The flight distance from Suvarnabhumi Airport (BKK) in Bangkok, Thailand to Colombo Int Arpt Ratmalana Airport (RML) in Colombo, Sri Lanka is 2,405 kilometers (1,494 miles / 1,298 nautical miles). The estimated flight time for this route is approximately 4h, flying west southwest at a heading of 254°.

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

Time zone information: When it's 22:25 in Bangkok, it's 20:55 in Colombo.

The return flight from Colombo (RML) to Bangkok (BKK) follows a heading of 70° (east northeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Suvarnabhumi Airport (BKK) and Colombo Int Arpt Ratmalana Airport (RML) detail pages, or use our flight duration calculator to compare other routes.