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

Return flights

14 Sep - 16 Oct	Air France
25 Sep - 09 Oct	Air France
02 Sep - 16 Sep	KLM
25 Sep - 14 Oct	Air France
28 Sep - 07 Oct	British Airways
09 Sep - 17 Sep	British Airways
01 Sep - 21 Sep	Delta
01 Sep - 20 Sep	British Airways
18 Sep - 03 Oct	British Airways
01 Sep - 15 Sep	Iberia
18 Sep - 03 Oct	Emirates	direct
01 Sep - 20 Sep	Emirates	direct
02 Sep - 16 Sep	Emirates	direct
14 Sep - 16 Oct	Emirates	direct
09 Sep - 17 Sep	Emirates	direct
28 Sep - 07 Oct	Emirates	direct
25 Sep - 09 Oct	Emirates	direct
25 Sep - 14 Oct	Emirates	direct

Also check the deals for one-way flights from Barcelona 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 Barcelona to Mexico City in September from 728€

Return flights