United States Β· 775 miles (1,247 km)

Austin (AUS) to Denver (DEN) flights

4 airlines fly nonstop from Austin (AUS) to Denver (DEN): Delta Air Lines, Frontier Airlines, Southwest Airlines and United Airlines. The two airports are 775 miles (1,247 km) apart. Delta Air Lines is in SkyTeam and United Airlines is in Star Alliance. There are also 25 ways to fly it with one stop, through Amarillo, Lubbock and Dallas and more.

Airlines flying nonstop from AUS to DEN

Book AUS to DEN with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

AUS to DEN with one stop

25 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.

  • Via Amarillo (AMA)Southwest Airlines, then United Airlines
    Southwest Airlines logo
    United Airlines logo
  • Via Lubbock (LBB)Southwest Airlines the whole way
    Southwest Airlines logo
    United Airlines logo
    Southwest Airlines logo
    American Airlines logo
  • Via Dallas (DFW)American Airlines the whole way
    American Airlines logo
    American Airlines logo
    Frontier Airlines logo
    United Airlines logo
  • Via Dallas (DAL)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Oklahoma City (OKC)Southwest Airlines the whole way
    Southwest Airlines logo
    Frontier Airlines logo
    United Airlines logo
    Southwest Airlines logo
  • Via Midland (MAF)Southwest Airlines the whole way
    Southwest Airlines logo
    United Airlines logo
    Southwest Airlines logo
  • Via Aspen (ASE)American Airlines, then United Airlines
    American Airlines logo
    United Airlines logo
  • Via Albuquerque (ABQ)Southwest Airlines the whole way
    Southwest Airlines logo
    Delta Air Lines logo
    United Airlines logo
    Southwest Airlines logo
  • Via Tulsa (TUL)Southwest Airlines the whole way
    Southwest Airlines logo
    United Airlines logo
    Southwest Airlines logo
  • Via Houston (IAH)United Airlines the whole way
    United Airlines logo
    Frontier Airlines logo
    United Airlines logo
  • Via Montrose (MTJ)Southwest Airlines the whole way
    Southwest Airlines logo
    United Airlines logo
    Southwest Airlines logo
  • Via Houston (HOU)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Hayden (HDN)Southwest Airlines the whole way
    Southwest Airlines logo
    United Airlines logo
    Southwest Airlines logo
  • Via Bentonville (XNA)American Airlines, then United Airlines and Frontier Airlines
    American Airlines logo
    United Airlines logo
    Frontier Airlines logo
  • Via El Paso (ELP)Southwest Airlines the whole way
    Southwest Airlines logo
    Frontier Airlines logo
    United Airlines logo
    Southwest Airlines logo
See all 25 in Routes

AUS to DEN: common questions

Which airlines fly nonstop from AUS to DEN?

Delta Air Lines (SkyTeam), Frontier Airlines, Southwest Airlines and United Airlines (Star Alliance) fly nonstop from Austin (AUS) to Denver (DEN).

How far is Austin from Denver by plane?

Austin (AUS) and Denver (DEN) are 775 miles (1,247 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book AUS to DEN award flights?

21 programs can book at least one of the nonstop airlines: Aeromexico Rewards, Air Canada Aeroplan, Air France-KLM Flying Blue, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, China Eastern Eastern Miles, Delta SkyMiles and 13 more. Which flights each can book depends on its partners, so check the airline before you transfer points.

How many miles does AUS to DEN cost?

It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for AUS to DEN with taxes and fees.

Where can I connect between Austin and Denver?

The most direct connections are through Amarillo (AMA), Lubbock (LBB), Dallas (DFW), Dallas (DAL) and Oklahoma City (OKC). On 20 of them the same airline flies both flights, for example Southwest Airlines through Lubbock.

More routes

Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.