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

Return flights

02 May - 09 May	KLM
23 May - 30 May	Air France
02 May - 09 May	Iberia	direct
09 May - 16 May	Iberia	direct
23 May - 30 May	Iberia	direct
18 May - 24 May	Iberia Express
03 May - 09 May	Air France
04 May - 10 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 $234

Return flights