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.

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.

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.

How often are flights from Rome to Chicago delayed?

Historically, on average around 18% 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 177 minutes.

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.

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: 86% 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.

What airlines fly to Chicago O'Hare Intl Airport?

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 59% 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.

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 10% of their flights experiencing any sort of delay.

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

As of February 2026, there are 4 operators available to choose from 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?

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.

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

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.

$262 Cheap Flights from Rome Fiumicino Airport to Chicago O'Hare Intl Airport in 2026

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Find the cheapest flights from Rome Fiumicino Airport to Chicago

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Enter your travel dates to find the best prices.

8:00 pm - 4:00 pm

FCO

ORD

27h 00m

1 stop

6:00 pm - 12:15 am

ORD

FCO

23h 15m

1 stop

$542TAP AIR PORTUGAL

Tue, Apr 21 - Sun, May 3

8:00 pm - 4:00 pm

FCO

ORD

27h 00m

1 stop

6:15 pm - 10:20 am

ORD

FCO

33h 05m

1 stop

$546TAP AIR PORTUGAL

Tue, Apr 21 - Sat, May 2

1:35 pm - 4:15 pm

FCO

ORD

33h 40m

1 stop

6:00 pm - 12:15 am

ORD

FCO

23h 15m

1 stop

$550TAP AIR PORTUGAL

Fri, Apr 17 - Sun, Apr 26

4:45 am - 4:00 pm

FCO

ORD

18h 15m

1 stop

6:00 pm - 12:15 am

ORD

FCO

23h 15m

1 stop

$554TAP AIR PORTUGAL

Wed, Apr 15 - Wed, Apr 22

3:45 pm - 6:15 pm

FCO

ORD

33h 30m

1 stop

7:25 pm - 2:35 pm

ORD

FCO

12h 10m

1 stop

$561Icelandair

Sat, Apr 18 - Mon, May 11

4:40 pm - 4:00 pm

FCO

ORD

29h 20m

1 stop

6:00 pm - 6:55 pm

ORD

FCO

17h 55m

1 stop

$565TAP AIR PORTUGAL

Tue, Mar 17 - Wed, May 13

7:35 pm - 4:00 pm

FCO

ORD

26h 25m

1 stop

6:00 pm - 4:45 pm

ORD

FCO

15h 45m

1 stop

$567TAP AIR PORTUGAL

Tue, Mar 17 - Wed, May 13

6:20 am - 9:25 pm

FCO

ORD

22h 05m

1 stop

7:25 pm - 2:35 pm

ORD

FCO

12h 10m

1 stop

$573Icelandair

Fri, May 22 - Thu, May 28

5:45 am - 3:45 pm

FCO

ORD

16h 00m

1 stop

6:00 pm - 4:45 pm

ORD

FCO

15h 45m

1 stop

$577TAP AIR PORTUGAL

Sun, Mar 15 - Wed, May 13

5:55 am - 4:15 pm

FCO

ORD

17h 20m

1 stop

6:00 pm - 12:15 am

ORD

FCO

23h 15m

1 stop

$579TAP AIR PORTUGAL

Sat, Apr 18 - Fri, Apr 24

Icelandair flights from Rome Fiumicino Airport to Chicago O'Hare Intl Airport

Our best Icelandair deals on Rome Fiumicino Airport to Chicago O'Hare Intl Airport flight tickets

Icelandair

Apr 18

FCO3:45 pmRome Fiumicino

33h 30m

1 stop

ORD6:15 pmChicago O'Hare Intl

May 11

ORD7:25 pmChicago O'Hare Intl

12h 10m

1 stop

FCO2:35 pmRome Fiumicino

$561

Icelandair

May 22

FCO6:20 amRome Fiumicino

22h 05m

1 stop

ORD9:25 pmChicago O'Hare Intl

May 28

ORD7:25 pmChicago O'Hare Intl

12h 10m

1 stop

FCO2:35 pmRome Fiumicino

$573

Icelandair

Apr 14

FCO3:45 pmRome Fiumicino

33h 30m

1 stop

ORD6:15 pmChicago O'Hare Intl

Apr 25

ORD7:25 pmChicago O'Hare Intl

12h 10m

1 stop

FCO2:35 pmRome Fiumicino

$581

United Airlines flights from Rome Fiumicino Airport to Chicago O'Hare Intl Airport

Our best United Airlines deals on Rome Fiumicino Airport to Chicago O'Hare Intl Airport flight tickets

United Airlines

Feb 21

FCO9:45 amRome Fiumicino

10h 25m

ORD1:10 pmChicago O'Hare Intl

Feb 24

ORD3:45 pmChicago O'Hare Intl

9h 00m

FCO7:45 amRome Fiumicino

$734

United Airlines

Feb 20

FCO9:45 amRome Fiumicino

10h 25m

ORD1:10 pmChicago O'Hare Intl

Mar 8

ORD4:45 pmChicago O'Hare Intl

9h 00m

FCO7:45 amRome Fiumicino

$735

United Airlines

Feb 14

FCO11:15 amRome Fiumicino

15h 55m

1 stop

ORD8:10 pmChicago O'Hare Intl

Feb 23

ORD3:45 pmChicago O'Hare Intl

9h 00m

FCO7:45 amRome Fiumicino

$739

momondo Fare Finder

Use the filters below to find and compare flights from Rome Fiumicino Airport to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Tue 4/21

8:00 pm-4:00 pm

1 stop27h 00m

Chicago O'Hare Intl

Sun 5/3

6:00 pm-12:15 am

1 stop23h 15m

$542

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Tue 4/21

8:00 pm-4:00 pm

1 stop27h 00m

Chicago O'Hare Intl

Sat 5/2

6:15 pm-10:20 am

1 stop33h 05m

$546

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Fri 4/17

1:35 pm-4:15 pm

1 stop33h 40m

Chicago O'Hare Intl

Sun 4/26

6:00 pm-12:15 am

1 stop23h 15m

$550

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Wed 4/15

4:45 am-4:00 pm

1 stop18h 15m

Chicago O'Hare Intl

Wed 4/22

6:00 pm-12:15 am

1 stop23h 15m

$554

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Sat 4/18

3:45 pm-6:15 pm

1 stop33h 30m

Chicago O'Hare Intl

Mon 5/11

7:25 pm-2:35 pm

1 stop12h 10m

$561

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Tue 3/17

4:40 pm-4:00 pm

1 stop29h 20m

Chicago O'Hare Intl

Wed 5/13

6:00 pm-6:55 pm

1 stop17h 55m

$565

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Tue 3/17

7:35 pm-4:00 pm

1 stop26h 25m

Chicago O'Hare Intl

Wed 5/13

6:00 pm-4:45 pm

1 stop15h 45m

$567

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Fri 5/22

6:20 am-9:25 pm

1 stop22h 05m

Chicago O'Hare Intl

Thu 5/28

7:25 pm-2:35 pm

1 stop12h 10m

$573

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Sun 3/15

5:45 am-3:45 pm

1 stop16h 00m

Chicago O'Hare Intl

Wed 5/13

6:00 pm-4:45 pm

1 stop15h 45m

$577

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Sat 4/18

5:55 am-4:15 pm

1 stop17h 20m

Chicago O'Hare Intl

Fri 4/24

6:00 pm-12:15 am

1 stop23h 15m

$579

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Showing 1-10 of 20 resultsSorted by cheapest first

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

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

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Delays

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Other information

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

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 $709.

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

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 $725. 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 $879.

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?

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 $794 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.

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 February 2026, prices for Rome Fiumicino Airport to Chicago O'Hare Intl Airport flights are approximately 74% more expensive when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Rome Fiumicino Airport to Chicago O'Hare Intl Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

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

Find info about flight duration, direct flights, and airports for your flight from Rome Fiumicino Airport to Chicago O'Hare Intl Airport

Best Price Found	$494
Fastest flight time	10h 20m
Direct flights	Every day

The best one-way flight to Chicago O'Hare Intl Airport from Rome Fiumicino Airport in the past 72 hours is $494. The best round-trip flight deal from Rome Fiumicino Airport to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $695.

The fastest flight from Rome Fiumicino Airport to Chicago O'Hare Intl Airport takes 10h 20m

Direct flights go from Rome Fiumicino Airport to Chicago O'Hare Intl Airport every day.

Search flight deals

How far is Rome Fiumicino to Chicago O'Hare Intl by plane?
The straight-line distance from Rome Fiumicino to Chicago O'Hare Intl is 4807.8 mi. Typically, this will take 10h 20m by plane in normal conditions.
When did momondo last update prices for flights from Rome Fiumicino Airport to Chicago O'Hare Intl Airport?
Prices for flights from Rome Fiumicino Airport to Chicago O'Hare Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Rome Fiumicino Airport to Chicago O'Hare Intl Airport?
As of February 2026, there are 4 operators available to choose from 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?
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.
What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?
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.
What is the most popular plane model from Rome Fiumicino Airport to Chicago O'Hare Intl Airport?
Based on momondo bookings for flights between Rome Fiumicino Airport and Chicago O'Hare Intl Airport, the leading plane model is Boeing 787-9 Dreamliner, making up 23.87% of the total bookings. Other popular models include Boeing 787 Dreamliner with 22.91%, Boeing 787-10 Dreamliner with 15.09%, and Airbus A330-900neo with 10.97%.
What is the most popular airline from Rome Fiumicino Airport to Chicago O'Hare Intl Airport?
momondo data reveals that the most frequently booked airline on the route from Rome Fiumicino Airport to Chicago O'Hare Intl Airport is United Airlines, representing 52% of all bookings. The subsequent popular airlines are British Airways at 20%, American Airlines at 17%, and Lufthansa at 12%.

Best airlines flying from Rome Fiumicino Airport to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Rome Fiumicino Airport to Chicago O'Hare Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $536	Free Cancellation	Rating 7.2 11,249 reviews	Search American Airlines flights
British Airways	PriceFrom $571	Free Cancellation	Rating 6.7 7,720 reviews	Search British Airways flights
United Airlines	PriceFrom $585	Free Cancellation	Rating 7.4 9,254 reviews	Search United Airlines flights

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Can I find flights from Rome to Chicago with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Chicago from Rome with this policy.

How can momondo help me find flights from Rome to Chicago?

Once you have performed a search for Rome to Chicago flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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Cheap flights from Rome Fiumicino Airport to Chicago from $262

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 5/8. 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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Icelandair flights from Rome Fiumicino Airport to Chicago O'Hare Intl Airport

Our best Icelandair deals on Rome Fiumicino Airport to Chicago O'Hare Intl Airport flight tickets

United Airlines flights from Rome Fiumicino Airport to Chicago O'Hare Intl Airport

Our best United Airlines deals on Rome Fiumicino Airport to Chicago O'Hare Intl Airport flight tickets

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Use the filters below to find and compare flights from Rome Fiumicino Airport to Chicago O'Hare Intl Airport that are best for you.

See travel insights to Chicago from

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 July is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Rome Fiumicino Airport averaging around $709.

What is the cheapest 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 February 2026, prices for Rome Fiumicino Airport to Chicago O'Hare Intl Airport flights are approximately 74% 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 18% 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 177 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 10% 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: 86% 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 week?

As of February 2026, 3 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 33% 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

Find info about flight duration, direct flights, and airports for your flight from Rome Fiumicino Airport to Chicago O'Hare Intl Airport

Best Price Found

Fastest flight time

Direct flights

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?

Best airlines flying from Rome Fiumicino Airport to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Rome Fiumicino Airport to Chicago O'Hare Intl Airport with momondo

Traveling to a place near Chicago?

Why use momondo?

Why should I use momondo to find a flight deal from Rome to Chicago?

Can I find flights from Rome to Chicago with flexible booking policies on momondo?

How can momondo help me find flights from Rome to Chicago?

I’m not ready to book a flight from Rome to Chicago right now. Can momondo alert me if prices change?

An easier way to manage your Chicago O'Hare Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Chicago