AirHint found the following cheapest one-way flights from Washington (DCA) to Rome (FCO) in December 2025 (see full year).
One-Way flights
| 29 Dec | jetBlue | ||
| 28 Dec | jetBlue | ||
| 10 Dec | Scandinavian Airlines | ||
| 11 Dec | jetBlue | ||
| 05 Dec | Alaska Airlines | ||
| 24 Dec | Alaska Airlines | ||
| 16 Dec | KLM | ||
| 25 Dec | TAP | ||
| 23 Dec | Delta | ||
| 15 Dec | Icelandair |
Also check the deals for return flights from Washington to Rome in December.
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