Cheapest one-way flights from Chicago to Sao Paulo in December from 175€

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

One-Way flights

31 Dec Arajet
09 Dec Spirit Airlines
15 Dec Spirit Airlines
16 Dec Spirit Airlines
23 Dec Frontier Airlines
24 Dec Frontier Airlines
06 Dec Spirit Airlines
05 Dec Frontier Airlines
11 Dec Frontier Airlines
02 Dec Spirit Airlines

Also check the deals for return 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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