Cheapest return flights from Austin to Sao Paulo in December from 569€

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

Return flights

03 Dec - 13 Dec LATAM Airlines Group
13 Dec - 10 Jan LATAM Airlines Group
28 Dec - 04 Jan LATAM Airlines Group
25 Dec - 17 Jan Spirit Airlines
22 Dec - 17 Jan Frontier Airlines
22 Dec - 16 Jan Frontier Airlines
20 Dec - 17 Jan Spirit Airlines
11 Dec - 31 Dec Spirit Airlines
21 Dec - 17 Jan Spirit Airlines
28 Dec - 07 Jan LATAM Airlines Group
22 Dec - 10 Jan Spirit Airlines
21 Dec - 10 Jan Spirit Airlines

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

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