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

Return flights

11 Aug - 22 Aug	TAP
11 Aug - 24 Aug	TAP
17 Aug - 27 Aug	TAP
24 Aug - 08 Sep	TAP
18 Aug - 25 Aug	TAP
16 Aug - 23 Aug	TAP
08 Aug - 23 Aug	TAP
21 Aug - 25 Aug	TAP
15 Aug - 23 Aug	TAP
04 Aug - 20 Aug	SWISS
24 Aug - 31 Aug	TAP
20 Aug - 03 Sep	Spirit Airlines
30 Aug - 07 Sep	TAP
26 Aug - 28 Sep	Spirit Airlines
30 Aug - 06 Sep	Spirit Airlines
30 Aug - 08 Sep	TAP
30 Aug - 10 Sep	Icelandair
30 Aug - 09 Sep	Spirit Airlines
29 Aug - 05 Sep	Spirit Airlines
28 Aug - 01 Sep	Icelandair

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 332€

Return flights