AirHint found the following cheapest return flights from Bilbao (BIO) to Charleroi (CRL) in October 2025 (see full year).

Return flights

15 Oct - 22 Oct	Vueling Airlines
01 Oct - 08 Oct	Vueling Airlines
15 Oct - 19 Oct	Vueling Airlines
06 Oct - 07 Oct	Vueling Airlines
08 Oct - 11 Oct	Vueling Airlines
08 Oct - 12 Oct	Vueling Airlines
22 Oct - 27 Oct	Vueling Airlines
17 Oct - 19 Oct	Vueling Airlines
06 Oct - 08 Oct	Vueling Airlines
06 Oct - 12 Oct	Vueling Airlines
30 Oct - 03 Nov	easyJet
31 Oct - 06 Nov	Smart Wings
31 Oct - 02 Nov	Smart Wings
31 Oct - 09 Nov	Smart Wings
31 Oct - 07 Nov	Smart Wings

Also check the deals for one-way flights from Bilbao to Charleroi in October.

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 Bilbao to Charleroi in October from $145

Return flights