Flights from London Heathrow to Chiang Mai

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 Shop Baggage Price
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
Best option
London Heathrow
Chiang Mai
Outbound
13/05/25
1 Stopover (PEK)
CA0856, CA0823
17h 10min
Return
03/06/25
1 Stopover (PEK)
CA0824, CA0855
27h 25min
Air China
£602
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
13/05/25
1 Stopover (CAN)
CZ0304, CZ8327
30h 15min
Return
09/06/25
1 Stopover (CAN)
CZ3034, CZ0303
30h 10min
China Southern Airlines ?
£606
London Heathrow
Chiang Mai
Outbound
13/05/25
1 Stopover (PEK)
CA0856, CA0823
17h 10min
Return
03/06/25
1 Stopover (PEK)
CA0824, CA0855
27h 25min
Air China
£612
London Heathrow
Chiang Mai
Outbound
13/05/25
1 Stopover (PEK)
CA0856, CA0823
17h 10min
Return
03/06/25
1 Stopover (PEK)
CA0824, CA0937
24h 40min
Air China
£629
Prices based on recent searches, subject to last-minute changes
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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

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
Alternative routes to Thailand
Alternative flights to Chiang Mai
Flight destinations with a similar price