CUN to SFO: Distance and Flight Time
The distance from Cancún International Airport (CUN) to San Francisco International Airport (SFO) is 3,871 km (2,405 mi). A typical nonstop flight covers it in about 5h 20m, heading northwest. The distance is the same in either direction (SFO to CUN).
How far is it from Cancún to San Francisco?
The great-circle distance between Cancún International Airport (CUN) and San Francisco International Airport (SFO) is 3,871 km (2,405 mi, 2,090 nautical miles). That is the straight-line distance; a real flight is a little longer because of air-traffic routing.
How long is the flight from CUN to SFO?
A nonstop flight typically takes about 5h 20m. This is an estimate from the distance; actual block times depend on the aircraft, winds and the exact routing. SFO is roughly northwest of CUN.
How is the CUN to SFO route written in code?
The pair is written CUN-SFO in IATA codes and MMUN-KSFO in ICAO codes, the form used on a flight plan. Cancún International Airport is CUN (MMUN), San Francisco International Airport is SFO (KSFO).
| CUN | SFO | |
|---|---|---|
| Airport | Cancún International Airport | San Francisco International Airport |
| ICAO code | MMUN | KSFO |
| Country | Mexico | United States |
| Elevation | 22 ft | 13 ft |
| Rank by connections | #98 | #46 |
MMUN starts with M, the ICAO prefix for Central America and the Caribbean; KSFO starts with K, the prefix for the contiguous United States. How ICAO prefixes are laid out.
The two fields sit at almost the same height, within 9 ft (3 m) of each other.
Airlines flying CUN to SFO
2 airlines appear on this route in the open route dataset, 2 of them still listed as active. Each row gives the IATA code, the ICAO code and the radio callsign, which is what an air traffic controller hears:
| IATA | Airline | ICAO | Callsign | Status |
|---|---|---|---|---|
| UA | United Airlines | UAL | United | Active |
| VX | Virgin America | VRD | Redwood | Active |
Route and carrier data comes from the OpenFlights open dataset, regenerated here on . It is a historical snapshot of scheduled connections, not a live schedule, and it includes codeshare listings, so some carriers shown may no longer operate the route or exist. How we build this · Data and sources.
Frequently asked questions
How far is Cancún from San Francisco?
Cancún International Airport (CUN) and San Francisco International Airport (SFO) are 3,871 km (2,405 mi, 2,090 nautical miles) apart in a straight line.
How long is the flight from CUN to SFO?
A typical nonstop flight between CUN and SFO takes about 5h 20m. Actual times vary with aircraft type, winds and routing.
What direction is SFO from CUN?
San Francisco International Airport (SFO) lies roughly northwest of Cancún International Airport (CUN).
Which airlines fly CUN to SFO?
2 airlines appear on the CUN-SFO route in the open dataset, including United Airlines, Virgin America.
Related routes
Other routes from Cancún (CUN):
Other routes from San Francisco (SFO):
CUN airport code · SFO airport code · Busiest airports worldwide