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 - 09 May	TAP
06 May - 20 May	TAP
15 May - 22 May	TAP
08 May - 30 May	TAP
09 May - 30 May	TAP
10 May - 30 May	TAP
01 May - 23 May	TAP
08 May - 16 May	TAP
06 May - 27 May	TAP
13 May - 06 Jun	TAP
24 May - 13 Jun	TAP
17 May - 06 Jun	TAP
20 May - 13 Jun	TAP
22 May - 13 Jun	TAP
26 May - 09 Jun	United
27 May - 10 Jun	SWISS
23 May - 13 Jun	TAP
26 May - 06 Jun	United
25 May - 20 Jun	Air Canada

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 311€

Return flights