AirHint found the following cheapest return flights from Barcelona (BCN) to Mexico City (MEX) in December 2025 (see full year).

Return flights

07 Dec - 25 Jan	Iberia
07 Dec - 18 Jan	Vueling Airlines
04 Dec - 10 Dec	Ryanair
12 Dec - 12 Jan	Ryanair
11 Dec - 18 Jan	Ryanair
04 Dec - 09 Dec	Ryanair
04 Dec - 11 Dec	British Airways
03 Dec - 09 Dec	easyJet
04 Dec - 12 Dec	Ryanair
24 Dec - 24 Jan	Iberia
14 Dec - 25 Jan	Iberia
05 Dec - 13 Dec	Ryanair
11 Dec - 11 Jan	Vueling Airlines
25 Dec - 22 Jan	Air Canada
17 Dec - 11 Jan	Air Canada
24 Dec - 11 Jan	Air Canada
09 Dec - 12 Dec	Vueling Airlines
06 Dec - 10 Dec	Wizz Air Malta
03 Dec - 13 Dec	easyJet
08 Dec - 12 Dec	Ryanair

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

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 Barcelona to Mexico City in December from 658€

Return flights