AirHint found the following cheapest return flights from London (LON) to Charleroi (CRL) in December 2025 (see full year).

Return flights

05 Dec - 08 Dec	Wizz Air UK
07 Dec - 08 Dec	Wizz Air UK
10 Dec - 12 Dec	Wizz Air UK
10 Dec - 11 Dec	Wizz Air UK
11 Dec - 13 Dec	Wizz Air UK
01 Dec - 04 Dec	Wizz Air UK
08 Dec - 11 Dec	Wizz Air UK
11 Dec - 14 Dec	Wizz Air UK
15 Dec - 16 Dec	Wizz Air UK
05 Dec - 06 Dec	Wizz Air UK
12 Dec - 11 Jan	Ryanair
19 Dec - 05 Jan	Ryanair
13 Dec - 04 Jan	Ryanair
12 Dec - 04 Jan	Ryanair
30 Dec - 02 Jan	Ryanair
31 Dec - 01 Jan	Wizz Air UK
27 Dec - 05 Jan	Ryanair
31 Dec - 04 Jan	Ryanair
29 Dec - 01 Jan	Wizz Air UK
23 Dec - 02 Jan	easyJet

Also check the deals for one-way flights from London to Charleroi 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 Charleroi in December from $93

Return flights