AirHint found the following cheapest return flights from Sao Paulo (GRU) to Cartagena (CTG) in October 2025 (see full year).

Return flights

21 Oct - 27 Oct	Copa
19 Oct - 25 Oct	Copa
19 Oct - 05 Nov	Copa
31 Oct - 15 Nov	Copa
23 Oct - 01 Nov	Copa
23 Oct - 02 Nov	Copa
23 Oct - 03 Nov	Copa
24 Oct - 01 Nov	Copa
24 Oct - 02 Nov	Copa
24 Oct - 04 Nov	Copa
25 Oct - 02 Nov	Copa
25 Oct - 04 Nov	Copa
03 Oct - 08 Oct	Copa
11 Oct - 18 Oct	Avianca
18 Oct - 24 Oct	Avianca
18 Oct - 25 Oct	Copa
11 Oct - 21 Oct	Avianca

Also check the deals for one-way flights from Sao Paulo to Cartagena in October.

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 Sao Paulo to Cartagena in October from $357

Return flights