Question 1

What is the cheapest Rome Fiumicino to Chicago O'Hare Intl flight route?

Accepted Answer

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

Question 2

Which layover airport offers the lowest fares from Rome Fiumicino Airport to Chicago O'Hare Intl Airport?

Accepted Answer

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

Question 3

Which airport is the most popular layover for flights between Rome Fiumicino Airport and Chicago O'Hare Intl Airport?

Accepted Answer

Dublin (DUB) was the most common stop: 88% of momondo users choosing 1-stop flights on this route connected there.

Question 4

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

Accepted Answer

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 $729. 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 $875.

Question 5

What cabin class options are available on Rome Fiumicino to Chicago O'Hare Intl flights?

Accepted Answer

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.

Question 6

What is the most punctual flight time for Rome to Chicago flights?

Accepted Answer

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.

Question 7

How far in advance should I book a flight to Chicago O'Hare Intl Airport?

Accepted Answer

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 $775 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 $557 on momondo.

Question 8

How many flights depart from Rome Fiumicino Airport to Chicago O'Hare Intl Airport on average per week?

Accepted Answer

As of December 2025, 31 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 23% of weekly flights taking off on this day.

Question 9

Which layover airport has the shortest connection time from Rome Fiumicino Airport to Chicago O'Hare Intl Airport?

Accepted Answer

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

Question 10

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

Accepted Answer

The month of May is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Rome Fiumicino Airport averaging around $702.

Question 11

Which airline has the best punctuality record on Rome to Chicago flights?

Accepted Answer

According to our data, Ethiopian Air have had the least number of delays on this route over the last 12 months; with about 11% of their flights experiencing any sort of delay.

Question 12

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

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.

Question 13

Which layover airport has the shortest travel time from Rome Fiumicino Airport to Chicago O'Hare Intl Airport?

Accepted Answer

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

Question 14

Can stopping save me money on Rome Fiumicino Airport to Chicago O'Hare Intl Airport flights?

Accepted Answer

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

Question 15

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Accepted Answer

Flying to Chicago O'Hare Intl Airport from Rome Fiumicino Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $655 when looking at flights departing in the afternoon. Try not to purchase tickets in the evening because they tend to be around $863. Of course, these prices can vary depending on the time of year and what airport you fly to.

Question 16

How many flights depart from Rome Fiumicino Airport to Chicago O'Hare Intl Airport on average per day?

Accepted Answer

As of December 2025, 4 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 85% of daily flights taking off at noon.

Question 17

How have Rome Fiumicino Airport to Chicago O'Hare Intl Airport flight prices changed over time?

Accepted Answer

As of December 2025, prices for Rome Fiumicino Airport to Chicago O'Hare Intl Airport flights are approximately 30% more expensive when compared to flights at the same time last year.

Question 18

How often are flights from Rome to Chicago delayed?

Accepted Answer

Historically, on average around 17% 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 171 minutes.

Question 19

What airlines fly to Chicago O'Hare Intl Airport?

Accepted Answer

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 51% of people opting to fly with this airline when traveling to Chicago O'Hare Intl Airport. Keep in mind that there are 4 different airlines that fly to Chicago O'Hare Intl Airport on a routine basis, so you have a few additional options to choose from.

Question 20

When did momondo last update prices for flights from Rome Fiumicino Airport to Chicago O'Hare Intl Airport?

Accepted Answer

Prices for flights from Rome Fiumicino Airport to Chicago O'Hare Intl Airport are refreshed on a daily basis.

Question 21

How many operators does momondo search for flights from Rome Fiumicino Airport to Chicago O'Hare Intl Airport?

Accepted Answer

As of December 2025, there are 4 operators available to choose from for flights from Rome Fiumicino Airport to Chicago O'Hare Intl Airport.

Question 22

How old do you have to be to fly from Rome Fiumicino Airport to Chicago O'Hare Intl Airport?

Accepted Answer

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Rome Fiumicino Airport to Chicago O'Hare Intl Airport.

Question 23

What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

Accepted Answer

The required travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago O'Hare Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best Price Found	$540
Fastest flight time	10h 25m
Direct flights	Every day

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $536	Free Cancellation	Rating 7.2 11,048 reviews	Search American Airlines flights
Iberia	PriceFrom $550	Free Cancellation	Rating 7.0 3,052 reviews	Search Iberia flights
United Airlines	PriceFrom $585	Free Cancellation	Rating 7.4 9,094 reviews	Search United Airlines flights
British Airways	PriceFrom $657	Free Cancellation	Rating 6.7 7,580 reviews	Search British Airways flights

Cheap flights from Rome Fiumicino Airport to Chicago from $339

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Rome Fiumicino Airport to Chicago departing on 2/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from Rome Fiumicino Airport to Chicago O'Hare Intl Airport

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

The month of May is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Rome Fiumicino Airport averaging around $702.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

What is the cheapest Rome Fiumicino to Chicago O'Hare Intl flight route?

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

How far in advance should I book a flight to Chicago O'Hare Intl Airport?

What cabin class options are available on Rome Fiumicino to Chicago O'Hare Intl flights?

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.

Can stopping save me money on Rome Fiumicino Airport to Chicago O'Hare Intl Airport flights?

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

How have Rome Fiumicino Airport to Chicago O'Hare Intl Airport flight prices changed over time?

As of December 2025, prices for Rome Fiumicino Airport to Chicago O'Hare Intl Airport flights are approximately 30% more expensive when compared to flights at the same time last year.

What airlines fly to Chicago O'Hare Intl Airport?

How often are flights from Rome to Chicago delayed?

Historically, on average around 17% 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 171 minutes.

What is the most punctual flight time for Rome to Chicago flights?

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.

What day of the week experiences the fewest flight delays on this route?

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.

Which airline has the best punctuality record on Rome to Chicago flights?

According to our data, Ethiopian Air have had the least number of delays on this route over the last 12 months; with about 11% of their flights experiencing any sort of delay.

Which airport is the most popular layover for flights between Rome Fiumicino Airport and Chicago O'Hare Intl Airport?

Dublin (DUB) was the most common stop: 88% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Rome Fiumicino Airport to Chicago O'Hare Intl Airport?

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

Which layover airport has the shortest travel time from Rome Fiumicino Airport to Chicago O'Hare Intl Airport?

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

Which layover airport has the shortest connection time from Rome Fiumicino Airport to Chicago O'Hare Intl Airport?

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

How many flights depart from Rome Fiumicino Airport to Chicago O'Hare Intl Airport on average per day?

As of December 2025, 4 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 85% of daily flights taking off at noon.

How many flights depart from Rome Fiumicino Airport to Chicago O'Hare Intl Airport on average per week?

As of December 2025, 31 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 23% of weekly flights taking off on this day.

When to book flights from Rome Fiumicino Airport to Chicago O'Hare Intl Airport

Cheap Rome Fiumicino Airport to Chicago O'Hare Intl Airport (FCO to ORD) flight deals and tips

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How far is Rome Fiumicino to Chicago O'Hare Intl by plane?

When did momondo last update prices for flights from Rome Fiumicino Airport to Chicago O'Hare Intl Airport?

How many operators does momondo search for flights from Rome Fiumicino Airport to Chicago O'Hare Intl Airport?

How old do you have to be to fly from Rome Fiumicino Airport to Chicago O'Hare Intl Airport?

What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

What is the most popular plane model from Rome Fiumicino Airport to Chicago O'Hare Intl Airport?

What is the most popular airline from Rome Fiumicino Airport to Chicago O'Hare Intl Airport?

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