Cancun (CUN) to San Francisco (SFO) flights
2 airlines fly nonstop from Cancun (CUN) to San Francisco (SFO): Alaska Airlines and United Airlines. The two airports are 2,406 miles (3,872 km) apart. Alaska Airlines is in oneworld and United Airlines is in Star Alliance. There are also 52 ways to fly it with one stop, through Las Vegas, Phoenix and San Antonio and more.
Airlines flying nonstop from CUN to SFO
- Alaska Airlinesoneworld · bookable with 9 programsWho books it
- United AirlinesStar Alliance · bookable with 13 programsWho books it
Book CUN to SFO 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
- Alaska Atmos RewardsBooks Alaska Airlines
- American AAdvantageBooks Alaska Airlines
- ANA Mileage ClubBooks United Airlines
- Avianca LifeMilesBooks United Airlines
- British Airways ClubBooks Alaska Airlines
- Cathay Pacific Asia MilesBooks Alaska Airlines
- Emirates SkywardsBooks United Airlines
- EVA Air Infinity MileageLandsBooks United Airlines
- Finnair PlusBooks Alaska Airlines
- Iberia ClubBooks Alaska Airlines
- JAL Mileage BankBooks Alaska Airlines
- JetBlue TrueBlueBooks United Airlines
- Lufthansa Miles & MoreBooks United Airlines
- Qantas Frequent FlyerBooks Alaska Airlines
- Qatar Airways Privilege ClubBooks Alaska 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
CUN to SFO with one stop
52 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Las Vegas (LAS)Southwest Airlines the whole way
+1 - Via Phoenix (PHX)American Airlines and Southwest Airlines the whole way
+1 - Via San Antonio (SAT)Southwest Airlines, then United Airlines
- Via Austin (AUS)Southwest Airlines and Delta Air Lines the whole way
- Via Monterrey (MTY)VivaAerobus and Volaris, then United Airlines
- Via Houston (IAH)United Airlines the whole way
- Via Los Angeles (LAX)Delta Air Lines, United Airlines and 1 more the whole way+3
- Via Dallas (DFW)American Airlines and Frontier Airlines the whole way
- Via New Orleans (MSY)Southwest Airlines and Breeze Airways, then United Airlines
- Via Salt Lake City (SLC)Delta Air Lines the whole way
- Via Denver (DEN)Frontier Airlines, United Airlines and 1 more the whole way
- Via Mexico City (MEX)Aeromexico the whole way
- Via Guadalajara (GDL)VivaAerobus and Volaris, then Aeromexico
- Via San Jose Cabo (SJD)Volaris, then Alaska Airlines and United Airlines
- Via Belize City (BZE)Tropic Air, then United Airlines9N
CUN to SFO: common questions
Which airlines fly nonstop from CUN to SFO?
Alaska Airlines (oneworld) and United Airlines (Star Alliance) fly nonstop from Cancun (CUN) to San Francisco (SFO).
How far is Cancun from San Francisco by plane?
Cancun (CUN) and San Francisco (SFO) are 2,406 miles (3,872 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 SFO award flights?
22 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, Alaska Atmos Rewards, American AAdvantage, ANA Mileage Club, Avianca LifeMiles, British Airways Club, Cathay Pacific Asia Miles and 14 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does CUN to SFO 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 SFO with taxes and fees.
Where can I connect between Cancun and San Francisco?
The most direct connections are through Las Vegas (LAS), Phoenix (PHX), San Antonio (SAT), Austin (AUS) and Monterrey (MTY). On 38 of them the same airline flies both flights, for example Southwest Airlines through Las Vegas.
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.