AirHint found the following cheapest return flights from Chicago (ORD) to Rome (FCO) in September 2026 (see full year).
Return flights
| 04 Sep - 15 Sep | TAP | ||
| 03 Sep - 11 Sep | TAP | ||
| 04 Sep - 15 Sep | ITA Airways | direct | |
| 03 Sep - 11 Sep | ITA Airways | direct |
Also check the deals for one-way flights from Chicago to Rome in September.
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