Cheapest one-way flights from Chicago to Sao Paulo in October from 237€

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

One-Way flights

25 Oct Spirit Airlines
14 Oct Spirit Airlines
15 Oct Spirit Airlines
07 Oct Spirit Airlines
18 Oct Spirit Airlines
17 Oct Frontier Airlines
05 Oct Frontier Airlines
19 Oct Spirit Airlines
08 Oct Spirit Airlines
22 Oct Spirit Airlines

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

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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