Cheapest return flights from Chicago to Sao Paulo in December from 600€

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

Return flights

30 Dec - 21 Jan Frontier Airlines
31 Dec - 18 Jan Arajet
31 Dec - 07 Jan Arajet
24 Dec - 27 Dec Copa
24 Dec - 11 Jan Arajet
25 Dec - 29 Dec Copa
29 Dec - 10 Jan Arajet
24 Dec - 05 Jan Avianca
26 Dec - 11 Jan Spirit Airlines
30 Dec - 04 Jan Avianca
28 Dec - 04 Jan Avianca
30 Dec - 21 Jan United direct
25 Dec - 29 Dec United direct
24 Dec - 27 Dec United direct

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

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