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

Return flights

13 Sep - 22 Sep	Air France
01 Sep - 26 Sep	Air France
14 Sep - 21 Sep	Air France
17 Sep - 02 Oct	British Airways
01 Sep - 16 Sep	Air France
30 Sep - 04 Oct	KLM
01 Sep - 19 Sep	Lufthansa
01 Sep - 12 Sep	Lufthansa
01 Sep - 14 Sep	Iberia
01 Sep - 15 Sep	Air Canada
13 Sep - 22 Sep	Emirates	direct
01 Sep - 26 Sep	Emirates	direct
17 Sep - 02 Oct	Emirates	direct
30 Sep - 04 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 727€

Return flights