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

Based on current 6-month forward fare data, September 2026 is the cheapest month to fly from Rome (FCO) to Koh Samui (USM), with fares starting from $439.

What is the lowest current fare from FCO to USM?

The lowest currently-listed fare from Rome (FCO) to Koh Samui (USM) is $439 on 2026-09-20.

Is there a direct flight from Rome to Koh Samui?

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

Cheap flights from Rome to Koh Samui

Cheapest current fares: $439 in September 2026 on connecting flights.

Last updated August 3, 2026 · By Flightmaps Editorial

Cheapest month-by-month fares

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

Rome (FCO) → Koh Samui (USM)

September 2026 $439

Frequently asked questions

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

Based on current 6-month forward fare data, September 2026 is the cheapest month to fly from Rome (FCO) to Koh Samui (USM), with fares starting from $439.
What is the lowest current fare from FCO to USM?

The lowest currently-listed fare from Rome (FCO) to Koh Samui (USM) is $439 on 2026-09-20.
Is there a direct flight from Rome to Koh Samui?

There is currently no non-stop service from FCO 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.