Book Flights from London to Ko Samui with Thai Airways from GBP957

Promotion Code

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

Sep 2026
FromGBP1,059*
Updated: 6 hours ago
Flight Type Round Trip/Economy
Oct 2026
FromGBP1,004*
Updated: 6 hours ago
Flight Type Round Trip/Economy
Nov 2026
FromGBP1,004*
Updated: 6 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 GBP1.6K
Displaying fares for September-2026
  • LHR–USM, 16/09/2026 – 16/10/2026: From GBP1,594
    16

    We

    SEP

  • LHR–USM, 17/09/2026 – 15/10/2026: From GBP1,494
    17

    Th

  • LHR–USM, 18/09/2026 – 18/10/2026: From GBP1,384
    18

    Fr

  • LHR–USM, 19/09/2026 – 18/10/2026: From GBP1,059
    19

    Sa

  • LHR–USM, 20/09/2026 – 20/10/2026: From GBP1,059
    20

    Su

  • LHR–USM, 21/09/2026 – 21/10/2026: From GBP1,059
    21

    Mo

  • LHR–USM, 22/09/2026 – 22/10/2026: From GBP1,059
    22

    Tu

  • LHR–USM, 23/09/2026 – 22/10/2026: From GBP1,384
    23

    We

  • LHR–USM, 24/09/2026 – 22/10/2026: From GBP1,384
    24

    Th

  • LHR–USM, 25/09/2026 – 24/10/2026: From GBP1,059
    25

    Fr

  • LHR–USM, 26/09/2026 – 24/10/2026: From GBP1,059
    26

    Sa

  • LHR–USM, 27/09/2026 – 26/10/2026: From GBP1,094
    27

    Su

  • LHR–USM, 28/09/2026 – 26/10/2026: From GBP1,094
    28

    Mo

  • LHR–USM, 29/09/2026 – 14/10/2026: From GBP1,094
    29

    Tu

  • LHR–USM, 30/09/2026 – 13/10/2026: From GBP1,364
    30

    We

  • LHR–USM, 01/10/2026 – 14/10/2026: From GBP1,379
    01

    Th

    OCT

  • LHR–USM, 02/10/2026 – 15/10/2026: From GBP1,094
    02

    Fr

  • LHR–USM, 03/10/2026 – 18/10/2026: From GBP1,059
    03

    Sa

  • LHR–USM, 04/10/2026 – 19/10/2026: From GBP1,059
    04

    Su

  • LHR–USM, 05/10/2026 – 03/11/2026: From GBP1,024
    05

    Mo

  • LHR–USM, 06/10/2026 – 05/11/2026: From GBP1,024
    06

    Tu

  • LHR–USM, 07/10/2026 – 18/10/2026: From GBP1,004
    07

    We

  • LHR–USM, 08/10/2026 – 22/10/2026: From GBP1,024
    08

    Th

  • LHR–USM, 09/10/2026 – 21/10/2026: From GBP1,324
    09

    Fr

  • LHR–USM, 10/10/2026 – 23/10/2026: From GBP1,054
    10

    Sa

  • LHR–USM, 11/10/2026 – 20/10/2026: From GBP1,054
    11

    Su

  • LHR–USM, 12/10/2026 – 05/11/2026: From GBP1,024
    12

    Mo

  • LHR–USM, 13/10/2026 – 10/11/2026: From GBP1,024
    13

    Tu

  • LHR–USM, 14/10/2026 – 24/10/2026: From GBP1,024
    14

    We

  • LHR–USM, 15/10/2026 – 18/10/2026: From GBP1,324
    15

    Th

    • RangeGBP1,004-GBP1,594

    *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    		01/05/2027 - 10/05/2027

    From

    GBP957

    Updated: 6 hours ago

    London (LHR)Ko Samui (USM)​Round trip
    /
    Economy    		01/05/2027 - 13/05/2027

    From

    GBP957

    Updated: 6 hours ago

    London (LHR)Ko Samui (USM)​Round trip
    /
    Economy    		11/06/2027 - 23/06/2027

    From

    GBP957

    Updated: 6 hours ago

    London (LHR)Ko Samui (USM)​Round trip
    /
    Economy    		02/05/2027 - 13/05/2027

    From

    GBP957

    Updated: 6 hours ago

    London (LHR)Ko Samui (USM)​Round trip
    /
    Economy    		02/05/2027 - 16/05/2027

    From

    GBP957

    Updated: 6 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