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

Return flights

03 Mar - 10 Mar	Delta
10 Mar - 18 Mar	Delta
10 Mar - 31 Mar	Delta
10 Mar - 17 Mar	Delta
09 Mar - 24 Mar	Air France
01 Mar - 10 Mar	Air France
01 Mar - 24 Mar	Air France
04 Mar - 25 Mar	Air France
01 Mar - 11 Mar	Finnair
30 Mar - 16 Apr	Finnair
02 Mar - 09 Mar	Delta
10 Mar - 01 Apr	Delta
16 Mar - 01 Apr	Iberia
24 Mar - 17 Apr	Volaris
30 Mar - 09 Apr	Finnair
24 Mar - 13 Apr	Volaris
01 Mar - 30 Apr	Iberia
16 Mar - 14 Apr	Iberia
24 Mar - 08 Apr	Volaris
30 Mar - 07 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 $646

Return flights