Skip to main content
Select journey type

If you’re travelling with infant(s) under two years of age, or your infant turns two during your trip, please contact your local reservations office.

Find Flights from London to Ko Samui with Thai Airways

London (LHR) - Ko Samui (USM) Flight Deals*

*Best fares on flights found by others in the last 48 hours.

Compare Top Offers from London to Ko Samui*

  1. London (LHR) to Ko Samui (USM)

    ​Round trip | Economy
    LHR-USM

    08/02/2021

    USM-LHR

    22/02/2021

    GBP1,072
  2. London (LHR) to Ko Samui (USM)

    ​Round trip | Economy
    LHR-USM

    22/03/2021

    USM-LHR

    05/04/2021

    GBP1,072
  3. London (LHR) to Ko Samui (USM)

    ​Round trip | Economy
    LHR-USM

    13/03/2021

    USM-LHR

    27/03/2021

    GBP1,072
  4. London (LHR) to Ko Samui (USM)

    ​Round trip | Economy
    LHR-USM

    03/05/2021

    USM-LHR

    17/05/2021

    GBP1,074

*Best fares on flights found by others in the last 48 hours.

Find Flights from London to Ko Samui with Thai Airways

Weather in Ko Samui

Thursday light rain
28°C 29/10/2020
Friday moderate rain
28°C 30/10/2020
Saturday moderate rain
28°C 31/10/2020
Sunday moderate rain
28°C 01/11/2020
Monday moderate rain
28°C 02/11/2020
Tuesday light rain
28°C 03/11/2020
Wednesday light rain
28°C 04/11/2020
Generated by: OpenWeatherMap.org