How the cheapest fare moved
Nov 9: €168 €168
Nov 2
Nov 9
low €150 · high €249
Departure-day prices · July 2030 Hong Kong → Koh Samui
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Return-day prices · July 2030 Koh Samui → Hong Kong
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Best time to visit Koh Samui — climate Jan: ~28°C daytime, 16 rainy days
28°
Jan Feb: ~29°C daytime, 15 rainy days
29°
Feb Mar: ~30°C daytime, 16 rainy days
30°
Mar Apr: ~31°C daytime, 18 rainy days
31°
Apr May: ~31°C daytime, 26 rainy days
31°
May Jun: ~31°C daytime, 19 rainy days
31°
Jun Jul: ~33°C daytime, 13 rainy days
33°
Jul Aug: ~31°C daytime, 21 rainy days
31°
Aug Sep: ~31°C daytime, 20 rainy days
31°
Sep Oct: ~30°C daytime, 29 rainy days
30°
Oct Nov: ~29°C daytime, 21 rainy days
29°
Nov Dec: ~29°C daytime, 15 rainy days
29°
Dec Best value: Nov — fares from €150 and ~29°C daytime.
Flights from Hong Kong to Koh Samui start around €150 (typically 1 stop). Range seen recently: €150–175, based on 23 fares found by travellers.
Fly (from €150)
3h 30m duration
€150–175 recent fares
Book
Cheapest cached fares Hong Kong → Koh Samui; typically 1 stop (e.g. UO). · Based on 23 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
Mar 10 – Mar 20
HK Express · 1 stop · 4h 15m
€347
Book
Jun 5 – Jun 15
HK Express · 1 stop · 4h 05m
€364
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
Weather in Koh Samui
Mon
🌧️
28°
24°
💧88%
Tue
🌧️
28°
25°
💧94%
Wed
🌧️
26°
24°
💧98%
Thu
🌧️
26°
24°
💧98%
Fri
🌧️
27°
24°
💧98%
Sat
🌧️
28°
24°
💧91%
Sun
🌦️
29°
26°
💧82%
Where to stay in Koh Samui 3★+ hotels from €20/night (38 hotels sampled, ~3 weeks out).
COSI Samui Chaweng Beach
hotel · Koh Samui
from €20/night ★ 3
Escape Beach Resort
hotel · Koh Samui
from €28/night ★ 3
Montien House Chaweng Beach Resort
hotel · Koh Samui
from €29/night ★ 3
Good to know Time difference -1h
Time in the air 4h 05m
Things to do in Koh Samui Top-rated tours and tickets from €48 — 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).
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 2026-11-09. Some links earn Stayonomy a commission at no cost to you.
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