Hong Kong to Koh Samui

1 ways to travelfastest 3h 55mfly from €144
Photo: Arun K / Unsplash

When is it cheapest to fly?

Nov: from €144 — show this month's calendar €144 NovDec: from €178 — show this month's calendar €178 DecJan: from €169 — show this month's calendar €169 JanFeb: from €170 — show this month's calendar €170 FebMar: from €166 — show this month's calendar €166 MarApr: from €180 — show this month's calendar €180 AprMay: from €167 — show this month's calendar €167 MayJun: from €205 — show this month's calendar €205 Jun

How the cheapest fare moved

Nov 6: €175 €175 Oct 31 Nov 6 low €144 · high €208

Departure-day prices · April 2030 Hong Kong → Koh Samui

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Return-day prices · April 2030 Koh Samui → Hong Kong

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Best time to visit Koh Samui — climate

Jan: ~28°C daytime, 16 rainy days 28° JanFeb: ~29°C daytime, 15 rainy days 29° FebMar: ~30°C daytime, 16 rainy days 30° MarApr: ~31°C daytime, 18 rainy days 31° AprMay: ~31°C daytime, 26 rainy days 31° MayJun: ~31°C daytime, 19 rainy days 31° JunJul: ~33°C daytime, 13 rainy days 33° JulAug: ~31°C daytime, 21 rainy days 31° AugSep: ~31°C daytime, 20 rainy days 31° SepOct: ~30°C daytime, 29 rainy days 30° OctNov: ~29°C daytime, 21 rainy days 29° NovDec: ~29°C daytime, 15 rainy days 29° Dec

Best value: Nov — fares from €144 and ~29°C daytime.

Flights from Hong Kong to Koh Samui start around €144 (typically 1 stop). Range seen recently: €144–175, based on 26 fares found by travellers.

Fly (from €144)
3h 55mduration
€144–175recent fares
Book
Cheapest cached fares Hong Kong → Koh Samui; typically 1 stop (e.g. UO). · Based on 26 fares found by travellers in the last 48h

Cheapest round trips to Koh Samui

Fares found by travellers in the last 48 hours — refreshed daily.

Mar 10 – Mar 22 HK Express · 1 stop · 4h 15m €343 Book
Feb 27 – Mar 16 HK Express · 1 stop · 4h 10m €367 Book
Mar 7 – Mar 19 Thai Lion Air · 1 stop · 4h 20m €377 Book
Nov 25 – Dec 25 HK Express · 1 stop · 4h 15m €377 Book
Feb 25 – Mar 8 HK Express · 1 stop · 4h 10m €379 Book
Nov 24 – Dec 24 HK Express · 1 stop · 4h 10m €381 Book
Jan 4 – Jan 14 HK Express · 1 stop · 4h 45m €396 Book
Jan 12 – Jan 19 Thai Lion Air · 1 stop · 4h 20m €403 Book

Weather in Koh Samui

Fri 🌦️ 30° 24° 💧80%
Sat 🌧️ 27° 24° 💧100%
Sun 🌧️ 29° 24° 💧96%
Mon ⛈️ 28° 24° 💧97%
Tue ⛈️ 27° 24° 💧92%
Wed 🌧️ 27° 24° 💧99%
Thu 🌧️ 26° 24° 💧100%

Good to know

Time difference-1h
Time in the air4h 10m

Things to do in Koh Samui

Top-rated tours and tickets from €48 — book ahead for the popular ones.

from €570
3-Day PADI Open Water Diver Course, Koh Samui★ 5.0 (58)
from €55
Meditation & Yoga with Era with Smoothie Bowl & Swim by the Pool★ 5.0 (46)
from €48
Sunrise Stand Up Paddleboard (SUP) Tour in Koh Samui★ 5.0 (33)
from €190
Introductory dive for non-certified divers★ 5.0 (29)
from €202
X Quad Samui Premium ATV Tour (Driver+Passenger) with lunch★ 5.0 (22)
from €120
X Quad Beginner Premium Waterfall ATV Tour (Driver+Passenger)★ 5.0 (21)

Tours and tickets provided by Viator (a Tripadvisor company). Some links earn Stayonomy a commission.

About Koh Samui

Ko Samui (เกาะสมุย), often called just Samui (สมุย) is an island of great natural beauty and variety in the Gulf of Thailand. The palm-fringed shoreline and coconut and fruit cultivation of the coastal lowlands rise to a central granite massif, the slopes of which are cloaked in virgin rainforest.

Read the full Koh Samui guide

Guide content from Wikivoyage contributors (CC BY-SA).

Round out the trip

eSIM for Koh SamuiData from the moment you land — no roaming bills. Rent a car in Koh SamuiCompare local and international rental desks. Airport transferFixed-price pickup waiting at arrivals. Travel insuranceMedical + luggage cover from a few €/day.

Popular from Hong Kong

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Flight prices are real fares travellers found in the last 48 hours, refreshed daily — the booking site confirms the final price. Train, bus and ferry fares are shown on the operators' booking sites. Weather data by Open-Meteo; exchange rates: ECB reference. Data updated 2026-11-06. Some links earn Stayonomy a commission at no cost to you.