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Cheap Flights from London to Koh Samui

  • London Koh Samui

    Thu, May 21 - Mon, May 25

    From US$743.01
  • London Koh Samui

    Thu, Apr 23 - Thu, Apr 30

    From US$744.85
  • London Koh Samui

    Thu, Apr 23 - Thu, Apr 30

    From US$759.61
  • London Koh Samui

    Thu, Apr 23 - Thu, Apr 30

    From US$760.89
  • London Koh Samui

    Thu, Apr 23 - Thu, Apr 30

    From US$766.99
  • London Koh Samui

    Thu, Apr 23 - Thu, Apr 30

    From US$768.27

Prices shown are for 1 adult ticket including taxes & fees.(As ticket fares can change frequently, these advertised prices are for reference only. The actual prices will be shown at time of booking.)

London to Koh Samui Flight Information

Below are some common questions asked about this flight route:

When can I book the cheapest flight from London to Koh Samui?

Airlines adjust prices for plane tickets based on the day and time that you book your flight. After analyzing data from all airlines, we have discovered that the best days to book flights from London to Koh Samui are Tuesdays, Wednesdays, and Saturdays.

What is the most popular airline for non-stop flights from London to Koh Samui?

provides of the non-stop flights between London and Koh Samui.

How many airports are there in Koh Samui?

There are 1 airports in Koh Samui - Samui International Airport.

Airports at destination:
Flight route:
Price starting from:

London to Koh Samui Flight Schedule

The schedule for flights from London to Koh Samui could not be found. To find all routes between London and Koh Samui, please use the search box above.

London to Samui International Airport (USM)

22:05, Apr 23 - 09:55, Apr 30
SQ | Singapore Airlines
28h 50m
LHR - USM
2 stop
US$828
Round-trip from
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16:10, May 19 - 08:00, May 26
BA | British Airways
16h 35m
LHR - USM
2 stop
US$866
Round-trip from
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21:25, Apr 23 - 09:20, Apr 30
TG | Thai Airways
15h 35m
LHR - USM
2 stop
US$875
Round-trip from
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21:05, Apr 27 - 16:25, May 2
QF | Qantas Airways
18h 0m
LHR - USM
2 stop
US$891
Round-trip from
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21:35, Apr 23 - 07:50, Apr 30
BR | Eva Air
15h 25m
LHR - USM
2 stop
US$992
Round-trip from
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Prices shown are for 1 adult ticket including taxes & fees.(As ticket fares can change frequently, these advertised prices are for reference only. The actual prices will be shown at time of booking.)

Roundtrip vs One-Way Flights from London to Koh Samui

There is usually no major price difference between buying a roundtrip flight versus a one-way flight. Increased flexibility is the main benefit when it comes to buying a one-way flight from London to Koh Samui. However, booking a roundtrip flight is a simpler process. You can compare roundtrip and one-way flights by using our flight comparison tool.

Travel from London to Koh Samui

Koh Samui attracts thousands of visitors every year for both business and pleasure. Planning a trip from London to Koh Samui is easy when you use Trip.com to help you make travel arrangements. With Trip.com, you can search for available flights and hotel rooms, and then make your booking quickly and easily online.

A Trip to Remember

Make your journey from London to Koh Samui a trip to remember when you use Trip.com to review city attractions before you arrive. With a preview of what's available at your destination, you can make any necessary reservations in advance for the best travel experience possible.