Flights Chicago → Rome — September 18, 2026

One way · Economy · 1 adult · price per person

The cheapest itinerary observed for Friday, September 18, 2026 on the Chicago–Rome route: 2 stops itinerary (3 flights), from Chicago O'Hare (ORD) to Rome Fiumicino (FCO), first flight Frontier Airlines F93044, departs 3:50 PM, flight time 13h 39m (layovers excluded), $381 per person. Fare as listed by Aviasales: carry-on bag not included (personal item only), checked bag not included, changes not allowed, non-refundable. Price found in an Aviasales search on September 10, 2026 and read by AirSource on September 10, 2026, 21:20 UTC: it is not guaranteed and is confirmed on Aviasales at booking time. The cheapest direct flight observed: United Airlines UA970, from Chicago O'Hare (ORD) to Rome Fiumicino (FCO), departs 3:50 PM, arrives 7:55 AM the next day, direct, 9h 5m, $699 per person. Fare as listed by Aviasales: carry-on bag not included (personal item only), checked bag not included, changes not allowed, non-refundable.