AirHint found the following cheapest one-way flights from Chicago (ORD) to Sao Paulo (GRU) in February 2026 (see full year).
One-Way flights
| 23 Feb | Arajet | ||
| 24 Feb | Spirit Airlines | ||
| 27 Feb | Frontier Airlines | ||
| 25 Feb | Copa | ||
| 26 Feb | Copa | ||
| 15 Feb | Copa | ||
| 28 Feb | Copa | ||
| 14 Feb | Arajet | ||
| 22 Feb | Spirit Airlines | ||
| 04 Feb | Spirit Airlines |
Also check the deals for return flights from Chicago to Sao Paulo in February.
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