Flight Routes from London to Koh Samui

Compare cheap outbound and return flights from London (LON) to Koh Samui (USM) and find the best offer from numerous airlines and travel agencies.

Trip type
Flight distance
9,886 km
Time difference
Airports in London
  1. Heathrow
  2. Gatwick
  3. Stansted
  4. Luton
  5. City
  6. Southend

Flight schedule from London (LON) to Koh Samui (USM)

Select a travel date in the flight schedule for the route from London (LON) to Koh Samui (USM) and compare affordable flight deals.

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Matching outbound flightsLON–USM · 0 of 0
fromto
dep.arr.
durationstopovers
  1. 12 – 18 October 2026
  2. 19 – 25 October 2026
  3. 26 Oct – 1 Nov 2026
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        Tips and tricks to help you find cheap flights from London to Koh Samui

        Favourite airline: Etihad Airways
        61 % of bookings on this flight route are made with Etihad Airways, EVA Airways and Emirates.
        Etihad Airways
        29 %
        EVA Airways
        16 %
        Emirates
        16 %
        Favourite connection: via Abu Dhabi and Bangkok
        The most popular flights on this route are via Abu Dhabi and Bangkok and are booked by 36 % of all travellers.
        Route
        bookings
        2 stopovers Abu Dhabi Bangkok Suvarnabhumi
        27h 25min, from £918
        36 %
        1 stopover Bangkok Suvarnabhumi
        18h 00min, from £1,005
        26 %
        2 stopovers Dubai Bangkok Suvarnabhumi
        31h 25min, from £1,191
        14 %

        Important flight information

        Frequently Asked Questions (FAQ)

        Which airports near Koh Samui are frequently chosen as a destination?
        If you want to travel to Koh Samui, Phuket and Krabi may also be worth considering as destination airports. These airports are frequently checked by users as an alternative. When comparing, consider whether a cheaper flight is really worth a longer onward journey.

        Discover more flights around London and Koh Samui

        Departure airport Airport London (LCY, LGW, LHR, LTN, STN, SEN) (LON)
        Arrival airport Airport Koh Samui (USM)
        Destination country Flights to Thailand
        Departure airport - Destination country London (LCY, LGW, LHR, LTN, STN, SEN) - Thailand
        Alternative routes to Thailand
        Flight destinations with a similar price