AirHint found the following cheapest return flights from Madrid (MAD) to Mexico City (MEX) in September 2026 (see full year).

Return flights

09 Sep - 27 Sep	KLM
10 Sep - 22 Sep	Air France
01 Sep - 28 Sep	Air France
01 Sep - 28 Sep	Iberia	direct
07 Sep - 25 Sep	Air France
02 Sep - 15 Sep	Air France
28 Sep - 11 Oct	British Airways
05 Sep - 18 Sep	Avianca
01 Sep - 14 Sep	British Airways
15 Sep - 22 Sep	Avianca
07 Sep - 14 Sep	British Airways
28 Sep - 11 Oct	Iberia	direct
25 Sep - 02 Oct	Delta
25 Sep - 04 Oct	Delta
25 Sep - 04 Oct	Iberia	direct
26 Sep - 04 Oct	Iberia	direct
25 Sep - 02 Oct	Iberia	direct

Also check the deals for one-way flights from Madrid 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 Madrid to Mexico City in September from 723€

Return flights