San Francisco (SFO) to Denver (DEN) flights
3 airlines fly nonstop from San Francisco (SFO) to Denver (DEN): Frontier Airlines, Southwest Airlines and United Airlines. The two airports are 966 miles (1,554 km) apart. United Airlines is in Star Alliance. There are also 43 ways to fly it with one stop, through Vail, Aspen and Hayden and more.
Airlines flying nonstop from SFO to DEN
- Frontier AirlinesNot in an allianceWho books it
- Southwest AirlinesNot in an allianceWho books it
- United AirlinesStar Alliance · bookable with 13 programsWho books it
Book SFO to DEN 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
SFO to DEN with one stop
43 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Vail (EGE)United Airlines the whole way
- Via Aspen (ASE)United Airlines the whole way
- Via Hayden (HDN)United Airlines the whole way
- Via Bishop (BIH)United Airlines the whole way
- Via Montrose (MTJ)United Airlines the whole way
- Via Salt Lake City (SLC)Delta Air Lines, United Airlines and 1 more the whole way
+1 - Via Sacramento (SMF)United Airlines the whole way
- Via Reno (RNO)United Airlines the whole way
- Via Fresno (FAT)United Airlines the whole way
- Via Monterey (MRY)United Airlines the whole way
- Via Las Vegas (LAS)Frontier Airlines, United Airlines and 1 more the whole way
+1 - Via Bakersfield (BFL)United Airlines the whole way
- Via San Luis Obispo (SBP)United Airlines the whole way
- Via Redding (RDD)United Airlines the whole way
- Via Jackson (JAC)United Airlines the whole way
SFO to DEN: common questions
Which airlines fly nonstop from SFO to DEN?
Frontier Airlines, Southwest Airlines and United Airlines (Star Alliance) fly nonstop from San Francisco (SFO) to Denver (DEN).
How far is San Francisco from Denver by plane?
San Francisco (SFO) and Denver (DEN) are 966 miles (1,554 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book SFO 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 SFO 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 SFO to DEN with taxes and fees.
Where can I connect between San Francisco and Denver?
The most direct connections are through Vail (EGE), Aspen (ASE), Hayden (HDN), Bishop (BIH) and Montrose (MTJ). On 43 of them the same airline flies both flights, for example United Airlines through Vail.
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.