Cheapest one-way flights from Washington to Rome in December from $292

AirHint found the following cheapest one-way flights from Washington (IAD) to Rome (FCO) in December 2025 (see full year).

One-Way flights

30 Dec Icelandair
31 Dec Icelandair
29 Dec Frontier Airlines
24 Dec Lufthansa
25 Dec Air Canada
29 Dec Austrian Airlines direct
31 Dec Austrian Airlines direct
30 Dec Austrian Airlines direct
24 Dec Austrian Airlines direct
25 Dec Austrian Airlines direct

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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