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

  1. Home keyboard_arrow_right
  2. Flights keyboard_arrow_right
  3. From London to Ko Samui keyboard_arrow_right

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

  1. LHR-USM

    London (LHR) to Ko Samui (USM)

    12/09/2019-

    23/09/2019

    GBP720

    ​Round trip | Economy

  2. LHR-USM

    London (LHR) to Ko Samui (USM)

    11/09/2019-

    10/10/2019

    GBP720

    ​Round trip | Economy

  3. LHR-USM

    London (LHR) to Ko Samui (USM)

    12/09/2019-

    10/10/2019

    GBP720

    ​Round trip | Economy

  4. LHR-USM

    London (LHR) to Ko Samui (USM)

    14/10/2019-

    13/11/2019

    GBP720

    ​Round trip | Economy

  5. LHR-USM

    London (LHR) to Ko Samui (USM)

    13/10/2019-

    24/10/2019

    GBP730

    ​Round trip | Economy

  6. LHR-USM

    London (LHR) to Ko Samui (USM)

    10/10/2019-

    17/10/2019

    GBP730

    ​Round trip | Economy

*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

    09/02/2020

    LHR-USM

    25/02/2020

    GBP720

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

    ​Round trip | Economy
    LHR-USM

    09/02/2020

    LHR-USM

    10/02/2020

    GBP720

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

    ​Round trip | Economy
    LHR-USM

    22/01/2020

    LHR-USM

    05/02/2020

    GBP720

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

    ​Round trip | Economy
    LHR-USM

    08/05/2020

    LHR-USM

    15/05/2020

    GBP722

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

    ​Round trip | Economy
    LHR-USM

    29/02/2020

    LHR-USM

    24/03/2020

    GBP730

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

    ​Round trip | Economy
    LHR-USM

    08/02/2020

    LHR-USM

    16/02/2020

    GBP740

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

    ​Round trip | Economy
    LHR-USM

    07/02/2020

    LHR-USM

    16/02/2020

    GBP740

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

    ​Round trip | Economy
    LHR-USM

    14/02/2020

    LHR-USM

    25/02/2020

    GBP753

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

    ​Round trip | Economy
    LHR-USM

    15/02/2020

    LHR-USM

    29/02/2020

    GBP783

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

    ​Round trip | Economy
    LHR-USM

    07/04/2020

    LHR-USM

    16/04/2020

    GBP1,084

*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

Sunday heavy intensity rain
30°C 25/08/2019
Monday light rain
29°C 26/08/2019
Tuesday light rain
28°C 27/08/2019
Wednesday light rain
29°C 28/08/2019
Thursday moderate rain
28°C 29/08/2019
Friday heavy intensity rain
26°C 30/08/2019
Saturday heavy intensity rain
28°C 31/08/2019
Generated by: OpenWeatherMap.org

Relevant Thai Airways Routes