The flight distance from Bandaranaike International Apt Colombo Airport (CMB) in Colombo, Sri Lanka to Buyant-Ukhaa International Airport (ULN) in Ulan Bator, Mongolia is 5,186 kilometers (3,222 miles / 2,800 nautical miles). The estimated flight time for this route is approximately 7h, flying north northeast at a heading of 25°.

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

This is an international route connecting Sri Lanka with Mongolia. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 04:45 in Colombo, it's 07:15 in Ulan Bator.

There is a significant elevation difference of 4,334 feet between the two airports. Buyant-Ukhaa International Airport sits higher than Bandaranaike International Apt Colombo Airport.

The return flight from Ulan Bator (ULN) to Colombo (CMB) follows a heading of 218° (southwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Bandaranaike International Apt Colombo Airport (CMB) and Buyant-Ukhaa International Airport (ULN) detail pages, or use our flight duration calculator to compare other routes.