AirHint found the following cheapest return flights from Zagreb (ZAG) to Keflavik (KEF) in July 2026 (see full year).

Return flights

11 Jul - 23 Jul	Ryanair
11 Jul - 21 Jul	Ryanair
29 Jul - 05 Aug	Ryanair
28 Jul - 05 Aug	Ryanair
15 Jul - 23 Jul	Ryanair
11 Jul - 18 Jul	Ryanair
20 Jul - 26 Jul	Air Serbia
30 Jul - 09 Aug	Air Serbia
05 Jul - 14 Jul	KLM
10 Jul - 17 Jul	Ryanair
24 Jul - 31 Jul	KLM
17 Jul - 25 Jul	Ryanair
31 Jul - 16 Aug	Ryanair
12 Jul - 23 Jul	Ryanair

Also check the deals for one-way flights from Zagreb 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 Zagreb to Keflavik in July from 263€

Return flights