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

Return flights

30 Aug - 09 Sep	Iberia
28 Aug - 10 Sep	Iberia
27 Aug - 10 Sep	Wizz Air
30 Aug - 10 Sep	Iberia
25 Aug - 10 Sep	Wizz Air
29 Aug - 09 Sep	Wizz Air
30 Aug - 14 Sep	Iberia
29 Aug - 03 Sep	Wizz Air
27 Aug - 09 Sep	Wizz Air
30 Aug - 08 Sep	Iberia
22 Aug - 27 Aug	Wizz Air
21 Aug - 27 Aug	Wizz Air
06 Aug - 13 Aug	Pegasus Airlines
06 Aug - 20 Aug	Pegasus Airlines
13 Aug - 20 Aug	Wizz Air
23 Aug - 27 Aug	Wizz Air
06 Aug - 25 Aug	Pegasus Airlines
06 Aug - 19 Aug	Pegasus Airlines
12 Aug - 20 Aug	Wizz Air Malta
28 Aug - 31 Aug	Iberia

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 146€

Return flights