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

Return flights

04 Mar - 11 Mar	TAP
01 Mar - 10 Mar	TAP
04 Mar - 10 Mar	TAP
04 Mar - 17 Mar	TAP
01 Mar - 30 Apr	TAP
10 Mar - 18 Mar	Lufthansa
04 Mar - 18 Mar	TAP
11 Mar - 18 Mar	SWISS
17 Mar - 24 Mar	ITA Airways
24 Mar - 30 Mar	Spirit Airlines
01 Mar - 06 Mar	TAP
23 Mar - 01 Apr	Lufthansa
28 Mar - 10 Apr	Scandinavian Airlines
30 Mar - 08 Apr	Air Canada
29 Mar - 07 Apr	Air Canada
27 Mar - 10 Apr	Scandinavian Airlines
31 Mar - 22 Apr	Turkish Airlines
28 Mar - 02 Apr	Scandinavian Airlines
22 Mar - 05 Apr	Scandinavian Airlines
28 Mar - 07 Apr	Spirit Airlines

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

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 March from $404

Return flights