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

Return flights

12 Jan - 07 Feb	Scandinavian Airlines
26 Jan - 31 Jan	Scandinavian Airlines
21 Jan - 04 Feb	TAP
13 Jan - 20 Jan	TAP
18 Jan - 07 Feb	Frontier Airlines
24 Jan - 08 Feb	Frontier Airlines
14 Jan - 07 Feb	TAP
13 Jan - 07 Feb	TAP
21 Jan - 25 Jan	TAP
15 Jan - 07 Feb	TAP
11 Jan - 18 Jan	TAP
09 Jan - 13 Jan	Icelandair
11 Jan - 25 Jan	Scandinavian Airlines
09 Jan - 16 Jan	Icelandair
10 Jan - 23 Jan	Frontier Airlines
11 Jan - 17 Jan	Frontier Airlines
15 Jan - 20 Jan	TAP
30 Jan - 22 Feb	TAP
27 Jan - 01 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 359€

Return flights