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

Return flights

27 Sep - 28 Sep	Avianca
27 Sep - 07 Oct	Avianca
17 Sep - 23 Sep	Copa
27 Sep - 05 Oct	Avianca
27 Sep - 16 Oct	Avianca
26 Sep - 03 Oct	Avianca
21 Sep - 23 Sep	Avianca
21 Sep - 27 Sep	Avianca
21 Sep - 28 Sep	Avianca
17 Sep - 22 Sep	Copa
21 Sep - 07 Oct	Avianca
27 Sep - 29 Sep	Avianca
28 Sep - 11 Oct	Avianca
21 Sep - 05 Oct	Avianca
21 Sep - 25 Sep	Avianca
26 Sep - 27 Sep	Avianca
21 Sep - 26 Sep	Avianca
26 Sep - 07 Oct	Avianca
29 Sep - 07 Oct	Avianca
26 Sep - 05 Oct	Avianca

Also check the deals for one-way flights from Cartagena to Cancun 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 Cartagena to Cancun in September from $345

Return flights