AirHint found the following cheapest one-way flights from Boston (BOS) to Sao Paulo (GRU) in December 2025 (see full year).
One-Way flights
| 15 Dec | Spirit Airlines | ||
| 31 Dec | United | ||
| 03 Dec | United | ||
| 04 Dec | United | ||
| 02 Dec | Delta | ||
| 01 Dec | American Airlines | ||
| 08 Dec | United | ||
| 10 Dec | LATAM Airlines Group | ||
| 11 Dec | LATAM Airlines Group | ||
| 09 Dec | Copa |
Also check the deals for return flights from Boston to Sao Paulo in December.
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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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