Cheapest return flights from Houston to Sao Paulo in December from $683

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

Return flights

06 Dec - 13 Dec Spirit Airlines
03 Dec - 13 Dec Spirit Airlines
04 Dec - 14 Dec Spirit Airlines
20 Dec - 30 Dec Spirit Airlines
19 Dec - 30 Dec Spirit Airlines
09 Dec - 08 Jan Spirit Airlines
06 Dec - 16 Dec Spirit Airlines
01 Dec - 11 Dec Spirit Airlines
17 Dec - 10 Jan Spirit Airlines
24 Dec - 29 Dec Frontier Airlines
05 Dec - 15 Dec Spirit Airlines
31 Dec - 07 Jan Frontier Airlines
12 Dec - 22 Dec Avianca
19 Dec - 12 Jan Spirit Airlines
18 Dec - 10 Jan Spirit Airlines
20 Dec - 03 Jan Spirit Airlines
29 Dec - 01 Jan United
17 Dec - 10 Jan United direct
18 Dec - 10 Jan United direct
20 Dec - 03 Jan United direct

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

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