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

Return flights

11 Dec - 13 Jan	British Airways
15 Dec - 10 Jan	American Airlines
16 Dec - 11 Jan	jetBlue
21 Dec - 09 Jan	jetBlue
17 Dec - 06 Jan	jetBlue
28 Dec - 09 Jan	Air Canada
16 Dec - 05 Jan	jetBlue
20 Dec - 09 Jan	jetBlue
09 Dec - 16 Dec	United
17 Dec - 05 Jan	jetBlue
24 Dec - 05 Jan	jetBlue
04 Dec - 11 Dec	United
15 Dec - 27 Dec	American Airlines
14 Dec - 21 Dec	United
22 Dec - 31 Dec	Delta
19 Dec - 26 Dec	United
20 Dec - 27 Dec	British Airways

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.

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Cheapest return flights from Washington to Rome in December from $543

Return flights