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

Return flights

14 Dec - 18 Dec	Wizz Air Malta
12 Dec - 16 Dec	Ryanair
11 Dec - 15 Dec	Wizz Air Malta
19 Dec - 10 Jan	Ryanair
19 Dec - 11 Jan	Ryanair
12 Dec - 15 Dec	Ryanair
01 Dec - 06 Dec	Transavia France
07 Dec - 10 Dec	Ryanair
17 Dec - 18 Dec	Wizz Air Malta
10 Dec - 12 Dec	Ryanair
08 Dec - 14 Dec	Ryanair
15 Dec - 18 Dec	Air Serbia
22 Dec - 05 Jan	Wizz Air Malta
17 Dec - 06 Jan	Wizz Air Malta
30 Dec - 02 Jan	Ryanair
30 Dec - 03 Jan	Ryanair
20 Dec - 06 Jan	Ryanair

Also check the deals for one-way flights from Madrid 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 Madrid to Zagreb in December from $123

Return flights