Cheap flights from Rome Fiumicino Airport to Chicago from $504

The month of July is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Rome Fiumicino Airport averaging around $734.

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Thursday when prices can be found for as low as $749. This is often the case because there is less demand to fly during this day of the week. On the other hand, Tuesday is the most expensive day to depart from Rome Fiumicino Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,070.

Fly from Rome Fiumicino to Chicago O'Hare Intl for the best Rome Fiumicino - Chicago O'Hare Intl flight prices

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Rome Fiumicino Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $786 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Rome Fiumicino Airport for as low as $596 on momondo.

There are 3 cabin classes available to choose from on Rome Fiumicino Airport to Chicago O'Hare Intl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

As of September 2026, prices for Rome Fiumicino Airport to Chicago O'Hare Intl Airport flights are approximately 5% cheaper when compared to flights at the same time last year.

KLM, Delta, and TAP AIR PORTUGAL are the most popular carriers operating from Rome Fiumicino to Chicago O'Hare Intl

United Airlines, American Airlines and ITA Airways are the top three most popular airlines that fly to Chicago O'Hare Intl Airport from Rome Fiumicino Airport according to our data. United Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Chicago O'Hare Intl Airport. Keep in mind that there are 3 different airlines that fly to Chicago O'Hare Intl Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 20% of flights between Rome and Chicago have experienced a delay on any given week. The average delay length over the past 12 months has been 175 minutes.

Generally, flights departing in the evening tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

Thursday is statistically the day of the week which experiences the fewest number of delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

According to our data, Ethiopian Air have had the least number of delays on this route over the last 12 months; with about 17% of their flights experiencing any sort of delay.

As of September 2026, 11 flights take off from Rome Fiumicino Airport and land in Chicago O'Hare Intl Airport each day. The most common flight departure time for this route is 9:00AM, with 92% of daily flights taking off at noon.

As of September 2026, 80 flights take off from Rome Fiumicino Airport and land in Chicago O'Hare Intl Airport each week. The most common flight departure day for this route is Wed, with 16% of weekly flights taking off on this day.