Cheapest return flights from Chicago to Sao Paulo in December from $496

Best time to book flights for Chicago (ORD) to Sao Paulo (GRU) flights at AirHint

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

Return flights

17 Dec - 30 Dec Arajet
29 Dec - 24 Jan Arajet
12 Dec - 09 Jan Sun Country Airlines
20 Dec - 10 Jan Arajet
26 Dec - 02 Jan Sun Country Airlines
29 Dec - 24 Jan United direct
26 Dec - 03 Jan LATAM Airlines Group
08 Dec - 09 Jan Delta
17 Dec - 30 Dec United direct
26 Dec - 02 Jan United direct
12 Dec - 09 Jan United direct
13 Dec - 10 Jan United direct

Also check the deals for one-way flights from Chicago 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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