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
Best option London Heathrow Chiang Mai	Outbound 13/05/25 1 Stopover (CAN) CZ0304, CZ8327 30h 15min	Return 09/06/25 1 Stopover (CAN) CZ3034, CZ0303 30h 10min	China Southern Airlines	?	£522
London Heathrow Chiang Mai	Outbound 13/05/25 1 Stopover (CAN) CZ0304, CZ3033 37h 40min	Return 09/06/25 1 Stopover (CAN) CZ8328, CZ0303 37h 30min	China Southern Airlines		£523
London Heathrow Chiang Mai Pay attention to transfer at connecting flight	Outbound 08/06/25 2 Stopovers (BOM, BKK) AI0128, AI0337, VZ2104 28h 55min	Return 27/06/25 2 Stopovers (BKK, BOM) FD4107, AI0338, AI0129 27h 40min	Air India, Thai Vietjet Air		£689
London Heathrow Chiang Mai	Outbound 13/05/25 1 Stopover (CAN) CZ0304, CZ3033 37h 40min	Return 09/06/25 1 Stopover (CAN) CZ3034, CZ0303 30h 10min	China Southern Airlines		£525
London Heathrow Chiang Mai	Outbound 13/05/25 1 Stopover (CAN) CZ0304, CZ3033 37h 40min	Return 09/06/25 1 Stopover (CAN) CZ3034, CZ0303 30h 10min	China Southern Airlines		£526
London Heathrow Chiang Mai	Outbound 13/05/25 1 Stopover (CAN) CZ0304, CZ8327 30h 15min	Return 09/06/25 1 Stopover (CAN) CZ3034, CZ0303 30h 10min	China Southern Airlines		£539
London Heathrow Chiang Mai	Outbound 13/05/25 1 Stopover (CAN) CZ0304, CZ8327 30h 15min	Return 09/06/25 1 Stopover (CAN) CZ8328, CZ0303 37h 30min	China Southern Airlines	?	£556
London Heathrow Chiang Mai	Outbound 02/05/25 1 Stopover (CAN) CZ0304, CZ3033 37h 40min	Return 19/05/25 1 Stopover (CAN) CZ3034, CZ0303 30h 10min	China Southern Airlines	?	£567
London Heathrow Chiang Mai	Outbound 02/05/25 1 Stopover (CAN) CZ0304, CZ3033 37h 40min	Return 19/05/25 2 Stopovers (CAN, PKX) CZ3034, CZ3101, CZ0673 29h 15min	China Southern Airlines		£577
London Heathrow Chiang Mai	Outbound 02/05/25 1 Stopover (CAN) CZ0304, CZ3033 37h 40min	Return 19/05/25 2 Stopovers (CAN, PKX) CZ3034, CZ3101, CZ0673 29h 15min	China Southern Airlines		£578

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	521,79 £
Distance	9025 km
Departure airport	Airport London Heathrow (LHR)
Arrival airport	Airport Chiang Mai (CNX)
Destination country	Flights to Thailand

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