Direct (nonstop) flights from Austin to Denver
4 airlines fly nonstop from Austin-Bergstrom International Airport (AUS) to Denver International (DEN). It's 774 miles (1,245 km), about 2h 22m in the air. Operated by Delta Air Lines, Frontier Airlines, United Airlines and others.
Delta Air Lines
Frontier Airlines
United Airlines
Southwest Airlines
Route data last updated: May 25, 2026
Airlines with non-stop flights
DL
Delta Air Lines
F9
Frontier Airlines
UA
United Airlines
WN
Southwest Airlines
Alternative Routes
Other ways to fly from Austin to Denver with one stop · direct emits 143 kg CO₂ per passenger
Looking for the return flight?
DEN → AUS: Flights from Denver to AustinOther direct flights from Austin
Direct flights from Denver (DEN)
Frequently Asked Questions
How long is the direct flight from Austin to Denver?
A nonstop flight from Austin (AUS) to Denver (DEN) takes approximately 2 hours and 22 minutes. The distance is 774 miles (1,245 km).
Which airlines fly nonstop from Austin to Denver?
4 airlines: Delta Air Lines, Frontier Airlines, United Airlines, Southwest Airlines.
Is there a nonstop flight from Austin to Denver?
Yes. 4 airlines: Delta Air Lines, Frontier Airlines, United Airlines, Southwest Airlines.
How far is Austin from Denver?
The flight distance from Austin to Denver is 774 miles (1,245 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as London to Madrid.
What type of aircraft flies from Austin to Denver?
At 2h 22m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.
What is the carbon footprint of a flight from Austin to Denver?
Roughly 143 kg CO2 per passenger one-way. That's about the same as driving 715 km.
Is the return flight from Denver to Austin also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Austin to Denver?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Austin-Bergstrom International Airport for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.