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

Return flights

03 May - 13 May	TAP
03 May - 15 May	TAP
03 May - 09 May	TAP
06 May - 19 May	TAP
01 May - 15 May	TAP
10 May - 23 May	TAP
13 May - 22 May	Turkish Airlines
04 May - 14 May	Turkish Airlines
13 May - 27 May	Turkish Airlines
02 May - 14 May	Scandinavian Airlines
15 May - 06 Jun	TAP
13 May - 06 Jun	TAP
17 May - 06 Jun	TAP
16 May - 06 Jun	TAP
24 May - 13 Jun	TAP
22 May - 13 Jun	TAP
31 May - 13 Jun	TAP
01 May - 30 Jun	TAP
16 May - 02 Jun	Air Serbia
20 May - 13 Jun	TAP

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 $500

Return flights