Cheapest one-way flights from Cartagena to Buenos Aires in September from $295

AirHint found the following cheapest one-way flights from Cartagena (CTG) to Buenos Aires (AEP) in September 2025 (see full year).

One-Way flights

09 Sep Avianca
24 Sep LATAM Airlines Group
26 Sep LATAM Airlines Group
14 Sep LATAM Airlines Group

Also check the deals for return flights from Cartagena to Buenos Aires in September.

Skyscanner

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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