AirHint found the following cheapest return flights from Mexico City (MEX) to Athens (ATH) in September 2025 (see full year).

Return flights

21 Sep - 16 Oct	Volaris
21 Sep - 06 Oct	Volaris
29 Sep - 13 Oct	Volaris
23 Sep - 30 Sep	Volaris
20 Sep - 11 Oct	Aeromexico
18 Sep - 10 Oct	Volaris
09 Sep - 16 Sep	Volaris
09 Sep - 18 Sep	Volaris
18 Sep - 09 Oct	Volaris
19 Sep - 30 Sep	Aeromexico
16 Sep - 26 Sep	Volaris
08 Sep - 16 Sep	Volaris
06 Sep - 15 Sep	Viva
12 Sep - 27 Sep	Viva
15 Sep - 29 Sep	Volaris
07 Sep - 16 Sep	Volaris

Also check the deals for one-way flights from Mexico City to Athens in September.

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 Mexico City to Athens in September from 735€

Return flights