Cheapest return flights from London to Chiang Mai in December from $531

AirHint found the following cheapest return flights from London (LGW) to Chiang Mai (CNX) in December 2026 (see full year).

Return flights

05 Dec - 19 Dec China Eastern
02 Dec - 10 Dec China Eastern
05 Dec - 25 Dec China Eastern
27 Dec - 16 Jan China Eastern
06 Dec - 13 Dec China Eastern
05 Dec - 06 Dec China Eastern
25 Dec - 15 Jan China Eastern
01 Dec - 13 Jan Wizz Air UK
24 Dec - 22 Jan China Eastern
27 Dec - 10 Jan China Eastern
27 Dec - 07 Jan China Eastern
07 Dec - 11 Jan AirAsia X
08 Dec - 29 Dec China Eastern
11 Dec - 25 Dec China Eastern
12 Dec - 31 Dec China Eastern
26 Dec - 09 Jan China Eastern
10 Dec - 24 Dec Wizz Air UK
15 Dec - 15 Jan Wizz Air UK
23 Dec - 22 Jan Ryanair
17 Dec - 24 Dec Vueling Airlines

Also check the deals for one-way flights from London to Chiang Mai in December.

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