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

Return flights

24 Dec - 21 Jan	Arajet
28 Dec - 14 Jan	Avianca
24 Dec - 31 Dec	Arajet
25 Dec - 01 Jan	Arajet
24 Dec - 15 Jan	Arajet
24 Dec - 01 Jan	Arajet
31 Dec - 11 Jan	Arajet
22 Dec - 30 Jan	LATAM Airlines Group
26 Dec - 31 Dec	Sky Airline
25 Dec - 11 Jan	Arajet
31 Dec - 06 Jan	Arajet
28 Dec - 12 Jan	Avianca
24 Dec - 28 Dec	Arajet
25 Dec - 28 Dec	Arajet
22 Dec - 29 Dec	Avianca
22 Dec - 31 Dec	Hahn Air Technologies
23 Dec - 28 Dec	Avianca
21 Dec - 28 Dec	United
20 Dec - 23 Dec	United
20 Dec - 27 Dec	United

Also check the deals for one-way flights from Miami 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.

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Cheapest return flights from Miami to Sao Paulo in December from 513€

Return flights