Cheapest return flights from Zagreb to Keflavik in August from $430

Best time to book flights for Zagreb (ZAG) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from Zagreb (ZAG) to Keflavik (KEF) in August 2025 (see full year).

Return flights

02 Aug - 09 Aug Ryanair
16 Aug - 20 Aug Lufthansa
23 Aug - 30 Aug SWISS

Also check the deals for one-way flights from Zagreb to Keflavik in August.

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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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