Cheapest one-way SFO–GRU flights, September

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

One-Way flights

17 Sep Frontier Airlines
01 Sep Frontier Airlines
22 Sep Frontier Airlines
15 Sep Frontier Airlines
16 Sep Frontier Airlines
28 Sep Frontier Airlines
19 Sep Frontier Airlines
26 Sep Frontier Airlines
23 Sep Alaska Airlines
13 Sep Frontier Airlines

Also check the deals for return 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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