Flights Koh Samui — Busan is a popular route. The straight-line distance is 4 094 km. Flight time 5h 19m. Time difference +2h.
From Koh Samui (USM) flights depart from 1 airport: USM. To Busan (PUS) — 1 arrival airport: PUS.
1 airline operate on this route: Bangkok Airways.
The minimum price for the next 3 months — from $313 (13.12.2026). The cheapest dates are highlighted in the calendar above.
The average ticket price — $313, ranging from $313 to $313. Book 1–3 months in advance to get the best deals.
Cheapest day to fly — Sunday.