Cheap flights from London to Koh Samui from £306

Return
1 adult
Economy
From?
To?
Wed 29/6
Wed 6/7

Deals available from 900+ travel sites.

Flight information for London to Koh Samui
(LON to USM)

Find info about flight duration, direct flights, and airports for your flight from London to Koh Samui

Best price found

£306

Fastest flight time

14h 20m

Direct flights

None

Airports in Koh Samui

1 airport
The best one-way flight to Koh Samui from London in the past 72 hours is £306. The best return flight deal from London to Koh Samui found on momondo in the last 72 hours is £577.
The fastest flight from London to Koh Samui takes 14h 20m
There are no direct flights from London to Koh Samui. Popular non-direct routes for this connection are London City Airport - Ko Samui Airport, London Gatwick Airport - Ko Samui Airport and London Heathrow Airport - Ko Samui Airport.
There is 1 airport near Koh Samui: Ko Samui (USM)

How to get the cheapest flight ticket from London to Koh Samui

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

November

The cheapest time of year to fly to Koh Samui from London is November. The most expensive is December.

What is the cheapest day to depart London for Koh Samui?

Monday

The cheapest day of the week is usually Monday. The most expensive is usually Saturday.

When is the cheapest time to fly from London to Koh Samui?

in the afternoon

London to Koh Samui flights are approximately 22% more expensive in the morning than in the afternoon

What is the cheapest airline that flies to Koh Samui from London?

Bangkok Airways

Bangkok Airways, British Airways, and Emirates are the most popular carriers operating from London to Koh Samui

What is the cheapest London to Koh Samui flight route?

London Heathrow - Ko Samui

Fly from London Heathrow to Ko Samui for the best London - Koh Samui flight prices

How far in advance should you book London to Koh Samui flights?

46 days before

The cheapest time to buy a flight from London to Koh Samui is approximately 46 days to departure

When travelling from London to Koh Samui, the most popular airport to fly into is Ko Samui Airport. The majority of travellers flying into Ko Samui Airport from London are departing from London Heathrow Airport. When booking your trip to Koh Samui, it is helpful to have an alternative airport to fly out of. Good options for departure airports when travelling to Koh Samui, you can try London Gatwick Airport (in London), London City Airport (in London), or London Stansted Airport (in London). If you are looking for an alternate airport to fly into near Ko Samui Airport, Surat Thani Airport is a great option and is located in Surat Thani. The least expensive flight option from London to Koh Samui will typically be LHR — USM during the month of June with an average price of £577 RT.

London Heathrow Airport (LHR) to Ko Samui Airport (USM)£577
Search Flight Deals
London Gatwick Airport (LGW) to Ko Samui Airport (USM)£704
Search Flight Deals
London City Airport (LCY) to Ko Samui Airport (USM)£730
Search Flight Deals
London Stansted Airport (STN) to Ko Samui Airport (USM)£753
Search Flight Deals
London Luton Airport (LTN) to Ko Samui Airport (USM)£1,283
Search Flight Deals
London Heathrow Airport (LHR) to Surat Thani Airport (URT)£747
Search Flight Deals

Easily compare return flights from London to Koh Samui

Below you can see the best fares for your return flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from London to Koh Samui by changing tabs
Multiple Airlines
11 Sep
LHR11:45London Heathrow
37h 20m
2 stops
USM01:05Ko Samui
20 Sep
USM10:30Ko Samui
33h 10m
2 stops
LHR19:40London Heathrow
EVA Air
13 Sep
LHR17:35London Heathrow
15h 05m
1 stop
USM08:40Ko Samui
13 Oct
USM06:05Ko Samui
15h 20m
1 stop
LHR21:25London Heathrow
Qatar Airways
16 Sep
LGW05:00London Gatwick
19h 25m
2 stops
USM00:25Ko Samui
2 Oct
USM12:10Ko Samui
20h 35m
2 stops
LGW08:45London Gatwick
Emirates
14 Sep
STN17:10London Stansted
29h 25m
2 stops
USM22:35Ko Samui
4 Oct
USM15:40Ko Samui
23h 50m
2 stops
STN15:30London Stansted
KLM
5 Nov
LCY04:40London City
27h 15m
2 stops
USM06:55Ko Samui
5 Dec
USM14:40Ko Samui
20h 10m
2 stops
LCY10:50London City
Multiple Airlines
11 Sep
LHR11:45London Heathrow
41h 25m
2 stops
USM05:10Ko Samui
20 Sep
USM07:00Ko Samui
36h 40m
3 stops
LHR19:40London Heathrow

Find the cheapest one-way flights from London to Koh Samui

If you're looking for one-way flights from London to Koh Samui, view some of our deals below provided by EVA Air and Major Airline
Multiple Airlines
2 Nov
LHR18:15London Heathrow
52h 10m
3 stops
USM22:25Ko Samui
Major Airline
11 Oct
LHR12:40London Heathrow
36h 05m
2 stops
USM00:45Ko Samui
EVA Air
25 Aug
LHR17:35London Heathrow
15h 05m
1 stop
USM08:40Ko Samui

Search last-minute flights to Koh Samui from London

Find and compare return flight prices for your last-minute flight from London to Koh Samui
Multiple Airlines
4 Jul
LHR07:00London Heathrow
26h 25m
2 stops
USM09:25Ko Samui
10 Sep
USM04:00Ko Samui
27h 55m
2 stops
LHR07:55London Heathrow
Emirates
4 Jul
LGW10:30London Gatwick
24h 35m
2 stops
USM11:05Ko Samui
8 Sep
USM12:10Ko Samui
26h 25m
2 stops
LGW14:35London Gatwick
Multiple Airlines
1 Jul
LHR07:00London Heathrow
26h 25m
2 stops
USM09:25Ko Samui
31 Aug
USM10:45Ko Samui
21h 10m
2 stops
LHR07:55London Heathrow
Qantas Airways
1 Jul
LHR17:05London Heathrow
18h 20m
1 stop
USM11:25Ko Samui
31 Aug
USM12:15Ko Samui
20h 20m
1 stop
LHR08:35London Heathrow
Turkish Airlines
29 Jun
LHR14:20London Heathrow
32h 15m
2 stops
USM22:35Ko Samui
6 Jul
USM04:00Ko Samui
31h 50m
2 stops
LHR11:50London Heathrow
Multiple Airlines
30 Jun
LHR15:50London Heathrow
33h 55m
2 stops
USM01:45Ko Samui
25 Jul
USM08:00Ko Samui
25h 05m
2 stops
LHR09:05London Heathrow

Best airlines flying from London to Koh Samui

Compare and see reviews for airlines that fly from London to Koh Samui with momondo
AirlineRatingFree CancellationPrice
Bangkok AirwaysPriceFrom £103Free CancellationRating
8.7
Search Bangkok Airways flights
FinnairPriceFrom £472Free CancellationRating
7.7
Search Finnair flights
KLMPriceFrom £486Free CancellationRating
7.7
Search KLM flights
Etihad AirwaysPriceFrom £538Free CancellationRating
6.7
Search Etihad Airways flights
Qantas AirwaysPriceFrom £587Free CancellationRating
6.5
Search Qantas Airways flights
Cathay PacificPriceFrom £596Free CancellationRating
8.1
Search Cathay Pacific flights
Air FrancePriceFrom £618Free CancellationRating
7.8
Search Air France flights
EmiratesPriceFrom £650Free CancellationRating
8.6
Search Emirates flights
Thai AirwaysPriceFrom £697Free CancellationRating
7.6
Search Thai Airways flights
EVA AirPriceFrom £702Free CancellationRating
8.3
Search EVA Air flights

EVA Air flights from London to Koh Samui

Our best EVA Air deals on London to Koh Samui flight tickets
EVA Air
13 Sep
LHR17:35London Heathrow
15h 05m
1 stop
USM08:40Ko Samui
13 Oct
USM06:05Ko Samui
15h 20m
1 stop
LHR21:25London Heathrow
EVA Air
4 Sep
LHR17:35London Heathrow
16h 15m
1 stop
USM09:50Ko Samui
15 Sep
USM16:20Ko Samui
29h 05m
1 stop
LHR21:25London Heathrow
EVA Air
25 Aug
LHR17:35London Heathrow
15h 05m
1 stop
USM08:40Ko Samui
8 Sep
USM14:20Ko Samui
31h 05m
1 stop
LHR21:25London Heathrow

KLM flights from London to Koh Samui

Our best KLM deals on London to Koh Samui flight tickets
KLM
5 Nov
LCY04:40London City
27h 15m
2 stops
USM06:55Ko Samui
5 Dec
USM14:40Ko Samui
20h 10m
2 stops
LCY10:50London City
KLM
19 Nov
LCY03:40London City
27h 15m
2 stops
USM06:55Ko Samui
3 Dec
USM14:40Ko Samui
28h 40m
2 stops
LCY19:20London City
KLM
18 Sep
LCY09:45London City
21h 50m
2 stops
USM07:35Ko Samui
25 Sep
USM12:15Ko Samui
23h 15m
2 stops
LCY11:30London City

  • Are airlines flying from London to Ko Samui offering flexible cancellation due to COVID-19?

    Some of our partner airlines flying from London to Ko Samui are adapting new policies due to the global impact of COVID-19. Some of the airlines that may be waiving their cancellation fees are Thai Airways, EVA Air, and Cathay Pacific. You can search for the full list of airlines such as Thai Airways that are offering this flexibility.

  • How far is London to Ko Samui by plane?

    London and Ko Samui are 6131.1 mi apart from one another. In terms of flight time, this usually takes a little over 14h 35m.



Alternative routes for London to Koh Samui

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
London to Bangkok Flights
Fastest flight time12h 00m
Cheapest price£413
Manchester to Bangkok Flights
Fastest flight time15h 15m
Cheapest price£450
Birmingham to Bangkok Flights
Fastest flight time15h 35m
Cheapest price£524
London to Phuket City Flights
Fastest flight time16h 30m
Cheapest price£498
Newcastle upon Tyne to Bangkok Flights
Fastest flight time16h 05m
Cheapest price£544
Manchester to Phuket City Flights
Fastest flight time11h 30m
Cheapest price£591
Leeds to Bangkok Flights
Fastest flight time13h 35m
Cheapest price£672
Darlington to Bangkok Flights
Fastest flight time13h 35m
Cheapest price£575
London to Krabi Flights
Fastest flight time16h 15m
Cheapest price£508
Birmingham to Phuket City Flights
Fastest flight time16h 10m
Cheapest price£596

Similar London to Koh Samui flights

Flexible with your destination? Broaden your search and find flights similar to your London to Koh Samui route

Why use momondo?

Finding the right flight to Koh Samui from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Koh Samui quick and easy, saving you time and money.

Yes. All flights to Koh Samui from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

Once you have performed a search for London to Koh Samui flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

Yes momondo offers price alerts on flights to Koh Samui from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


Here's why travellers choose to use momondo
Flexible Travel
momondo understands the need for flexibility and we have a filter specifically for flights with no change fees.
Expert Insights
Data driven insights designed to help you find a great flight deal. From the cheapest time to depart to how far in advance to book.
Price Alerts
Track the price of your preferred flight route and be notified when it changes.