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

Return flights

01 Sep - 05 Sep	JetSmart
29 Sep - 17 Oct	JetSmart
01 Sep - 08 Sep	JetSmart
29 Sep - 10 Oct	JetSmart
01 Sep - 07 Sep	JetSmart
05 Sep - 08 Sep	JetSmart
05 Sep - 07 Sep	JetSmart
01 Sep - 21 Sep	JetSmart
15 Sep - 21 Sep	JetSmart
06 Sep - 09 Sep	JetSmart
29 Sep - 05 Oct	JetSmart
05 Sep - 21 Sep	JetSmart
17 Sep - 21 Sep	JetSmart
29 Sep - 02 Oct	JetSmart
28 Sep - 17 Oct	JetSmart
28 Sep - 10 Oct	JetSmart
15 Sep - 05 Oct	JetSmart
17 Sep - 05 Oct	JetSmart
15 Sep - 02 Oct	JetSmart
17 Sep - 02 Oct	JetSmart

Also check the deals for one-way flights from Cartagena to Santiago 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 Santiago in September from 340€

Return flights