The flight distance from St Louis Regional Airport (ALN) in Alton/St Louis, United States to Cancun International Airport (CUN) in Cancun, Mexico is 2,008 kilometers (1,248 miles / 1,084 nautical miles). The estimated flight time for this route is approximately 3h, flying south at a heading of 170°.

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 United States with Mexico. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 06:48 in Alton/St Louis, it's 07:48 in Cancun.

The return flight from Cancun (CUN) to Alton/St Louis (ALN) follows a heading of 352° (north). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

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