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

Return flights

30 Oct - 08 Nov	LATAM Airlines Group
07 Oct - 17 Oct	Aeromexico
06 Oct - 11 Oct	Viva
28 Oct - 04 Nov	Viva
07 Oct - 20 Oct	Aeromexico
06 Oct - 12 Oct	Viva
07 Oct - 12 Oct	Aeromexico
17 Oct - 20 Oct	Viva
05 Oct - 12 Oct	Volaris
04 Oct - 11 Oct	Viva
09 Oct - 25 Oct	Copa
01 Oct - 08 Oct	Viva
29 Oct - 05 Nov	Copa
28 Oct - 06 Nov	LATAM Airlines Group
30 Oct - 09 Nov	LATAM Airlines Group
31 Oct - 09 Nov	LATAM Airlines Group
29 Oct - 04 Nov	Copa
24 Oct - 03 Nov	LATAM Airlines Group
29 Oct - 06 Nov	LATAM Airlines Group
29 Oct - 07 Nov	LATAM Airlines Group

Also check the deals for one-way flights from Guadalajara to Buenos Aires in October.

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 October from 634€

Return flights