How the cheapest fare moved
Oct 31: €70 €70
Oct 26
Oct 31
low €70 · high €115
Departure-day prices · April 2027 Bangkok → Koh Samui
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Cheapest days highlighted · darker = pricier · past days greyed out · cached one-way fares.
Return-day prices · April 2027 Koh Samui → Bangkok
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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°
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 €70 and ~29°C daytime.
Flights from Bangkok to Koh Samui start around €70 (typically 1 stop). Range seen recently: €70–75, based on 28 fares found by travellers.
Fly (from €70)
1h 05m duration
€70–75 recent fares
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Cheapest cached fares Bangkok → Koh Samui; typically 1 stop (e.g. SL). · Based on 28 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 5 – Nov 5
Bangkok Airways · Direct · 1h 10m
€92
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Nov 4 – Nov 5
Bangkok Airways · Direct · 1h 10m
€97
Book
Nov 3 – Nov 6
Bangkok Airways · Direct · 1h 10m
€99
Book
Nov 5 – Nov 6
Bangkok Airways · Direct · 1h 10m
€99
Book
Nov 3 – Nov 7
Bangkok Airways · Direct · 1h 10m
€127
Book
Nov 2 – Nov 9
Bangkok Airways · Direct · 1h 10m
€128
Book
Nov 2 – Dec 1
Bangkok Airways · Direct · 1h 35m
€132
Book
Nov 3 – Nov 24
Bangkok Airways · Direct · 1h 10m
€133
Book
Weather in Koh Samui
Sat
🌦️
31°
26°
💧76%
Sun
🌧️
29°
25°
💧92%
Mon
🌦️
30°
26°
💧76%
Tue
🌦️
29°
24°
💧92%
Wed
🌧️
29°
24°
💧88%
Thu
🌧️
29°
24°
💧85%
Fri
🌦️
28°
25°
💧92%
In Apr, Koh Samui typically sees ~33°C daytime highs and 6 rainy days.
Where to stay in Koh Samui 3★+ hotels from €19/night (38 hotels sampled, ~3 weeks out).
COSI Samui Chaweng Beach
hotel · Koh Samui
from €19/night ★ 3
Escape Beach Resort
hotel · Koh Samui
from €23/night ★ 3
Montien House Chaweng Beach Resort
hotel · Koh Samui
from €28/night ★ 3
Good to know Time difference Same time zone
Time in the air 1h 10m
Things to do in Koh Samui Top-rated tours and tickets from €22 — 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 Bangkok 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 2026-10-31. Some links earn Stayonomy a commission at no cost to you.
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