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

Return flights

17 Aug - 06 Sep	KLM
19 Aug - 27 Aug	KLM
17 Aug - 31 Aug	KLM
21 Aug - 27 Aug	KLM
21 Aug - 06 Sep	KLM
23 Aug - 31 Aug	KLM
21 Aug - 02 Sep	KLM
21 Aug - 07 Sep	KLM
21 Aug - 08 Sep	KLM
20 Aug - 24 Aug	KLM
20 Aug - 07 Sep	KLM
19 Aug - 26 Aug	KLM
20 Aug - 27 Aug	KLM
16 Aug - 30 Aug	KLM
20 Aug - 30 Aug	KLM
30 Aug - 03 Sep	Wingo
31 Aug - 04 Sep	Spirit Airlines
31 Aug - 12 Sep	Avianca
30 Aug - 23 Sep	LATAM Airlines Group
22 Aug - 29 Aug	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 711€

Return flights