What is the cheapest month to fly from Colombo to Sihanoukville?

Based on current 6-month forward fare data, October 2026 is the cheapest month to fly from Colombo (CMB) to Sihanoukville (KOS), with fares starting from $276.

What is the lowest current fare from CMB to KOS?

The lowest currently-listed fare from Colombo (CMB) to Sihanoukville (KOS) is $276 on 2026-10-30.

Is there a direct flight from Colombo to Sihanoukville?

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

Cheap flights from Colombo to Sihanoukville

Cheapest current fares: $276 in October 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 Sihanoukville (KOS). Refreshed daily.

Colombo (CMB) → Sihanoukville (KOS)

October 2026 $276

Frequently asked questions

What is the cheapest month to fly from Colombo to Sihanoukville?

Based on current 6-month forward fare data, October 2026 is the cheapest month to fly from Colombo (CMB) to Sihanoukville (KOS), with fares starting from $276.
What is the lowest current fare from CMB to KOS?

The lowest currently-listed fare from Colombo (CMB) to Sihanoukville (KOS) is $276 on 2026-10-30.
Is there a direct flight from Colombo to Sihanoukville?

There is currently no non-stop service from CMB to KOS. 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.