Cheapest return flights from Geneva to Keflavik in September from 230€

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

Return flights

24 Sep - 27 Sep easyJet
23 Sep - 28 Sep easyJet
21 Sep - 02 Oct easyJet
16 Sep - 25 Sep easyJet
16 Sep - 22 Sep easyJet
28 Sep - 02 Oct easyJet
21 Sep - 27 Sep easyJet
20 Sep - 02 Oct LOT
27 Sep - 11 Oct easyJet
28 Sep - 05 Oct Aer Lingus
18 Sep - 21 Sep LOT
16 Sep - 19 Sep LOT
20 Sep - 27 Sep LOT
26 Sep - 29 Sep easyJet
16 Sep - 23 Sep easyJet

Also check the deals for one-way flights from Geneva to Keflavik in September.

Skyscanner

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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