AirHint found the following cheapest return flights from Los Angeles (LAX) to Cartagena (CTG) in September 2025 (see full year).

Return flights

13 Sep - 20 Sep	Spirit Airlines
15 Sep - 17 Sep	Spirit Airlines
29 Sep - 12 Oct	Spirit Airlines
28 Sep - 06 Oct	Spirit Airlines
29 Sep - 03 Oct	Spirit Airlines
12 Sep - 24 Sep	Spirit Airlines
15 Sep - 03 Oct	Spirit Airlines
13 Sep - 07 Oct	Spirit Airlines
15 Sep - 29 Sep	Spirit Airlines
17 Sep - 24 Sep	Spirit Airlines
16 Sep - 23 Sep	Spirit Airlines
09 Sep - 16 Sep	Spirit Airlines
15 Sep - 22 Sep	Spirit Airlines
10 Sep - 14 Sep	Spirit Airlines
05 Sep - 08 Sep	Avianca

Also check the deals for one-way flights from Los Angeles 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 Los Angeles to Cartagena in September from $285

Return flights