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

Return flights

04 Mar - 18 Mar	TAP
19 Mar - 26 Mar	TAP
04 Mar - 11 Mar	TAP
11 Mar - 25 Mar	TAP
11 Mar - 18 Mar	TAP
17 Mar - 24 Mar	TAP
30 Mar - 08 Apr	Aer Lingus
09 Mar - 25 Mar	TAP
03 Mar - 10 Mar	TAP
09 Mar - 16 Mar	TAP
23 Mar - 22 Apr	Aer Lingus
18 Mar - 25 Mar	TAP
31 Mar - 08 Apr	Aer Lingus
31 Mar - 09 Apr	Aer Lingus
30 Mar - 09 Apr	Aer Lingus
30 Mar - 10 Apr	Scandinavian Airlines
31 Mar - 10 Apr	Aer Lingus
01 Mar - 01 Apr	Aer Lingus
29 Mar - 06 Apr	Brussels Airlines
30 Mar - 07 Apr	Scandinavian Airlines

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 378€

Return flights