Cheapest return flights from Boston to Sao Paulo in October from $497

AirHint found the following cheapest return flights from Boston (BOS) to Sao Paulo (GRU) in October 2025 (see full year).

Return flights

28 Oct - 11 Nov Avianca
30 Oct - 13 Nov Avianca
11 Oct - 19 Oct Avianca
09 Oct - 18 Oct Avianca
01 Oct - 06 Oct Avianca
10 Oct - 19 Oct Avianca
10 Oct - 18 Oct Avianca
12 Oct - 18 Oct Avianca
30 Oct - 13 Nov LATAM Airlines Group direct
09 Oct - 18 Oct Delta direct
11 Oct - 19 Oct Delta direct

Also check the deals for one-way flights from Boston to Sao Paulo in October.

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.

Book a cheap hotel in Sao Paulo

Cheap car rent in Sao Paulo

Feel free to contact us with any feedback or request another flight research.