AirHint found the following cheapest one-way flights from Washington (IAD) to Rome (FCO) in December 2025 (see full year).
One-Way flights
| 01 Dec | TAP | ||
| 02 Dec | TAP | ||
| 08 Dec | TAP | ||
| 07 Dec | TAP | ||
| 06 Dec | Frontier Airlines | ||
| 04 Dec | TAP | ||
| 05 Dec | TAP | ||
| 12 Dec | Frontier Airlines | ||
| 16 Dec | Frontier Airlines | ||
| 11 Dec | TAP |
Also check the deals for return flights from Washington to Rome in December.
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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
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