Cheapest return flights from Chicago to Rio De Janeiro in September from $625

AirHint found the following cheapest return flights from Chicago (MDW) to Rio De Janeiro (GIG) in September 2025 (see full year).

Return flights

09 Sep - 16 Sep LATAM Airlines Group
18 Sep - 27 Sep LATAM Airlines Group
03 Sep - 10 Sep LATAM Airlines Group
11 Sep - 17 Sep LATAM Airlines Group
10 Sep - 20 Sep Delta
18 Sep - 21 Sep Porter Airlines (Canada) Ltd
04 Sep - 11 Sep LATAM Airlines Group
11 Sep - 16 Sep LATAM Airlines Group
11 Sep - 18 Sep LATAM Airlines Group
02 Sep - 14 Sep Delta

Also check the deals for one-way flights from Chicago to Rio De Janeiro 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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