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

Return flights

30 Oct - 03 Nov	Scandinavian Airlines
03 Oct - 05 Oct	Scandinavian Airlines
26 Oct - 07 Nov	KLM
31 Oct - 08 Nov	easyJet
20 Oct - 28 Oct	easyJet
13 Oct - 19 Oct	easyJet
23 Oct - 27 Oct	Norwegian
09 Oct - 12 Oct	easyJet
06 Oct - 10 Oct	easyJet
02 Oct - 08 Oct	easyJet
20 Oct - 30 Oct	easyJet
07 Oct - 11 Oct	easyJet
25 Oct - 27 Oct	easyJet
29 Oct - 01 Nov	easyJet
22 Oct - 02 Nov	easyJet
24 Oct - 01 Nov	easyJet

Also check the deals for one-way flights from Geneva 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 Geneva to Keflavik in October from 206€

Return flights