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

Return flights

01 Aug - 11 Aug	JetSmart
16 Aug - 23 Aug	JetSmart
14 Aug - 21 Aug	JetSmart
03 Aug - 08 Aug	Avianca	direct
01 Aug - 11 Aug	Avianca	direct
03 Aug - 10 Aug	Avianca	direct
13 Aug - 18 Aug	Avianca	direct
07 Aug - 13 Aug	Avianca	direct
17 Aug - 25 Aug	Avianca	direct
01 Aug - 03 Aug	Avianca	direct
24 Aug - 03 Sep	Avianca	direct

Also check the deals for one-way flights from Cartagena to San Jose 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 San Jose in August from 177€

Return flights