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

Return flights

05 Dec - 12 Dec	Copa
07 Dec - 12 Dec	Copa
02 Dec - 09 Dec	Copa
01 Dec - 11 Dec	GOL Linhas Aéreas
06 Dec - 13 Dec	Copa
10 Dec - 14 Dec	Copa
20 Dec - 27 Dec	Copa
20 Dec - 22 Dec	Copa
20 Dec - 23 Dec	Copa
20 Dec - 02 Jan	Copa
24 Dec - 15 Jan	Azul Airlines
24 Dec - 14 Jan	Azul Airlines
19 Dec - 22 Dec	Copa
24 Dec - 17 Jan	Azul Airlines
24 Dec - 16 Jan	Azul Airlines
24 Dec - 04 Jan	Azul Airlines
27 Dec - 02 Jan	Copa
27 Dec - 03 Jan	LATAM Airlines Group

Also check the deals for one-way flights from Brasilia 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 Brasilia to Mexico City in December from $494

Return flights