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

Return flights

19 Jul - 25 Jul	SWISS
16 Jul - 20 Jul	SWISS
17 Jul - 22 Jul	SWISS
17 Jul - 20 Jul	Lufthansa
15 Jul - 22 Jul	Lufthansa
24 Jul - 31 Jul	SWISS
24 Jul - 07 Aug	SWISS
10 Jul - 20 Jul	SWISS
15 Jul - 20 Jul	Lufthansa
14 Jul - 17 Jul	SWISS
17 Jul - 31 Jul	Lufthansa
30 Jul - 06 Aug	easyJet
30 Jul - 04 Aug	easyJet
27 Jul - 01 Aug	SWISS
27 Jul - 03 Aug	Scandinavian Airlines
28 Jul - 03 Aug	SWISS
26 Jul - 04 Aug	easyJet
25 Jul - 05 Aug	easyJet
26 Jul - 02 Aug	SWISS
31 Jul - 05 Aug	LOT

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

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 July from 302€

Return flights