LON - USM

฿12,291 Find Cheap Flights from London to Ko Samui – Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from London to Ko Samui departing on 7/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return fare
฿30,997
Multiple Airlines
Fri 11/9Tue 22/9
LTN - USM • 3 stops
Cheapest one-way flight
฿12,291
Multiple Airlines
Mon 7/9
STN - USM • 3 stops
Direct flights
Not available
There are currently no direct flights between London and Ko Samui. You’ll need at least 1 connection.
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Avoid delays
Best time • Fewest delays
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When to book
in advance
Our data shows that travellers who book at least 2 weeks in advance save around 21% compared to booking last minute.
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Insights
When to travel
Cheapest • 14% price drop
Most popular
Good to know
Good to know
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We hope you love your trip to Ko Samui!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from London to Ko Samui (LON-USM)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from London to Ko Samui that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from London to Ko Samui

Fri 11 Sep - Tue 22 Sep
Multiple Airlines Logo
05:40 - 20:25
LTN
-
USM
32h 45m
3 stops
Multiple Airlines Logo
19:00 - 22:10
USM
-
LTN
33h 10m
3 stops
฿30,997Multiple Airlines
Wed 9 Sep - Wed 16 Sep
Multiple Airlines Logo
12:35 - 16:35
LGW
-
USM
22h 00m
2 stops
Multiple Airlines Logo
06:00 - 07:55
USM
-
LGW
31h 55m
3 stops
฿30,997Multiple Airlines
Tue 8 Sep - Tue 15 Sep
Multiple Airlines Logo
07:55 - 21:35
STN
-
USM
31h 40m
3 stops
Multiple Airlines Logo
06:00 - 23:20
USM
-
STN
23h 20m
3 stops
฿30,997Multiple Airlines
Mon 7 Sep - Sun 20 Sep
Multiple Airlines Logo
12:35 - 16:50
LGW
-
USM
22h 15m
2 stops
Multiple Airlines Logo
06:00 - 07:55
USM
-
LGW
31h 55m
3 stops
฿31,030Multiple Airlines
Wed 2 Sep - Mon 28 Sep
Multiple Airlines Logo
07:25 - 16:35
STN
-
USM
27h 10m
3 stops
Multiple Airlines Logo
08:40 - 23:35
USM
-
STN
44h 55m
3 stops
฿31,030Multiple Airlines
Tue 8 Sep - Tue 15 Sep
Multiple Airlines Logo
08:30 - 14:40
STN
-
USM
24h 10m
3 stops
Multiple Airlines Logo
06:00 - 23:20
USM
-
STN
23h 20m
3 stops
฿31,064Multiple Airlines
Fri 11 Sep - Tue 22 Sep
Multiple Airlines Logo
05:40 - 20:25
LTN
-
USM
32h 45m
3 stops
Multiple Airlines Logo
19:00 - 22:10
USM
-
LTN
33h 10m
3 stops
฿31,097Multiple Airlines
Mon 14 Sep - Thu 17 Sep
Multiple Airlines Logo
12:35 - 17:05
LGW
-
USM
22h 30m
2 stops
Multiple Airlines Logo
06:00 - 08:20
USM
-
LGW
32h 20m
3 stops
฿31,097Multiple Airlines
Mon 19 Oct - Tue 3 Nov
Multiple Airlines Logo
12:00 - 20:25
LGW
-
USM
26h 25m
3 stops
Multiple Airlines Logo
12:00 - 06:30
USM
-
LGW
25h 30m
2 stops
฿31,164Multiple Airlines
Thu 10 Sep - Thu 17 Sep
Multiple Airlines Logo
10:00 - 12:45
LHR
-
USM
20h 45m
2 stops
Multiple Airlines Logo
15:50 - 06:55
USM
-
LHR
21h 05m
2 stops
฿31,164Multiple Airlines
Booking Insights

KAYAK's insights & trends for London to Ko Samui flights

Get data-powered insights and trends into flights from London to Ko Samui to help you find the cheapest flights, the best time to fly and much more.

How much is a return flight from London to Ko Samui?

This analysis is based on the cheapest return trip price found on KAYAK in the last 12 months by searching for a flight from London to Ko Samui departing in September.

Flight prices are below average for this route right now.

Flights to Ko Samui from London usually cost between ฿37,075 and ฿50,676 in September.
The lowest price found in the past 5 days was ฿30,996 on Multiple Airlines (9 Sep–16 Sep).

What is the cheapest month to fly from London to Ko Samui?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from London to Ko Samui, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from London to Ko Samui is November, where tickets cost ฿35,765 (return) on average. On the other hand, the most expensive months are December and July, where the average cost of round-trip tickets is ฿60,784 and ฿44,429 respectively.

How far in advance should I book a flight from London to Ko Samui?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from London to Ko Samui, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from London to Ko Samui, you should book around 2 weeks before departure, which saves you about 21% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 15 weeks before departure.

Good to know

Low season

November

Cheapest flight

฿12,291
Best time to beat the crowds (14% less expensive on average)
Most popular time to fly and prices are also 5% lower on average.
Flight from London Stansted Airport to Ko Samui

When to book flights from London to Ko Samui

Are your dates flexible? Find out the best times to travel from London to Ko Samui based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from London to Ko Samui

  • Are some flights on this route more carbon efficient than others?

    Thai Airways is a good airline to choose if you're looking to reduce your carbon footprint on your flight from London to Koh Samui. Typically leaving twice daily, just after noon and in the evening, these flights emit as around 35% less CO2 than a standard one. This is a one-stop route that takes around 14-16 hours. You'll stop at Bangkok Suvarnabhumi Airport (BKK) for about 1 hour to change planes.

  • Do the airports offer limited-mobility assistance?

    All London airports conform to the UK's national accessibility requirements. They are fully wheelchair accessible and also have facilities for travellers with hidden disabilities, like induction loops. Yellow lanyards are available to make it easier for assistance staff to spot you. You can also book personal assistance (at least 48 hours in advance) through your airline or travel agent. Koh Samui Airport is fully wheelchair accessible, with dedicated assistance for people with decreased mobility. Staff are constantly on hand and there's no need to book.

  • Can I hire a car at Koh Samui International Airport?

    About a half dozen of the world's most popular car hire companies have branches at Koh Samui Airport. It's a relatively small airport, so you won't have any trouble spotting these in the Arrivals terminal once you've claimed your luggage and passed through customs. As car stocks are limited, it's wise to book in advance.

  • How do I get from Koh Samui International Airport to the town centre?

    Koh Samui Airport is near the town of Bo Phut, a little way north of the island's main city of Chaweng. If you don't hire a car, your transport options to get to Bo Phut are to catch a taxi or an airport shuttle, both of which take about 10 minutes to make the trip. Getting directly to Chaweng takes roughly the same amount of time using the same transport modes, give or take a couple of minutes.

  • What is the cheapest flight from London to Ko Samui?

    In the last 5 days, the lowest price for a flight from London to Ko Samui was ฿12,291 for a one-way ticket and ฿30,996 for a return.

  • Which airports will I be using when flying from London to Ko Samui?

    London is served by 5 major airports and there is only 1 main airport in Ko Samui. You will leave London from one of these airports: London City, London Gatwick, London Heathrow, London Luton, or London Stansted. You will be arriving at Ko Samui.

  • Which aircraft models fly most regularly from London to Ko Samui?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from London to Ko Samui?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London to Ko Samui.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London to Ko Samui?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ko Samui from London is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from London to Ko Samui?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Ko Samui with an airline and back to London with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London to Ko Samui?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ko Samui from London up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from London to Ko Samui

  • Koh Samui is a resort island off Thailand's coast. To visit mainland cities like Phuket and Bangkok, you can catch one of the dozens of daily flights on Bangkok Airways or Thai AirAsia.
  • If you're flying to Koh Samui with children, Heathrow (LHR) and Gatwick (LGW) are convenient airports. They have supervised Stay & Play areas and Kids' Zones, where youngsters can amuse themselves while waiting for your flight.
  • EVA Air offers one of the more comfortable economy-class flights from London to Koh Samui. You can enjoy on-demand video, with power and USB outlets built into your seat. You'll generally also be served a meal.
  • Koh Samui Airport (USM) is owned and operated by Bangkok Airways, the main local Thailand air carrier. This allows you to easily and inexpensively catch connecting domestic flights to cities in the rest of the country.
  • Choose your London airport based on where you're coming from. Heathrow is on the western outskirts, with Stansted (STN) quite a way north. Gatwick is about 30 minutes south of London, while London City Airport (LCY) is close to Central London.

Everything you need to know for your flight from London to Ko Samui

Information on your arrival and departure airports