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

Return flights

19 Jun - 27 Jun	SWISS
19 Jun - 26 Jun	SWISS
18 Jun - 26 Jun	SWISS
26 Jun - 29 Jun	SWISS
20 Jun - 26 Jun	Austrian Airlines
23 Jun - 29 Jun	SWISS
18 Jun - 25 Jun	SWISS
19 Jun - 25 Jun	SWISS
18 Jun - 24 Jun	SWISS
24 Jun - 01 Jul	Lufthansa
11 Jun - 18 Jun	easyJet
25 Jun - 01 Jul	SWISS
27 Jun - 03 Jul	SWISS
27 Jun - 18 Jul	Scandinavian Airlines
27 Jun - 03 Jul	Icelandair	direct

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

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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik

Cheapest return flights from Geneva to Keflavik in June from 270€

Return flights