United States to Mexico · 2,406 miles (3,872 km)

San Francisco (SFO) to Cancun (CUN) flights

2 airlines fly nonstop from San Francisco (SFO) to Cancun (CUN): 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 SFO to CUN

  • Alaska Airlines logo
    Alaska Airlinesoneworld · bookable with 9 programsWho books it
  • United Airlines logo
    United AirlinesStar Alliance · bookable with 13 programsWho books it

Book SFO to CUN with points

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

SFO to CUN 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
    Alaska Airlines logo
    Frontier Airlines logo
    United Airlines logo
    +1
    Southwest Airlines logo
  • Via Phoenix (PHX)American Airlines and Southwest Airlines the whole way
    American Airlines logo
    United Airlines logo
    Southwest Airlines logo
    +1
    American Airlines logo
    Southwest Airlines logo
  • Via San Antonio (SAT)United Airlines, then Southwest Airlines
    United Airlines logo
    Southwest Airlines logo
  • Via Austin (AUS)Southwest Airlines and Delta Air Lines the whole way
    United Airlines logo
    Southwest Airlines logo
    Delta Air Lines logo
    Southwest Airlines logo
    American Airlines logo
    Delta Air Lines logo
  • Via Monterrey (MTY)United Airlines, then VivaAerobus and Volaris
    United Airlines logo
    VivaAerobus logo
    Volaris logo
  • Via Houston (IAH)United Airlines the whole way
    United Airlines logo
    United Airlines logo
    Frontier Airlines logo
  • Via Los Angeles (LAX)American Airlines, Delta Air Lines and 1 more the whole way
    American Airlines logo
    Alaska Airlines logo
    Delta Air Lines logo
    +3
    Delta Air Lines logo
    United Airlines logo
    American Airlines logo
  • Via Dallas (DFW)American Airlines and Frontier Airlines the whole way
    American Airlines logo
    United Airlines logo
    Frontier Airlines logo
    American Airlines logo
    Frontier Airlines logo
  • Via New Orleans (MSY)United Airlines, then Southwest Airlines and Breeze Airways
    United Airlines logo
    Southwest Airlines logo
    Breeze Airways logo
  • Via Salt Lake City (SLC)Delta Air Lines the whole way
    Delta Air Lines logo
    United Airlines logo
    Frontier Airlines logo
    Delta Air Lines logo
  • Via Denver (DEN)Frontier Airlines, United Airlines and 1 more the whole way
    Frontier Airlines logo
    United Airlines logo
    Southwest Airlines logo
    Frontier Airlines logo
    United Airlines logo
    Southwest Airlines logo
  • Via Mexico City (MEX)Aeromexico the whole way
    Aeromexico logo
    United Airlines logo
    Aeromexico logo
    VivaAerobus logo
    Volaris logo
    +1
  • Via Guadalajara (GDL)Aeromexico, then VivaAerobus and Volaris
    Aeromexico logo
    VivaAerobus logo
    Volaris logo
  • Via San Jose Cabo (SJD)Alaska Airlines and United Airlines, then Volaris
    Alaska Airlines logo
    United Airlines logo
    Volaris logo
  • Via Belize City (BZE)United Airlines, then Tropic Air
    United Airlines logo
    9N
See all 52 in Routes

SFO to CUN: common questions

Which airlines fly nonstop from SFO to CUN?

Alaska Airlines (oneworld) and United Airlines (Star Alliance) fly nonstop from San Francisco (SFO) to Cancun (CUN).

How far is San Francisco from Cancun by plane?

San Francisco (SFO) and Cancun (CUN) 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 SFO to CUN 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 SFO to CUN 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 CUN with taxes and fees.

Where can I connect between San Francisco and Cancun?

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.