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*

LHR-USM

London (LHR) to Ko Samui (USM)

31/10/2021-

30/11/2021

GBP862

​Round trip | Economy

LHR-USM

London (LHR) to Ko Samui (USM)

10/11/2021-

20/11/2021

GBP862

​Round trip | Economy

LHR-USM

London (LHR) to Ko Samui (USM)

12/11/2021-

22/11/2021

GBP862

​Round trip | Economy

LHR-USM

London (LHR) to Ko Samui (USM)

02/11/2021-

21/11/2021

GBP862

​Round trip | Economy

LHR-USM

London (LHR) to Ko Samui (USM)

19/11/2021-

28/11/2021

GBP862

​Round trip | Economy

LHR-USM

London (LHR) to Ko Samui (USM)

07/12/2021-

11/01/2022

GBP862

​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

    04/03/2022

    USM-LHR

    18/03/2022

    GBP853

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

Find Flights from London to Ko Samui with Thai Airways