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

Return flights

05 Mar - 12 Mar	Iberia
15 Mar - 31 Mar	Iberia
05 Mar - 10 Mar	Iberia
15 Mar - 01 Apr	Iberia
01 Mar - 11 Mar	Iberia
01 Mar - 10 Mar	Iberia
02 Mar - 10 Mar	Iberia
02 Mar - 12 Mar	Iberia
08 Mar - 15 Mar	Iberia
24 Mar - 31 Mar	Air Canada
04 Mar - 18 Mar	Air Canada
15 Mar - 08 Apr	Iberia
29 Mar - 13 Apr	Air Canada
11 Mar - 19 Apr	Iberia
25 Mar - 15 Apr	Iberia
29 Mar - 10 Apr	Air Canada
28 Mar - 10 Apr	Air Canada
27 Mar - 07 Apr	Air Canada
24 Mar - 11 Apr	Air Canada
29 Mar - 11 Apr	Air Canada

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

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 March from $634

Return flights