AirHint found the following cheapest return flights from Boston (BOS) to Sao Paulo (GRU) in October 2025 (see full year).
Return flights
| 30 Oct - 06 Nov | United | ||
| 30 Oct - 20 Nov | United | ||
| 30 Oct - 04 Nov | Copa | ||
| 30 Oct - 20 Nov | LATAM Airlines Group | direct | |
| 30 Oct - 04 Nov | LATAM Airlines Group | direct | |
| 30 Oct - 06 Nov | LATAM Airlines Group | direct |
Also check the deals for one-way flights from Boston to Sao Paulo in October.
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