Cheapest return flights from Zagreb to Keflavik in September from 249€

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 September 2025 (see full year).

Return flights

11 Sep - 15 Sep Ryanair
13 Sep - 21 Sep Ryanair
18 Sep - 22 Sep Ryanair
04 Sep - 07 Sep Ryanair
04 Sep - 06 Sep Ryanair
07 Sep - 12 Sep LOT
06 Sep - 13 Sep Ryanair
07 Sep - 14 Sep LOT
19 Sep - 26 Sep Ryanair

Also check the deals for one-way flights from Zagreb 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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