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

Return flights

23 Sep - 21 Oct	Wizz Air Malta
30 Sep - 02 Oct	Wizz Air Malta
17 Sep - 24 Sep	Ryanair
23 Sep - 24 Sep	Wizz Air UK
27 Sep - 16 Oct	Wizz Air
17 Sep - 30 Sep	Ryanair
29 Sep - 06 Oct	Ryanair
25 Sep - 29 Sep	Wizz Air
23 Sep - 30 Sep	Wizz Air Malta
20 Sep - 24 Sep	Wizz Air
23 Sep - 28 Sep	Wizz Air
22 Sep - 23 Sep	Wizz Air UK
24 Sep - 24 Sep	Wizz Air
27 Sep - 01 Oct	Wizz Air Malta
16 Sep - 22 Sep	Wizz Air
29 Sep - 04 Oct	Fly One
27 Sep - 04 Oct	Wizz Air
13 Sep - 13 Oct	Wizz Air UK
28 Sep - 04 Oct	Ryanair
28 Sep - 05 Oct	Ryanair

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 91€

Return flights