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

Return flights

04 Dec - 19 Dec	Wizz Air UK
06 Dec - 14 Dec	Wizz Air UK
03 Dec - 29 Dec	Wizz Air UK
04 Dec - 17 Dec	Wizz Air UK
03 Dec - 11 Dec	Wizz Air UK
03 Dec - 12 Dec	Wizz Air UK
16 Dec - 24 Dec	Wizz Air UK
12 Dec - 20 Dec	easyJet
12 Dec - 24 Dec	easyJet
02 Dec - 08 Dec	Wizz Air UK
11 Dec - 17 Jan	Wizz Air UK
12 Dec - 13 Jan	Wizz Air UK
13 Dec - 15 Jan	Wizz Air UK
29 Dec - 16 Jan	Wizz Air UK
10 Dec - 08 Jan	easyJet
29 Dec - 18 Jan	Wizz Air UK
16 Dec - 30 Jan	Wizz Air UK
27 Dec - 22 Jan	Wizz Air UK
16 Dec - 18 Jan	Wizz Air UK
10 Dec - 09 Jan	easyJet

Also check the deals for one-way flights from London to Colombo 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 London to Colombo in December from $600

Return flights