$105 Cheap Frontier Airlines flights Raleigh (RDU) to Austin (AUS)

You can find budget-friendly return Frontier Airlines flights from $193 from RDU to AUS by organizing your results from “Price (lowest to highest)” on Expedia. Or look for options from $105 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.

January is one of the most affordable months to get away to Austin with Frontier Airlines. You could also find excellent prices on one-way and return fares in December.

Begin your search one to three months ahead of your departure date to get cheaper fares on Frontier Airlines flights from Raleigh - Durham Intl. Airport (RDU) to Austin-Bergstrom Intl. Airport (AUS). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing spot on, and you can enjoy significant savings on domestic trips.*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.

Click on the “Nonstop” filter when searching for direct Frontier Airlines flights from RDU to AUS. It’s also a great way to compare other airlines servicing the same direct trip.

To find the earliest departure from RDU to AUS with Frontier Airlines, sort your results by “Early Morning” and “Morning.” Booking an early flight generally means you’ll experience fewer cancellations.**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 primary Austin hub for Frontier Airlines flights from Raleigh - Durham Intl. Airport (RDU).

A rewarding loyalty program and the chance to rack up points through Frontier Miles are the start of the reasons to fly from RDU to AUS with Frontier Airlines. Plus, when you sign up to our One Key™ program, you can earn OneKeyCash™* alongside Frontier Airlines’s loyalty program earnings. It’s yours to spend on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

In most cases, you can cancel or change your flight, although additional fees may apply if your booking was made over 24 hours ago. Prefer to keep your options open? Use our “Changes included” and “No cancel fee” filters to find flights that won’t penalize you if you have to revise your plans. To update your itinerary, go to “Trips,” select your flight and click on “Manage Booking” for more details.