Best value: Sep — fares from €162 and ~31°C daytime.
Flights from Langkawi to Koh Samui start around €162 (typically 3 stops). Range seen recently: €162–182, based on 2 fares found by travellers.
3★+ hotels from €25/night (39 hotels sampled, ~3 weeks out).
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.
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.
Guide content from Wikivoyage contributors (CC BY-SA).
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.