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

Return flights

30 Mar - 25 Apr	Scandinavian Airlines
23 Mar - 22 Apr	TAP
15 Mar - 29 Mar	TAP
07 Mar - 14 Mar	Scandinavian Airlines
18 Mar - 01 Apr	TAP
02 Mar - 21 Mar	TAP
21 Mar - 28 Mar	TAP
13 Mar - 20 Mar	Icelandair
28 Mar - 03 Apr	Turkish Airlines
31 Mar - 07 Apr	Turkish Airlines
29 Mar - 05 Apr	TAP
26 Mar - 18 Apr	Turkish Airlines
27 Mar - 05 Apr	Royal Air Maroc
26 Mar - 05 Apr	Turkish Airlines
15 Mar - 29 Mar	ITA Airways	direct
23 Mar - 22 Apr	United	direct

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

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 March from 413€

Return flights