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

Return flights

10 Aug - 25 Aug	British Airways
18 Aug - 28 Aug	British Airways
04 Aug - 25 Aug	British Airways
12 Aug - 25 Aug	British Airways
18 Aug - 25 Aug	British Airways
10 Aug - 24 Aug	British Airways
24 Aug - 31 Aug	British Airways
06 Aug - 24 Aug	Air Canada
23 Aug - 10 Sep	Air Canada
14 Aug - 31 Aug	British Airways
21 Aug - 07 Sep	British Airways
12 Aug - 29 Aug	Air Canada
22 Aug - 05 Sep	Aeromexico	direct
21 Aug - 07 Sep	Aeromexico	direct
20 Aug - 08 Sep	Delta

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

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 August from $775

Return flights