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Find Flights from London to Chiang Mai with Thai Airways

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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.

London (LHR) - Chiang Mai (CNX) Flight Deals*

LHR-CNX

London (LHR) to Chiang Mai (CNX)

14/03/2022-

11/04/2022

GBP671

​Round trip|Economy

LHR-CNX

London (LHR) to Chiang Mai (CNX)

07/03/2022-

25/03/2022

GBP672

​Round trip|Economy

LHR-CNX

London (LHR) to Chiang Mai (CNX)

01/03/2022-

30/04/2022

GBP672

​Round trip|Economy

LHR-CNX

London (LHR) to Chiang Mai (CNX)

17/03/2022-

16/04/2022

GBP878

​Round trip|Economy

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

Compare Top Offers from London to Chiang Mai*

  1. London (LHR) to Chiang Mai (CNX)

    ​Round trip|Economy
    LHR-CNX

    16/07/2022

    CNX-LHR

    06/08/2022

    GBP728

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

Find Flights from London to Chiang Mai with Thai Airways