Cheapest return flights from Zagreb to Keflavik in September from 238€

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

Return flights

09 Sep - 17 Sep Ryanair
25 Sep - 02 Oct Ryanair
20 Sep - 03 Oct Ryanair
16 Sep - 23 Sep Ryanair
27 Sep - 12 Oct Ryanair
04 Sep - 07 Sep Ryanair
27 Sep - 05 Oct Ryanair
09 Sep - 16 Sep Ryanair
05 Sep - 10 Sep Ryanair
06 Sep - 11 Sep Ryanair
02 Sep - 10 Sep Ryanair
04 Sep - 08 Sep Ryanair
16 Sep - 20 Sep Ryanair
13 Sep - 22 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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