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

Return flights

13 Oct - 16 Oct	Fly Play
17 Oct - 26 Oct	LOT
20 Oct - 26 Oct	LOT
18 Oct - 26 Oct	Austrian Airlines
13 Oct - 16 Oct	Icelandair	direct
20 Oct - 26 Oct	Icelandair	direct
18 Oct - 26 Oct	Icelandair	direct
03 Oct - 08 Oct	Scandinavian Airlines
17 Oct - 26 Oct	Icelandair	direct

Also check the deals for one-way flights from Keflavik to Berlin 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 Keflavik to Berlin in October from 205€

Return flights