AirHint found the following cheapest return flights from Karlsruhe/Baden-Baden (FKB) to Zagreb (ZAG) in December 2025 (see full year).

Return flights

01 Dec - 14 Dec	Ryanair	direct
22 Dec - 08 Jan	Ryanair	direct
22 Dec - 11 Jan	Ryanair	direct
27 Dec - 08 Jan	Ryanair	direct
27 Dec - 11 Jan	Ryanair	direct
01 Dec - 21 Dec	Ryanair	direct
20 Dec - 08 Jan	Ryanair	direct
20 Dec - 11 Jan	Ryanair	direct
22 Dec - 01 Jan	Ryanair	direct
27 Dec - 01 Jan	Ryanair	direct
20 Dec - 21 Dec	Ryanair	direct
20 Dec - 01 Jan	Ryanair	direct
17 Dec - 08 Jan	Wizz Air

Also check the deals for one-way flights from Karlsruhe/Baden-Baden to Zagreb in December.

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 Karlsruhe/Baden-Baden to Zagreb in December from $97

Return flights