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.

	Outbound	Return	Airlines	Baggage	Price
London Heathrow Chiang Mai	Outbound 01/12/26 1 Stopover (PVG) MU0552, MU0205 34h 20min	Return 08/12/26 1 Stopover (PVG) MU0206, MU0551 32h 55min	China Eastern Airlines		£499
Best option London Heathrow Chiang Mai	Outbound 01/12/26 1 Stopover (AUH) EY0062, EY0426 14h 15min	Return 08/12/26 1 Stopover (AUH) EY0427, EY0067 16h 20min	Etihad Airways		£789
London Heathrow Chiang Mai Please note: transfer for connecting flight	Outbound 16/09/26 1 Stopover (BKK) BR0068, VZ0104 19h 15min	Return 26/09/26 1 Stopover (BKK) VZ0101, BR0067 17h 20min	EVA Airways, Thai Vietjet Air		£1,004
London Heathrow Chiang Mai	Outbound 01/12/26 1 Stopover (PVG) MU0552, MU0205 34h 20min	Return 08/12/26 1 Stopover (PVG) MU0206, MU0551 32h 55min	China Eastern Airlines		£503
London Heathrow Chiang Mai	Outbound 01/12/26 1 Stopover (PVG) MU0552, MU0205 34h 20min	Return 08/12/26 1 Stopover (PVG) MU0206, MU0551 32h 55min	China Eastern Airlines		£504
London Heathrow Chiang Mai	Outbound 01/12/26 1 Stopover (PVG) MU0552, MU0205 34h 20min	Return 08/12/26 1 Stopover (PVG) MU0206, MU0551 32h 55min	China Eastern Airlines		£507
London Heathrow Chiang Mai	Outbound 01/12/26 2 Stopovers (PVG, SHA, KMG) MU0552, MU5804, MU9639 29h 05min	Return 08/12/26 1 Stopover (PVG) MU0206, MU0551 32h 55min	China Eastern Airlines		£514
London Heathrow Chiang Mai	Outbound 01/12/26 2 Stopovers (PVG, KMG) MU0552, MU5818, MU9639 29h 05min	Return 08/12/26 2 Stopovers (KMG, PVG) MU9620, MU5819, MU0551 32h 05min	China Eastern Airlines	?	£549
London Heathrow Chiang Mai	Outbound 16/09/26 1 Stopover (PEK) CA0938, CA0823 19h 25min	Return 26/09/26 2 Stopovers (BKK, AUH) EY7649, EY0405, EY0061 25h 05min	Air China		£555
London Heathrow Chiang Mai	Outbound 16/09/26 1 Stopover (PEK) CA0938, CA0823 19h 25min	Return 26/09/26 2 Stopovers (BKK, AUH) EY7649, EY0405, EY0061 25h 05min	Air China		£556

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

Important flight information

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 London Heathrow - Bangkok from 347 £
Flight London Heathrow - Koh Samui from 698 £
Flight London Heathrow - Phuket from 432 £

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