The flight distance from Bandaranaike International Apt Colombo Airport (CMB) in Colombo, Sri Lanka to Chiang Mai International Airport (CNX) in Chiang Mai, Thailand is 2,432 kilometers (1,511 miles / 1,313 nautical miles). The estimated flight time for this route is approximately 4h, flying northeast at a heading of 56°.

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 Sri Lanka with Thailand. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 04:40 in Colombo, it's 06:10 in Chiang Mai.

There is a significant elevation difference of 1,006 feet between the two airports. Chiang Mai International Airport sits higher than Bandaranaike International Apt Colombo Airport.

The return flight from Chiang Mai (CNX) to Colombo (CMB) follows a heading of 241° (west 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 Chiang Mai International Airport (CNX) detail pages, or use our flight duration calculator to compare other routes.