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

Return flights

14 Aug - 27 Aug	TAP
18 Aug - 24 Aug	TAP
21 Aug - 28 Aug	TAP
16 Aug - 24 Aug	TAP
23 Aug - 31 Aug	TAP
28 Aug - 25 Sep	TAP
28 Aug - 01 Sep	TAP
07 Aug - 21 Aug	TAP
08 Aug - 08 Sep	TAP
28 Aug - 03 Sep	TAP
28 Aug - 07 Sep	TAP
07 Aug - 20 Aug	TAP
24 Aug - 30 Aug	TAP
18 Aug - 27 Aug	TAP
16 Aug - 23 Aug	TAP
22 Aug - 12 Sep	TAP
22 Aug - 01 Sep	TAP
30 Aug - 14 Sep	TAP
30 Aug - 05 Sep	Spirit Airlines
27 Aug - 10 Sep	Spirit Airlines

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

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 August from 336€

Return flights