AirHint found the following cheapest return flights from Sao Paulo (GRU) to Copenhagen (CPH) in September 2025 (see full year).

Return flights

11 Sep - 17 Sep	Avianca
10 Sep - 21 Sep	Avianca
11 Sep - 18 Sep	Avianca
26 Sep - 03 Oct	KLM
09 Sep - 18 Sep	KLM
23 Sep - 04 Oct	KLM
09 Sep - 17 Sep	Royal Air Maroc
09 Sep - 22 Sep	KLM
08 Sep - 15 Sep	KLM
19 Sep - 01 Oct	Air France
04 Sep - 15 Sep	KLM
04 Sep - 13 Sep	KLM
27 Sep - 04 Oct	TAP
19 Sep - 04 Oct	Air France
07 Sep - 28 Sep	KLM

Also check the deals for one-way flights from Sao Paulo to Copenhagen 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 Sao Paulo to Copenhagen in September from 869€

Return flights