Cheapest return flights from San Francisco to Sao Paulo in September from $622

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

Return flights

23 Sep - 30 Sep Copa
02 Sep - 12 Sep Copa
01 Sep - 08 Sep Copa
18 Sep - 09 Oct Copa
17 Sep - 09 Oct Copa
17 Sep - 24 Sep Air Canada
06 Sep - 11 Sep Copa
19 Sep - 09 Oct Air Canada
01 Sep - 14 Sep Copa
10 Sep - 16 Sep American Airlines

Also check the deals for one-way flights from San Francisco to Sao Paulo in September.

Skyscanner

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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