The flight distance from Bandaranaike International Apt Colombo Airport (CMB) in Colombo, Sri Lanka to Udon Thani Airport (UTH) in Udon Thani, Thailand is 2,732 kilometers (1,697 miles / 1,475 nautical miles). The estimated flight time for this route is approximately 4h, flying east northeast at a heading of 63°.

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 17:36 in Colombo, it's 19:06 in Udon Thani.

The return flight from Udon Thani (UTH) to Colombo (CMB) follows a heading of 248° (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 Udon Thani Airport (UTH) detail pages, or use our flight duration calculator to compare other routes.