Book Flights from London to Ko Samui with Thai Airways from GBP958

Promotion Code

Find the Best Time and Daily Ticket Prices for London to Ko Samui

Sep 2026
FromGBP1,060*
Updated: 6 hours ago
Flight Type Round Trip/Economy
Oct 2026
FromGBP1,005*
Updated: 6 hours ago
Flight Type Round Trip/Economy
Nov 2026
FromGBP1,004*
Updated: 13 hours ago
Flight Type Round Trip/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label GBP1.0K
cmp-daily-histogram-bars-legend-max-price-aria-label GBP1.5K
Displaying fares for September-2026
  • LHR–USM, 18/09/2026 – 18/10/2026: From GBP1,455
    18

    Fr

    SEP

  • LHR–USM, 19/09/2026 – 19/10/2026: From GBP1,455
    19

    Sa

  • LHR–USM, 20/09/2026 – 18/10/2026: From GBP1,060
    20

    Su

  • LHR–USM, 21/09/2026 – 19/10/2026: From GBP1,060
    21

    Mo

  • LHR–USM, 22/09/2026 – 20/10/2026: From GBP1,455
    22

    Tu

  • LHR–USM, 23/09/2026 – 22/10/2026: From GBP1,385
    23

    We

  • LHR–USM, 24/09/2026 – 21/10/2026: From GBP1,385
    24

    Th

  • LHR–USM, 25/09/2026 – 23/10/2026: From GBP1,325
    25

    Fr

  • LHR–USM, 26/09/2026 – 18/10/2026: From GBP1,060
    26

    Sa

  • LHR–USM, 27/09/2026 – 23/10/2026: From GBP1,060
    27

    Su

  • LHR–USM, 28/09/2026 – 19/10/2026: From GBP1,060
    28

    Mo

  • LHR–USM, 29/09/2026 – 13/10/2026: From GBP1,320
    29

    Tu

  • LHR–USM, 30/09/2026 – 13/10/2026: From GBP1,320
    30

    We

  • LHR–USM, 01/10/2026 – 14/10/2026: From GBP1,380
    01

    Th

    OCT

  • LHR–USM, 02/10/2026 – 18/10/2026: From GBP1,060
    02

    Fr

  • LHR–USM, 03/10/2026 – 18/10/2026: From GBP1,060
    03

    Sa

  • LHR–USM, 04/10/2026 – 02/11/2026: From GBP1,060
    04

    Su

  • LHR–USM, 05/10/2026 – 18/10/2026: From GBP1,005
    05

    Mo

  • LHR–USM, 06/10/2026 – 19/10/2026: From GBP1,005
    06

    Tu

  • LHR–USM, 07/10/2026 – 20/10/2026: From GBP1,005
    07

    We

  • LHR–USM, 08/10/2026 – 19/10/2026: From GBP1,005
    08

    Th

  • LHR–USM, 09/10/2026 – 22/10/2026: From GBP1,270
    09

    Fr

  • LHR–USM, 10/10/2026 – 24/10/2026: From GBP1,270
    10

    Sa

  • LHR–USM, 11/10/2026 – 18/10/2026: From GBP1,055
    11

    Su

  • LHR–USM, 12/10/2026 – 22/10/2026: From GBP1,005
    12

    Mo

  • LHR–USM, 13/10/2026 – 18/10/2026: From GBP1,005
    13

    Tu

  • LHR–USM, 14/10/2026 – 19/10/2026: From GBP1,005
    14

    We

  • LHR–USM, 15/10/2026 – 20/10/2026: From GBP1,270
    15

    Th

  • LHR–USM, 16/10/2026 – 23/10/2026: From GBP1,400
    16

    Fr

  • LHR–USM, 17/10/2026 – 22/10/2026: From GBP1,400
    17

    Sa

    • RangeGBP1,005-GBP1,455

    *Fares and availability are based on round trip searches for 1 passenger (1 adult) in Economy class in the last 48 hours. Fares are inclusive of tax and surcharges, and subject to availability.

    Best Deals for London to Ko Samui Flights on Thai Airways

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    Best Deals for London to Ko Samui Flights on Thai Airways
    From
    To
    Fare Type
    Dates
    Price
    London (LHR)Ko Samui (USM)​Round trip
    /
    Economy    		26/05/2027 - 09/06/2027

    From

    GBP958

    Updated: 13 hours ago

    London (LHR)Ko Samui (USM)​Round trip
    /
    Economy    		08/06/2027 - 09/06/2027

    From

    GBP958

    Updated: 13 hours ago

    London (LHR)Ko Samui (USM)​Round trip
    /
    Economy    		26/05/2027 - 08/06/2027

    From

    GBP958

    Updated: 13 hours ago

    London (LHR)Ko Samui (USM)​Round trip
    /
    Economy    		26/05/2027 - 27/05/2027

    From

    GBP958

    Updated: 13 hours ago

    London (LHR)Ko Samui (USM)​Round trip
    /
    Economy    		28/05/2027 - 29/05/2027

    From

    GBP958

    Updated: 13 hours ago

    *Fares displayed have been collected within the last 24hrs and may no longer be available at the time of booking.

    Popular Business Class Flight Deals from London to Ko Samui

    *Fares displayed have been collected within the last 24hrs and may no longer be available at the time of booking.

    Book Flights from London to Ko Samui with Thai Airways