What is the cheapest month to fly from Colombo to Siem Reap?

Based on current 6-month forward fare data, December 2026 is the cheapest month to fly from Colombo (CMB) to Siem Reap (SAI), with fares starting from $232.

What is the lowest current fare from CMB to SAI?

The lowest currently-listed fare from Colombo (CMB) to Siem Reap (SAI) is $232 on 2026-12-28.

Is there a direct flight from Colombo to Siem Reap?

There is currently no non-stop service from CMB to SAI. Most travellers connect through a hub airport. See our route page for current stopover options.

Cheap flights from Colombo to Siem Reap

Cheapest current fares: $232 in December 2026 on connecting flights.

Last updated August 5, 2026 · By Flightmaps Editorial

Cheapest month-by-month fares

Lowest available fare per calendar month from Colombo (CMB) to Siem Reap (SAI). Refreshed daily.

Colombo (CMB) → Siem Reap (SAI)

December 2026 $232
January 2027 $248
September 2026 $281

Frequently asked questions

What is the cheapest month to fly from Colombo to Siem Reap?

Based on current 6-month forward fare data, December 2026 is the cheapest month to fly from Colombo (CMB) to Siem Reap (SAI), with fares starting from $232.
What is the lowest current fare from CMB to SAI?

The lowest currently-listed fare from Colombo (CMB) to Siem Reap (SAI) is $232 on 2026-12-28.
Is there a direct flight from Colombo to Siem Reap?

There is currently no non-stop service from CMB to SAI. Most travellers connect through a hub airport. See our route page for current stopover options.

Related guides for this route

Sibling pages — full route detail, airport overviews, visa context, per-airline routes.