$83 Cheap United flights Austin (AUS) to Denver (DEN)

Landing cheap one-way United Airlines flights from AUS to DEN from $83 on Expedia is a breeze — just filter by “Price (lowest to highest).” Or check out our budget-friendly round-trip fares from $165 for your next getaway.**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 fly to Denver with United Airlines. You could also find great prices on one-way and round-trip fares in November.

Search for cheap United Airlines flights from Austin-Bergstrom Intl. Airport (AUS) to Denver Intl. Airport (DEN) one to three months before your departure. 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. Regardless of fare class and itinerary, the best day of the week to book a domestic flight is usually Sunday and the most expensive tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book 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.

United Airlines operates direct flights from Austin-Bergstrom Intl. Airport (AUS) to Denver Intl. Airport (DEN), with 32 weekly departures. Simply choose the “Nonstop” and “Airline” filters during your search on Expedia to find all direct United Airlines flights to DEN.

It takes approximately 2h 21m to fly nonstop from Austin-Bergstrom Intl. Airport (AUS) to Denver Intl. Airport (DEN) with United Airlines.

United Airlines operates the most flights from Austin-Bergstrom Intl. Airport (AUS) to Denver Intl. Airport (DEN) on Saturday. With up to 5 daily departures, you’ll get the most flexibility and choice on this day.

The earliest flight from AUS to DEN with United Airlines departs at 7:00AM UTC-6. You’ll land at 8:21AM UTC-7. The final United Airlines flight of the day takes off at 4:45PM UTC-6 and arrives at 6:07PM UTC-7. With approximately 20% fewer cancellations for morning and mid-morning flights, heading out early is generally the best way to go.**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.

United Airlines flights from Austin-Bergstrom Intl. Airport (AUS) to Denver touch down at Denver Intl. Airport (DEN). This is the main entry point here.

A rewarding loyalty program and the opportunity to collect points through United Mileage Plus are the start of the reasons to leave from AUS to DEN with United Airlines. Plus, when you sign up to our One Key™ program, you can earn OneKeyCash™* alongside United Airlines’s loyalty program earnings. It’s yours to use wherever your next trip takes you.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

You’ll likely board an Airbus A320 or a Boeing 737 MAX 8 when flying United Airlines from Austin-Bergstrom Intl. Airport (AUS) to Denver Intl. Airport (DEN). However, keep in mind that a different plane may be assigned depending on operational factors.

Changes are often free within 24 hours of booking, but your airline may add a charge after that time. For more information about altering your flights, go to your “Trips,” select your flight and click on “Manage Booking.” If you’d like the flexibility to adjust your plans without extra charges, apply the “No cancel fee” or “Changes included” filter when planning your next break.