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 09/10/25 2 Stopovers (AUH, BKK, DMK) EY0062, EY0402, FD3429 28h 00min	Return 14/10/25 2 Stopovers (DMK, BKK, AUH) FD3436, EY0407, EY0061 26h 00min	Etihad Airways, Thai AirAsia		£606
London Heathrow Chiang Mai	Outbound 08/12/25 2 Stopovers (MCT, BKK) WY0104, WY0817, FD4096 29h 55min	Return 24/12/25 2 Stopovers (BKK, MCT) FD4101, WY0816, WY0101 42h 20min	Oman Air, Thai AirAsia		£652
Best option London Heathrow Chiang Mai	Outbound 09/10/25 1 Stopover (KUL) MH0003, MH0772 18h 40min	Return 14/10/25 1 Stopover (KUL) MH0793, MH0004 31h 55min	Malaysia Airlines		£769
London Heathrow Chiang Mai	Outbound 09/10/25 2 Stopovers (MUC, BKK) LH2471, LH0772, LH4610 28h 10min	Return 14/10/25 2 Stopovers (SIN, MUC) TR0675, LH0769, LH2470 20h 35min	Lufthansa		£668
London Heathrow Chiang Mai	Outbound 09/12/25 2 Stopovers (ZRH, BKK) LX0333, LX0180, LX4152 16h 55min	Return 24/12/25 2 Stopovers (BKK, ZRH) LX4151, LX0181, LX0340 18h 30min	Swiss International Air Lines	?	£704
London Heathrow Chiang Mai	Outbound 09/10/25 1 Stopover (KUL) MH0001, MH0792 34h 05min	Return 14/10/25 1 Stopover (KUL) MH0793, MH0004 31h 55min	Malaysia Airlines		£707
London Heathrow Chiang Mai	Outbound 09/10/25 2 Stopovers (MUC, BKK) LH2477, LH0772, LH4610 20h 45min	Return 14/10/25 2 Stopovers (SIN, MUC) TR0675, LH0769, LH2470 20h 35min	Lufthansa		£718
London Heathrow Chiang Mai	Outbound 09/10/25 2 Stopovers (BAH, BKK) GF0002, GF0152, GF4426 27h 10min	Return 14/10/25 1 Stopover (KUL) MH0793, MH0002 21h 15min	Gulf Air		£732
London Heathrow Chiang Mai	Outbound 09/10/25 2 Stopovers (MUC, BKK) LH2479, LH0772, PG0219 19h 20min	Return 14/10/25 2 Stopovers (SIN, MUC) TR0675, LH0769, LH2470 20h 35min	Lufthansa, Bangkok Airways	?	£752
London Heathrow Chiang Mai	Outbound 09/10/25 1 Stopover (KUL) MH0001, MH0792 34h 05min	Return 14/10/25 1 Stopover (KUL) MH0793, MH0004 31h 55min	Malaysia Airlines		£756

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	605,90 £
Distance	9025 km
Departure airport	Airport London Heathrow (LHR)
Arrival airport	Airport Chiang Mai (CNX)
Destination country	Flights to Thailand

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