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

Return flights

07 May - 10 May	Air Serbia
24 May - 03 Jun	Iberia	direct
06 May - 12 May	Iberia
07 May - 17 May	Air Serbia
20 May - 30 May	ITA Airways
07 May - 13 May	Air Serbia
26 May - 02 Jun	ITA Airways
21 May - 25 May	TAROM
14 May - 18 May	TAROM
18 May - 25 May	Air Serbia
22 May - 25 May	Air Serbia
07 May - 11 May	Air Serbia
18 May - 01 Jun	Air Serbia
30 May - 05 Jun	ITA Airways
25 May - 02 Jun	Air Europa
24 May - 01 Jun	Iberia
28 May - 07 Jun	ITA Airways
30 May - 11 Jun	Iberia	direct
30 May - 05 Jun	Iberia	direct
23 May - 02 Jun	Iberia	direct

Also check the deals for one-way flights from Madrid to Athens 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 Athens in May from 156€

Return flights