Costa Rica to United States · 2,415 miles (3,887 km)

San Jose (SJO) to Denver (DEN) flights

2 airlines fly nonstop from San Jose (SJO) to Denver (DEN): Southwest Airlines and United Airlines. The two airports are 2,415 miles (3,887 km) apart. United Airlines is in Star Alliance. There are also 26 ways to fly it with one stop, through Houston, Houston and Austin and more.

Airlines flying nonstop from SJO to DEN

Book SJO to DEN with points

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

SJO to DEN with one stop

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

  • Via Houston (IAH)United Airlines the whole way
    United Airlines logo
    Frontier Airlines logo
    United Airlines logo
  • Via Houston (HOU)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Austin (AUS)Southwest Airlines the whole way
    Southwest Airlines logo
    Frontier Airlines logo
    United Airlines logo
    Southwest Airlines logo
    +1
  • 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 Guanacaste (LIR)SANSA and Edelweiss Air, then United Airlines and Southwest Airlines
    RZ
    Edelweiss Air logo
    United Airlines logo
    Southwest Airlines logo
  • Via Cancun (CUN)Volaris Costa Rica and Volaris, then Frontier Airlines, United Airlines and 1 more
    Q6
    Volaris logo
    Frontier Airlines logo
    United Airlines logo
    Southwest Airlines logo
  • Via Monterrey (MTY)VivaAerobus the whole way
    VivaAerobus logo
    Aeromexico logo
    VivaAerobus logo
  • Via Mexico City (MEX)Aeromexico the whole way
    Aeromexico logo
    AVIANCA logo
    Q6
    Aeromexico logo
    United Airlines logo
    Volaris logo
  • Via Tampa (TPA)Breeze Airways, then Frontier Airlines, United Airlines and 1 more
    Breeze Airways logo
    Frontier Airlines logo
    United Airlines logo
    Southwest Airlines logo
  • Via Guadalajara (GDL)Volaris Costa Rica, then Volaris and Aeromexico
    Q6
    Volaris logo
    Aeromexico logo
  • Via Nashville (BNA)Southwest Airlines the whole way
    Southwest Airlines logo
    Frontier Airlines logo
    United Airlines logo
    Southwest Airlines logo
  • Via Miami (MIA)American Airlines the whole way
    American Airlines logo
    AVIANCA logo
    American Airlines logo
    Frontier Airlines logo
    United Airlines logo
    +1
  • Via Atlanta (ATL)Delta Air Lines and Frontier Airlines the whole way
    Delta Air Lines logo
    Frontier Airlines logo
    Delta Air Lines logo
    Frontier Airlines logo
    United Airlines logo
    +1
  • Via Orlando (MCO)Frontier Airlines and Southwest Airlines the whole way
    Frontier Airlines logo
    Southwest Airlines logo
    Q6
    Frontier Airlines logo
    United Airlines logo
    Southwest Airlines logo
  • Via Fort Lauderdale (FLL)JetBlue Airways, then United Airlines, Southwest Airlines and 1 more
    JetBlue Airways logo
    United Airlines logo
    Southwest Airlines logo
    Frontier Airlines logo
See all 26 in Routes

SJO to DEN: common questions

Which airlines fly nonstop from SJO to DEN?

Southwest Airlines and United Airlines (Star Alliance) fly nonstop from San Jose (SJO) to Denver (DEN).

How far is San Jose from Denver by plane?

San Jose (SJO) and Denver (DEN) are 2,415 miles (3,887 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book SJO 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 SJO 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 SJO to DEN with taxes and fees.

Where can I connect between San Jose and Denver?

The most direct connections are through Houston (IAH), Houston (HOU), Austin (AUS), Dallas (DFW) and Guanacaste (LIR). On 21 of them the same airline flies both flights, for example United Airlines through Houston.

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.