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

Based on current 6-month forward fare data, October 2026 is the cheapest month to fly from Tokyo (NRT) to Koh Samui (USM), with fares starting from $247.

What is the lowest current fare from NRT to USM?

The lowest currently-listed fare from Tokyo (NRT) to Koh Samui (USM) is $247 on 2026-10-05.

Is there a direct flight from Tokyo to Koh Samui?

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

Cheap flights from Tokyo to Koh Samui

Cheapest current fares: $247 in October 2026 on connecting flights.

Last updated May 25, 2026 · By Flightmaps Editorial

Cheapest month-by-month fares

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

Tokyo (NRT) → Koh Samui (USM)

October 2026 $247
September 2026 $265
June 2026 $279
August 2026 $355
July 2026 $365

Frequently asked questions

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

Based on current 6-month forward fare data, October 2026 is the cheapest month to fly from Tokyo (NRT) to Koh Samui (USM), with fares starting from $247.
What is the lowest current fare from NRT to USM?

The lowest currently-listed fare from Tokyo (NRT) to Koh Samui (USM) is $247 on 2026-10-05.
Is there a direct flight from Tokyo to Koh Samui?

There is currently no non-stop service from NRT 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.