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

Return flights

01 Dec - 08 Dec	Iberia
26 Dec - 11 Jan	Vueling Airlines
25 Dec - 11 Jan	Vueling Airlines
22 Dec - 14 Jan	Vueling Airlines
27 Dec - 11 Jan	Vueling Airlines
12 Dec - 22 Dec	Vueling Airlines
24 Dec - 06 Jan	Vueling Airlines
26 Dec - 05 Jan	Vueling Airlines
23 Dec - 05 Jan	Vueling Airlines
24 Dec - 05 Jan	Vueling Airlines
22 Dec - 05 Jan	Vueling Airlines
05 Dec - 20 Dec	Air France
21 Dec - 11 Jan	KLM

Also check the deals for one-way flights from Bilbao 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 Bilbao to Mexico City in December from $843

Return flights