$473 Find Cheap Flights from Rome Fiumicino Airport to Chicago O'Hare Airport - Compare and Save

If your flying dates are flexible, you should consider flying to Chicago O'Hare Airport on a Thursday, as we generally find the cheapest rates on that day for this route. On the other hand, Tuesday is the most expensive day to fly from Rome Fiumicino Airport to Chicago O'Hare Airport. For your return ticket, we recommend flying on a Sunday and avoiding Fridays for the best deals.

The cheapest month for flights from Rome Fiumicino Airport to Chicago O'Hare Intl Airport is November, where tickets cost $648 (return) on average. On the other hand, the most expensive months are June and January, where the average cost of round-trip tickets is $898 and $861 respectively.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 2 stops layover the cheapest option at $689 on average.

To get a below average price on the flight from Rome Fiumicino Airport to Chicago O'Hare Intl Airport, you should book around 3 weeks before departure, which saves you about 24% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 24 weeks before departure.

In the past 5 days, the cheapest round-trip tickets from Rome Fiumicino Airport to Chicago O'Hare Airport were found on Finnair ($669) and Delta ($671).

American Airlines connects Rome Fiumicino Airport to Chicago O'Hare Airport with 7 flights per week and both Ethiopian Air and United Airlines also offer 7 flights per week.

Weekly flights between Rome and Chicago historically see delays in approximately 20% of cases, with the average delay over the past year being 176 minutes.

Typically, flights leaving in the evening tend to face fewer delays, whereas flights in the early afternoon have historically encountered delays more often.

Statistically, Thursday is the day of the week with the fewest delays on this flight route, while Monday has typically experienced more delays than other days.

Based on our data, Ethiopian Air have experienced the fewest delays on this route in the past 12 months, with only about 16% of their flights encountering any delays.

Dublin (DUB) is the top choice – 33% of KAYAK users who clicked on 1-stop flights from Rome Fiumicino Airport to Chicago O'Hare Airport picked an itinerary connecting there.

Flights via Dublin (DUB) offer the most affordable fares, with an average round-trip price of $666.

Consider flying via London (LHR) for the shortest journey. The average one-way travel time for flights connecting there is 12h 55m.

If you prefer a quick connection, Reykjavik (KEF) often has the shortest layovers from Rome Fiumicino Airport to Chicago O'Hare Airport, with an average of 1h 18m.

There are 3 cabin class options for the route. These are Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Each day, there are between 3 and 4 nonstop flights that take off from Rome Fiumicino Airport and land in Chicago O'Hare Intl Airport, with an average flight time of 10h 28m. The most common departure time is 9:00 am and most flights take off in the morning. Each week, there are 26 flights. The most frequent day of departure is Tuesday, when 15% of all weekly flights depart. The fewest flights depart on a Monday.