Cheap flights from Koh Samui to Phuket
Cheapest current fares: $68 in June 2026, 251 km direct flight in ~18m.
Cheapest month-by-month fares
Lowest available fare per calendar month from Koh Samui (USM) to Phuket (HKT). Refreshed daily.
Koh Samui (USM) → Phuket (HKT)
- June 2026 $68
- September 2026 $74
- July 2026 $99
- May 2026 $108
- October 2026 $129
- August 2026 $142
Frequently asked questions
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What is the cheapest month to fly from Koh Samui to Phuket?
Based on current 6-month forward fare data, June 2026 is the cheapest month to fly from Koh Samui (USM) to Phuket (HKT), with fares starting from $68.
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What is the lowest current fare from USM to HKT?
The lowest currently-listed fare from Koh Samui (USM) to Phuket (HKT) is $68 on 2026-06-25.
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How long is the flight from Koh Samui to Phuket?
Direct flights from USM to HKT cover approximately 251 km (156 miles), with an estimated flight time of 18m. Operating airlines: PG.
Related guides for this route
Sibling pages — full route detail, airport overviews, visa context, per-airline routes.