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

Return flights

13 Oct - 18 Oct	Wizz Air
01 Oct - 04 Oct	Wizz Air
13 Oct - 19 Oct	Wizz Air
09 Oct - 15 Oct	Wizz Air
16 Oct - 18 Oct	Wizz Air
19 Oct - 23 Oct	Wizz Air
12 Oct - 18 Oct	Ryanair
15 Oct - 19 Oct	Wizz Air
15 Oct - 18 Oct	Wizz Air
16 Oct - 19 Oct	Wizz Air
31 Oct - 05 Nov	Wizz Air
31 Oct - 07 Nov	Wizz Air
30 Oct - 09 Nov	Ryanair
31 Oct - 03 Nov	Wizz Air
25 Oct - 01 Nov	Wizz Air
25 Oct - 02 Nov	Wizz Air
26 Oct - 02 Nov	Wizz Air
31 Oct - 02 Nov	Wizz Air
26 Oct - 01 Nov	Wizz Air
30 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 $198

Return flights