Cheapest return flights from Chicago to Sao Paulo in October from 457€

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

Return flights

21 Oct - 11 Nov Spirit Airlines
24 Oct - 27 Oct Spirit Airlines
04 Oct - 12 Oct Frontier Airlines
23 Oct - 11 Nov Spirit Airlines
12 Oct - 06 Nov Spirit Airlines
16 Oct - 18 Oct Avianca
17 Oct - 31 Oct Avianca
13 Oct - 27 Oct United
15 Oct - 29 Oct United
16 Oct - 30 Oct United
08 Oct - 22 Oct United
09 Oct - 23 Oct United
02 Oct - 16 Oct United
27 Oct - 10 Nov United
29 Oct - 12 Nov United
20 Oct - 03 Nov United
22 Oct - 05 Nov United
21 Oct - 11 Nov United direct
28 Oct - 11 Nov United direct
30 Oct - 13 Nov United direct

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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