AirHint found the following cheapest return flights from Madrid (MAD) to Zagreb (ZAG) in May 2026 (see full year).

Return flights

21 May - 28 May	Iberia	direct
07 May - 21 May	Iberia	direct
07 May - 12 May	Iberia	direct
28 May - 06 Jun	Iberia	direct
14 May - 19 May	Air Serbia
14 May - 21 May	Air Serbia
27 May - 05 Jun	Air Serbia
14 May - 19 May	Iberia	direct
14 May - 21 May	Iberia	direct
04 May - 08 May	Iberia

Also check the deals for one-way flights from Madrid to Zagreb in May.

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 May from 118€

Return flights