Book Flights from London to Chiang Mai with Thai Airways from GBP837

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Find the Best Time and Daily Ticket Prices for London to Chiang Mai

Nov 2026
FromGBP946*
Updated: 3 hours ago
Flight Type Round Trip/Economy
Dec 2026
FromGBP946*
Updated: 3 hours ago
Flight Type Round Trip/Economy
Jan 2027
FromGBP969*
Updated: 15 hours ago
Flight Type Round Trip/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label GBP946
cmp-daily-histogram-bars-legend-max-price-aria-label GBP1.7K
Displaying fares for November-2026
  • LHR–CNX, 06/11/2026 – 19/11/2026: From GBP947
    06

    Fr

    NOV

  • LHR–CNX, 07/11/2026 – 14/11/2026: From GBP993
    07

    Sa

  • LHR–CNX, 08/11/2026 – 06/12/2026: From GBP946
    08

    Su

  • LHR–CNX, 09/11/2026 – 17/11/2026: From GBP947
    09

    Mo

  • LHR–CNX, 10/11/2026 – 05/12/2026: From GBP947
    10

    Tu

  • LHR–CNX, 11/11/2026 – 16/11/2026: From GBP993
    11

    We

  • LHR–CNX, 12/11/2026 – 06/12/2026: From GBP993
    12

    Th

  • LHR–CNX, 13/11/2026 – 24/11/2026: From GBP993
    13

    Fr

  • LHR–CNX, 14/11/2026 – 22/11/2026: From GBP947
    14

    Sa

  • LHR–CNX, 15/11/2026 – 09/12/2026: From GBP947
    15

    Su

  • LHR–CNX, 16/11/2026 – 23/11/2026: From GBP947
    16

    Mo

  • LHR–CNX, 17/11/2026 – 04/12/2026: From GBP993
    17

    Tu

  • LHR–CNX, 18/11/2026 – 18/12/2026: From GBP993
    18

    We

  • LHR–CNX, 19/11/2026 – 15/12/2026: From GBP992
    19

    Th

  • LHR–CNX, 20/11/2026 – 03/12/2026: From GBP1,036
    20

    Fr

  • LHR–CNX, 21/11/2026 – 16/12/2026: From GBP1,261
    21

    Sa

  • LHR–CNX, 22/11/2026 – 15/12/2026: From GBP1,674
    22

    Su

  • LHR–CNX, 23/11/2026 – 30/11/2026: From GBP1,261
    23

    Mo

  • LHR–CNX, 24/11/2026 – 13/12/2026: From GBP993
    24

    Tu

  • LHR–CNX, 25/11/2026 – 21/12/2026: From GBP947
    25

    We

  • LHR–CNX, 26/11/2026 – 23/12/2026: From GBP947
    26

    Th

  • LHR–CNX, 27/11/2026 – 05/12/2026: From GBP947
    27

    Fr

  • LHR–CNX, 28/11/2026 – 04/12/2026: From GBP946
    28

    Sa

  • LHR–CNX, 29/11/2026 – 14/12/2026: From GBP947
    29

    Su

  • LHR–CNX, 30/11/2026 – 24/12/2026: From GBP947
    30

    Mo

  • LHR–CNX, 01/12/2026 – 07/12/2026: From GBP947
    01

    Tu

    DEC

  • LHR–CNX, 02/12/2026 – 24/12/2026: From GBP947
    02

    We

  • LHR–CNX, 03/12/2026 – 04/12/2026: From GBP993
    03

    Th

  • LHR–CNX, 04/12/2026 – 22/12/2026: From GBP993
    04

    Fr

  • LHR–CNX, 05/12/2026 – 19/12/2026: From GBP947
    05

    Sa

    • RangeGBP946-GBP1,674

    *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 Chiang Mai Flights on Thai Airways

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    Best Deals for London to Chiang Mai Flights on Thai Airways
    From
    To
    Fare Type
    Dates
    Price
    London (LHR)Chiang Mai (CNX)​Round trip
    /
    Economy    		09/05/2027 - 21/05/2027

    From

    GBP837

    Updated: 15 hours ago

    London (LHR)Chiang Mai (CNX)​Round trip
    /
    Economy    		24/05/2027 - 05/06/2027

    From

    GBP837

    Updated: 15 hours ago

    London (LHR)Chiang Mai (CNX)​Round trip
    /
    Economy    		04/06/2027 - 16/06/2027

    From

    GBP837

    Updated: 15 hours ago

    London (LHR)Chiang Mai (CNX)​Round trip
    /
    Economy    		09/06/2027 - 21/06/2027

    From

    GBP837

    Updated: 15 hours ago

    London (LHR)Chiang Mai (CNX)​Round trip
    /
    Economy    		16/06/2027 - 28/06/2027

    From

    GBP837

    Updated: 15 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 Chiang Mai

    *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 Chiang Mai with Thai Airways