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

Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Riyadh (RUH) to Koh Samui (USM), with fares starting from $508.

What is the lowest current fare from RUH to USM?

The lowest currently-listed fare from Riyadh (RUH) to Koh Samui (USM) is $508 on 2026-08-06.

Is there a direct flight from Riyadh to Koh Samui?

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

Cheap flights from Riyadh to Koh Samui

Cheapest current fares: $508 in August 2026 on connecting flights.

Last updated August 4, 2026 · By Flightmaps Editorial

Cheapest month-by-month fares

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

Riyadh (RUH) → Koh Samui (USM)

August 2026 $508

Frequently asked questions

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

Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Riyadh (RUH) to Koh Samui (USM), with fares starting from $508.
What is the lowest current fare from RUH to USM?

The lowest currently-listed fare from Riyadh (RUH) to Koh Samui (USM) is $508 on 2026-08-06.
Is there a direct flight from Riyadh to Koh Samui?

There is currently no non-stop service from RUH 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.