AirHint found the following cheapest return flights from Colombo (CMB) to London (STN) in December 2025 (see full year).

Return flights

24 Dec - 06 Jan	Air Arabia
20 Dec - 27 Dec	Air Arabia
17 Dec - 19 Jan	Emirates
24 Dec - 04 Jan	Emirates
27 Dec - 11 Jan	Emirates
18 Dec - 11 Jan	Emirates
11 Dec - 05 Jan	Emirates
12 Dec - 05 Jan	Emirates
08 Dec - 07 Jan	Emirates
11 Dec - 29 Dec	Emirates
08 Dec - 29 Dec	Emirates
07 Dec - 03 Jan	Emirates
20 Dec - 31 Dec	Emirates
29 Dec - 22 Jan	Emirates
12 Dec - 28 Dec	Emirates
20 Dec - 28 Dec	Emirates
14 Dec - 28 Dec	Emirates
21 Dec - 28 Dec	Emirates
13 Dec - 28 Dec	Emirates
17 Dec - 24 Dec	Emirates

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

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Colombo to London in December from $533

Return flights