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

Return flights

22 Oct - 05 Nov	LATAM Airlines Group
08 Oct - 19 Oct	LATAM Airlines Group
13 Oct - 19 Oct	LATAM Airlines Group
02 Oct - 14 Oct	JetSmart
02 Oct - 22 Oct	JetSmart
05 Oct - 22 Oct	JetSmart
05 Oct - 23 Oct	JetSmart
01 Oct - 07 Oct	LATAM Airlines Group
02 Oct - 05 Oct	JetSmart
02 Oct - 08 Oct	JetSmart
05 Oct - 08 Oct	JetSmart
26 Oct - 06 Nov	JetSmart
30 Oct - 06 Nov	JetSmart
24 Oct - 06 Nov	JetSmart
30 Oct - 10 Nov	JetSmart
24 Oct - 10 Nov	JetSmart
26 Oct - 10 Nov	JetSmart
12 Oct - 02 Nov	JetSmart
16 Oct - 06 Nov	JetSmart
20 Oct - 06 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.

Book a cheap hotel in Buenos Aires

Cheap car rent in Buenos Aires

Cheapest return flights from Cartagena to Buenos Aires in October from 447€

Return flights