Flights Koh Samui — Haikou is a popular route. The straight-line distance is 1 595 km. Flight time 2h 23m. Time difference +1h.
From Koh Samui (USM) flights depart from 1 airport: USM. To Haikou (HAK) — 1 arrival airport: HAK.
1 airline operate on this route: Bangkok Airways.
The minimum price for the next 3 months — from $266 (14.12.2026). The cheapest dates are highlighted in the calendar above.
The average ticket price — $283, ranging from $266 to $300. Book 1–3 months in advance to get the best deals.
Cheapest day to fly — Monday.