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

Return flights

06 May - 12 May	TAP
03 May - 09 May	TAP
15 May - 06 Jun	TAP
01 May - 13 May	TAP
15 May - 28 May	TAP
01 May - 23 May	TAP
10 May - 24 May	TAP
13 May - 06 Jun	TAP
04 May - 11 May	Turkish Airlines
13 May - 24 May	TAP
22 May - 13 Jun	TAP
16 May - 06 Jun	TAP
27 May - 08 Jun	Air Canada
22 May - 05 Jun	TAP
07 May - 30 May	Turkish Airlines
01 May - 18 May	Turkish Airlines
25 May - 20 Jun	SWISS
31 May - 20 Jun	Lufthansa
13 May - 06 Jun	ITA Airways	direct
20 May - 02 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 307€

Return flights