AirHint found the following cheapest one-way flights from Chicago (MDW) to Paris (ORY) in October 2025 (see full year).

One-Way flights

03 Oct	Frontier Airlines
20 Oct	Frontier Airlines
13 Oct	Frontier Airlines
10 Oct	Frontier Airlines
01 Oct	Frontier Airlines
09 Oct	Frontier Airlines
30 Oct	Frontier Airlines
31 Oct	Frontier Airlines
04 Oct	Porter Airlines (Canada) Ltd
02 Oct	Frontier Airlines

Also check the deals for return 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.

Book a cheap hotel in Paris

Cheap car rent in Paris

Cheapest one-way flights from Chicago to Paris in October from $266

One-Way flights