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

Return flights

27 Aug - 10 Sep	Air Europa
28 Aug - 18 Sep	Air Europa
27 Aug - 09 Sep	Air Europa
28 Aug - 09 Sep	Air Europa
27 Aug - 18 Sep	Air Europa
29 Aug - 09 Sep	Iberia
29 Aug - 05 Sep	Iberia	direct
29 Aug - 14 Sep	Iberia
26 Aug - 03 Sep	Air Europa
30 Aug - 04 Sep	Air Europa	direct
16 Aug - 20 Aug	Lufthansa
17 Aug - 20 Aug	Lufthansa
17 Aug - 21 Aug	Lufthansa
27 Aug - 28 Aug	Air Europa
26 Aug - 27 Aug	Air Europa
16 Aug - 21 Aug	Lufthansa
17 Aug - 19 Aug	Lufthansa
26 Aug - 28 Aug	Air Europa
26 Aug - 29 Aug	Air Europa
16 Aug - 19 Aug	Lufthansa

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 145€

Return flights