Cheap flights from London to Ko Samui

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The best prices from London to Ko Samui are usually found in May or September, booked 13 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Return
Economy
Thu 3/12
Thu 10/12
From
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To
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Leaving on
Thu 3/12
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To
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To
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To
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Depart
Time
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From
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To
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Leaving on
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How to find the cheapest flight from
London (LON) to Ko Samui (USM)

LON - USM
Price
£587 - £1,010

Popular in

December

High demand for flights, 33% potential price rise

Cheapest in

May

Best time to find cheap flights, 13% potential price drop

Average price

£602

Average for round-trip flights in November 2020

Round-trip from

£587

From London to Ko Samui

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly return from London to Ko Samui?

Thursday flights are found to be more expensive to fly from London to Ko Samui. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Ko Samui.

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

Find a great deal and save up to 0% by booking at least 13 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from London to Ko Samui within the next two weeks, with the cheapest ticket starting at £661.

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

The best pricing can be found in the month of May. Prices to Ko Samui from London average £675. You can even find prices in May for less than £675, as users have found deals to Ko Samui from as low as £519. The month of December appears to be one of the more expensive times to travel to Ko Samui from London. Flying in the targeted month can save you up to 49%.

When is the cheapest time to fly from London to Ko Samui (LON - USM)?

It’s optimal to fly from London to Ko Samui at midday. By choosing this option you can save up to 12% on the cost of your flight, compared to a flight in the morning.

Cheap flights from London to Ko Samui in November, December 2020

The best prices found for LON to USM flights in November, December
20 Dec - 3 Jan
£538pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
USM
Koh Samui
USM
Koh Samui
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
24 Dec - 28 Feb
£546pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
USM
Koh Samui
USM
Koh Samui
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
19 Dec - 8 Jan
£587pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
USM
Koh Samui
USM
Koh Samui
Multiple Airlines
   
2 STOPS
LHR
London Heathrow

London to Ko Samui 2021 flight deals

Cheap flights to Ko Samui from London found for next year
20 Dec - 3 Jan
£538pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
USM
Koh Samui
USM
Koh Samui
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
24 Dec - 28 Feb
£546pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
USM
Koh Samui
USM
Koh Samui
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
19 Dec - 8 Jan
£587pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
USM
Koh Samui
USM
Koh Samui
Multiple Airlines
   
2 STOPS
LHR
London Heathrow

Related info for your journey

Useful info, stats and facts about London to Ko Samui flights.

Flight FAQs

From London to Ko Samui

Are flight prices decreasing from London to Koh Samui due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both London and Koh Samui for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from London to Koh Samui to control the spread of COVID-19?

New policies can now be found on Etihad Airways to help keep travellers safe while flying. Airline carriers are regularly disinfecting and sanitising their aircraft. Masks are provided and are mandatory while on board. Pre-flight testing for symptoms and antibodies, alongside socially-distanced seating (for a limited time) will work towards keeping travellers safer while flying from London to Koh Samui. Policies will vary by airline.

Which airlines flying from London to Koh Samui have flexible cancellations due to COVID-19?

Some of our airline partners flying from London to Koh Samui have new flexible policies in place due to COVID-19. British Airways, Qatar Airways, and Emirates are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like British Airways with this kind of flexibility.

Can I find flights from London to Ko Samui for under £599 on Cheapflights?

Yes, there are multiple flights from London to Ko Samui for under £599. The cheapest flight booked recently is on Multiple Airlines for just £532, but on average you can expect to pay £552.

Are there direct flights from London to Ko Samui for under £524 on Cheapflights?

There are no direct flights from London to Ko Samui, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Is London weather warmer or cooler than Koh Samui?

Expect the weather to be around 33 °C on average in May. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in Koh Samui is generally hotter than in London.

How long does is the flight from London to Ko Samui?

A quick flight from London to Ko Samui can take about 14h 40m. British Airways provides one of the quickest options available for as low as £634. Both multi-stop and direct flights can be found to your destination and back.

What is the cheapest airline to fly from London to Ko Samui return?

Cheapflights users have booked flights from London to Ko Samui from £574 return. This flight start at 14% lower than the current average price 3 months from now.

Alternative routes for London to Ko Samui

Destination information for Ko Samui

Things to know before you go. Useful info for your trip from London to Ko Samui
Today's exchange rate
£1 = ฿40.48

Airports servicing London

Gatwick (LGW)
City (LCY)
Stansted (STN)
Luton (LTN)
Southend (SEN)

Airports servicing Koh Samui

Top 10 airlines from London to Ko Samui

The chart below displays the airlines Cheapflights users travelling from London to Ko Samui choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.

Airline Cheapest Average Flexibility On-time COVID-19 safety
Etihad Airways
£687 £771 No change fee 75%
Search Etihad Airways flights
Singapore Airlines
£667 £820 No change fee 81%
Search Singapore Airlines flights
Emirates
£699 £835 No cancel fee 75%
Search Emirates flights
KLM
£617 £840 No change fee 75%
Search KLM flights
EVA Air
£722 £908 N/A 74%
Search EVA Air flights
British Airways
£741 £982 No cancel fee 70%
Search British Airways flights
Qantas Airways
£719 £1,005 No change fee 74%
Search Qantas Airways flights
Qatar Airways
£700 £1,019 No cancel fee 68%
Search Qatar Airways flights
Air France
£757 £1,068 No change fee 77%
Search Air France flights
Malaysia Airlines
£803 £1,070 No cancel fee 67%
Search Malaysia Airlines flights
Home Asia Thailand Koh Samui Ko Samui Cheap flights from London to Ko Samui
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