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

Return flights

05 Aug - 20 Aug	Air Canada
13 Aug - 20 Aug	Air Canada
11 Aug - 20 Aug	Air Canada
11 Aug - 18 Aug	Icelandair
11 Aug - 20 Aug	Delta	direct
04 Aug - 20 Aug	Air France	direct
13 Aug - 20 Aug	Finnair	direct
11 Aug - 22 Aug	Finnair	direct
10 Aug - 17 Aug	Icelandair
06 Aug - 19 Aug	Air France
20 Aug - 03 Sep	KLM
30 Aug - 10 Sep	Icelandair
30 Aug - 09 Sep	Icelandair
28 Aug - 01 Sep	Icelandair
24 Aug - 08 Sep	Air France	direct
27 Aug - 08 Sep	KLM
30 Aug - 06 Sep	Icelandair
30 Aug - 07 Sep	Air Canada
20 Aug - 03 Sep	Finnair	direct
26 Aug - 28 Sep	Air Canada

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

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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Cheapest return flights from Chicago to Paris in August from 333€

Return flights