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

Return flights

09 May - 16 May	Scandinavian Airlines
17 May - 24 May	Scandinavian Airlines
18 May - 24 May	Scandinavian Airlines
15 May - 25 May	Scandinavian Airlines
13 May - 27 May	TAP
16 May - 23 May	Scandinavian Airlines
24 May - 31 May	TAP
22 May - 09 Jun	TAP
16 May - 29 May	TAP
23 May - 13 Jun	TAP
22 May - 13 Jun	TAP
23 May - 06 Jun	TAP
26 May - 09 Jun	Finnair
24 May - 20 Jun	TAP
28 May - 09 Jun	Icelandair
22 May - 01 Jun	Icelandair
29 May - 26 Jun	Icelandair
16 May - 23 May	ITA Airways	direct
09 May - 16 May	ITA Airways	direct
29 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 362€

Return flights