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

Return flights

11 Dec - 01 Jan	JetSmart
10 Dec - 19 Dec	JetSmart
28 Dec - 10 Jan	JetSmart
19 Dec - 05 Jan	JetSmart
28 Dec - 01 Jan	JetSmart
18 Dec - 01 Jan	JetSmart
29 Dec - 10 Jan	JetSmart
26 Dec - 10 Jan	JetSmart
15 Dec - 01 Jan	JetSmart
20 Dec - 04 Jan	JetSmart
15 Dec - 08 Jan	JetSmart
12 Dec - 26 Dec	Avianca
11 Dec - 14 Dec	JetSmart
13 Dec - 27 Dec	JetSmart
12 Dec - 14 Dec	JetSmart
13 Dec - 26 Dec	Wingo
04 Dec - 08 Dec	Avianca
12 Dec - 15 Dec	JetSmart
11 Dec - 21 Dec	JetSmart
18 Dec - 21 Dec	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 $628

Return flights