AirHint found the following cheapest one-way flights from Philadelphia (PHL) to Rome (FCO) in December 2025 (see full year).
One-Way flights
| 08 Dec | Frontier Airlines | ||
| 15 Dec | Frontier Airlines | ||
| 27 Dec | Frontier Airlines | ||
| 08 Dec | British Airways | direct | |
| 27 Dec | Iberia | direct |
Also check the deals for return flights from Philadelphia to Rome in December.
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