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

Return flights

22 Oct - 05 Nov	Delta
26 Oct - 04 Nov	Virgin Atlantic
21 Oct - 15 Nov	Virgin Atlantic
29 Oct - 09 Nov	Virgin Atlantic
22 Oct - 15 Nov	Virgin Atlantic
19 Oct - 08 Nov	Virgin Atlantic
20 Oct - 15 Nov	Virgin Atlantic
25 Oct - 01 Nov	Air France
23 Oct - 15 Nov	Virgin Atlantic
18 Oct - 08 Nov	Virgin Atlantic
24 Oct - 31 Oct	Delta
24 Oct - 30 Oct	Delta
21 Oct - 28 Oct	Air France
22 Oct - 31 Oct	Air France
22 Oct - 26 Oct	Virgin Atlantic
17 Oct - 26 Oct	Virgin Atlantic
17 Oct - 25 Oct	Delta
22 Oct - 25 Oct	Frontier Airlines
27 Oct - 31 Oct	Air France

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

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 October from 448€

Return flights