Cheapest return flights from San Francisco to Sao Paulo in September from $640

AirHint found the following cheapest return flights from San Francisco (SFO) to Sao Paulo (GRU) in September 2026 (see full year).

Return flights

16 Sep - 22 Sep Copa
07 Sep - 16 Sep Delta
19 Sep - 25 Sep Delta

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

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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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