Flights to Koh Samui
3 routes into Koh Samui, with the airlines that fly them, flight times and the fares we have seen. Lowest nonstop fare seen: $74 one-way from Phuket (8 Oct 2026).
Routes to Koh Samui
| From | Airlines | Flight time | Fare seen | Book |
|---|---|---|---|---|
| Bangkok to Koh SamuiBKK–USM | Bangkok Airways | 1h 5m | $76 nonstop | Book |
| Phuket to Koh SamuiHKT–USM | — | 49m | $74 nonstop | Book |
| Riyadh to Koh SamuiRUH–USM | — | 7h 51m | — | Book |
One-way fares in USD from Travelpayouts flight data, with the date we saw them. Fares change daily; check the price for your dates before you book.
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FAQ
What is the cheapest nonstop flight to Koh Samui?+
Of the routes we track, the lowest nonstop fare we have seen is $74 one-way from Phuket (HKT–USM), seen 8 Oct 2026. Fares change daily.
How long is the flight to Koh Samui?+
It depends on where you start: about 49m from Phuket (249 km), the shortest route we track. Each route below lists its own flight time.
Can I fly nonstop to Koh Samui?+
Yes, from 2 of the 3 cities we track; each route below shows the airlines that fly it.
When you land in Koh Samui
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Samui International Airport (USM)