Chiang Mai to Koh Samui

1 ways to travelfastest 2h 30mfly from €83
Photo: Lera Ginzburg / Unsplash

How the cheapest fare moved

Aug 15: €114 €114 Aug 8 Aug 15 low €106 · high €163

Departure-day prices · February 2025 Chiang Mai → Koh Samui

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Return-day prices · February 2025 Koh Samui → Chiang Mai

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Flights from Chiang Mai to Koh Samui start around €83 (typically 1 stop). Range seen recently: €83–116, based on 9 fares found by travellers.

Fly (from €83)
2h 30mduration
€83–116recent fares
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Cheapest cached fares Chiang Mai → Koh Samui; typically 1 stop (e.g. PG). · Based on 9 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.

Apr 1 – Apr 30 Bangkok Airways · 1 stop · 2h 30m €225 Book
Nov 15 – Nov 21 Thai Vietjet Air · 1 stop · 2h 30m €253 Book
Sep 13 – Sep 20 Thai Lion Air · 2 stops · 3h 25m €268 Book
Jan 31 – Feb 13 Thai AirAsia · 1 stop · 2h 25m €268 Book
Feb 18 – Feb 22 Bangkok Airways · 1 stop · 2h 35m €297 Book
Jan 3 – Jan 19 Bangkok Airways · 1 stop · 2h 35m €339 Book
Nov 25 – Jan 24 Thai AirAsia · 2 stops · 3h 25m €357 Book
Aug 22 – Aug 31 Thai Lion Air · 1 stop · 2h 40m €372 Book

Weather in Koh Samui

Sat 🌧️ 33° 26° 💧82%
Sun 🌧️ 31° 25° 💧86%
Mon ⛈️ 30° 25° 💧82%
Tue ⛈️ 28° 25° 💧75%
Wed ☁️ 30° 26° 💧49%
Thu 🌦️ 30° 27° 💧53%
Fri 🌦️ 32° 26° 💧57%

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
The Briza Beach Resort, Samui hotel · Koh Samui
from €52/night★ 4

Good to know

Time differenceSame time zone
Time in the air2h 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).

Round out the trip

Popular from Chiang Mai

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 2026-08-15. Some links earn Stayonomy a commission at no cost to you.