Cheapest one-way flights from Chicago to Sao Paulo in September from 230€

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

One-Way flights

28 Sep Frontier Airlines
07 Sep Frontier Airlines
01 Sep Frontier Airlines
14 Sep Frontier Airlines
18 Sep Frontier Airlines
27 Sep Spirit Airlines
23 Sep Spirit Airlines
05 Sep Frontier Airlines
19 Sep Frontier Airlines
04 Sep Frontier Airlines

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

Skyscanner

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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