. Sunday is typically the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your journey on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.

The first flight from SEA to AUS with Delta Air Lines leaves at 9:30AM UTC-8. You'll land at 3:55PM UTC-6. The final Delta Air Lines flight of the day leaves at 9:30AM UTC-8 and arrives at 3:55PM UTC-6. With around 20% fewer cancellations for early and mid-morning departures, starting your travel day early is usually the wisest option.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.

Jetting off from SEA to AUS with Delta Air Lines means enjoying plenty of perks, including a rewarding loyalty program and an excellent in-flight experience. Plus, when booking through Expedia, One Key™ members can earn OneKeyCash™* to spend on select future travel purchases. That's in addition to the Delta SkyMiles points you can earn with Delta Air Lines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.