Cheapest return flights from Chicago to Sao Paulo in October from 504€

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

Return flights

08 Oct - 13 Oct Spirit Airlines
02 Oct - 08 Oct Spirit Airlines
22 Oct - 29 Oct Spirit Airlines
29 Oct - 06 Nov Spirit Airlines
04 Oct - 12 Oct Spirit Airlines
06 Oct - 11 Oct Frontier Airlines
02 Oct - 13 Oct United direct
08 Oct - 22 Oct United direct
09 Oct - 23 Oct United direct
06 Oct - 20 Oct United direct
07 Oct - 21 Oct United direct
20 Oct - 03 Nov United direct
22 Oct - 05 Nov United direct
23 Oct - 06 Nov United direct
28 Oct - 11 Nov United direct
29 Oct - 12 Nov United direct
30 Oct - 13 Nov United direct
29 Oct - 06 Nov United direct
21 Oct - 04 Nov United
27 Oct - 10 Nov United

Also check the deals for one-way 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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