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

Return flights

14 Sep - 11 Oct	Ethiopian Airlines
24 Sep - 29 Oct	Ryanair
19 Sep - 19 Oct	Ryanair
11 Sep - 25 Sep	KLM
21 Sep - 06 Oct	Air France
18 Sep - 30 Sep	Ryanair
19 Sep - 18 Oct	KLM
08 Sep - 24 Sep	KLM
15 Sep - 29 Sep	Ryanair
28 Sep - 01 Oct	Ryanair
02 Sep - 15 Sep	Wizz Air
25 Sep - 30 Oct	KLM
20 Sep - 25 Sep	Ryanair
25 Sep - 02 Oct	KLM
06 Sep - 10 Sep	KLM
15 Sep - 28 Sep	Lufthansa
25 Sep - 01 Oct	Air Canada

Also check the deals for one-way flights from Warsaw to Sao Paulo 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 Warsaw to Sao Paulo in September from 771€

Return flights