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

Return flights

28 Sep - 02 Oct	JetSmart
28 Sep - 05 Oct	JetSmart
11 Sep - 22 Sep	JetSmart
11 Sep - 19 Sep	JetSmart
28 Sep - 03 Oct	JetSmart
11 Sep - 02 Oct	JetSmart
11 Sep - 15 Sep	JetSmart
06 Sep - 15 Sep	JetSmart
09 Sep - 15 Sep	JetSmart
12 Sep - 19 Sep	JetSmart
25 Sep - 02 Oct	JetSmart
06 Sep - 19 Sep	Aerolineas Argentinas
29 Sep - 11 Oct	JetSmart
18 Sep - 01 Oct	JetSmart
04 Sep - 13 Sep	JetSmart
08 Sep - 19 Sep	JetSmart
19 Sep - 29 Sep	JetSmart
18 Sep - 05 Oct	JetSmart
24 Sep - 02 Oct	LATAM Airlines Group
25 Sep - 03 Oct	JetSmart

Also check the deals for one-way flights from Buenos Aires to Cartagena in September.

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 Buenos Aires to Cartagena in September from 410€

Return flights