Denver (DEN) to San Juan (SJU) flights
One airline flies nonstop from Denver (DEN) to San Juan (SJU): United Airlines. The two airports are 2,731 miles (4,395 km) apart. United Airlines is in Star Alliance. There are also 38 ways to fly it with one stop, through Jacksonville, Orlando and Tampa and more.
Airlines flying nonstop from DEN to SJU
- United AirlinesStar Alliance · bookable with 13 programsWho books it
Book DEN to SJU 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 SJU with one stop
38 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Jacksonville (JAX)United Airlines and Southwest Airlines, then Frontier Airlines and JetBlue Airways
- Via Orlando (MCO)Frontier Airlines and Southwest Airlines the whole way
- Via Tampa (TPA)Frontier Airlines and Southwest Airlines the whole way
- Via Atlanta (ATL)Delta Air Lines and Frontier Airlines the whole way
+1 - Via Fort Lauderdale (FLL)Southwest Airlines and Frontier Airlines the whole way
- Via Miami (MIA)American Airlines and Frontier Airlines the whole way
+1 - Via Punta Cana (PUJ)United Airlines, then JetBlue Airways, Frontier Airlines and 1 more
- Via Nashville (BNA)Southwest Airlines the whole way
- Via Saint Louis (STL)Southwest Airlines the whole way
- Via Dallas (DFW)American Airlines and Frontier Airlines the whole way
- Via Charlotte (CLT)American Airlines and Frontier Airlines the whole way+1
- Via Houston (IAH)Frontier Airlines and United Airlines the whole way
- Via Raleigh/Durham (RDU)Frontier Airlines the whole way
- Via Indianapolis (IND)Southwest Airlines the whole way
- Via Houston (HOU)Southwest Airlines the whole way
DEN to SJU: common questions
Which airlines fly nonstop from DEN to SJU?
United Airlines (Star Alliance) flies nonstop from Denver (DEN) to San Juan (SJU).
How far is Denver from San Juan by plane?
Denver (DEN) and San Juan (SJU) are 2,731 miles (4,395 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 SJU 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 SJU 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 SJU with taxes and fees.
Where can I connect between Denver and San Juan?
The most direct connections are through Jacksonville (JAX), Orlando (MCO), Tampa (TPA), Atlanta (ATL) and Fort Lauderdale (FLL). On 29 of them the same airline flies both flights, for example Frontier Airlines through Orlando.
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.