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

Return flights

25 Sep - 08 Oct	Air France
21 Sep - 28 Sep	LATAM Airlines Group
19 Sep - 10 Oct	Avianca
26 Sep - 03 Oct	Air France
19 Sep - 03 Oct	Avianca
17 Sep - 20 Sep	LATAM Airlines Group
28 Sep - 05 Oct	Air France
19 Sep - 04 Oct	British Airways
11 Sep - 25 Sep	Air France
07 Sep - 18 Sep	KLM
19 Sep - 28 Sep	KLM
14 Sep - 30 Sep	Air France
01 Sep - 28 Sep	Air France
04 Sep - 30 Sep	Air France
04 Sep - 15 Sep	SWISS

Also check the deals for one-way flights from Sao Paulo to Budapest 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 Budapest in September from 873€

Return flights