AirHint found the following cheapest return flights from San Francisco (SFO) to Sao Paulo (GRU) in October 2025 (see full year).
Return flights
| 29 Oct - 12 Nov | Copa | ||
| 23 Oct - 02 Nov | LATAM Airlines Group | ||
| 15 Oct - 27 Oct | United | ||
| 29 Oct - 26 Nov | Delta | ||
| 18 Oct - 25 Oct | United | ||
| 30 Oct - 03 Nov | GOL Linhas Aéreas |
Also check the deals for one-way flights from San Francisco to Sao Paulo in October.
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