Flights Koh Samui — Bucharest is a popular route. The straight-line distance is 7 995 km. Flight time 9h 54m. Time difference -5h.
The minimum price for the next 3 months — from $434 (25.11.2026). The cheapest dates are highlighted in the calendar above.
The average ticket price — $463, ranging from $434 to $492. Book 1–3 months in advance to get the best deals.