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

Return flights

15 Mar - 24 Mar	TAP
05 Mar - 09 Mar	TAP
05 Mar - 12 Mar	TAP
11 Mar - 25 Mar	TAP
04 Mar - 28 Mar	TAP
22 Mar - 11 Apr	TAP
17 Mar - 11 Apr	TAP
06 Mar - 11 Mar	TAP
07 Mar - 14 Mar	TAP
08 Mar - 22 Mar	TAP
12 Mar - 22 Mar	TAP
01 Mar - 21 Mar	Royal Air Maroc
13 Mar - 04 Apr	Royal Air Maroc
15 Mar - 04 Apr	Royal Air Maroc
29 Mar - 04 Apr	Royal Air Maroc
14 Mar - 04 Apr	Scandinavian Airlines
27 Mar - 18 Apr	Royal Air Maroc
27 Mar - 06 Apr	Turkish Airlines
17 Mar - 11 Apr	ITA Airways	direct
15 Mar - 04 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.

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Cheapest return flights from Washington to Rome in March from $407

Return flights