What is the cheapest airline that flies from Rome Fiumicino to Illinois?

WestJet and TAP AIR PORTUGAL are the most popular carriers operating from Rome Fiumicino to Illinois

How many flights depart from Rome Fiumicino Airport to Illinois on average per week?

88 flights are operational weekly from Rome Fiumicino Airport to Illinois as of August 2025. The most popular departure day for this route is Wed, with 16% of flights per week taking off on this day.

What airlines fly to Illinois?

United Airlines, British Airways and American Airlines are the top three most popular airlines that fly to Illinois from Rome Fiumicino Airport according to our data. United Airlines is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 6 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Rome Fiumicino Airport to Illinois?

Prices for flights from Rome Fiumicino Airport to Illinois are refreshed on a daily basis.

How many operators does momondo search for flights from Rome Fiumicino Airport to Illinois?

The number of operators available for flights from Rome Fiumicino Airport to Illinois is 6 as of August 2025.

How old do you have to be to fly from Rome Fiumicino Airport to Illinois?

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 Illinois.

What documentation or ID do you need to fly to Illinois?

The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$290 Cheap Flights from Rome Fiumicino Airport to Illinois in 2025

Q: How many flights depart from Rome Fiumicino Airport to Illinois on average per day?

As of August 2025, there are 12 flights per day flying from Rome Fiumicino Airport to Illinois. The most common time of day flights depart is 9:00AM, with 93% of flights taking off at noon.

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Find the cheapest flights from Rome Fiumicino Airport to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

3:45 pm - 9:15 pmFCO-ORD

12h 30m1 stop

7:25 pm - 2:35 pmORD-FCO

12h 10m1 stop

$457Icelandair

Find Deal

Wed, Oct 1 - Sat, Oct 18

3:45 pm - 6:15 pmFCO-ORD

33h 30m1 stop

7:25 pm - 2:35 pmORD-FCO

12h 10m1 stop

$460Icelandair

Find Deal

Wed, Oct 15 - Fri, Oct 24

7:00 am - 2:55 pmFCO-ORD

14h 55m1 stop

2:32 pm - 1:15 pmORD-FCO

15h 43m1 stop

$530United Airlines

Find Deal

Mon, Aug 25 - Sun, Sep 7

7:00 am - 2:55 pmFCO-ORD

14h 55m1 stop

2:39 pm - 1:15 pmORD-FCO

15h 36m1 stop

$531United Airlines

Find Deal

Sat, Sep 13 - Sat, Sep 27

11:05 am - 2:30 pmFCO-ORD

10h 25mnonstop

5:00 pm - 9:10 amORD-FCO

9h 10mnonstop

$556British Airways

Find Deal

Mon, Aug 25 - Sun, Sep 7

11:05 am - 2:30 pmFCO-ORD

10h 25mnonstop

5:11 pm - 7:15 pmORD-FCO

19h 04m2 stops

$558British Airways

Find Deal

Thu, Sep 25 - Mon, Oct 13

10:20 am - 10:39 pmFCO-ORD

19h 19m1 stop

10:45 pm - 9:55 pmORD-FCO

17h 10m1 stop

$564American Airlines

Find Deal

Fri, Oct 17 - Wed, Oct 29

1:10 pm - 10:16 amFCO-MLI

28h 06m2 stops

3:37 pm - 9:55 pmMLI-FCO

23h 18m2 stops

$673American Airlines

Find Deal

Fri, Nov 7 - Tue, Nov 11

10:00 am - 11:14 pmFCO-STL

20h 14m1 stop

8:50 am - 3:25 pmSTL-FCO

23h 35m2 stops

$988Iberia

Find Deal

Mon, Aug 18 - Sun, Aug 24

10:00 am - 8:22 pmFCO-STL

17h 22m1 stop

5:52 pm - 8:05 amSTL-FCO

31h 13m1 stop

$1,163Iberia

Find Deal

Mon, Aug 18 - Sat, Aug 23

British Airways flights from Rome Fiumicino Airport to Illinois

Our best British Airways deals on Rome Fiumicino Airport to Illinois flight tickets

British Airways

Aug 25

FCO11:05 amRome Fiumicino

10h 25m

ORD2:30 pmChicago O'Hare Intl

Sep 7

ORD5:00 pmChicago O'Hare Intl

9h 10m

FCO9:10 amRome Fiumicino

$556

Find similar

British Airways

Sep 25

FCO11:05 amRome Fiumicino

10h 25m

ORD2:30 pmChicago O'Hare Intl

Oct 13

ORD5:11 pmChicago O'Hare Intl

19h 04m

2 stops

FCO7:15 pmRome Fiumicino

$558

Find similar

British Airways

Sep 25

FCO11:05 amRome Fiumicino

10h 25m

ORD2:30 pmChicago O'Hare Intl

Oct 13

ORD5:11 pmChicago O'Hare Intl

14h 59m

2 stops

FCO3:10 pmRome Fiumicino

$559

Find similar

Icelandair flights from Rome Fiumicino Airport to Illinois

Our best Icelandair deals on Rome Fiumicino Airport to Illinois flight tickets

Icelandair

Oct 1

FCO3:45 pmRome Fiumicino

12h 30m

1 stop

ORD9:15 pmChicago O'Hare Intl

Oct 18

ORD7:25 pmChicago O'Hare Intl

12h 10m

1 stop

FCO2:35 pmRome Fiumicino

$457

Find similar

Icelandair

Oct 15

FCO3:45 pmRome Fiumicino

33h 30m

1 stop

ORD6:15 pmChicago O'Hare Intl

Oct 24

ORD7:25 pmChicago O'Hare Intl

12h 10m

1 stop

FCO2:35 pmRome Fiumicino

$460

Find similar

Icelandair

Sep 17

FCO3:45 pmRome Fiumicino

33h 30m

1 stop

ORD6:15 pmChicago O'Hare Intl

Sep 30

ORD7:25 pmChicago O'Hare Intl

12h 10m

1 stop

FCO2:35 pmRome Fiumicino

$472

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Rome Fiumicino Airport to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Wed 10/1

3:45 pm-9:15 pm

1 stop12h 30m

Chicago O'Hare Intl

Sat 10/18

7:25 pm-2:35 pm

1 stop12h 10m

$457

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Wed 10/15

3:45 pm-6:15 pm

1 stop33h 30m

Chicago O'Hare Intl

Fri 10/24

7:25 pm-2:35 pm

1 stop12h 10m

$460

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Mon 8/25

7:00 am-2:55 pm

1 stop14h 55m

Chicago O'Hare Intl

Sun 9/7

2:32 pm-1:15 pm

1 stop15h 43m

$530

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Sat 9/13

7:00 am-2:55 pm

1 stop14h 55m

Chicago O'Hare Intl

Sat 9/27

2:39 pm-1:15 pm

1 stop15h 36m

$531

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Mon 8/25

11:05 am-2:30 pm

Nonstop10h 25m

Chicago O'Hare Intl

Sun 9/7

5:00 pm-9:10 am

Nonstop9h 10m

$556

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Thu 9/25

11:05 am-2:30 pm

Nonstop10h 25m

Chicago O'Hare Intl

Mon 10/13

5:11 pm-7:15 pm

2 stops19h 04m

$558

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Fri 10/17

10:20 am-10:39 pm

1 stop19h 19m

Chicago O'Hare Intl

Wed 10/29

10:45 pm-9:55 pm

1 stop17h 10m

$564

RomeMoline

FCO - MLI

FCOMLI

Rome Fiumicino

Fri 11/7

1:10 pm-10:16 am

2 stops28h 06m

Moline Quad-City

Tue 11/11

3:37 pm-9:55 pm

2 stops23h 18m

$673

RomeSt. Louis

FCO - STL

FCOSTL

Rome Fiumicino

Mon 8/18

10:00 am-11:14 pm

1 stop20h 14m

Lambert-St Louis

Sun 8/24

8:50 am-3:25 pm

2 stops23h 35m

$988

RomeSt. Louis

FCO - STL

FCOSTL

Rome Fiumicino

Mon 8/18

10:00 am-8:22 pm

1 stop17h 22m

Lambert-St Louis

Sat 8/23

5:52 pm-8:05 am

1 stop31h 13m

$1,163

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Rome Fiumicino Airport to Illinois

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

Airlines

Other information

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Rome Fiumicino Airport is in February. Flight prices, which tend to average around $556, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of February, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $608.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from Rome Fiumicino Airport to Illinois is on a Thursday when prices can be found for as low as $746. Flights from Rome Fiumicino Airport to Illinois on a Sunday will generally be more expensive and average around $923. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the afternoon. Flights from Rome Fiumicino Airport to Illinois during this time can be as low as $527. Flights at noon are often more expensive with an average ticket price of $843.

What is the cheapest Rome Fiumicino to Illinois flight route?

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

How far in advance should I book a flight to Illinois?

You are more likely to see cheaper flights to Illinois from Rome Fiumicino Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $751 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Rome Fiumicino Airport for as low as $467 on momondo.

What cabin class options are available on Rome Fiumicino to Illinois flights?

There are 4 cabin classes available to choose from on Rome Fiumicino to Illinois 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 Illinois flights?

No. A direct flight is the cheapest option for a flight between Rome Fiumicino Airport to Illinois.

Cheap Rome Fiumicino Airport to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Rome Fiumicino Airport to Illinois

Best Price Found	$290
Fastest flight time	10h 25m
Direct flights	Every day
Airports in Illinois	3 airports

The best one-way flight to Illinois from Rome Fiumicino Airport in the past 72 hours is $290. The best round-trip flight deal from Rome Fiumicino Airport to Illinois found on momondo in the last 72 hours is $457.

The fastest flight from Rome Fiumicino Airport to Illinois takes 10h 25m

Direct flights go from Rome Fiumicino Airport to Illinois every day.

There are 3 airports near Illinois: Chicago O'Hare Intl (ORD), Chicago Midway (MDW), Lambert-St Louis (STL)

Search flight deals

When did momondo last update prices for flights from Rome Fiumicino Airport to Illinois?
Prices for flights from Rome Fiumicino Airport to Illinois are refreshed on a daily basis.
How many operators does momondo search for flights from Rome Fiumicino Airport to Illinois?
The number of operators available for flights from Rome Fiumicino Airport to Illinois is 6 as of August 2025.
How old do you have to be to fly from Rome Fiumicino Airport to Illinois?
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 Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Rome Fiumicino Airport to Illinois?
momondo data reveals that the most frequently booked plane model on the route from Rome Fiumicino Airport to Illinois is Boeing 787 Dreamliner, representing 44.45% of all bookings. The subsequent popular models are Boeing 787-10 Dreamliner at 15.64%, Airbus A330 at 10.91%, and Boeing 787-8 Dreamliner at 5.82%.

Best airlines flying from Rome Fiumicino Airport to Illinois

Compare and see reviews for airlines that fly from Rome Fiumicino Airport to Illinois with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $536	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Iberia	PriceFrom $550	Free Cancellation	Rating 7.0 2,865 reviews	Search Iberia flights
British Airways	PriceFrom $628	Free Cancellation	Rating 6.6 7,251 reviews	Search British Airways flights
Lufthansa	PriceFrom $639	Free Cancellation	Rating 6.8 7,296 reviews	Search Lufthansa flights
United Airlines	PriceFrom $639	Free Cancellation	Rating 7.4 8,916 reviews	Search United Airlines flights
ITA Airways	PriceFrom $658	Free Cancellation	Rating 6.7 1,011 reviews	Search ITA Airways flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Rome to Illinois for you.

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

Yes. All flights to Illinois from Rome on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo provides multiple filters to help you find the best flight to Illinois from Rome. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Rome to Illinois flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Rome Fiumicino Airport to Illinois from $290

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Filter for what you want

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Find the cheapest flights from Rome Fiumicino Airport to Illinois

Cheap round-trip flights

Cheap one-way flights

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Cheap direct flights

British Airways flights from Rome Fiumicino Airport to Illinois

Our best British Airways deals on Rome Fiumicino Airport to Illinois flight tickets

Icelandair flights from Rome Fiumicino Airport to Illinois

Our best Icelandair deals on Rome Fiumicino Airport to Illinois flight tickets

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Use the filters below to find and compare flights from Rome Fiumicino Airport to Illinois that are best for you.

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How to get the cheapest flight ticket from Rome Fiumicino Airport to Illinois

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

What is the cheapest month to fly to Illinois?

What is the cheapest day to depart on your flight to Illinois?

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the afternoon. Flights from Rome Fiumicino Airport to Illinois during this time can be as low as $527. Flights at noon are often more expensive with an average ticket price of $843.

What is the cheapest Rome Fiumicino to Illinois flight route?

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

How far in advance should I book a flight to Illinois?

What cabin class options are available on Rome Fiumicino to Illinois flights?

There are 4 cabin classes available to choose from on Rome Fiumicino to Illinois 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 Illinois flights?

No. A direct flight is the cheapest option for a flight between Rome Fiumicino Airport to Illinois.

What is the cheapest airline that flies from Rome Fiumicino to Illinois?

WestJet and TAP AIR PORTUGAL are the most popular carriers operating from Rome Fiumicino to Illinois

What airlines fly to Illinois?

How many flights depart from Rome Fiumicino Airport to Illinois on average per day?

As of August 2025, there are 12 flights per day flying from Rome Fiumicino Airport to Illinois. The most common time of day flights depart is 9:00AM, with 93% of flights taking off at noon.

How many flights depart from Rome Fiumicino Airport to Illinois on average per week?

88 flights are operational weekly from Rome Fiumicino Airport to Illinois as of August 2025. The most popular departure day for this route is Wed, with 16% of flights per week taking off on this day.

Cheap Rome Fiumicino Airport to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Rome Fiumicino Airport to Illinois

Best Price Found

Fastest flight time

Direct flights

Airports in Illinois

When did momondo last update prices for flights from Rome Fiumicino Airport to Illinois?

How many operators does momondo search for flights from Rome Fiumicino Airport to Illinois?

How old do you have to be to fly from Rome Fiumicino Airport to Illinois?

What documentation or ID do you need to fly to Illinois?

What is the most popular plane model from Rome Fiumicino Airport to Illinois?

Best airlines flying from Rome Fiumicino Airport to Illinois

Compare and see reviews for airlines that fly from Rome Fiumicino Airport to Illinois with momondo

Why use momondo?

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

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

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

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

An easier way to manage your Illinois 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 Illinois

Popular cities in Illinois

Popular flights according to clicks in the last 7 days on momondo