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

Based on current 6-month forward fare data, September 2026 is the cheapest month to fly from Busan (PUS) to Koh Samui (USM), with fares starting from $231.

What is the lowest current fare from PUS to USM?

The lowest currently-listed fare from Busan (PUS) to Koh Samui (USM) is $231 on 2026-09-15.

Is there a direct flight from Busan to Koh Samui?

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

Cheap flights from Busan to Koh Samui

Cheapest current fares: $231 in September 2026 on connecting flights.

Last updated August 2, 2026 · By Flightmaps Editorial

Cheapest month-by-month fares

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

Busan (PUS) → Koh Samui (USM)

September 2026 $231

Frequently asked questions

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

Based on current 6-month forward fare data, September 2026 is the cheapest month to fly from Busan (PUS) to Koh Samui (USM), with fares starting from $231.
What is the lowest current fare from PUS to USM?

The lowest currently-listed fare from Busan (PUS) to Koh Samui (USM) is $231 on 2026-09-15.
Is there a direct flight from Busan to Koh Samui?

There is currently no non-stop service from PUS 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.