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

Return flights

11 Dec - 18 Dec	Ryanair
03 Dec - 05 Dec	Ryanair
11 Dec - 15 Dec	Ryanair
13 Dec - 15 Dec	Ryanair
11 Dec - 19 Dec	Ryanair
03 Dec - 06 Dec	Ryanair
11 Dec - 14 Dec	Ryanair
18 Dec - 11 Jan	Ryanair
15 Dec - 18 Dec	Ryanair
10 Dec - 15 Dec	Ryanair
10 Dec - 12 Dec	Ryanair
17 Dec - 11 Jan	Air Europa
19 Dec - 12 Jan	Ryanair
18 Dec - 04 Jan	Ryanair
28 Dec - 10 Jan	Ryanair
18 Dec - 07 Jan	Lufthansa
19 Dec - 04 Jan	Ryanair
17 Dec - 06 Jan	LOT
17 Dec - 04 Jan	Air Europa
29 Dec - 04 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 $148

Return flights