Cheapest return flights from Brussels to Keflavik in October from $257

Best time to book flights for Brussels (BRU) to Keflavik (KEF) flights at AirHint

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

Return flights

09 Oct - 16 Oct Scandinavian Airlines
01 Oct - 08 Oct Ryanair
02 Oct - 06 Oct Scandinavian Airlines
23 Oct - 26 Oct Scandinavian Airlines
22 Oct - 29 Oct Ryanair
03 Oct - 07 Oct Scandinavian Airlines
09 Oct - 16 Oct Icelandair direct
17 Oct - 19 Oct Icelandair direct
16 Oct - 24 Oct Icelandair direct
03 Oct - 17 Oct Icelandair direct
31 Oct - 02 Nov Scandinavian Airlines
26 Oct - 02 Nov Scandinavian Airlines
31 Oct - 02 Nov Icelandair direct
26 Oct - 02 Nov Icelandair direct

Also check the deals for one-way flights from Brussels to Keflavik in October.

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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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