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Thailand · Asia

Koh Samui holidays

9.6°N · 100.1°E
At a glanceA Gulf-coast island with easy beaches and more buzz than the Andaman side. Its dry window is different: best Jan to Apr and Jul to Aug.
~13.5h flight estimate5 to 10 days£25 to £240+ per dayStraightforward
Before bookingEntry rules, health advice and local conditions change. Always check current official advice.Check current FCDO advice

Best time to visit Koh Samui

The strongest periods are January to April and July to August. May to June are good shoulder-season alternatives if you prefer fewer crowds. Daytime highs average about 32°C across the main season. Some rain is likely, even in the better months.

Jan30°CBest
Feb31°CBest
Mar32°CBest
Apr33°CBest
May33°CShoulder
Jun32°CShoulder
Jul32°CBest
Aug32°CBest
Sep32°COther
Oct31°COther
Nov30°COther
Dec29°COther

How much does a trip to Koh Samui cost?

On the ground, including accommodation and everyday spending, allow about £25 a day at the budget end, around £70 a day mid-range and £240+ for high-end travel. A seven-night mid-range trip, including estimated return travel from London, is best treated as a planning range of £980 to £1370 per person. Return travel is modelled at about £505 off-peak, £650 typically and £880 in busy UK travel periods. These are planning estimates rather than live quotes. Available accommodation spans cheap & cheerful, simple, comfortable, premium and luxury. The quiz prices the highest available tier that fits your selected minimum and total budget.

What kind of holiday is Koh Samui?

Koh Samui is strongest for beaches and coastal time, switching off, and nightlife. The main settings are tropical islands and coastal scenery, and the pace is relaxing.

How flexible is it? Koh Samui can credibly be planned with a very relaxed to active daytime pace, serene to buzzing evenings and mixed to hotspot crowd settings through the choice of area, hotel, activities and timing. The typical version has relaxed days, lively evenings and a popular setting. The quiz selects the closest credible version rather than treating it as one fixed product.

Strong fit if

  • You want beaches and coastal time, switching off, and nightlife.
  • You prefer a slower, more restful pace.
  • You are comfortable with a well-known destination.

Think twice if

  • You want a packed, high-energy itinerary every day.
  • You want very quiet evenings.
  • You strongly dislike famous or busy destinations.

Travel from the UK

Allow roughly 13.5 hours of modelled flying time from London, before airport and transfer time. This is a substantial journey, so ten nights or more will usually make better use of the travel time.

Frequently asked questions

When is the best time to visit Koh Samui?

The strongest periods are January to April and July to August. May to June are also worth considering for lower crowds. Main-season daytime highs average about 32°C. Some rain is likely, even in the better months.

How much does a trip to Koh Samui cost?

On the ground, including accommodation and everyday spending, allow about £25 a day at the budget end, around £70 a day mid-range and £240+ for high-end travel. A seven-night mid-range trip, including estimated return travel from London, is best treated as a planning range of £980 to £1370 per person. Return travel is modelled at about £505 off-peak, £650 typically and £880 in busy UK travel periods. These are planning estimates rather than live quotes.

How long is the flight or journey to Koh Samui from the UK?

Allow roughly 13.5 hours of modelled flying time from London, before airport and transfer time.

Who is Koh Samui good for?

Koh Samui best suits travellers looking for beaches and coastal time, switching off, and nightlife. Expect tropical islands and coastal scenery, with a relaxing pace.

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