Cheapest return ATL–CTG flights, September

AirHint found the following cheapest return flights from Atlanta (ATL) to Cartagena (CTG) in September 2026 (see full year).

Return flights

21 Sep - 26 Sep jetBlue
01 Sep - 08 Sep Frontier Airlines
22 Sep - 26 Sep Spirit Airlines
01 Sep - 08 Sep Delta direct
19 Sep - 24 Sep jetBlue
24 Sep - 28 Sep Spirit Airlines
25 Sep - 28 Sep Spirit Airlines
19 Sep - 24 Sep Delta direct
24 Sep - 15 Oct Spirit Airlines
01 Sep - 10 Sep Spirit Airlines
25 Sep - 15 Oct Spirit Airlines
14 Sep - 28 Sep Spirit Airlines
24 Sep - 08 Oct Spirit Airlines
24 Sep - 09 Oct Spirit Airlines
25 Sep - 08 Oct Spirit Airlines
25 Sep - 09 Oct Spirit Airlines
24 Sep - 11 Oct Spirit Airlines
25 Sep - 11 Oct Spirit Airlines
24 Sep - 12 Oct Spirit Airlines
25 Sep - 12 Oct Spirit Airlines

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

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