What airlines fly to Illinois?

United Airlines, American Airlines and ITA Airways 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 45% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 4 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

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

Finnair, British Airways, and Iberia 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?

83 flights are operational weekly from Rome Fiumicino Airport to Illinois as of July 2026. The most popular departure day for this route is Mon, with 16% of flights per week taking off on this day.

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 4 as of July 2026.

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.

$382 Cheap Flights from Rome Fiumicino Airport to Illinois in 2026

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

As of July 2026, there are 11 flights per day flying from Rome Fiumicino Airport to Illinois. The most common time of day flights depart is 9:00AM, with 91% of flights taking off at noon.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Rome Fiumicino Airport to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:55 am - 4:05 pm

FCO

ORD

17h 10m

1 stop

6:00 pm - 10:20 am

ORD

FCO

33h 20m

1 stop

$666TAP AIR PORTUGAL

Sat, Sep 12 - Fri, Sep 25

10:35 am - 9:37 pm

FCO

ORD

18h 02m

2 stops

5:10 pm - 4:35 pm

ORD

FCO

16h 25m

2 stops

$668Delta

Thu, Sep 10 - Wed, Sep 23

12:15 pm - 10:30 pm

FCO

ORD

17h 15m

1 stop

7:05 pm - 8:05 pm

ORD

FCO

18h 00m

1 stop

$669American Airlines

Thu, Sep 17 - Mon, Sep 21

6:05 am - 3:10 pm

FCO

ORD

16h 05m

1 stop

5:10 pm - 2:25 pm

ORD

FCO

14h 15m

2 stops

$670Delta

Sat, Sep 12 - Fri, Sep 25

7:35 am - 2:25 pm

FCO

ORD

13h 50m

1 stop

5:10 pm - 9:10 am

ORD

FCO

9h 00mnonstop

$676Iberia

Tue, Sep 15 - Sun, Oct 11

7:30 am - 12:14 am

FCO

MLI

23h 44m

2 stops

4:20 pm - 4:55 pm

MLI

FCO

17h 35m

2 stops

$848American Airlines

Thu, Nov 19 - Mon, Nov 23

11:05 am - 12:05 am

FCO

MLI

20h 00m

1 stop

4:33 pm - 10:45 pm

MLI

FCO

23h 12m

2 stops

$880British Airways

Thu, Sep 10 - Thu, Sep 17

11:05 am - 11:18 pm

FCO

MLI

19h 13m

2 stops

4:33 pm - 11:45 pm

MLI

FCO

24h 12m

2 stops

$885British Airways

Thu, Sep 10 - Thu, Sep 17

7:05 am - 7:23 pm

FCO

STL

19h 18m

2 stops

1:08 pm - 7:45 am

STL

FCO

11h 37m

1 stop

$935United Airlines

Thu, Nov 5 - Sun, Nov 8

7:05 am - 7:23 pm

FCO

STL

19h 18m

2 stops

1:08 pm - 7:45 am

STL

FCO

11h 37m

1 stop

$937United Airlines

Thu, Nov 5 - Sun, Nov 8

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Scandinavian Airlines flights from Rome Fiumicino Airport to Illinois

Our best Scandinavian Airlines deals on Rome Fiumicino Airport to Illinois flight tickets

Scandinavian Airlines

Jan 9

FCO11:55 amRome Fiumicino

35h 50m

1 stop

ORD4:45 pmChicago O'Hare Intl

Jan 18

ORD7:15 pmChicago O'Hare Intl

32h 50m

1 stop

FCO11:05 amRome Fiumicino

$705

Scandinavian Airlines

Oct 1

FCO9:40 amRome Fiumicino

13h 30m

1 stop

ORD4:10 pmChicago O'Hare Intl

Oct 13

ORD7:30 amChicago O'Hare Intl

20h 35m

2 stops

FCO11:05 amRome Fiumicino

$706

Scandinavian Airlines

Aug 31

FCO8:10 pmRome Fiumicino

27h 00m

2 stops

ORD4:10 pmChicago O'Hare Intl

Oct 21

ORD10:24 amChicago O'Hare Intl

17h 41m

2 stops

FCO11:05 amRome Fiumicino

$724

Delta flights from Rome Fiumicino Airport to Illinois

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

Delta

Sep 10

FCO10:35 amRome Fiumicino

18h 02m

2 stops

ORD9:37 pmChicago O'Hare Intl

Sep 23

ORD5:10 pmChicago O'Hare Intl

16h 25m

2 stops

FCO4:35 pmRome Fiumicino

$668

Delta

Sep 5

FCO10:35 amRome Fiumicino

16h 55m

2 stops

ORD8:30 pmChicago O'Hare Intl

Sep 19

ORD5:10 pmChicago O'Hare Intl

14h 15m

2 stops

FCO2:25 pmRome Fiumicino

$669

Delta

Sep 12

FCO6:05 amRome Fiumicino

16h 05m

1 stop

ORD3:10 pmChicago O'Hare Intl

Sep 25

ORD5:10 pmChicago O'Hare Intl

14h 15m

2 stops

FCO2:25 pmRome Fiumicino

$670

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

Cheapest round-trip

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Sat 9/12

5:55 am-4:05 pm

1 stop17h 10m

Chicago O'Hare Intl

Fri 9/25

6:00 pm-10:20 am

1 stop33h 20m

$666

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Thu 9/10

10:35 am-9:37 pm

2 stops18h 02m

Chicago O'Hare Intl

Wed 9/23

5:10 pm-4:35 pm

2 stops16h 25m

$668

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Thu 9/17

12:15 pm-10:30 pm

1 stop17h 15m

Chicago O'Hare Intl

Mon 9/21

7:05 pm-8:05 pm

1 stop18h 00m

$669

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Sat 9/12

6:05 am-3:10 pm

1 stop16h 05m

Chicago O'Hare Intl

Fri 9/25

5:10 pm-2:25 pm

2 stops14h 15m

$670

Quickest round-trip

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Tue 9/15

7:35 am-2:25 pm

1 stop13h 50m

Chicago O'Hare Intl

Sun 10/11

5:10 pm-9:10 am

Nonstop9h 00m

$676

RomeMoline

FCO - MLI

FCOMLI

Rome Fiumicino

Thu 11/19

7:30 am-12:14 am

2 stops23h 44m

Moline Quad-City

Mon 11/23

4:20 pm-4:55 pm

2 stops17h 35m

$848

RomeMoline

FCO - MLI

FCOMLI

Rome Fiumicino

Thu 9/10

11:05 am-12:05 am

1 stop20h 00m

Moline Quad-City

Thu 9/17

4:33 pm-10:45 pm

2 stops23h 12m

$880

RomeMoline

FCO - MLI

FCOMLI

Rome Fiumicino

Thu 9/10

11:05 am-11:18 pm

2 stops19h 13m

Moline Quad-City

Thu 9/17

4:33 pm-11:45 pm

2 stops24h 12m

$885

RomeSt. Louis

FCO - STL

FCOSTL

Rome Fiumicino

Thu 11/5

7:05 am-7:23 pm

2 stops19h 18m

Lambert-St Louis

Sun 11/8

1:08 pm-7:45 am

1 stop11h 37m

$935

RomeSt. Louis

FCO - STL

FCOSTL

Rome Fiumicino

Thu 11/5

7:05 am-7:23 pm

2 stops19h 18m

Lambert-St Louis

Sun 11/8

1:08 pm-7:45 am

1 stop11h 37m

$937

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 November. Flight prices, which tend to average around $637, 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 November, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $720.

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 $766. Flights from Rome Fiumicino Airport to Illinois on a Tuesday will generally be more expensive and average around $1,075. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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 from Rome Fiumicino Airport 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 $789 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 $596 on momondo.

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

There are 3 cabin classes available to choose from on Rome Fiumicino Airport 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?

You could potentially save up to 6% on your flight if you consider stops on a Rome Fiumicino Airport to Illinois flight.

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	$544
Fastest flight time	10h 25m
Direct flights	Every day
Airports in Illinois	98 airports

The best one-way flight to Illinois from Rome Fiumicino Airport in the past 72 hours is $544. The best round-trip flight deal from Rome Fiumicino Airport to Illinois found on momondo in the last 72 hours is $679.

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 98 airports in Illinois. From Rome Fiumicino Airport there are direct flights to Chicago O'Hare Intl (ORD).

Search flight deals

Frequently asked questions about flying from Rome Fiumicino Airport to Illinois

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 4 as of July 2026.
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 787-10 Dreamliner, representing 42.69% of all bookings. The subsequent popular models are Airbus A330-900neo at 16.80%, Boeing 787-9 Dreamliner at 12.58%, and Airbus A330-300 at 6.01%.

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
British Airways	PriceFrom $571	Free Cancellation	Rating 6.7 8,132 reviews	Search British Airways flights
United Airlines	PriceFrom $585	Free Cancellation	Rating 7.4 10,041 reviews	Search United Airlines flights
American Airlines	PriceFrom $609	Free Cancellation	Rating 7.1 11,845 reviews	Search American Airlines flights
ITA Airways	PriceFrom $699	Free Cancellation	Rating 6.7 1,299 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.