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Cheapest one-way flights from Chicago (ORD) to Sao Paulo (GRU), September

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Dates, airline, and price
Dates	Airline	Price
21 Sep	Arajet
25 Sep	Arajet
04 Sep	Arajet
05 Sep	Frontier Airlines
01 Sep	Frontier Airlines
27 Sep	Volaris
26 Sep	Volaris
09 Sep	Volaris
02 Sep	Frontier Airlines
08 Sep	Frontier Airlines

deals for return flights from Chicago to Sao Paulo in September.

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Updated Jul 22, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest one-way flights from Chicago (ORD) to Sao Paulo (GRU), September

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