Denver (DEN) to San Jose (SJO) flights
2 airlines fly nonstop from Denver (DEN) to San Jose (SJO): 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 DEN to SJO
- Southwest AirlinesNot in an allianceWho books it
- United AirlinesStar Alliance · bookable with 13 programsWho books it
Book DEN to SJO with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Air Canada AeroplanBooks United Airlines
- Air New Zealand AirpointsBooks United Airlines
- ANA Mileage ClubBooks United Airlines
- Avianca LifeMilesBooks United Airlines
- Emirates SkywardsBooks United Airlines
- EVA Air Infinity MileageLandsBooks United Airlines
- JetBlue TrueBlueBooks United Airlines
- Lufthansa Miles & MoreBooks United Airlines
- 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
DEN to SJO 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
- Via Houston (HOU)Southwest Airlines the whole way
- Via Austin (AUS)Southwest Airlines the whole way+1
- Via Dallas (DFW)American Airlines and Frontier Airlines the whole way
- Via Guanacaste (LIR)United Airlines and Southwest Airlines, then SANSARZ
- Via Cancun (CUN)Frontier Airlines, United Airlines and 1 more, then Volaris Costa Rica and VolarisQ6
- Via Monterrey (MTY)VivaAerobus the whole way
- Via Mexico City (MEX)Aeromexico the whole way
Q6 - Via Tampa (TPA)Frontier Airlines, United Airlines and 1 more, then Breeze Airways
- Via Guadalajara (GDL)Volaris and Aeromexico, then Volaris Costa RicaQ6
- Via Nashville (BNA)Southwest Airlines the whole way
- Via Atlanta (ATL)Delta Air Lines and Frontier Airlines the whole way
+1 - Via Miami (MIA)American Airlines the whole way+1
- Via Orlando (MCO)Frontier Airlines and Southwest Airlines the whole wayQ6
- Via Fort Lauderdale (FLL)United Airlines, Southwest Airlines and 1 more, then JetBlue Airways
DEN to SJO: common questions
Which airlines fly nonstop from DEN to SJO?
Southwest Airlines and United Airlines (Star Alliance) fly nonstop from Denver (DEN) to San Jose (SJO).
How far is Denver from San Jose by plane?
Denver (DEN) and San Jose (SJO) 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 DEN to SJO 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 DEN to SJO cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for DEN to SJO with taxes and fees.
Where can I connect between Denver and San Jose?
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.