Earn point on your loyalty program!arrow arc left

Cheap flights from London (LCY) to Chiang Mai (CNX)

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from London (LCY) to Chiang Mai (CNX)

How to find the cheapest flight from London (LCY) to Chiang Mai (CNX)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from London (LCY) to Chiang Mai (CNX)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from London (LCY) to Chiang Mai (CNX)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from London to Chiang Mai in September , October 2026

22 Sep - 29 Oct $ 876.00
LCY
London
Aer Lingus
2 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Aer Lingus
2 STOPS
LCY
London
Pick dates
21 Sep - 29 Oct $ 879.00
LCY
London
Aer Lingus
2 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Aer Lingus
2 STOPS
LCY
London
Pick dates
29 Sep - 29 Oct $ 900.00
LCY
London
Aer Lingus
3 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Aer Lingus
2 STOPS
LCY
London
Pick dates

Last minute flights from London to Chiang Mai

22 Sep - 01 Oct $ 1,172.00
LCY
London
Swiss International Air Lines
2 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Swiss International Air Lines
3 STOPS
LCY
London
Pick dates
21 Sep - 01 Oct $ 1,175.00
LCY
London
Swiss International Air Lines
2 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Swiss International Air Lines
3 STOPS
LCY
London
Pick dates
29 Sep - 01 Oct $ 1,195.00
LCY
London
Swiss International Air Lines
3 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Swiss International Air Lines
3 STOPS
LCY
London
Pick dates

One-way flights to Chiang Mai from London

8:25 AM - 4:00 PM
China Southern Airlines
2 Stops
27h 25m
LCY - CNX
$ 495
Kiwi
Pick dates
6:00 PM - 11:40 AM
Thai Airways
2 Stops
37h
LCY - CNX
$ 779
Kiwi
Pick dates
2:20 PM - 12:25 PM
Swiss International Air Lines
2 Stops
17h 25m
LCY - CNX
$ 1,787
Kiwi
Pick dates

How to find the cheapest flight from London (LCY) to Chiang Mai (CNX)

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from London (LCY) to Chiang Mai (CNX)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from London (LCY) to Chiang Mai (CNX)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.