The prices shown on this page were available within the last 20 days for the specified periods and should not be considered the final price offered. Please note that availability and prices are subject to change.

Cheapest time to fly from London to Ko Samui

If you’re planning to fly this route soon, keep in mind that the lowest fares are usually available at the end of November. Take advantage of this period to save on your flight tickets and make the most of your trip. Please note that prices may change after your search.

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week: 23 Nov - 29 Nov

Flights from just £629

£805

£753

£629

£676

£1,079

£1,295

£1,048

£951

£984

£801

£944

£876

NovemberDecemberJanuary

Flight Duration17 h and 40 mFlights between London and Ko Samui take, on average, 17 h and 40 m minutes, but the time can vary according to other factors

Cheapest flight£411Cheapest price for a flight between London and Ko Samui found by our customers in the last 72 hours

Origin airportsGatwick Airport, Heathrow Airport, London Stansted Airport, London Luton Airport, London City AirportFor flights from London to Ko Samui

Destination airportSamui AirportFor the route from London to Ko Samui

High seasonMarchAccording to search data from our customers, March is the busiest time to fly from London to Ko Samui

One-way average Price£772The average price for a flight London - Ko Samui at Opodo is £772, based on the price of last 6 months

Best time to bookDecemberAccording to real data July is the most popular time to book a flight to Ko Samui when departing from London

Airlines that fly from London to Ko Samui

Thai Airways International

Exchange rate

1 GBP = 45.21 THB

1 THB = 0.02 GBP

Last checked on Mon 09/11

Distance: 6,135 mi

London airports

Gatwick Airport (LGW)How far from city centre: 25 mi

Heathrow Airport (LHR)How far from city centre: 14 mi

London Stansted Airport (STN)How far from city centre: 30 mi

London Luton Airport (LTN)How far from city centre: 28 mi

London City Airport (LCY)How far from city centre: 8 mi

Ko Samui airports

Samui Airport (USM)How far from city centre: 2 mi

London to Ko Samui flights

All London to Ko Samui flights require a connection and arrive at Samui International Airport (USM). The journey usually takes over 14 hours.

Tickets start from £411.

Departing from London: airports and terminals

Flights to the island depart from London Heathrow (LHR) and London Gatwick (LGW). Heathrow, situated 15 miles west of the city, serves as a primary hub for international departures. You can reach the terminals in approximately 15 minutes via the Heathrow Express from Paddington Station, or take the Piccadilly line for a 45-minute journey. National Express coaches also run from Victoria Coach Station.

Gatwick is located about 30 miles south-west of London near Crawley. The Gatwick Express provides a direct rail link from Victoria Station, while coach services offer various pick-up points across the capital. Both airports provide extensive facilities including lounges, duty-free shopping, and free Wi-Fi to use before your flight.

Arriving in Ko Samui: from the airport to the city

Samui International Airport (USM) is located 1 mile from Chaweng. You can find a taxi stand outside the terminal, with the drive taking between 10 and 20 minutes depending on traffic. Shared minivans are also available, though these journeys take at least 30 minutes as they wait for multiple passengers.

Entry requirements for Ko Samui

British passport holders can enter Thailand without a visa for tourism for up to 30 days. Your passport must have at least 6 months of validity remaining from the date of entry, and you must complete a Thailand Digital Arrival Card (TDAC) before arrival.

Things to do in Ko Samui

You can visit the Wat Plae Laem temple to see the statue of the bodhisattva of compassion or climb to the Lad Koh Viewpoint for vistas across the Gulf of Thailand. The Secret Buddha Garden, hidden on a lush hilltop, provides a quiet escape from the busier coastal areas.

For outdoor activities, the Na Muang Waterfalls feature a large natural pool for swimming, while the nearby island of Ko Taen is a popular spot for snorkelling and kayaking. Many visitors rent a scooter to visit the Snake Stone Temple (Wat Racha Thammaram) or explore the traditional atmosphere of Fisherman’s Village.

Frequently asked questions about flights from London to Ko Samui

On average, how much is the price of a flight from London to Ko Samui?

When you fly from London to Ko Samui the average price is £772. However, this price depends on many other factors such as seasonality or how far in advance the route has been booked.

How can I find cheap flights from London to Ko Samui at Opodo?

The cheapest price for a flight from London to Ko Samui is 411 £. 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.

When is the best time to book a flight from London to Ko Samui?

The most popular months to book a flight from London to Ko Samui are July, December and January, based on the searches of our customers.

When is the best time to travel from London to Ko Samui?

The best time of the year to go to Ko 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 Ko Samui from London in terms of searches from our customer, followed by March and January. If you prefer to avoid high peaks of turism, however, and escape a crowded period, May, April and October are the months with less volume of searchs for the route London - Ko Samui.

How long does the flight take to go from London to Ko Samui?

The total flight time between London and Ko Samui is of around 17 h and 40 m on average, considering an average distance of 6,135.17 mi, 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 Ko Samui?

The main airport route flying between London and Ko Samui is: Gatwick Airport (LHR) to Samui Airport(USM). This route is covered by the following airline(s):

Which are the airlines with flights from London to Ko Samui?

Qatar Airways

Oman Air
Etihad Airways

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