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

Return flights

19 May - 25 May	TAROM
05 May - 12 May	Air Serbia
07 May - 18 May	Air Serbia
09 May - 13 May	Air Serbia
12 May - 26 May	Air Serbia
06 May - 13 May	Iberia
07 May - 10 May	Air Serbia
08 May - 13 May	SKY express
08 May - 11 May	SKY express
06 May - 12 May	Iberia
23 May - 02 Jun	SWISS
31 May - 03 Jun	Iberia	direct
30 May - 03 Jun	Iberia	direct
29 May - 05 Jun	Brussels Airlines
25 May - 02 Jun	Air Serbia
14 May - 02 Jun	Air Serbia
27 May - 04 Jun	ITA Airways
24 May - 02 Jun	SWISS
27 May - 03 Jun	Iberia	direct
31 May - 07 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 $168

Return flights