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

Return flights

08 Dec - 12 Dec	Eurowings	direct
05 Dec - 08 Dec	Eurowings	direct
31 Dec - 04 Jan	Eurowings	direct
22 Dec - 11 Jan	Eurowings	direct
31 Dec - 03 Jan	Lufthansa
30 Dec - 02 Jan	KLM
21 Dec - 31 Dec	Eurowings	direct

Also check the deals for one-way flights from Stuttgart 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 Stuttgart to Zagreb in December from $139

Return flights