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

Return flights

03 Dec - 12 Dec	Viva
23 Dec - 15 Jan	Viva
04 Dec - 12 Dec	Aeromexico
04 Dec - 11 Dec	Viva
06 Dec - 13 Dec	Volaris
01 Dec - 05 Dec	Volaris
08 Dec - 24 Dec	Volaris
02 Dec - 30 Dec	Aeromexico
03 Dec - 15 Dec	Viva
02 Dec - 05 Dec	Viva
10 Dec - 11 Jan	Viva
13 Dec - 28 Dec	Viva
14 Dec - 10 Jan	Viva
16 Dec - 10 Jan	Viva
17 Dec - 10 Jan	Viva
16 Dec - 12 Jan	Viva
30 Dec - 06 Jan	Copa
14 Dec - 09 Jan	Viva
16 Dec - 09 Jan	Viva
29 Dec - 11 Jan	Volaris

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 673€

Return flights