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

Return flights

22 Aug - 29 Aug	Aeromexico
22 Aug - 31 Aug	Avianca
12 Aug - 22 Aug	Copa
21 Aug - 26 Aug	Copa
13 Aug - 18 Aug	Copa
28 Aug - 09 Sep	Copa
21 Aug - 25 Aug	Copa
31 Aug - 07 Sep	Copa
20 Aug - 27 Aug	Copa
28 Aug - 01 Sep	Copa
01 Aug - 08 Aug	Copa
01 Aug - 07 Aug	Copa
06 Aug - 11 Aug	Avianca

Also check the deals for one-way flights from Cancun to Cartagena in August.

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 August from $317

Return flights