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Cheapest cached fares Vientiane → Koh Samui; typically 1 stop (e.g. QV). · Based on 1 fares found by travellers in the last 48h
Flights from Vientiane to Koh Samui start around €192 (typically 1 stop). Range seen recently: €192–192, based on 1 fares found by travellers.
In Aug, Koh Samui typically sees ~32°C daytime highs and 21 rainy days.
3★+ hotels from €23/night (38 hotels sampled, ~3 weeks out).
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.
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 2026-10-21. Some links earn Stayonomy a commission at no cost to you.