AirHint found the following cheapest return flights from Frankfurt (FRA) to Keflavik (KEF) in October 2026 (see full year).

Return flights

23 Oct - 03 Nov	Wizz Air Malta
24 Oct - 02 Nov	ITA Airways
06 Oct - 09 Oct	LOT
05 Oct - 14 Oct	Ryanair
14 Oct - 22 Oct	Lufthansa	direct
08 Oct - 13 Oct	Scandinavian Airlines
05 Oct - 15 Oct	Lufthansa
08 Oct - 12 Oct	Scandinavian Airlines
07 Oct - 12 Oct	Scandinavian Airlines
06 Oct - 13 Oct	Lufthansa
29 Oct - 12 Nov	Icelandair	direct
19 Oct - 25 Oct	Scandinavian Airlines
07 Oct - 12 Oct	Icelandair	direct
23 Oct - 01 Nov	LOT
23 Oct - 01 Nov	Lufthansa	direct
24 Oct - 01 Nov	Lufthansa	direct
23 Oct - 03 Nov	Icelandair	direct

Also check the deals for one-way flights from Frankfurt 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 Frankfurt to Keflavik in October from 275€

Return flights