AirHint found the following cheapest return flights from Monterrey (MTY) to Bilbao (BIO) in December 2026 (see full year).

Return flights

03 Dec - 12 Dec	Iberia
03 Dec - 15 Dec	Iberia
01 Dec - 12 Dec	Iberia
08 Dec - 19 Dec	Iberia
29 Dec - 16 Jan	Iberia
12 Dec - 26 Dec	Iberia
05 Dec - 19 Dec	Iberia
03 Dec - 17 Dec	Iberia
05 Dec - 18 Dec	Iberia
12 Dec - 02 Jan	Iberia
06 Dec - 19 Dec	Iberia
07 Dec - 19 Dec	Aeromexico
19 Dec - 02 Jan	Iberia

Also check the deals for one-way flights from Monterrey to Bilbao 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 Monterrey to Bilbao in December from 494€

Return flights