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

Return flights

04 May - 30 May	Turkish Airlines
01 May - 23 May	Turkish Airlines
10 May - 24 May	Turkish Airlines
09 May - 19 May	TAP
15 May - 29 May	Turkish Airlines
19 May - 26 May	TAP
15 May - 24 May	Scandinavian Airlines
17 May - 06 Jun	TAP
15 May - 06 Jun	TAP
16 May - 06 Jun	TAP
02 May - 15 May	Scandinavian Airlines
02 May - 16 May	Scandinavian Airlines
15 May - 14 Jun	Scandinavian Airlines
05 May - 15 May	TAP
20 May - 13 Jun	TAP
18 May - 01 Jun	Aer Lingus
23 May - 13 Jun	TAP
21 May - 01 Jun	TAP
24 May - 04 Jun	Aer Lingus
18 May - 17 Jun	Aer Lingus

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

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 May from 557€

Return flights