Cheapest return flights from Madison to Sao Paulo in December from $1085

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

Return flights

23 Dec - 15 Jan LATAM Airlines Group
10 Dec - 14 Jan American Airlines
23 Dec - 23 Jan LATAM Airlines Group
23 Dec - 12 Jan LATAM Airlines Group
22 Dec - 29 Dec LATAM Airlines Group
18 Dec - 25 Dec LATAM Airlines Group

Also check the deals for one-way flights from Madison 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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