Cheap flights from Hahn to Koh Samui
Cheapest current fares: $443 in September 2026 on connecting flights.
Cheapest month-by-month fares
Lowest available fare per calendar month from Hahn (HHN) to Koh Samui (USM). Refreshed daily.
Hahn (HHN) → Koh Samui (USM)
- September 2026 $443
- November 2026 $507
- October 2026 $509
- August 2026 $518
- January 2027 $636
- December 2026 $848
Frequently asked questions
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What is the cheapest month to fly from Hahn to Koh Samui?
Based on current 6-month forward fare data, September 2026 is the cheapest month to fly from Hahn (HHN) to Koh Samui (USM), with fares starting from $443.
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What is the lowest current fare from HHN to USM?
The lowest currently-listed fare from Hahn (HHN) to Koh Samui (USM) is $443 on 2026-09-15.
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Is there a direct flight from Hahn to Koh Samui?
There is currently no non-stop service from HHN 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.