Koh Samui, Thailand: things to do, when to go & how long to stay

Overview

Gulf coast island on a different weather pattern to the Andaman side. It is one of the places we suggest when planning a trip to Thailand.

Compare flights, stays, activities and transport for your trip to Koh Samui.

Flights

Compare routes and fares from your departure city.

Where to staywith Kiwi

Browse stays by area and budget.

Tours & activitieswith KKday

Book experiences, day trips and guided tours.

Car rentalwith Getrentacar

Compare rental cars for road trips and day trips.

Airport transferswith Welcome Pickups

Pre-book a private ride from the airport to your stay.

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Koh Samui is affordable by Thailand standards. Across Thailand, mid-range travellers typically spend about $75–$110 per person per day.

Country-level planning estimate, excluding flights. See the full Thailand budget breakdown.

Language: Thai; English is commonly available in tourism areas
Currency: Thai baht (THB)
Power: Type A/B/C, 220V
Entry: Entry rules depend on nationality — verify current official requirements before booking.

JanFebMarAprMayJunJulAugSepOctNovDec

Plan 2–4 days here. Highlighted months are the best fit for most travellers.

Domestic flights link Bangkok with the north and the southern islands quickly
Trains and long-distance buses cover the country affordably, including overnight services