AirHint found the following cheapest return flights from Salt Lake City (SLC) to Sao Paulo (GRU) in September 2025 (see full year).

Return flights

04 Sep - 18 Sep	Spirit Airlines
20 Sep - 30 Sep	Frontier Airlines
08 Sep - 18 Sep	Frontier Airlines
28 Sep - 08 Oct	Frontier Airlines
22 Sep - 02 Oct	Frontier Airlines
18 Sep - 28 Sep	Frontier Airlines
06 Sep - 16 Sep	Copa
04 Sep - 14 Sep	Frontier Airlines
01 Sep - 08 Sep	Frontier Airlines
26 Sep - 06 Oct	Frontier Airlines
02 Sep - 12 Sep	Copa
10 Sep - 20 Sep	Copa
16 Sep - 26 Sep	Copa
30 Sep - 10 Oct	Copa
24 Sep - 04 Oct	LATAM Airlines Group

Also check the deals for one-way flights from Salt Lake City 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 Salt Lake City to Sao Paulo in September from $649

Return flights