Cheapest return flights from Keflavik to Zagreb in June from $425

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

Return flights

21 Jun - 26 Jun LOT
17 Jun - 06 Jul Austrian Airlines
29 Jun - 22 Jul easyJet
28 Jun - 20 Jul Transavia France
30 Jun - 23 Jul Transavia France

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