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
- Delta Air LinesSkyTeam Β· bookable with 8 programsWho books it

- Frontier AirlinesNot in an allianceWho books it

- Southwest AirlinesNot in an allianceWho books it

- United AirlinesStar Alliance Β· bookable with 13 programsWho books it

Book AUS to DEN with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Aeromexico RewardsBooks Delta Air Lines
- Air Canada AeroplanBooks United Airlines
- Air France-KLM Flying BlueBooks Delta Air Lines
- Air New Zealand AirpointsBooks United Airlines
- ANA Mileage ClubBooks United Airlines
- Avianca LifeMilesBooks United Airlines
- China Eastern Eastern MilesBooks Delta Air Lines
- Delta SkyMilesBooks Delta Air Lines
- Emirates SkywardsBooks United Airlines
- EVA Air Infinity MileageLandsBooks United Airlines
- Garuda Indonesia GarudaMilesBooks Delta Air Lines
- JetBlue TrueBlueBooks United Airlines
- Korean Air SKYPASSBooks Delta Air Lines
- Lufthansa Miles & MoreBooks United Airlines
- SAS EuroBonusBooks Delta Air Lines
- Singapore Airlines KrisFlyerBooks United Airlines
- TAP Miles&GoBooks United Airlines
- Thai Royal Orchid PlusBooks United Airlines
- Turkish Airlines Miles&SmilesBooks United Airlines
- United MileagePlusBooks United Airlines
- Virgin Atlantic Flying ClubBooks Delta Air Lines
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


- Via Lubbock (LBB)Southwest Airlines the whole way




- Via Dallas (DFW)American Airlines the whole way




- Via Dallas (DAL)Southwest Airlines the whole way


- Via Oklahoma City (OKC)Southwest Airlines the whole way




- Via Midland (MAF)Southwest Airlines the whole way



- Via Aspen (ASE)American Airlines, then United Airlines


- Via Albuquerque (ABQ)Southwest Airlines the whole way




- Via Tulsa (TUL)Southwest Airlines the whole way



- Via Houston (IAH)United Airlines the whole way



- Via Montrose (MTJ)Southwest Airlines the whole way



- Via Houston (HOU)Southwest Airlines the whole way


- Via Hayden (HDN)Southwest Airlines the whole way



- Via Bentonville (XNA)American Airlines, then United Airlines and Frontier Airlines



- Via El Paso (ELP)Southwest Airlines the whole way




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.