$107 Cheap Spirit Airlines flights Portland (PDX) to Austin (AUS)

You can discover cheap return Spirit Airlines flights from $210 from PDX to AUS by organizing your results from “Price (lowest to highest)” on Expedia. Or look for options from $107 for a one-way trip.**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.

Spirit Airlines flights to Austin are generally more affordable in the low-season months of January and December. Whether you need a return or one-way ticket, you could land a better deal then.

Look for affordable Spirit Airlines flights from Portland Intl. Airport (PDX) to Austin-Bergstrom Intl. Airport (AUS) one to three months before your departure day. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare class and journey, the ideal day to book a domestic flight is usually Sunday and the most expensive day tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**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.

Fill in your dates, hit search and select the “Nonstop” filter on Expedia to find any direct flights from PDX to AUS with Spirit Airlines or other airlines.

To find the earliest departure from PDX to AUS with Spirit Airlines, filter your results by “Morning” and “Early Morning.” Choosing an early flight generally means cancellations are less likely.**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.

Austin-Bergstrom Intl. Airport (AUS) is the main Austin hub for Spirit Airlines flights from Portland Intl. Airport (PDX).

Journey from PDX to AUS with Spirit Airlines and look forward to a range of benefits starting with a rewarding loyalty program. When you book through Expedia as a Free Spirit and One Key™ member, you can also earn OneKeyCash™* to redeem on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are typically free within 24 hours of making a booking, but your airline may add a charge after that time. For further details about modifying your flights, check out your “Trips,” select your flight and click on “Manage Booking.” If you’d like the flexibility to change your plans without extra charges, tick the “No cancel fee” or “Changes included” filter when planning your next escape.