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

Return flights

25 Aug - 03 Sep	TAP
23 Aug - 29 Aug	TAP
16 Aug - 06 Sep	Frontier Airlines
29 Aug - 05 Sep	TAP
30 Aug - 08 Sep	Spirit Airlines
18 Aug - 13 Sep	TAP
24 Aug - 28 Aug	TAP
23 Aug - 28 Aug	Frontier Airlines
23 Aug - 13 Sep	Frontier Airlines
24 Aug - 31 Aug	Frontier Airlines
24 Aug - 01 Sep	Aer Lingus
25 Aug - 01 Sep	Aer Lingus
26 Aug - 01 Sep	Aer Lingus
19 Aug - 31 Aug	Spirit Airlines
19 Aug - 01 Sep	Frontier Airlines
27 Aug - 30 Aug	Turkish Airlines
16 Aug - 24 Aug	Spirit Airlines
17 Aug - 22 Aug	TAP
21 Aug - 30 Aug	Frontier Airlines
18 Aug - 24 Aug	Frontier Airlines

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 544€

Return flights