Hong Kong to Koh Samui

1 ways to travelfastest 3h 50mfly from €163
Photo: Arun K / Unsplash

How the cheapest fare moved

Sep 29: €170 €170 Sep 24 Sep 29 low €163 · high €173

Departure-day prices · October 2026 Hong Kong → Koh Samui

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Cheapest days highlighted · darker = pricier · past days greyed out · cached one-way fares.

Return-day prices · October 2026 Koh Samui → Hong Kong

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Cheapest days highlighted · darker = pricier · past days greyed out · cached one-way fares.

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, 15 rainy days 30° MarApr: ~31°C daytime, 18 rainy days 31° AprMay: ~30°C daytime, 25 rainy days 30° 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: Oct — fares from €163 and ~30°C daytime.

Flights from Hong Kong to Koh Samui start around €163 (typically 1 stop). Range seen recently: €163–175, based on 12 fares found by travellers.

Fly (from €163)
3h 50mduration
€163–175recent fares
Book
Cheapest cached fares Hong Kong → Koh Samui; typically 1 stop (e.g. SL). · Based on 12 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.

Nov 2 – Nov 15 HK Express · 1 stop · 4h 15m €346 Book
Oct 30 – Nov 14 HK Express · 1 stop · 4h 40m €347 Book
Oct 31 – Nov 15 HK Express · 1 stop · 4h 15m €352 Book
Nov 16 – Nov 22 Thai Lion Air · 1 stop · 4h 20m €357 Book
Nov 8 – Nov 19 HK Express · 1 stop · 4h 15m €358 Book
Oct 9 – Oct 14 HK Express · 1 stop · 3h 55m €371 Book

Weather in Koh Samui

Tue 🌦️ 30° 26° 💧88%
Wed 🌦️ 30° 26° 💧82%
Thu 🌦️ 29° 25° 💧90%
Fri 🌦️ 30° 25° 💧84%
Sat 🌦️ 29° 25° 💧90%
Sun 🌦️ 29° 25° 💧91%
Mon ⛈️ 29° 25° 💧84%

In Oct, Koh Samui typically sees ~30°C daytime highs and 29 rainy days.

Where to stay in Koh Samui

3★+ hotels from €22/night (39 hotels sampled, ~3 weeks out).

COSI Samui Chaweng Beach hotel · Koh Samui
from €22/night★ 3
Escape Beach Resort hotel · Koh Samui
from €29/night★ 3
Montien House Chaweng Beach Resort hotel · Koh Samui
from €29/night★ 3

Good to know

Time difference-1h
Time in the air3h 55m

Things to do in Koh Samui

Top-rated tours and tickets from €47 — book ahead for the popular ones.

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

Popular from Hong Kong

Cheapest destinations travellers searched recently — refreshed daily.

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 2026-09-29. Some links earn Stayonomy a commission at no cost to you.