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

Based on current 6-month forward fare data, June 2026 is the cheapest month to fly from Sihanoukville (KOS) to Bangkok (BKK), with fares starting from $261.

What is the lowest current fare from KOS to BKK?

The lowest currently-listed fare from Sihanoukville (KOS) to Bangkok (BKK) is $261 on 2026-06-25.

Is there a direct flight from Sihanoukville to Bangkok?

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

Cheap flights from Sihanoukville to Bangkok

Cheapest current fares: $261 in June 2026 on connecting flights.

Last updated May 26, 2026 · By Flightmaps Editorial

Cheapest month-by-month fares

Lowest available fare per calendar month from Sihanoukville (KOS) to Bangkok (BKK). Refreshed daily.

Sihanoukville (KOS) → Bangkok (BKK)

June 2026 $261
May 2026 $348

Frequently asked questions

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

Based on current 6-month forward fare data, June 2026 is the cheapest month to fly from Sihanoukville (KOS) to Bangkok (BKK), with fares starting from $261.
What is the lowest current fare from KOS to BKK?

The lowest currently-listed fare from Sihanoukville (KOS) to Bangkok (BKK) is $261 on 2026-06-25.
Is there a direct flight from Sihanoukville to Bangkok?

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