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 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 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.

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

As of December 2025, 6 flights take off from Rome and land in Illinois each week. The most common flight departure day for this route is Mon, with 17% of weekly flights taking off on this day.

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

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

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

The number of operators available for flights from Rome to Illinois is 4 as of December 2025.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Rome to Illinois.

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

The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$242 Cheap Flights from Rome to Illinois in 2025/26

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Find the cheapest flights from Rome to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:25 am - 5:20 pm

FCO

ORD

12h 55m1 stop

6:30 pm - 2:00 pm

ORD

FCO

12h 30m1 stop

$521Icelandair

Thu, Jan 15 - Thu, Jan 29

4:40 pm - 3:25 pm

FCO

ORD

29h 45m1 stop

7:10 pm - 3:50 pm

ORD

FCO

13h 40m1 stop

$532TAP AIR PORTUGAL

Thu, Jan 15 - Wed, Jan 28

11:45 am - 4:45 pm

FCO

ORD

36h 00m2 stops

7:20 pm - 11:30 pm

ORD

FCO

21h 10m2 stops

$592Multiple Airlines

Wed, Feb 4 - Wed, Feb 11

11:05 am - 2:30 pm

FCO

ORD

10h 25mnonstop

10:35 pm - 7:55 pm

ORD

FCO

14h 20m1 stop

$598Multiple Airlines

Wed, Apr 1 - Tue, Apr 7

1:10 pm - 11:23 pm

FCO

STL

17h 13m1 stop

11:46 am - 9:55 pm

STL

FCO

27h 09m2 stops

$737British Airways

Thu, Feb 26 - Mon, Mar 2

7:40 am - 6:02 pm

FCO

STL

17h 22m2 stops

5:55 pm - 9:55 pm

STL

FCO

21h 00m2 stops

$747British Airways

Thu, Feb 26 - Mon, Mar 2

7:05 am - 10:58 pm

FCO

STL

22h 53m2 stops

12:44 pm - 8:30 am

STL

FCO

12h 46m1 stop

$805Lufthansa

Tue, Feb 3 - Tue, Feb 10

10:30 am - 11:59 pm

FCO

STL

20h 29m1 stop

11:22 am - 7:55 am

STL

FCO

13h 33m1 stop

$865Lufthansa

Tue, Feb 3 - Tue, Feb 10

7:00 am - 9:36 pm

FCO

MLI

21h 36m2 stops

5:29 pm - 6:15 pm

MLI

FCO

17h 46m2 stops

$923United Airlines

Wed, Feb 4 - Wed, Feb 11

9:45 am - 7:04 pm

FCO

MLI

16h 19m1 stop

8:30 am - 7:55 am

MLI

FCO

16h 25m1 stop

$964United Airlines

Fri, Apr 17 - Tue, Apr 21

Icelandair flights from Rome to Illinois

Our best Icelandair deals on Rome to Illinois flight tickets

Icelandair

Jan 15

FCO11:25 amRome Fiumicino

12h 55m

1 stop

ORD5:20 pmChicago O'Hare Intl

Jan 29

ORD6:30 pmChicago O'Hare Intl

12h 30m

1 stop

FCO2:00 pmRome Fiumicino

$521

Find similar

Icelandair

Jan 15

FCO11:25 amRome Fiumicino

12h 55m

1 stop

ORD5:20 pmChicago O'Hare Intl

Jan 29

ORD6:30 pmChicago O'Hare Intl

12h 30m

1 stop

FCO2:00 pmRome Fiumicino

$541

Find similar

Icelandair

Jan 22

FCO11:25 amRome Fiumicino

12h 55m

1 stop

ORD5:20 pmChicago O'Hare Intl

Feb 7

ORD6:30 pmChicago O'Hare Intl

12h 30m

1 stop

FCO2:00 pmRome Fiumicino

$573

Find similar

TAP AIR PORTUGAL flights from Rome to Illinois

Our best TAP AIR PORTUGAL deals on Rome to Illinois flight tickets

TAP AIR PORTUGAL

Jan 15

FCO7:35 pmRome Fiumicino

26h 50m

1 stop

ORD3:25 pmChicago O'Hare Intl

Jan 28

ORD7:10 pmChicago O'Hare Intl

13h 40m

1 stop

FCO3:50 pmRome Fiumicino

$532

Find similar

TAP AIR PORTUGAL

Feb 17

FCO4:40 pmRome Fiumicino

29h 20m

1 stop

ORD3:00 pmChicago O'Hare Intl

Mar 4

ORD7:10 pmChicago O'Hare Intl

21h 55m

1 stop

FCO12:05 amRome Fiumicino

$538

Find similar

TAP AIR PORTUGAL

Jan 16

FCO6:00 amRome Fiumicino

16h 25m

1 stop

ORD3:25 pmChicago O'Hare Intl

Jan 25

ORD8:25 pmChicago O'Hare Intl

20h 40m

1 stop

FCO12:05 amRome Fiumicino

$551

Find similar

Fly from

Fly to

Route

Depart

Return

Price

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Thu 1/15

11:25 am-5:20 pm

1 stop12h 55m

Chicago O'Hare Intl

Thu 1/29

6:30 pm-2:00 pm

1 stop12h 30m

$521

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Thu 1/15

4:40 pm-3:25 pm

1 stop29h 45m

Chicago O'Hare Intl

Wed 1/28

7:10 pm-3:50 pm

1 stop13h 40m

$532

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Wed 2/4

11:45 am-4:45 pm

2 stops36h 00m

Chicago O'Hare Intl

Wed 2/11

7:20 pm-11:30 pm

2 stops21h 10m

$592

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Wed 4/1

11:05 am-2:30 pm

Nonstop10h 25m

Chicago O'Hare Intl

Tue 4/7

10:35 pm-7:55 pm

1 stop14h 20m

$598

RomeSt. Louis

FCO - STL

FCOSTL

Rome Fiumicino

Thu 2/26

1:10 pm-11:23 pm

1 stop17h 13m

Lambert-St Louis

Mon 3/2

11:46 am-9:55 pm

2 stops27h 09m

$737

RomeSt. Louis

FCO - STL

FCOSTL

Rome Fiumicino

Thu 2/26

7:40 am-6:02 pm

2 stops17h 22m

Lambert-St Louis

Mon 3/2

5:55 pm-9:55 pm

2 stops21h 00m

$747

RomeSt. Louis

FCO - STL

FCOSTL

Rome Fiumicino

Tue 2/3

7:05 am-10:58 pm

2 stops22h 53m

Lambert-St Louis

Tue 2/10

12:44 pm-8:30 am

1 stop12h 46m

$805

RomeSt. Louis

FCO - STL

FCOSTL

Rome Fiumicino

Tue 2/3

10:30 am-11:59 pm

1 stop20h 29m

Lambert-St Louis

Tue 2/10

11:22 am-7:55 am

1 stop13h 33m

$865

RomeMoline

FCO - MLI

FCOMLI

Rome Fiumicino

Wed 2/4

7:00 am-9:36 pm

2 stops21h 36m

Moline Quad-City

Wed 2/11

5:29 pm-6:15 pm

2 stops17h 46m

$923

RomeMoline

FCO - MLI

FCOMLI

Rome Fiumicino

Fri 4/17

9:45 am-7:04 pm

1 stop16h 19m

Moline Quad-City

Tue 4/21

8:30 am-7:55 am

1 stop16h 25m

$964

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 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 is in April. Flight prices, which tend to average around $611, 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 April, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $627.

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

The cheapest day to depart from Rome to Illinois is on a Thursday when prices can be found for as low as $729. Flights from Rome to Illinois on a Tuesday will generally be more expensive and average around $875. 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 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 to Illinois flight route?

Fly from Rome Fiumicino to Chicago O'Hare Intl for the best Rome - 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $788 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Rome for as low as $557 on momondo.

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

There are 3 cabin classes available to choose from on Rome 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 to Illinois flights?

You could potentially save up to 1% on your flight if you consider stops on a Rome to Illinois flight.

Cheap Rome to Illinois flight deals and tips

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

Best Price Found	$539
Fastest flight time	10h 25m
Direct flights	Every day
Airports in Illinois	98 airports

The best one-way flight to Illinois from Rome in the past 72 hours is $539. The best round-trip flight deal from Rome to Illinois found on momondo in the last 72 hours is $698.

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

Direct flights go from Rome to Illinois every day.

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

Search flight deals

When did momondo last update prices for flights from Rome to Illinois?
Prices for flights from Rome to Illinois are refreshed on a daily basis.
How many operators does momondo search for flights from Rome to Illinois?
The number of operators available for flights from Rome to Illinois is 4 as of December 2025.
How old do you have to be to fly from Rome to Illinois?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Rome to Illinois.
What documentation or ID do you need to fly to Illinois?
The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Rome to Illinois?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Rome to Illinois is Boeing 787 Dreamliner (37.22% of total bookings). The next most popular plane models are Boeing 787-10 Dreamliner (24.01%), Boeing 787-8 Dreamliner (11.45%), and Airbus A330-900neo (4.85%).

Best airlines flying from Rome to Illinois

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

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $536	Free Cancellation	Rating 7.2 11,053 reviews	Search American Airlines flights
Iberia	PriceFrom $550	Free Cancellation	Rating 7.0 3,055 reviews	Search Iberia flights
United Airlines	PriceFrom $585	Free Cancellation	Rating 7.4 9,102 reviews	Search United Airlines flights
British Airways	PriceFrom $657	Free Cancellation	Rating 6.7 7,602 reviews	Search British Airways flights

Why use momondo?

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

Finding the right flight to Illinois from Rome is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Illinois quick and easy, saving you time and money.

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

Flights from Rome to Illinois with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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 offers price alerts on flights to Illinois from Rome. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.