Cheapest return flights from Boston to Sao Paulo in December from 989€

Best time to book flights for Boston (BOS) to Sao Paulo (GRU) flights at AirHint

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

Return flights

11 Dec - 03 Jan LATAM Airlines Group
12 Dec - 04 Jan LATAM Airlines Group
18 Dec - 01 Jan LATAM Airlines Group
20 Dec - 03 Jan LATAM Airlines Group
20 Dec - 06 Jan Air Canada
20 Dec - 10 Jan Air Canada
18 Dec - 08 Jan Air Canada
22 Dec - 08 Jan Air Canada
25 Dec - 08 Jan Avianca

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

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.

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