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

Return flights

03 Dec - 10 Dec	Delta
09 Dec - 18 Dec	Delta
31 Dec - 24 Jan	Virgin Atlantic
04 Dec - 09 Dec	Delta
04 Dec - 10 Dec	Delta
15 Dec - 25 Dec	Delta
10 Dec - 26 Jan	Delta
11 Dec - 16 Dec	Delta
02 Dec - 27 Dec	KLM
02 Dec - 08 Jan	Virgin Atlantic
17 Dec - 14 Jan	Virgin Atlantic
22 Dec - 17 Jan	Virgin Atlantic
23 Dec - 17 Jan	Virgin Atlantic
16 Dec - 20 Jan	Delta
29 Dec - 06 Jan	Delta
23 Dec - 28 Jan	Delta
25 Dec - 17 Jan	Virgin Atlantic
12 Dec - 16 Dec	Delta
09 Dec - 28 Dec	Frontier Airlines
26 Dec - 31 Dec	Virgin Atlantic

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 448€

Return flights