How the cheapest fare moved
Jul 24: €141
€141
Jul 18
Jul 24
low €136 · high €177
Departure-day prices · October 2026 Singapore → 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 → Singapore
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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, 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 Best value: Aug — fares from €136 and ~31°C daytime.
Flights from Singapore to Koh Samui start around €136 (direct flights available). Range seen recently: €136–139, based on 5 fares found by travellers.
Fly (from €136)
1h 45m duration
€136–139 recent fares
Book
Cheapest cached fares Singapore → Koh Samui; direct flights available (e.g. TR). · Based on 5 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.
Sep 7 – Oct 4
Scoot · Direct · 1h 45m
€240
Book
Sep 6 – Oct 4
Scoot · Direct · 1h 55m
€241
Book
Aug 26 – Sep 4
Scoot · Direct · 1h 45m
€255
Book
Sep 1 – Sep 8
Scoot · Direct · 1h 45m
€255
Book
Jan 19 – Feb 6
Scoot · Direct · 2h 00m
€261
Book
Nov 14 – Dec 1
Scoot · Direct · 2h 00m
€261
Book
Sep 18 – Sep 26
Scoot · Direct · 1h 55m
€266
Book
Sep 11 – Sep 20
Scoot · Direct · 1h 45m
€268
Book
Weather in Koh Samui
Fri
⛈️
29°
25°
💧95%
Sat
🌧️
29°
25°
💧88%
Sun
🌧️
30°
25°
💧71%
Mon
⛈️
29°
25°
💧82%
Tue
⛈️
29°
25°
💧82%
Wed
🌧️
28°
25°
💧92%
Thu
🌧️
27°
25°
💧82%
In Oct, Koh Samui typically sees ~30°C daytime highs and 29 rainy days.
Where to stay in Koh Samui 3★+ hotels from €24/night (32 hotels sampled, ~3 weeks out).
Nora Buri Resort & Spa
hotel · Koh Samui
from €24/night ★ 5
Crystal Lamai Hotel
hotel · Koh Samui
from €32/night ★ 3
COSI Samui Chaweng Beach
hotel · Koh Samui
from €34/night ★ 3
Good to know Time difference -1h
Time in the air 1h 45m
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 Singapore 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 2026-07-24. Some links earn Stayonomy a commission at no cost to you.