Flight Routes from London Heathrow to Chiang Mai

Trip type

Our cheapest offers for flights from London Heathrow to Chiang Mai

Here you can compare cheap flights from London Heathrow (LHR) to Chiang Mai (CNX) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Chiang Mai. Prices and availability may change at any time.

Flight schedule from London Heathrow (LHR) to Chiang Mai (CNX)

Select a travel date in the flight schedule for the route from London Heathrow (LHR) to Chiang Mai (CNX) and compare affordable flight deals.

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Active filtersnone
Matching outbound flights2 of 2
fromto
dep.arr.
durationstopovers
  1. 24 – 30 August 2026
  2. 31 Aug – 6 Sept 2026
  3. 7 – 13 September 2026
    No flights could be found for the active filters.
    1. LHRCNX
      1 stopover
      1. Air China
    2. LHRCNX
      1 stopover
      1. Air China

      Tips and tricks to help you find cheap flights from London Heathrow to Chiang Mai

      Favourite airline: Turkish Airlines
      The favourite airline for flights from London Heathrow to Chiang Mai is Turkish Airlines.
      Turkish Airlines
      44 %
      Etihad Airways
      19 %
      Thai Airways
      12 %
      Favourite connection: via Istanbul and Bangkok
      The most popular flights on this route are via Istanbul and Bangkok and are booked by 54 % of all travellers.
      Route
      bookings
      2 stopovers Istanbul Bangkok Suvarnabhumi
      19h 45min, from £1,230
      54 %
      2 stopovers Abu Dhabi Bangkok Suvarnabhumi
      29h 25min, from £1,317
      23 %
      1 stopover Bangkok Suvarnabhumi
      29h 20min, from £1,142
      15 %

      Flight information: London Heathrow - Chiang Mai

      Outbound and return from £498.99
      Distance 9025 km
      Departure airport Airport London Heathrow (LHR)
      Arrival airport Airport Chiang Mai (CNX)
      Destination country Flights to Thailand
      City-Code - Arrival airport London - Chiang Mai
      Departure airport - Destination country London Heathrow - Thailand
      Alternative routes to Thailand
      Flight destinations with a similar price