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

Return flights

08 Oct - 15 Oct	Wizz Air
15 Oct - 22 Oct	Wizz Air
22 Oct - 28 Oct	Wizz Air
07 Oct - 14 Oct	Wizz Air
08 Oct - 11 Oct	Wizz Air
23 Oct - 26 Oct	Ryanair
19 Oct - 26 Oct	Ryanair
30 Oct - 07 Nov	Ryanair
13 Oct - 18 Oct	Wizz Air
08 Oct - 18 Oct	Wizz Air
29 Oct - 02 Nov	Wizz Air
10 Oct - 15 Oct	Ryanair
31 Oct - 08 Nov	Wizz Air
28 Oct - 04 Nov	Ryanair
22 Oct - 01 Nov	Wizz Air
19 Oct - 01 Nov	Ryanair
31 Oct - 03 Nov	Ryanair
30 Oct - 09 Nov	Ryanair
25 Oct - 02 Nov	Wizz Air
23 Oct - 02 Nov	Ryanair

Also check the deals for one-way flights from Charleroi to Keflavik 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 Charleroi to Keflavik in October from 182€

Return flights