Cheap Alaska Airlines flights Seattle (SEA) to Austin (AUS)

Scoring cheap one-way Alaska Airlines flights from SEA to AUS on Expedia is simple — just filter by “Price (lowest to highest).” Alternatively, check out our budget-friendly round-trip fares for your next exciting vacation.**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.

Browse for round-trip or one-way flights to Austin in January or December. You could find cheaper fares with Alaska Airlines during these off-peak travel months.

For cheap Alaska Airlines 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 affect the overall price. Sunday is generally 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.

You can easily fly from Seattle - Tacoma Intl. Airport (SEA) to Austin-Bergstrom Intl. Airport (AUS) on one of Alaska Airlines’s 18 direct weekly flights. Apply Expedia’s “Nonstop” and “Airline” filters to find the Alaska Airlines flight that’ll get you to AUS at your preferred time.

On average, it takes 4h 11m to fly nonstop from Seattle - Tacoma Intl. Airport (SEA) to Austin-Bergstrom Intl. Airport (AUS) with Alaska Airlines.

Sunday has the most Alaska Airlines flights from Seattle - Tacoma Intl. Airport (SEA) to Austin-Bergstrom Intl. Airport (AUS). With 3 daily departures, this is the best day of the week to find something that will fit your plans.

Leaving SEA at 8:35AM UTC-8, the first Alaska Airlines flight to AUS arrives at 2:50PM UTC-6. Traveling earlier in the day means you’re less likely to experience cancellations.* After something later? The last Alaska Airlines flight from SEA to AUS departs at 5:52PM UTC-8 and touches down at 11:59PM UTC-6.*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.

Alaska Airlines flights from Seattle - Tacoma Intl. Airport (SEA) to Austin land at Austin-Bergstrom Intl. Airport (AUS). This is the main gateway to this destination.

Offering a rewarding loyalty program and an excellent in-flight experience, Alaska Airlines is a top choice for many travelers flying from SEA to AUS. Also, if you’re a Mileage Plan and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can go toward future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

You’ll likely be onboard a Boeing 737-800 or a Boeing 737-900 when flying Alaska Airlines from Seattle - Tacoma Intl. Airport (SEA) to Austin-Bergstrom Intl. Airport (AUS). However, keep in mind that a different aircraft could be assigned to your route depending on operational reasons.

In most cases, you can cancel or modify your flight, although there may be additional charges if you booked more than 24 hours ago. Prefer to keep your options open? Make use of Expedia’s “No cancel fee” and “Changes included” filters to find flights that won’t charge you extra if you need to alter your plans. To modify your booking, visit “Trips,” select your flight and click on “Manage Booking” for further information.