Cheapest return flights from Monterrey to Sao Paulo in December from $597

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

Return flights

12 Dec - 14 Dec Copa
24 Dec - 28 Dec Aeromexico
21 Dec - 24 Jan Aeromexico
12 Dec - 15 Jan Aeromexico
25 Dec - 05 Jan Aeromexico
25 Dec - 03 Jan Viva
12 Dec - 04 Jan Viva
28 Dec - 15 Jan Viva
25 Dec - 15 Jan Viva
25 Dec - 28 Dec Viva
21 Dec - 28 Dec Viva
19 Dec - 04 Jan Viva
21 Dec - 25 Dec Viva

Also check the deals for one-way flights from Monterrey 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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