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

Return flights

19 Dec - 02 Jan	Air Arabia
27 Dec - 13 Jan	Etihad Airways
01 Dec - 13 Jan	Emirates
10 Dec - 14 Jan	Emirates
27 Dec - 26 Jan	Emirates
15 Dec - 15 Jan	Emirates
16 Dec - 06 Jan	Emirates
15 Dec - 05 Jan	Emirates
15 Dec - 06 Jan	Emirates
17 Dec - 08 Jan	Emirates
23 Dec - 30 Dec	Emirates
05 Dec - 29 Dec	Emirates
01 Dec - 24 Dec	Emirates
17 Dec - 24 Dec	Emirates
11 Dec - 26 Dec	Emirates
12 Dec - 24 Dec	Emirates
12 Dec - 28 Dec	Emirates
17 Dec - 28 Dec	Emirates
18 Dec - 27 Dec	Emirates
21 Dec - 27 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 $599

Return flights