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

Return flights

23 Oct - 26 Oct	Lufthansa
31 Oct - 03 Nov	easyJet
30 Oct - 03 Nov	LOT
13 Oct - 20 Oct	easyJet
16 Oct - 23 Oct	easyJet
07 Oct - 11 Oct	easyJet
01 Oct - 07 Oct	easyJet
12 Oct - 19 Oct	LOT
12 Oct - 20 Oct	easyJet
18 Oct - 25 Oct	Lufthansa
06 Oct - 13 Oct	easyJet
25 Oct - 01 Nov	easyJet
16 Oct - 25 Oct	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 212€

Return flights