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

Return flights

07 Oct - 12 Oct	Scandinavian Airlines
30 Oct - 06 Nov	Scandinavian Airlines
07 Oct - 15 Oct	Scandinavian Airlines
18 Oct - 22 Oct	Scandinavian Airlines
20 Oct - 24 Oct	Scandinavian Airlines
17 Oct - 22 Oct	Scandinavian Airlines
17 Oct - 27 Oct	Scandinavian Airlines
24 Oct - 29 Oct	Vueling Airlines
18 Oct - 24 Oct	Scandinavian Airlines
11 Oct - 25 Oct	Lufthansa

Also check the deals for one-way flights from Hannover 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 Hannover to Keflavik in October from $237

Return flights