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

Return flights

13 May - 21 May	TAP
27 May - 10 Jun	Icelandair
01 May - 15 May	TAP
10 May - 26 May	TAP
23 May - 02 Jun	Icelandair
11 May - 22 May	Scandinavian Airlines
23 May - 30 May	TAP
30 May - 13 Jun	TAP
22 May - 31 May	TAP
23 May - 26 Jun	Finnair
01 May - 15 May	American Airlines	direct
27 May - 10 Jun	ITA Airways	direct
23 May - 02 Jun	United	direct
23 May - 30 May	ITA Airways	direct
23 May - 26 Jun	ITA Airways	direct

Also check the deals for one-way flights from Chicago 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 Chicago to Rome in May from $495

Return flights