Cheap flights from Utapao to Koh Samui
Cheapest current fares: $69 in October 2026, 363 km direct flight in ~26m.
Cheapest month-by-month fares
Lowest available fare per calendar month from Utapao (UTP) to Koh Samui (USM). Refreshed daily.
Utapao (UTP) → Koh Samui (USM)
- October 2026 $69
- November 2026 $69
- September 2026 $70
- August 2026 $79
- January 2027 $93
- December 2026 $169
Frequently asked questions
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What is the cheapest month to fly from Utapao to Koh Samui?
Based on current 6-month forward fare data, October 2026 is the cheapest month to fly from Utapao (UTP) to Koh Samui (USM), with fares starting from $69.
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What is the lowest current fare from UTP to USM?
The lowest currently-listed fare from Utapao (UTP) to Koh Samui (USM) is $69 on 2026-10-19.
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How long is the flight from Utapao to Koh Samui?
Direct flights from UTP to USM cover approximately 363 km (226 miles), with an estimated flight time of 26m. Operating airlines: PG.
Related guides for this route
Sibling pages — full route detail, airport overviews, visa context, per-airline routes.