Cancún (CUN) to San Francisco (SFO) flights
Nonstop from Cancún International to San Francisco International: distance, flying time, which airlines fly it and how often.
Distance
3,871km
2,405 mi, great circle
Flying time
5h 17m
typical, gate to gate
Flights a day
2.4
average, November 2026
Airlines
1
passenger airlines
Airlines flying CUN to SFO
Route map
The shortest path over the Earth's surface. Actual tracks vary with winds and airspace. Map © OpenStreetMap contributors.
Cheapest recent fare
Fares found in recent searches load here. You can also compare CUN to SFO fares by month.
Both directions
Frequently asked questions
How long is the flight from Cancún to San Francisco?
About 5h 17m gate to gate for the 3,871 km (2,405 mile) trip, estimated from distance. Schedules vary by airline and season, and winds can add or save time.
Which airlines fly nonstop from CUN to SFO?
United Airlines, with about 2.4 flights a day between them in our data (AeroDataBox, November 2026).