Cheap flights from Rome Fiumicino Airport to Chicago from $440

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 $711.

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 $742. 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 $893.

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 $769 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 $594 on momondo.

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

No. A direct flight is the cheapest option for a flight between Rome Fiumicino Airport to Chicago O'Hare Intl Airport.

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

United Airlines, British Airways and American Airlines 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 56% 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 19% 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 178 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights in the early afternoon 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 12% of their flights experiencing any sort of delay.

Lisbon (LIS) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Flights via Reykjavik (KEF) offer the lowest average round-trip price of $738.

Flights connecting via Reykjavik (KEF) have the shortest average one-way travel time: 12h 30m.

Reykjavik (KEF) has the shortest average layover time for this route: 1h 18m.

As of March 2026, 6 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 91% of daily flights taking off at noon.

As of March 2026, 42 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 Mon, with 14% of weekly flights taking off on this day.