AirHint found the following cheapest return flights from Washington (DCA) to Rome (FCO) in December 2025 (see full year).

Return flights

15 Dec - 24 Dec	British Airways
02 Dec - 08 Dec	American Airlines
14 Dec - 11 Jan	British Airways
13 Dec - 10 Jan	Air Canada
04 Dec - 14 Dec	British Airways
13 Dec - 20 Dec	United
04 Dec - 10 Dec	Icelandair
12 Dec - 26 Dec	British Airways
15 Dec - 29 Dec	British Airways
25 Dec - 11 Jan	Air Canada
17 Dec - 01 Jan	Scandinavian Airlines
20 Dec - 28 Dec	Air Canada
17 Dec - 04 Jan	British Airways
22 Dec - 06 Jan	Air Canada
26 Dec - 02 Jan	Air Canada
23 Dec - 30 Dec	United
06 Dec - 15 Dec	TAP
17 Dec - 02 Jan	Air Canada
17 Dec - 03 Jan	Air Canada
19 Dec - 03 Jan	Air Canada

Also check the deals for one-way flights from Washington to Rome in December.

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.

Book a cheap hotel in Rome

Cheap car rent in Rome

Cheapest return flights from Washington to Rome in December from $490

Return flights