AirHint found the following cheapest one-way flights from Chicago (ORD) to Paris (CDG) in September 2026 (see full year).
One-Way flights
| 06 Sep | Aer Lingus | ||
| 13 Sep | Aer Lingus | ||
| 21 Sep | Aer Lingus | ||
| 02 Sep | Aer Lingus | ||
| 16 Sep | Aer Lingus | ||
| 01 Sep | Lufthansa | ||
| 05 Sep | Spirit Airlines | ||
| 12 Sep | Lufthansa | ||
| 13 Sep | United | direct | |
| 06 Sep | Air France | direct |
Also check the deals for return flights from Chicago to Paris in September.
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