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

Return flights

09 Dec - 16 Dec	Delta
16 Dec - 18 Jan	Delta
23 Dec - 30 Dec	Delta
22 Dec - 28 Dec	Delta
23 Dec - 28 Dec	Delta
12 Dec - 26 Dec	Air France
26 Dec - 31 Dec	Virgin Atlantic
18 Dec - 27 Dec	KLM
29 Dec - 04 Jan	KLM
18 Dec - 02 Jan	Delta
22 Dec - 03 Jan	Delta
19 Dec - 02 Jan	Delta

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

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 December from 386€

Return flights