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

Return flights

02 Mar - 09 Mar	TAP
01 Mar - 20 Mar	British Airways
17 Mar - 24 Mar	British Airways
31 Mar - 07 Apr	ITA Airways	direct
14 Mar - 21 Mar	Icelandair
31 Mar - 06 Apr	Air Canada
28 Mar - 06 Apr	Air Canada
27 Mar - 05 Apr	Royal Air Maroc
28 Mar - 04 Apr	Air Canada
16 Mar - 20 Mar	Lufthansa
16 Mar - 20 Mar	Lufthansa	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.

Book a cheap hotel in Rome

Cheap car rent in Rome

Cheapest return flights from Washington to Rome in March from $453

Return flights