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Cheap flights from London Heathrow Airport to Ko Samui from £371

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Ko Samui departing on 19/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from London Heathrow Airport to Ko Samui

Cheap return flights

KAYAK's recommended return flight deals from the most popular airlines that fly from London Heathrow Airport to Ko Samui.
 Logo
14:40 - 18:30LHR-USM
21h 50m2 stops
 Logo
07:00 - 07:30USM-LHR
30h 30m2 stops
Tue, 13 May - Tue, 20 May
 Logo
14:40 - 17:45LHR-USM
21h 05m2 stops
 Logo
07:00 - 07:30USM-LHR
30h 30m2 stops
Tue, 13 May - Tue, 20 May
EVA Air Logo
21:35 - 20:30LHR-USM
16h 55m1 stop
EVA Air Logo
08:00 - 19:20USM-LHR
17h 20m1 stop
£763EVA Air
Find Deal
Tue, 13 May - Tue, 20 May
EVA Air Logo
21:35 - 18:30LHR-USM
14h 55m1 stop
EVA Air Logo
08:45 - 19:20USM-LHR
16h 35m1 stop
£777EVA Air
Find Deal
Thu, 24 Apr - Thu, 22 May
Thai Airways Logo
12:30 - 20:50LHR-USM
26h 20m1 stop
Thai Airways Logo
19:15 - 19:10USM-LHR
29h 55m1 stop
£803Thai Airways
Find Deal
Fri, 22 Aug - Sun, 7 Sep
Etihad Airways Logo
21:45 - 07:35LHR-USM
27h 50m2 stops
Etihad Airways Logo
19:30 - 12:45USM-LHR
23h 15m2 stops
£804Etihad Airways
Find Deal
Thu, 8 May - Sun, 18 May
Thai Airways Logo
12:30 - 08:35LHR-USM
14h 05m1 stop
Thai Airways Logo
18:55 - 19:10USM-LHR
30h 15m1 stop
£806Thai Airways
Find Deal
Sat, 23 Aug - Sun, 7 Sep
Singapore Airlines Logo
11:25 - 18:30LHR-USM
25h 05m1 stop
Singapore Airlines Logo
08:45 - 15:45USM-LHR
37h 00m1 stop
£808Singapore Airlines
Find Deal
Tue, 6 May - Fri, 6 Jun
Singapore Airlines Logo
09:25 - 07:50LHR-USM
16h 25m1 stop
Singapore Airlines Logo
08:45 - 15:45USM-LHR
37h 00m1 stop
£809Singapore Airlines
Find Deal
Thu, 15 May - Tue, 20 May
Etihad Airways Logo
21:45 - 21:35LHR-USM
17h 50m2 stops
Etihad Airways Logo
19:10 - 12:45USM-LHR
23h 35m2 stops
£832Etihad Airways
Find Deal
Wed, 4 Jun - Thu, 19 Jun

KLM flights from London Heathrow Airport to Ko Samui

Our best KLM deals on London Heathrow Airport to Ko Samui flight tickets
KLM
28 Apr
LHR17:10London Heathrow
22h 00m
2 stops
USM21:10Ko Samui
26 May
USM16:25Ko Samui
24h 20m
2 stops
LHR10:45London Heathrow
KLM
7 May
LHR14:45London Heathrow
21h 30m
2 stops
USM18:15Ko Samui
18 May
USM10:55Ko Samui
28h 05m
2 stops
LHR09:00London Heathrow
KLM
28 May
LHR11:45London Heathrow
20h 00m
2 stops
USM13:45Ko Samui
2 Jul
USM07:00Ko Samui
19h 55m
2 stops
LHR20:55London Heathrow

Austrian Airlines flights from London Heathrow Airport to Ko Samui

Our best Austrian Airlines deals on London Heathrow Airport to Ko Samui flight tickets
Austrian Airlines
12 Jun
LHR15:00London Heathrow
20h 45m
2 stops
USM17:45Ko Samui
26 Jun
USM19:30Ko Samui
19h 15m
2 stops
LHR08:45London Heathrow
Austrian Airlines
11 Jun
LHR15:05London Heathrow
21h 25m
2 stops
USM18:30Ko Samui
26 Jun
USM19:30Ko Samui
19h 15m
2 stops
LHR08:45London Heathrow
Austrian Airlines
6 Jun
LHR19:30London Heathrow
17h 00m
2 stops
USM18:30Ko Samui
22 Jun
USM19:15Ko Samui
19h 05m
2 stops
LHR08:20London Heathrow

See travel insights to Ko Samui from

How to get the cheapest flight ticket from London Heathrow Airport to Ko 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 to Ko Samui?

The cheapest month to fly to Ko Samui from London Heathrow Airport is in September. Flight prices, which tend to average around £779, are often lower during this time because this is during the off-season. If you don’t want to visit Ko Samui in September, then you should wait until May to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of £806.

What is the cheapest day to depart on your flight to Ko Samui?

According to our data, Wednesday is the cheapest day to fly to Ko Samui from London Heathrow Airport. The lowest ticket price found for a Wednesday departure recently was £504. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Ko Samui on Sunday is £860.

What is the cheapest time of day to depart on your flight to Ko Samui?

Our most recent data shows that the best time of day to fly to Ko Samui is in the afternoon. Flights from London Heathrow Airport to Ko Samui during this time can be as low as £511. Flights at midday are often more expensive, with an average ticket price of £830.

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

You are more likely to see cheaper flights to Ko Samui from London Heathrow Airport when booking 9 weeks ahead of your departure date. In general, you can expect to find flights to Ko Samui for around £919 when searching 9 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ko Samui from London Heathrow Airport for as low as £796 on momondo.

When to book flights from London Heathrow Airport to Ko Samui

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Ko Samui according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Heathrow Airport to Ko Samui (LHR to USM) flight deals and tips

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

Best price found

£371

Fastest flight time

14h 05m

Direct flights

None

Airports in Ko Samui

1 airport
The best one-way flight to Ko Samui from London Heathrow Airport in the past 72 hours is £371. The best return flight deal from London Heathrow Airport to Ko Samui found on momondo in the last 72 hours is £522.
The fastest flight from London Heathrow Airport to Ko Samui takes 14h 05m
There are no direct flights from London Heathrow Airport to Ko Samui. Popular non-direct route for this connection is London Heathrow Airport - Ko Samui Airport.
There is 1 airport near Ko Samui: Ko Samui (USM)

  • How far is London Heathrow to Ko Samui by plane?

    The straight-line distance from London Heathrow to Ko Samui is 6145.4 mi. Flights usually cover this in 14h 05m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from London Heathrow Airport to Ko Samui Airport?

    Prices for flights from London Heathrow Airport to Ko Samui Airport were last updated today.

  • How many operators does momondo search for flights from London Heathrow Airport to Ko Samui Airport?

  • How old do you have to be to fly from London Heathrow Airport to Ko Samui Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to Ko Samui Airport.

  • What documentation or ID do you need to fly to Ko Samui Airport?

    The required travel and health documents for your Ko Samui Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ko Samui Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from London Heathrow Airport to Ko Samui?


Best airlines flying from London Heathrow Airport to Ko Samui

Compare and see reviews for airlines that fly from London Heathrow Airport to Ko Samui with momondo
Airline
Rating
Free Cancellation
Price
Air FrancePriceFrom £611Free CancellationRating
7.4
1,427 reviews
Search Air France flights
KLMPriceFrom £626Free CancellationRating
7.8
1,323 reviews
Search KLM flights
Etihad AirwaysPriceFrom £637Free CancellationRating
7.4
1,184 reviews
Search Etihad Airways flights
EVA AirPriceFrom £732Free CancellationRating
8.4
1,170 reviews
Search EVA Air flights
Singapore AirlinesPriceFrom £734Free CancellationRating
8.1
1,287 reviews
Search Singapore Airlines flights
Austrian AirlinesPriceFrom £743Free CancellationRating
7.5
771 reviews
Search Austrian Airlines flights
British AirwaysPriceFrom £747Free CancellationRating
6.6
6,718 reviews
Search British Airways flights
Thai AirwaysPriceFrom £801Free CancellationRating
7.8
319 reviews
Search Thai Airways flights
Qatar AirwaysPriceFrom £821Free CancellationRating
7.4
3,542 reviews
Search Qatar Airways flights

Travelling to a place near Ko Samui?

Book flights to Ko Samui if you plan to visit one of these locations
Ko Tao
Ko Pha Ngan
Khanom

Why use momondo?

Why should I use momondo to find a flight deal from London to Ko Samui?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Ko Samui for you.

Can I find flights from London to Ko Samui with flexible booking policies on momondo?

momondo does allow users to show only those flights to Ko Samui from London which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from London to Ko Samui?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Ko Samui.

I’m not ready to book a flight from London to Ko Samui right now. Can momondo alert me if prices change?

If you are not ready to book a flight from London to Ko Samui now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ko Samui and let you know when they change.


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