Cheapest return flights from Chicago to Paris in September from $426

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

Return flights

01 Sep - 12 Sep SWISS
16 Sep - 22 Oct Icelandair
23 Sep - 30 Sep Icelandair
22 Sep - 02 Oct Icelandair
06 Sep - 22 Sep Air Canada
02 Sep - 16 Sep Icelandair
12 Sep - 26 Sep Icelandair
12 Sep - 19 Sep Icelandair
26 Sep - 03 Oct Icelandair
03 Sep - 10 Sep Icelandair
08 Sep - 12 Sep Icelandair
04 Sep - 16 Sep Icelandair
08 Sep - 23 Sep Icelandair
25 Sep - 12 Oct Icelandair
27 Sep - 04 Oct Icelandair
16 Sep - 10 Oct Lufthansa
16 Sep - 22 Oct Air France direct
30 Sep - 06 Oct Icelandair
19 Sep - 06 Oct Icelandair
09 Sep - 25 Oct Air France

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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