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

Return flights

10 Aug - 19 Aug	Virgin Atlantic
11 Aug - 22 Aug	Delta
05 Aug - 20 Aug	KLM
17 Aug - 27 Aug	Delta
20 Aug - 03 Sep	Delta
11 Aug - 10 Sep	Virgin Atlantic
06 Aug - 24 Aug	Delta
18 Aug - 25 Aug	Delta
02 Aug - 13 Aug	Delta
24 Aug - 31 Aug	Delta
21 Aug - 25 Aug	Delta
14 Aug - 30 Aug	Delta
24 Aug - 08 Sep	Delta
26 Aug - 01 Sep	Virgin Atlantic
27 Aug - 08 Sep	Delta
30 Aug - 07 Sep	Frontier Airlines
26 Aug - 28 Sep	Porter Airlines (Canada) Ltd
28 Aug - 08 Sep	Porter Airlines (Canada) Ltd
29 Aug - 03 Sep	Porter Airlines (Canada) Ltd
29 Aug - 08 Sep	Delta

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 371€

Return flights