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

Return flights

07 Dec - 08 Dec	Wizz Air UK
01 Dec - 08 Dec	Wizz Air
04 Dec - 07 Dec	Wizz Air
04 Dec - 08 Dec	Wizz Air UK
12 Dec - 15 Dec	Wizz Air
08 Dec - 11 Dec	Wizz Air UK
01 Dec - 06 Dec	Wizz Air UK
06 Dec - 08 Dec	Wizz Air UK
08 Dec - 12 Dec	Wizz Air UK
10 Dec - 12 Dec	Wizz Air
27 Dec - 04 Jan	Ryanair
28 Dec - 03 Jan	Wizz Air UK
23 Dec - 01 Jan	easyJet
30 Dec - 01 Jan	Wizz Air UK
23 Dec - 02 Jan	easyJet
23 Dec - 04 Jan	easyJet
23 Dec - 03 Jan	easyJet
31 Dec - 04 Jan	easyJet
26 Dec - 04 Jan	easyJet
22 Dec - 06 Jan	Ryanair

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 78€

Return flights