AirHint found the following cheapest one-way flights from Chicago (ORD) to Rome (FCO) in March 2026 (see full year).
One-Way flights
| 05 Mar | Frontier Airlines | ||
| 11 Mar | TAP | ||
| 25 Mar | TAP | ||
| 15 Mar | United | ||
| 11 Mar | United | direct | |
| 05 Mar | United | direct | |
| 15 Mar | United | direct | |
| 25 Mar | United | direct |
Also check the deals for return flights from Chicago to Rome in March.
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