Cheapest return flights from Boston to Sao Paulo in December from 928€

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

Return flights

22 Dec - 18 Jan Spirit Airlines
29 Dec - 12 Jan United
20 Dec - 16 Jan Avianca
17 Dec - 27 Dec LATAM Airlines Group
16 Dec - 15 Jan Delta
12 Dec - 19 Dec Copa
18 Dec - 27 Dec Air Canada
20 Dec - 09 Jan Avianca
18 Dec - 15 Jan Air Canada
12 Dec - 11 Jan Air Canada
19 Dec - 28 Dec Air Canada
12 Dec - 11 Jan Delta direct
11 Dec - 01 Jan Delta direct
12 Dec - 01 Jan Air Canada
19 Dec - 28 Dec LATAM Airlines Group direct

Also check the deals for one-way 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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