How the cheapest fare moved
Oct 2: €66 €66
Sep 27
Oct 2
low €66 · high €118
Departure-day prices · May 2029 Phuket → Koh Samui
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Return-day prices · May 2029 Koh Samui → Phuket
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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 Best value: Oct — fares from €66 and ~30°C daytime.
Flights from Phuket to Koh Samui start around €66 (direct flights available). Range seen recently: €66–80, based on 30 fares found by travellers.
Fly (from €66)
55m duration
€66–80 recent fares
Book
Cheapest cached fares Phuket → Koh Samui; direct flights available (e.g. PG). · Based on 30 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 11 – Nov 14
Bangkok Airways · Direct · 55m
€116
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Nov 8 – Nov 16
Bangkok Airways · Direct · 55m
€123
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Nov 8 – Nov 11
Bangkok Airways · Direct · 55m
€124
Book
Oct 17 – Oct 21
Bangkok Airways · Direct · 55m
€124
Book
Oct 29 – Nov 3
Bangkok Airways · Direct · 55m
€124
Book
Oct 16 – Oct 19
Bangkok Airways · Direct · 55m
€124
Book
Oct 31 – Nov 12
Bangkok Airways · Direct · 55m
€124
Book
Nov 3 – Nov 6
Bangkok Airways · Direct · 55m
€125
Book
Weather in Koh Samui
Fri
🌦️
32°
26°
💧53%
Sat
🌦️
30°
26°
💧75%
Sun
🌦️
30°
25°
💧62%
Mon
🌦️
30°
25°
💧75%
Tue
🌦️
29°
25°
💧84%
Wed
⛈️
27°
25°
💧96%
Thu
🌧️
28°
24°
💧96%
Where to stay in Koh Samui 3★+ hotels from €21/night (38 hotels sampled, ~3 weeks out).
COSI Samui Chaweng Beach
hotel · Koh Samui
from €21/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 Same time zone
Time in the air 55m
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 Phuket 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 2026-10-02. Some links earn Stayonomy a commission at no cost to you.
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