What is the cheapest month to fly from Changsha to Koh Samui?

Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Changsha (CSX) to Koh Samui (USM), with fares starting from $246.

What is the lowest current fare from CSX to USM?

The lowest currently-listed fare from Changsha (CSX) to Koh Samui (USM) is $246 on 2026-08-17.

Is there a direct flight from Changsha to Koh Samui?

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

Cheap flights from Changsha to Koh Samui

Cheapest current fares: $246 in August 2026 on connecting flights.

Last updated August 9, 2026 · By Flightmaps Editorial

Cheapest month-by-month fares

Lowest available fare per calendar month from Changsha (CSX) to Koh Samui (USM). Refreshed daily.

Changsha (CSX) → Koh Samui (USM)

August 2026 $246

Frequently asked questions

What is the cheapest month to fly from Changsha to Koh Samui?

Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Changsha (CSX) to Koh Samui (USM), with fares starting from $246.
What is the lowest current fare from CSX to USM?

The lowest currently-listed fare from Changsha (CSX) to Koh Samui (USM) is $246 on 2026-08-17.
Is there a direct flight from Changsha to Koh Samui?

There is currently no non-stop service from CSX to USM. 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.