Cheapest return flights from Austin to Sao Paulo in December from 635€

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

Return flights

09 Dec - 31 Dec United
15 Dec - 29 Dec LATAM Airlines Group
16 Dec - 28 Dec LATAM Airlines Group
15 Dec - 28 Dec LATAM Airlines Group
16 Dec - 29 Dec LATAM Airlines Group
16 Dec - 26 Dec LATAM Airlines Group
21 Dec - 01 Jan Spirit Airlines
28 Dec - 02 Jan LATAM Airlines Group
06 Dec - 03 Jan Copa
22 Dec - 05 Jan Frontier Airlines
19 Dec - 20 Dec Frontier Airlines
18 Dec - 05 Jan Copa

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

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