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

Return flights

04 May - 15 May	Iberia
05 May - 15 May	Iberia
04 May - 19 May	British Airways
05 May - 12 May	British Airways
06 May - 14 May	Iberia
12 May - 20 May	British Airways
01 May - 12 May	Iberia
08 May - 15 May	Iberia
12 May - 25 May	Iberia
01 May - 16 May	Iberia
19 May - 02 Jun	Volaris
29 May - 08 Jun	Iberia
22 May - 01 Jun	Iberia
29 May - 08 Jun	Emirates	direct

Also check the deals for one-way flights from Mexico City to Barcelona in May.

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 Mexico City to Barcelona in May from 624€

Return flights