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

Return flights

07 Aug - 21 Aug	Plus Ultra Lineas Aereas
20 Aug - 17 Sep	Avianca
06 Aug - 04 Sep	Plus Ultra Lineas Aereas
04 Aug - 04 Sep	Plus Ultra Lineas Aereas
14 Aug - 27 Aug	Avianca
17 Aug - 24 Aug	Avianca
25 Aug - 31 Aug	JetSmart
02 Aug - 18 Aug	Avianca
07 Aug - 22 Aug	Plus Ultra Lineas Aereas
14 Aug - 08 Sep	Plus Ultra Lineas Aereas
10 Aug - 24 Aug	Avianca
08 Aug - 23 Aug	Avianca
06 Aug - 18 Aug	Plus Ultra Lineas Aereas
09 Aug - 23 Aug	KLM
21 Aug - 12 Sep	KLM
21 Aug - 05 Sep	KLM
13 Aug - 07 Sep	Avianca
20 Aug - 07 Sep	Avianca
25 Aug - 10 Sep	KLM

Also check the deals for one-way flights from Cartagena to Madrid 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 Cartagena to Madrid in August from $798

Return flights