Cheap flights from London to Koh Samui

London
LON
Koh Samui
USM

Flight deals from London to Koh Samui

Below you can see the best deals on flights London — Koh Samui for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 9 November, from $483.

Top 10 cheap flights from London to Koh Samui

About the London — Koh Samui flight

Looking for cheap flights from London to Koh Samui? Compare fares from different airlines, check the flight schedule and travel time — and book your London — Koh Samui ticket online at the best price.

A nonstop flight takes about 12 h 51 min, the distance between the cities is around 9,881 km.

Planning your trip? You may find our Koh Samui travel guide, how to get from the airport into town and Koh Samui weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $483Min. price
NovemberCheapest
DecemberPeak season
NoDirect flights
9,881 kmDistance
12 h 51 minTravel time

Flight ticket prices by day: London — Koh Samui

Below is a calendar of the lowest flight ticket prices for London — Koh Samui by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $483 in November, and the most expensive are around $749 in December. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from London to Koh Samui by month. Tickets are usually cheapest in April (around $494) and priciest in December (about $633) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$616highMay$505lowSep$565medium
Feb$562mediumJun$569mediumOct$511low
Mar$514lowJul$629highNov$508low
Apr$494lowAug$556mediumDec$633high

Some values are estimated based on seasonality.

When to fly

Weather in Koh Samui: it is warmest in May (up to 30 °C on average) and coolest in January (around 27 °C). The driest month is March.

Tickets are usually cheapest in November and most expensive in December. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · Koh Samui

Dry and wet days · Koh Samui

Wind speed and direction · Koh Samui

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How to get the best deal on a London — Koh Samui ticket

  • Book ahead: fares for London — Koh Samui are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • London is served by more than one airport — compare fares and travel time to each before you book.
  • The cheapest month to fly to Koh Samui is usually November — plan your trip around it if your dates are flexible.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

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Cities and airports on the London — Koh Samui route

Flights London — Koh Samui depart from Heathrow Airport, London Gatwick Airport, Stansted Airport and London Luton Airport and arrive at Koh Samui Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

London

LON
United Kingdom
About the cityHow to get thereWeatherAll about the country United Kingdom
Arrival

Koh Samui

USM
Thailand
About the cityHow to get thereWeatherAll about the country Thailand
Departure airports
Arrival airports

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Frequently asked questions about the London — Koh Samui flight

How long is the flight from London to Koh Samui?

A nonstop London — Koh Samui flight takes about 12 h 51 min — the distance between the cities is around 9,881 km.

How far is it from London to Koh Samui?

The distance from London to Koh Samui is about 9,881 km.

Which airports do London — Koh Samui flights use?

Flights from London depart from Heathrow Airport, London Gatwick Airport, Stansted Airport, and arrive at Koh Samui Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from London to Koh Samui?

The price of a London — Koh Samui ticket depends on your travel date, season and demand: it is usually cheapest to fly in November, and most expensive in December. Tickets typically cost between $483 and $749. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights London — Koh Samui?

Flights London — Koh Samui are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is November. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from London to Koh Samui?

To catch a low fare London — Koh Samui, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually November.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

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