AirHint found the following cheapest one-way flights from Chicago (ORD) to Sao Paulo (GRU) in January 2026 (see full year).
One-Way flights
| 01 Jan | Frontier Airlines | ||
| 09 Jan | Frontier Airlines | ||
| 17 Jan | Copa | ||
| 21 Jan | Copa | ||
| 27 Jan | Copa | ||
| 28 Jan | Copa | ||
| 14 Jan | Copa | ||
| 16 Jan | Copa | ||
| 24 Jan | Copa | ||
| 03 Jan | Spirit Airlines |
Also check the deals for return flights from Chicago to Sao Paulo in January.
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