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

Return flights

11 Mar - 18 Mar	TAP
17 Mar - 24 Mar	TAP
15 Mar - 25 Mar	TAP
16 Mar - 30 Mar	TAP
22 Mar - 28 Mar	TAP
14 Mar - 20 Mar	TAP
19 Mar - 02 Apr	TAP
18 Mar - 11 Apr	TAP
05 Mar - 28 Mar	TAP
29 Mar - 05 Apr	Royal Air Maroc
06 Mar - 14 Mar	TAP
29 Mar - 18 Apr	Turkish Airlines
14 Mar - 04 Apr	TAP
17 Mar - 24 Mar	ITA Airways	direct
27 Mar - 18 Apr	Allegiant Air
26 Mar - 05 Apr	Austrian Airlines
20 Mar - 29 Mar	United
26 Mar - 02 Apr	Lufthansa
27 Mar - 03 Apr	Breeze Airways
26 Mar - 05 Apr	ITA Airways	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 446€

Return flights