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

Return flights

15 Mar - 01 Apr	Iberia
04 Mar - 11 Mar	Air Canada
10 Mar - 31 Mar	Air Canada
09 Mar - 26 Mar	Air Canada
09 Mar - 25 Mar	Air Canada
09 Mar - 16 Mar	Air Canada
11 Mar - 19 Mar	Finnair
09 Mar - 24 Mar	Finnair
04 Mar - 10 Mar	Air Canada
09 Mar - 23 Mar	Air Canada
09 Mar - 21 Mar	Iberia
13 Mar - 02 Apr	Iberia
18 Mar - 15 Apr	Air France
20 Mar - 18 Apr	British Airways
23 Mar - 08 Apr	British Airways
21 Mar - 07 Apr	Air France
21 Mar - 18 Apr	British Airways
26 Mar - 18 Apr	Air Canada
25 Mar - 18 Apr	Air Canada
26 Mar - 25 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 532€

Return flights