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

Return flights

20 Sep - 27 Sep	Viva
26 Sep - 29 Sep	Copa
18 Sep - 30 Sep	Copa
22 Sep - 24 Sep	Avianca
26 Sep - 27 Sep	Viva
28 Sep - 18 Oct	Viva
28 Sep - 17 Oct	Viva
23 Sep - 26 Sep	Avianca
29 Sep - 13 Oct	Avianca
27 Sep - 13 Oct	Avianca
30 Sep - 13 Oct	Avianca
28 Sep - 13 Oct	Viva
28 Sep - 12 Oct	Viva
22 Sep - 27 Sep	Viva
20 Sep - 26 Sep	Viva
19 Sep - 27 Sep	Viva
18 Sep - 27 Sep	Viva
26 Sep - 17 Oct	Viva
26 Sep - 13 Oct	Viva
26 Sep - 12 Oct	Viva

Also check the deals for one-way flights from Cancun 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 Cancun to Cartagena in September from $336

Return flights