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

Return flights

28 Sep - 05 Oct	Viva
16 Sep - 26 Sep	Viva
15 Sep - 23 Sep	Viva
30 Sep - 09 Oct	Viva
05 Sep - 22 Sep	Viva
15 Sep - 19 Sep	Viva
24 Sep - 09 Oct	Hawaiian Airlines
14 Sep - 22 Sep	Hawaiian Airlines
05 Sep - 19 Sep	Alaska Airlines
17 Sep - 25 Sep	Hawaiian Airlines
03 Sep - 14 Sep	Viva
03 Sep - 21 Sep	Viva
05 Sep - 20 Sep	Viva
25 Sep - 04 Oct	Viva
28 Sep - 06 Oct	Air Canada
30 Sep - 12 Oct	Air Canada

Also check the deals for one-way flights from Monterrey to Paris 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 Monterrey to Paris in September from 694€

Return flights