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

Return flights

18 Sep - 25 Sep	Vueling Airlines
30 Sep - 02 Oct	Vueling Airlines
30 Sep - 01 Oct	Vueling Airlines
25 Sep - 27 Sep	Wizz Air Malta
15 Sep - 22 Sep	Wizz Air Malta
27 Sep - 04 Oct	Wizz Air Malta
18 Sep - 20 Sep	Wizz Air Malta
15 Sep - 16 Sep	Ryanair
18 Sep - 22 Sep	Wizz Air Malta
15 Sep - 17 Sep	Ryanair
16 Sep - 17 Sep	Vueling Airlines
25 Sep - 02 Oct	Wizz Air Malta
23 Sep - 25 Sep	Vueling Airlines
16 Sep - 18 Sep	Vueling Airlines
29 Sep - 01 Oct	Ryanair
27 Sep - 01 Oct	Vueling Airlines
29 Sep - 02 Oct	Vueling Airlines
28 Sep - 01 Oct	Iberia
19 Sep - 01 Oct	Iberia

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 $182

Return flights