Mexico to United States · 1,670 miles (2,688 km)

Cancun (CUN) to Denver (DEN) flights

3 airlines fly nonstop from Cancun (CUN) to Denver (DEN): Frontier Airlines, Southwest Airlines and United Airlines. The two airports are 1,670 miles (2,688 km) apart. United Airlines is in Star Alliance. There are also 51 ways to fly it with one stop, through Dallas, Houston and Houston and more.

Airlines flying nonstop from CUN to DEN

Book CUN to DEN with points

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

CUN to DEN with one stop

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

  • Via Dallas (DFW)American Airlines and Frontier Airlines the whole way
    American Airlines logo
    Frontier Airlines logo
    American Airlines logo
    Frontier Airlines logo
    United Airlines logo
  • Via Houston (IAH)United Airlines and Frontier Airlines the whole way
    United Airlines logo
    Frontier Airlines logo
    Frontier Airlines logo
    United Airlines logo
  • Via Houston (HOU)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Oklahoma City (OKC)American Airlines, then Frontier Airlines, United Airlines and 1 more
    American Airlines logo
    Frontier Airlines logo
    United Airlines logo
    Southwest Airlines logo
  • Via Austin (AUS)Southwest Airlines and Delta Air Lines the whole way
    Southwest Airlines logo
    American Airlines logo
    Delta Air Lines logo
    Frontier Airlines logo
    United Airlines logo
    Southwest Airlines logo
    +1
  • Via New Orleans (MSY)Southwest Airlines the whole way
    Southwest Airlines logo
    Breeze Airways logo
    Frontier Airlines logo
    United Airlines logo
    Southwest Airlines logo
  • Via San Antonio (SAT)Southwest Airlines the whole way
    Southwest Airlines logo
    Frontier Airlines logo
    United Airlines logo
    Southwest Airlines logo
  • Via Kansas City (MCI)American Airlines and Southwest Airlines the whole way
    American Airlines logo
    Delta Air Lines logo
    Southwest Airlines logo
    Frontier Airlines logo
    United Airlines logo
    Southwest Airlines logo
    +1
  • Via Monterrey (MTY)VivaAerobus the whole way
    VivaAerobus logo
    Volaris logo
    Aeromexico logo
    VivaAerobus logo
  • Via Saint Louis (STL)Frontier Airlines and Southwest Airlines the whole way
    Frontier Airlines logo
    Southwest Airlines logo
    American Airlines logo
    Frontier Airlines logo
    United Airlines logo
    Southwest Airlines logo
  • Via Nashville (BNA)Southwest Airlines the whole way
    American Airlines logo
    Delta Air Lines logo
    Southwest Airlines logo
    Frontier Airlines logo
    United Airlines logo
    Southwest Airlines logo
  • Via Tampa (TPA)JetBlue Airways and Breeze Airways, then Frontier Airlines, United Airlines and 1 more
    JetBlue Airways logo
    Breeze Airways logo
    Frontier Airlines logo
    United Airlines logo
    Southwest Airlines logo
  • Via Atlanta (ATL)Delta Air Lines, Southwest Airlines and 1 more the whole way
    Delta Air Lines logo
    Southwest Airlines logo
    Frontier Airlines logo
    Delta Air Lines logo
    Frontier Airlines logo
    United Airlines logo
    +1
  • Via Chihuahua (CUU)VivaAerobus, then Volaris
    VivaAerobus logo
    Volaris logo
  • Via Belize City (BZE)Tropic Air, then Southwest Airlines and United Airlines
    9N
    Southwest Airlines logo
    United Airlines logo
See all 51 in Routes

CUN to DEN: common questions

Which airlines fly nonstop from CUN to DEN?

Frontier Airlines, Southwest Airlines and United Airlines (Star Alliance) fly nonstop from Cancun (CUN) to Denver (DEN).

How far is Cancun from Denver by plane?

Cancun (CUN) and Denver (DEN) are 1,670 miles (2,688 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book CUN to DEN award flights?

13 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, Emirates Skywards, EVA Air Infinity MileageLands, JetBlue TrueBlue, Lufthansa Miles & More and 5 more. Which flights each can book depends on its partners, so check the airline before you transfer points.

How many miles does CUN 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 CUN to DEN with taxes and fees.

Where can I connect between Cancun and Denver?

The most direct connections are through Dallas (DFW), Houston (IAH), Houston (HOU), Oklahoma City (OKC) and Austin (AUS). On 37 of them the same airline flies both flights, for example American Airlines through Dallas.

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.