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

Return flights

09 Sep - 16 Sep	Wizz Air
15 Sep - 16 Sep	Wizz Air UK
06 Sep - 17 Sep	Wizz Air UK
18 Sep - 22 Sep	Wizz Air UK
15 Sep - 17 Sep	Wizz Air UK
18 Sep - 24 Sep	Wizz Air UK
23 Sep - 01 Oct	Wizz Air UK
22 Sep - 24 Sep	Wizz Air UK
23 Sep - 27 Sep	Wizz Air UK
23 Sep - 24 Sep	Wizz Air UK
24 Sep - 04 Oct	Wizz Air UK
20 Sep - 24 Sep	Wizz Air UK
26 Sep - 01 Oct	Wizz Air
20 Sep - 06 Oct	Wizz Air UK

Also check the deals for one-way flights from London to Charleroi in September.

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 September from 81€

Return flights