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

Return flights

02 Sep - 09 Sep	Viva
10 Sep - 17 Sep	Viva
12 Sep - 19 Sep	Volaris
22 Sep - 07 Oct	Aeromexico
21 Sep - 06 Oct	Aeromexico
04 Sep - 11 Sep	Viva
01 Sep - 18 Oct	Viva
19 Sep - 31 Oct	Volaris
13 Sep - 20 Sep	Aeromexico
09 Sep - 13 Sep	Viva
05 Sep - 21 Sep	Viva
21 Sep - 05 Oct	Aeromexico
12 Sep - 20 Oct	Volaris
07 Sep - 16 Sep	Iberia
19 Sep - 30 Sep	Air France
29 Sep - 17 Oct	British Airways
01 Sep - 14 Sep	Viva
14 Sep - 03 Oct	United
24 Sep - 06 Oct	Lufthansa
22 Sep - 06 Oct	Lufthansa

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 $753

Return flights