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

Return flights

04 Dec - 15 Jan	LEVEL
11 Dec - 16 Jan	LEVEL
31 Dec - 24 Jan	Air France
24 Dec - 14 Jan	Air Canada
24 Dec - 12 Jan	Air Canada
02 Dec - 09 Dec	TAP
04 Dec - 10 Dec	Ryanair
13 Dec - 12 Jan	LEVEL
03 Dec - 10 Dec	easyJet
11 Dec - 18 Jan	LEVEL
11 Dec - 15 Jan	LEVEL
13 Dec - 13 Jan	LEVEL
05 Dec - 08 Dec	TAP
05 Dec - 13 Jan	TAP
04 Dec - 11 Dec	Ryanair
04 Dec - 09 Dec	Delta
04 Dec - 12 Dec	Ryanair
03 Dec - 12 Dec	TAP
10 Dec - 31 Dec	Air Europa
12 Dec - 31 Dec	Air Europa

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 701€

Return flights