AirHint found the following cheapest return flights from Washington (IAD) to Rome (FCO) in January 2026 (see full year).

Return flights

22 Jan - 05 Feb	TAP
16 Jan - 23 Jan	TAP
23 Jan - 28 Jan	TAP
19 Jan - 14 Feb	TAP
21 Jan - 31 Jan	TAP
22 Jan - 28 Jan	TAP
21 Jan - 28 Jan	TAP
19 Jan - 02 Feb	TAP
07 Jan - 31 Jan	Scandinavian Airlines
10 Jan - 24 Jan	Scandinavian Airlines
11 Jan - 17 Jan	TAP
24 Jan - 28 Jan	TAP
09 Jan - 31 Jan	TAP
20 Jan - 14 Feb	TAP
15 Jan - 07 Feb	TAP

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

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 January from 361€

Return flights