Cheapest return flights from Chicago to Paris in September from $715

AirHint found the following cheapest return flights from Chicago (MDW) to Paris (ORY) in September 2025 (see full year).

Return flights

05 Sep - 14 Sep Frontier Airlines
05 Sep - 27 Sep Frontier Airlines
19 Sep - 06 Oct Frontier Airlines
16 Sep - 19 Sep Frontier Airlines
11 Sep - 16 Sep Frontier Airlines
18 Sep - 28 Sep Frontier Airlines
18 Sep - 21 Sep Frontier Airlines
25 Sep - 28 Sep Frontier Airlines
19 Sep - 11 Oct Frontier Airlines
14 Sep - 21 Sep Frontier Airlines
19 Sep - 21 Sep Frontier Airlines
18 Sep - 11 Oct Frontier Airlines
24 Sep - 29 Sep Frontier Airlines
25 Sep - 05 Oct Frontier Airlines
29 Sep - 05 Oct Frontier Airlines
09 Sep - 04 Oct Frontier Airlines
25 Sep - 03 Oct Frontier Airlines
27 Sep - 04 Oct Frontier Airlines
26 Sep - 03 Oct Porter Airlines (Canada) Ltd
20 Sep - 11 Oct Frontier Airlines

Also check the deals for one-way flights from Chicago to Paris 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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