AirHint found the following cheapest return flights from Guadalajara (GDL) to Buenos Aires (AEP) in December 2025 (see full year).

Return flights

03 Dec - 10 Dec	LATAM Airlines Group
18 Dec - 24 Dec	Viva
09 Dec - 20 Dec	LATAM Airlines Group
16 Dec - 04 Jan	LATAM Airlines Group
05 Dec - 07 Dec	LATAM Airlines Group
17 Dec - 03 Jan	LATAM Airlines Group
18 Dec - 02 Jan	LATAM Airlines Group
16 Dec - 05 Jan	LATAM Airlines Group
18 Dec - 03 Jan	LATAM Airlines Group

Also check the deals for one-way flights from Guadalajara to Buenos Aires 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 Guadalajara to Buenos Aires in December from 857€

Return flights