AirHint found the following cheapest one-way flights from Chicago (ORD) to Rome (FCO) in September 2026 (see full year).
One-Way flights
| 20 Sep | Icelandair | ||
| 09 Sep | Air Serbia | ||
| 19 Sep | Air Serbia | ||
| 21 Sep | Aer Lingus | ||
| 02 Sep | Lufthansa | ||
| 24 Sep | Aer Lingus | ||
| 11 Sep | TAP | ||
| 21 Sep | ITA Airways | direct | |
| 23 Sep | ITA Airways | direct | |
| 20 Sep | ITA Airways | direct |
Also check the deals for return flights from Chicago to Rome in September.
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