Flight Routes from London Heathrow to Chiang Mai

Compare cheap outbound and return flights from London Heathrow (LHR) to Chiang Mai (CNX) and find the best offer from numerous airlines and travel agencies.

Trip type
Cheapest roundtrip flight
from€499
Flight distance
9,025 km
Time difference

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.

offers
Active filtersnone
Matching outbound flights3 of 3
fromto
dep.arr.
durationstopovers
  1. 7 – 13 September 2026
  2. 14 – 20 September 2026
  3. 21 – 27 September 2026
    No flights could be found for the active filters.
    1. LHRCNX
      1 stopover
      1. Air China
    2. LHRCNX
      1 stopover
      1. Malaysia Airlines
    3. 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 %

      Important flight information

      Discover more flights around London Heathrow and Chiang Mai

      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