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

Return flights

06 May - 20 May	Iberia
19 May - 26 May	Iberia
17 May - 26 May	Iberia
19 May - 27 May	Iberia
18 May - 27 May	Iberia
09 May - 15 May	Iberia
09 May - 17 May	Iberia
09 May - 16 May	Iberia
24 May - 02 Jun	Air Canada
12 May - 27 May	Air Canada
17 May - 27 May	Air Canada
14 May - 07 Jun	Air Canada

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 $690

Return flights