Trat to Koh Samui

1 ways to travelfastest 2h 10mfly from €145
Photo: Arun K / Unsplash

How the cheapest fare moved

Oct 22: €188 €188 Oct 15 Oct 22 low €146 · high €289

Departure-day prices · October 2026 Trat → Koh Samui

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Return-day prices · October 2026 Koh Samui → Trat

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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° JanFeb: ~29°C daytime, 15 rainy days 29° FebMar: ~30°C daytime, 16 rainy days 30° MarApr: ~31°C daytime, 18 rainy days 31° AprMay: ~31°C daytime, 26 rainy days 31° MayJun: ~31°C daytime, 19 rainy days 31° JunJul: ~33°C daytime, 13 rainy days 33° JulAug: ~31°C daytime, 21 rainy days 31° AugSep: ~31°C daytime, 20 rainy days 31° SepOct: ~30°C daytime, 29 rainy days 30° OctNov: ~29°C daytime, 21 rainy days 29° NovDec: ~29°C daytime, 15 rainy days 29° Dec

Best value: Jan — fares from €145 and ~28°C daytime.

Flights from Trat to Koh Samui start around €145 (typically 1 stop). Range seen recently: €145–294, based on 12 fares found by travellers.

Fly (from €145)
2h 10mduration
€145–294recent fares
Book
Cheapest cached fares Trat → Koh Samui; typically 1 stop (e.g. PG). · Based on 12 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 25 Bangkok Airways · 1 stop · 2h 10m €410 Book
Jan 11 – Jan 31 Bangkok Airways · 1 stop · 2h 35m €455 Book

Weather in Koh Samui

Thu 🌦️ 30° 26° 💧75%
Fri 🌦️ 30° 26° 💧75%
Sat ⛈️ 29° 24° 💧79%
Sun ⛈️ 29° 24° 💧83%
Mon 🌧️ 29° 24° 💧82%
Tue 🌦️ 29° 26° 💧74%
Wed 🌦️ 29° 26° 💧92%

In Oct, Koh Samui typically sees ~30°C daytime highs and 29 rainy days.

Where to stay in Koh Samui

3★+ hotels from €23/night (38 hotels sampled, ~3 weeks out).

COSI Samui Chaweng Beach hotel · Koh Samui
from €23/night★ 3
Escape Beach Resort hotel · Koh Samui
from €29/night★ 3
Montien House Chaweng Beach Resort hotel · Koh Samui
from €29/night★ 3

Good to know

Time differenceSame time zone
Time in the air2h 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).

Round out the trip

Popular from Trat

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 2026-10-22. Some links earn Stayonomy a commission at no cost to you.