France (€)
International (€)
Deutschland (€)
España (€)

London to Koh Samui flights

Why book with Opodo?
  • Cheap flights with over 660 airlines
  • Compare the best deals
  • Flights to Koh Samui from £517

Cheap last minute flights to Koh Samui

Latest deals and top flight routes from London airports.

Departure Fri, 30 Apr Return Sun, 09 May
LON London
USM Koh Samui
return from £525
Departure Thu, 13 May Return Tue, 18 May
LON London
USM Koh Samui
return from £517
Flight route information
Find out further information on London and Koh Samui to help you prepare for your trip.
Currency and price comparison
Exchange rate
1.00 GBP = 43.55 THB
British Pound Sterling Thai Baht
1 THB = 0.03 GBP
Last checked on 21 April 2021
Local, one-way ticket

Trains in Koh Samui are 18% cheaper than in London.

Koh Samui
Mid-priced restaurant

A meal in Koh Samui is 88% cheaper than a meal in London.

Koh Samui
Standard daytime start rate

A taxi fare in Koh Samui is 68% cheaper than in London.

Koh Samui
Regular cappuccino

Coffee in Koh Samui is 43% cheaper than in London.

Koh Samui
London airports
  • ( Heathrow (LHR)
    How far from city centre: 14 miles
  • ( Gatwick (LGW)
    How far from city centre: 25 miles
  • ( Stansted (STN)
    How far from city centre: 30 miles
  • ( Luton International (LTN)
    How far from city centre: 27 miles
  • ( Southend (SEN)
    How far from city centre: 35 miles
  • ( London City (LCY)
    How far from city centre: 7 miles
Koh Samui airports
  • ( Ko Samui Airport (USM)
    How far from city centre: 2 miles
K Distance: 6135 miles

Search for flights from London to Koh Samui

Useful information for the flight from London to Koh Samui

How long is the flight from London to Koh Samui?

There are no direct flights from London to Koh Samui. Plane trips from London to the island usually involve one stop and will last around 16 to 17 hours. Some airfares and tickets include more than one stop, changing the flight path. Thus, the flight duration will also increase and can reach up to 18 hours or more, inclusive of layovers.

What are the most common stopovers?

The most common stopovers are Kuala Lumpur, Singapore, and Bangkok, before planes continue to Koh Samui. Helsinki and Amsterdam are typical layovers in Europe.

What documentation do I need to fly to Koh Samui from London?

British passport holders do not need a visa to enter Thailand for stays of 30 days or fewer. Passports must be valid for at least six months following your trip. Immigration authorities may also ask for proof of onward travel such as a return ticket and evidence of adequate finances.

Is there a time change from London to Koh Samui?

Koh Samui is GMT+7. The island is seven hours ahead of London time.

Which airlines fly from London to Koh Samui?

Several airlines offer departures from London to Koh Samui:

  • Malaysia Airlines, the national carrier of Malaysia. Its main hub is the Kuala Lumpur International Airport.
  • Singapore Airlines, airline of Singapore.
  • Finn Air, the largest airline of Finland.
  • Qantas Airways, Australian airline and the third-oldest in the world.
  • KLM Royal Dutch Airlines, airline of the Netherlands and headquartered in Amstelveen.

How to find cheap flights from London to Koh Samui

The powerful search engine Opodo trawls the net for great deals on city breaks and holidays in Koh Samui. Simply type in your intended destination, departure city, dates, and number of passengers. The results will be displayed showing the best combination of airfares, timing, and prices. To narrow down the results, apply filters that will eliminate flights that do not fall within your search criteria, such as stopovers or choices of airports.

When are the best times to fly from London to Koh Samui?

  • February and March are the driest and sunniest months, ideal for beach holidays.
  • October and November are the cheapest time to go to Koh Samui, during the rainy season. Pack an umbrella and take advantage of cheap tickets.

Airports in London

Flights from London to Koh Samui leave from Heathrow or Gatwick airports.

Useful Information about Heathrow Airport

Heathrow Airport is the UK's busiest airport, with numerous international and domestic flights. It is 15 miles west of London.

How to get to the airport:

  • By train – 15 minutes on the Heathrow Express from Paddington Station, or use the Piccadilly line on the Tube, closer to 45 minutes.
  • By taxi – 50 minutes or more depending on the flow of traffic.
  • By bus – National Express coaches are available from Victoria Coach or Hammersmith stations.

Services: free Wi-Fi, lounges, restaurants and bars, duty-free shopping, ATM and currency exchange, concierge, showers, chapel, VIP services, and family facilities.

Useful Information about Gatwick Airport

Gatwick Airport is near Crawley in West Sussex and about 30 miles southwest of London.

How to get to the airport:

  • By train – hop on the Gatwick Express from London Bridge or Victoria Station.
  • By taxi – estimate at least 1.5 hours of travel time during rush hours.
  • By bus – National Express coach coaches have different pick-up points in London.

Services: 90 minutes free Wi-Fi, restaurants and cafes, lounges, duty-free shops, currency exchange, sensory room, chapel and prayer room, and family facilities.

Airports in Koh Samui

The main airport in Koh Samui is the Samui International Airport (USM).

Useful Information about the Samui International Airport

The airport is just over a mile from the village of Chaweng.

How to get to Chaweng from the airport:

  • · By taxi – journey lasts 10 to 15 minutes but could reach up to 20 minutes during rush hour.
  • · By shared minivan – at least half an hour, with a wait for fellow passengers.

Services: open from 6am to 10pm, Wi-Fi available inside lounges, duty-free shops, restaurants and coffee shops, and a spa.

What to do and visit in Koh Samui

  • Go on a trip to Na Duang Waterfalls and swim in the large pool at its base.
  • Rent a scooter and head up to the View Point for the best views of the island.
  • Visit the Wat Plae Laem, a stunning Buddhist temple and look for the colourful statue of the Buddhist bodhisatvva of compassion.
  • Soak up some sun on the white sandy beaches of Fisherman’s Village.
  • Stop by the Wat Racha Thammaram or the Snake Stone Temple and admire the collection of stupas and bas-relief designs.
  • Climb up to the Lad Koh Viewpoint for outstanding vistas of the Gulf of Thailand.
  • Swim, snorkel, or kayak in Ko Taen, a lovely island that is part of the Samui archipelago.
  • Relax at the Secret Buddha Garden located on top of a lush hilltop.

Frequent asked questions about flights from London to Koh Samui

😷 Is it safe to travel from London to Koh Samui during the Covid-19 situation?
At Opodo we want to make sure that your travel plans are not affected by any cancelation as well as any possible restrictions Thailand may apply when travelling from London. Is your flight cancelled? We've got your back! With our flexible ticket guarantee you can decide if you want to book another flight - free of rebooking fee - or get a full refund!
🔍 How can I find cheap flights from London to Koh Samui at Opodo?
The cheapest price for a flight from London to Koh Samui is 517£. At Opodo we use different machine learned based methodologies to find our costumers the best option available, considering airline combinations, stopovers and direct flights as well as different criteria for inbound and outbound journeys.
💰 Is Koh Samui expensive to visit compared to London?
If you compare transportation prices, the taxi ride in Koh Samui costs an average of 1.00 GBP, 62% cheaper than London, with a fare of 2.60 GBP, while train tickets costs 16% less in Koh Samui: 2.35 GBP against 2.80 GBP in London. If you compare the price of a lunch meal, however, you can find it from 1.88 GBP in Koh Samui, 87% less than the 15.00 GBP in London. The price of the coffee is around 42% cheaper in Koh Samui, with an average of 1.71 GBP, while in London the coffee costs 2.93 GBP.
📉 When is the best time to book a flight from London to Koh Samui?
The most popular months to book a trip from London to Koh Samui are April, October and December, based on the searches of our customers.
📅 When is the best time to travel from London to Koh Samui?
The best time of the year to go to Koh Samui when flying from London depends on several preference factors like climate, seasonality and, of course, price. When it comes to popularity, December is the top 1º month to fly to Koh Samui from London in terms of searches from our customer, followed by April and February. If you prefer to avoid high peaks of turism, however, and escape a crowded period, October, June and November are the months with less volume of searchs for the route London -  Koh Samui.
🕑 How long does the flight take to go from London to Koh Samui?
The total flight time between London and Koh Samui is of around 13:05 hours on average, considering an average distance of 10,333 km, for both direct and indirect flights for the route (which may have 1 or more stops in other cities in between).
🛄 Which airports have flights between London and Koh Samui?
The main airport route flying between London and Koh Samui is: null (null) to null (null). This route is covered by the following airline(s):
Airlines with indirect flights from London to Koh Samui are:
  • Singapore Airlines, with 125 minutes scale in Singapore.
  • Singapore Airlines, with 125 minutes scale in Singapore.
Other popular routes

Other city destinations

Our International travel websites