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

Return flights

10 Oct - 19 Oct	LATAM Airlines Group
20 Oct - 31 Oct	LATAM Airlines Group
02 Oct - 06 Oct	LATAM Airlines Group
13 Oct - 19 Oct	LATAM Airlines Group
08 Oct - 06 Nov	LATAM Airlines Group
26 Oct - 30 Oct	JetSmart
20 Oct - 27 Oct	JetSmart
26 Oct - 10 Nov	JetSmart
20 Oct - 30 Oct	JetSmart
26 Oct - 09 Nov	JetSmart
09 Oct - 27 Oct	JetSmart
26 Oct - 03 Nov	JetSmart
27 Oct - 30 Oct	JetSmart
26 Oct - 16 Nov	JetSmart
23 Oct - 30 Oct	JetSmart
20 Oct - 10 Nov	JetSmart
20 Oct - 09 Nov	JetSmart
27 Oct - 10 Nov	JetSmart
20 Oct - 03 Nov	JetSmart
23 Oct - 10 Nov	JetSmart

Also check the deals for one-way flights from Cartagena 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 Cartagena to Buenos Aires in October from 479€

Return flights