Cheap Frontier Airlines flights from Austin to Denver (AUS→DEN)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 25% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Frequently asked questions

How much is a Frontier Airlines flight from Austin-Bergstrom Intl. Airport (AUS) to Denver Intl. Airport (DEN)?
Scoring cheap one-way Frontier Airlines flights from AUS to DEN on Expedia is a cinch — just filter by "Price (lowest to highest)." Or check out our budget-friendly return fares for your next exciting adventure.**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.
What is the cheapest month to fly from AUS to DEN with Frontier Airlines?
January is one of the least expensive months to fly to Denver with Frontier Airlines. You could also find great deals on one-way and round-trip fares in November.
Does Frontier Airlines fly nonstop from Austin-Bergstrom Intl. Airport (AUS) to Denver Intl. Airport (DEN)?
Book a seat on one of Frontier Airlines's 7 direct weekly flights from Austin-Bergstrom Intl. Airport (AUS) to Denver Intl. Airport (DEN). To see your options, enter your destination, origin and dates and hit search. Then apply the "Nonstop" and "Airline" filters.
How long does it take to fly from AUS to DEN with Frontier Airlines?
Leave Austin-Bergstrom Intl. Airport (AUS) for Denver Intl. Airport (DEN) on a nonstop Frontier Airlines flight, and you'll be in the sky for approximately 2h 22m.
What airports does Frontier Airlines fly into in Denver?
Take a Frontier Airlines flight from Austin-Bergstrom Intl. Airport (AUS) to Denver, and you'll likely come in to Denver Intl. Airport (DEN). This is the airline's main hub in this city.
What type of plane does Frontier Airlines fly from Austin-Bergstrom Intl. Airport (AUS) to Denver Intl. Airport (DEN)?
Frontier Airlines typically flies Airbus A321neo planes for flights from Austin-Bergstrom Intl. Airport (AUS) to Denver Intl. Airport (DEN). This airline also operates the Airbus A320neo on this route. Keep in mind that aircraft type can change depending on operational reasons, so the plane you board might be different on the day.
Can I change or cancel my Frontier Airlines flight from Austin-Bergstrom Intl. Airport (AUS) to Denver Intl. Airport (DEN)?
It's usually possible to reschedule or cancel your flight, although there may be additional charges if you booked over 24 hours ago. Prefer to keep your options open? Use our "No cancel fee" and "Changes included" filters to find flights that won't charge extra if you need to alter your plans. To update your booking, go to "Trips," select your flight and click on "Manage Booking" for more details.

Travel information

Origin airport
Austin-Bergstrom Intl.
Destination airport
Denver Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, JetBlue Airways, United
Popular airline
Alaska Airlines
Distance
1239 km
Average flight time
1 hour 21 mins
*Available to Expedia members.