Cheapest return flights from Keflavik to Zagreb in December from $257

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

Return flights

05 Dec - 15 Dec easyJet
05 Dec - 12 Dec easyJet
19 Dec - 10 Jan easyJet
06 Dec - 06 Dec Wizz Air
22 Dec - 04 Jan easyJet
27 Dec - 03 Jan easyJet
07 Dec - 07 Dec Icelandair
08 Dec - 08 Dec Wizz Air
05 Dec - 05 Dec Icelandair

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

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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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