AirHint found the following cheapest return flights from Madrid (MAD) to Athens (ATH) in August 2025 (see full year).

Return flights

26 Aug - 02 Sep	Air Europa
28 Aug - 10 Sep	Air Europa
27 Aug - 16 Sep	Air Europa
28 Aug - 02 Sep	Air Europa
29 Aug - 08 Sep	Wizz Air Malta
28 Aug - 04 Sep	Iberia
26 Aug - 09 Sep	Wizz Air
28 Aug - 09 Sep	Iberia
28 Aug - 06 Sep	Iberia
29 Aug - 10 Sep	Wizz Air Malta
28 Aug - 31 Aug	Air Europa
20 Aug - 27 Aug	Wizz Air Malta
19 Aug - 27 Aug	Wizz Air
05 Aug - 08 Aug	Ryanair
21 Aug - 27 Aug	Wizz Air
20 Aug - 25 Aug	Wizz Air Malta
19 Aug - 25 Aug	Wizz Air
06 Aug - 15 Aug	Wizz Air Malta
05 Aug - 12 Aug	Ryanair
21 Aug - 25 Aug	Wizz Air

Also check the deals for one-way flights from Madrid to Athens in August.

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 August from $173

Return flights