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

Return flights

24 Sep - 07 Oct	easyJet
24 Sep - 08 Oct	easyJet
20 Sep - 30 Sep	easyJet
30 Sep - 11 Oct	easyJet
25 Sep - 28 Sep	easyJet
20 Sep - 18 Oct	easyJet
18 Sep - 13 Oct	easyJet
26 Sep - 04 Oct	Norse Atlantic Airways
24 Sep - 04 Oct	Norse Atlantic Airways
25 Sep - 29 Sep	easyJet
23 Sep - 27 Sep	easyJet
26 Sep - 06 Oct	easyJet
19 Sep - 04 Oct	easyJet
22 Sep - 06 Oct	Avianca
26 Sep - 28 Sep	Norse Atlantic Airways
17 Sep - 28 Sep	Norse Atlantic Airways
18 Sep - 25 Sep	easyJet
19 Sep - 26 Sep	easyJet
19 Sep - 21 Sep	Norse Atlantic Airways
23 Sep - 30 Sep	Finnair

Also check the deals for one-way flights from Paris to Mexico City 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 Paris to Mexico City in September from 701€

Return flights