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

Return flights

05 Dec - 08 Dec	JetSmart
13 Dec - 27 Dec	LATAM Airlines Group
12 Dec - 26 Dec	LATAM Airlines Group
08 Dec - 11 Dec	JetSmart
05 Dec - 07 Dec	JetSmart
01 Dec - 08 Dec	JetSmart
05 Dec - 11 Dec	JetSmart
08 Dec - 15 Dec	JetSmart
25 Dec - 08 Jan	JetSmart
08 Dec - 12 Dec	JetSmart
05 Dec - 15 Dec	JetSmart
25 Dec - 15 Jan	JetSmart
25 Dec - 09 Jan	JetSmart
25 Dec - 01 Jan	JetSmart
25 Dec - 07 Jan	JetSmart
28 Dec - 18 Jan	JetSmart
29 Dec - 18 Jan	JetSmart
18 Dec - 08 Jan	JetSmart
25 Dec - 02 Jan	JetSmart
28 Dec - 08 Jan	JetSmart

Also check the deals for one-way flights from Cartagena 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 Cartagena to Buenos Aires in December from 590€

Return flights