The flight distance from Cancun International Airport (CUN) in Cancun, Mexico to San Francisco International Airport (SFO) in San Francisco, United States is 3,871 kilometers (2,405 miles / 2,090 nautical miles). The estimated flight time for this route is approximately 6h, flying northwest at a heading of 306°.

This is a medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.

This is an international route connecting Mexico with United States. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 02:02 in Cancun, it's 23:02 in San Francisco. The 3-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from San Francisco (SFO) to Cancun (CUN) follows a heading of 108° (east southeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Cancun International Airport (CUN) and San Francisco International Airport (SFO) detail pages, or use our flight duration calculator to compare other routes.