How the cheapest fare moved
Aug 10: €179 €179
Aug 6
Aug 10
low €176 · high €179
Departure-day prices · October 2024 Surat Thani → Koh Samui
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Return-day prices · October 2024 Koh Samui → Surat Thani
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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, 15 rainy days
30°
Mar Apr: ~31°C daytime, 18 rainy days
31°
Apr May: ~30°C daytime, 25 rainy days
30°
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 Flights from Surat Thani to Koh Samui start around €176 (typically 1 stop). Range seen recently: €176–191, based on 3 fares found by travellers.
Fly (from €176)
2h 45m duration
€176–191 recent fares
Book
Cheapest cached fares Surat Thani → Koh Samui; typically 1 stop (e.g. SL). · Based on 3 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.
Jan 20 – Jan 26
Thai Vietjet Air · 1 stop · 2h 25m
€223
Book
Dec 15 – Dec 29
Thai AirAsia · 1 stop · 2h 25m
€249
Book
Aug 23 – Sep 5
Thai Vietjet Air · 2 stops · 3h 45m
€328
Book
Dec 31 – Jan 11
Thai Vietjet Air · 1 stop · 2h 25m
€331
Book
Weather in Koh Samui
Wed
🌦️
32°
27°
💧41%
Thu
🌦️
32°
27°
💧61%
Fri
⛈️
30°
25°
💧76%
Sat
⛈️
30°
26°
💧86%
Sun
🌦️
31°
26°
💧69%
Mon
☁️
30°
26°
💧80%
Tue
🌦️
30°
26°
💧63%
In Oct, Koh Samui typically sees ~30°C daytime highs and 29 rainy days.
Where to stay in Koh Samui 3★+ hotels from €29/night (40 hotels sampled, ~3 weeks out).
COSI Samui Chaweng Beach
hotel · Koh Samui
from €29/night ★ 3
Crystal Lamai Hotel
hotel · Koh Samui
from €33/night ★ 3
Impiana Resort Chaweng Noi
hotel · Koh Samui
from €41/night ★ 4
Good to know Time difference Same time zone
Time in the air 2h 25m
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).
Popular from Surat Thani 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 2026-08-11. Some links earn Stayonomy a commission at no cost to you.
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