Cheapest return ZAG–KEF flights, June

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

Return flights

15 Jun - 25 Jun Ryanair
06 Jun - 14 Jun Ryanair
17 Jun - 23 Jun Ryanair
15 Jun - 23 Jun Ryanair
30 Jun - 07 Jul Ryanair
27 Jun - 03 Jul Ryanair
16 Jun - 23 Jun Ryanair
22 Jun - 26 Jun Ryanair
05 Jun - 09 Jun Lufthansa
05 Jun - 14 Jun Lufthansa
18 Jun - 26 Jun Ryanair
10 Jun - 14 Jun Ryanair
26 Jun - 10 Jul Ryanair
28 Jun - 12 Jul Ryanair
26 Jun - 03 Jul LOT

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

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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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