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

Return flights

11 Aug - 25 Aug	Iberia
11 Aug - 19 Aug	Finnair	direct
31 Aug - 07 Sep	Icelandair
28 Aug - 31 Aug	Icelandair
29 Aug - 13 Sep	Icelandair
24 Aug - 09 Sep	Delta
30 Aug - 06 Sep	Icelandair
14 Aug - 21 Aug	Finnair
03 Aug - 15 Aug	Air France
06 Aug - 15 Aug	Delta
04 Aug - 14 Aug	Air France
24 Aug - 02 Sep	Virgin Atlantic
10 Aug - 19 Aug	British Airways
26 Aug - 16 Sep	Icelandair
13 Aug - 17 Aug	Icelandair
04 Aug - 17 Aug	Icelandair
18 Aug - 01 Sep	Air Canada
23 Aug - 02 Sep	KLM
27 Aug - 03 Sep	Icelandair
24 Aug - 01 Sep	British Airways

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 $439

Return flights