AirHint found the following cheapest return flights from Chicago (ORD) to Sao Paulo (GRU) in July 2025 (see full year).

Return flights

08 Jul - 14 Aug	Spirit Airlines
10 Jul - 20 Aug	Copa
05 Jul - 13 Aug	Copa
08 Jul - 22 Jul	Copa
15 Jul - 27 Jul	Spirit Airlines
22 Jul - 30 Jul	Spirit Airlines
07 Jul - 14 Aug	Frontier Airlines
19 Jul - 30 Jul	Frontier Airlines
21 Jul - 22 Aug	Spirit Airlines
07 Jul - 28 Aug	Copa
28 Jul - 02 Aug	Spirit Airlines
23 Jul - 30 Jul	Spirit Airlines
05 Jul - 12 Jul	Copa
01 Jul - 22 Jul	Air Canada
04 Jul - 11 Jul	Spirit Airlines
22 Jul - 31 Jul	Avianca
20 Jul - 03 Aug	United	direct
21 Jul - 04 Aug	United	direct
24 Jul - 07 Aug	United	direct
23 Jul - 30 Jul	United	direct

Also check the deals for one-way flights from Chicago to Sao Paulo in July.

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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Cheapest return flights from Chicago to Sao Paulo in July from $638

Return flights