Cheapest return flights from Boston to Sao Paulo in December from $831
AirHint found the following cheapest return flights from Boston (BOS) to Sao Paulo (GRU) in December 2025 (see full year).
Return flights
| 04 Dec - 08 Jan | GOL Linhas Aéreas | ||
| 04 Dec - 08 Jan | LATAM Airlines Group | direct | |
| 18 Dec - 01 Jan | LATAM Airlines Group | ||
| 18 Dec - 01 Jan | LATAM Airlines Group | direct | |
| 19 Dec - 02 Jan | Avianca |
Also check the deals for one-way flights from Boston to Sao Paulo in December.
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.
