AirHint found the following cheapest return flights from Chicago (ORD) to Rome (FCO) in July 2025 (see full year).

Return flights

21 Jul - 22 Aug	TAP
13 Jul - 30 Aug	TAP
28 Jul - 13 Aug	TAP
21 Jul - 04 Aug	Icelandair
14 Jul - 24 Jul	Air Canada
07 Jul - 17 Jul	British Airways	direct
08 Jul - 17 Jul	British Airways	direct
20 Jul - 24 Jul	Icelandair
09 Jul - 16 Jul	Air France
08 Jul - 15 Jul	KLM
07 Jul - 23 Jul	Delta
06 Jul - 17 Jul	Air France
07 Jul - 13 Aug	Delta
25 Jul - 28 Jul	Icelandair
07 Jul - 18 Jul	Air France
20 Jul - 14 Aug	United
22 Jul - 07 Aug	United
21 Jul - 05 Aug	United	direct
21 Jul - 06 Aug	United	direct
15 Jul - 08 Aug	United

Also check the deals for one-way flights from Chicago to Rome in July.

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 July from 358€

Return flights