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 60% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 3 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 Lufthansa 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?

40 flights are operational weekly from Rome Fiumicino Airport to Illinois as of October 2026. The most popular departure day for this route is Wed, with 25% 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 3 as of October 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.

$371 Cheap Flights from Rome Fiumicino Airport to Illinois in 2026/27

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

As of October 2026, there are 5 flights per day flying from Rome Fiumicino Airport to Illinois. The most common time of day flights depart is 9:00AM, with 97% 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.

11:15 am - 6:20 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl

14h 05m1 stop Dublin

3:55 pm - 10:35 amORD Chicago O'Hare Intl-FCO Rome Fiumicino

11h 40m1 stop Dublin

$618Aer Lingus

Sun, Nov 22 - Sun, Dec 13

11:25 am - 5:20 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl

12h 55m1 stop Reykjavik Keflavik Intl

6:30 pm - 2:00 pmORD Chicago O'Hare Intl-FCO Rome Fiumicino

12h 30m1 stop Reykjavik Keflavik Intl

$620Icelandair

Mon, Nov 23 - Wed, Dec 2

11:25 am - 5:20 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl

12h 55m1 stop Reykjavik Keflavik Intl

6:30 pm - 2:00 pmORD Chicago O'Hare Intl-FCO Rome Fiumicino

12h 30m1 stop Reykjavik Keflavik Intl

$620Icelandair

Mon, Nov 23 - Sat, Dec 5

7:30 am - 3:10 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl

14h 40m1 stop Madrid Barajas

6:30 pm - 3:20 pmORD Chicago O'Hare Intl-FCO Rome Fiumicino

13h 50m1 stop London Heathrow

$638American Airlines

Thu, Nov 19 - Thu, Nov 26

7:30 am - 2:55 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl

14h 25m1 stop Madrid Barajas

8:30 pm - 7:45 pmORD Chicago O'Hare Intl-FCO Rome Fiumicino

16h 15m1 stop London Heathrow

$638American Airlines

Thu, Nov 19 - Sat, Dec 5

7:30 am - 2:55 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl

14h 25m1 stop Madrid Barajas

12:06 pm - 12:20 pmORD Chicago O'Hare Intl-FCO Rome Fiumicino

17h 14m2 stops Boston Logan Intl London Heathrow

$638American Airlines

Thu, Nov 19 - Wed, Dec 2

7:05 am - 3:20 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl

15h 15m1 stop Frankfurt am Main

4:40 pm - 7:45 amORD Chicago O'Hare Intl-FCO Rome Fiumicino

9h 05mnonstop

$657United Airlines

Thu, Feb 18 - Mon, Mar 22

7:05 am - 3:20 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl

15h 15m1 stop Frankfurt am Main

4:40 pm - 7:45 amORD Chicago O'Hare Intl-FCO Rome Fiumicino

9h 05mnonstop

$659United Airlines

Thu, Feb 18 - Mon, Mar 22

10:10 am - 6:51 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl

15h 41m1 stop Washington, D.C. Dulles Intl

8:52 am - 7:00 amORD Chicago O'Hare Intl-FCO Rome Fiumicino

15h 08m1 stop Washington, D.C. Dulles Intl

$1,725ITA Airways

Sun, Nov 22 - Tue, Dec 8

10:15 am - 8:40 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl

17h 25m1 stop Boston Logan Intl

9:10 am - 7:15 amORD Chicago O'Hare Intl-FCO Rome Fiumicino

15h 05m1 stop Boston Logan Intl

$1,742ITA Airways

Sun, Nov 22 - Fri, Dec 4

Cheap last minute flights

Enter your travel dates to find the best prices.

1:10 pm - 11:59 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl

16h 49m1 stop Dallas/Fort Worth

8:30 pm - 4:55 pmORD Chicago O'Hare Intl-FCO Rome Fiumicino

13h 25m1 stop London Heathrow

$652British Airways

Thu, Oct 29 - Wed, Nov 11

1:10 pm - 11:59 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl

16h 49m1 stop Dallas/Fort Worth

6:35 pm - 7:25 pmORD Chicago O'Hare Intl-FCO Rome Fiumicino

17h 50m1 stop London Heathrow

$653British Airways

Thu, Oct 29 - Wed, Nov 11

1:10 pm - 7:16 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl

36h 06m1 stop Dallas/Fort Worth

6:35 pm - 7:25 pmORD Chicago O'Hare Intl-FCO Rome Fiumicino

17h 50m1 stop London Heathrow

$654British Airways

Thu, Oct 29 - Wed, Nov 11

1:10 pm - 11:59 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl

16h 49m1 stop Dallas/Fort Worth

9:50 pm - 4:55 pmORD Chicago O'Hare Intl-FCO Rome Fiumicino

12h 05m1 stop London Heathrow

$655British Airways

Thu, Oct 29 - Mon, Jan 25

1:10 pm - 11:59 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl

16h 49m1 stop Dallas/Fort Worth

5:40 pm - 1:55 pmORD Chicago O'Hare Intl-FCO Rome Fiumicino

13h 15m1 stop Madrid Barajas

$810American Airlines

Thu, Oct 29 - Wed, Nov 11

9:45 am - 2:10 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl

10h 25mnonstop

6:50 pm - 2:00 pmORD Chicago O'Hare Intl-FCO Rome Fiumicino

12h 10m1 stop Zurich

$852United Airlines

Thu, Oct 29 - Thu, Jan 28

9:45 am - 2:10 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl

10h 25mnonstop

6:50 pm - 2:00 pmORD Chicago O'Hare Intl-FCO Rome Fiumicino

12h 10m1 stop Zurich

$852United Airlines

Thu, Oct 29 - Mon, Jan 25

9:45 am - 2:10 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl

10h 25mnonstop

6:50 pm - 2:00 pmORD Chicago O'Hare Intl-FCO Rome Fiumicino

12h 10m1 stop Zurich

$852United Airlines

Thu, Oct 29 - Sat, Jan 30

2:10 pm - 10:30 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl

15h 20m1 stop Philadelphia

5:40 pm - 8:55 amORD Chicago O'Hare Intl-FCO Rome Fiumicino

9h 15mnonstop

$1,558American Airlines

Sat, Oct 24 - Wed, Oct 28

10:00 am - 1:40 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl

10h 40mnonstop

5:40 pm - 8:55 amORD Chicago O'Hare Intl-FCO Rome Fiumicino

9h 15mnonstop

$1,715American Airlines

Sat, Oct 24 - Wed, Oct 28

Cheap direct flights

Enter your travel dates to find the best prices.

10:00 am - 1:30 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl

10h 30mnonstop

6:10 pm - 10:20 amORD Chicago O'Hare Intl-FCO Rome Fiumicino

9h 10mnonstop

$641Finnair

Thu, Apr 8 - Tue, Apr 13

9:45 am - 1:10 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl

10h 25mnonstop

4:40 pm - 7:45 amORD Chicago O'Hare Intl-FCO Rome Fiumicino

9h 05mnonstop

$686United Airlines

Fri, Mar 12 - Tue, Mar 16

10:00 am - 1:30 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl

10h 30mnonstop

6:10 pm - 10:20 amORD Chicago O'Hare Intl-FCO Rome Fiumicino

9h 10mnonstop

$721Finnair

Wed, Apr 21 - Sat, Apr 24

10:00 am - 1:30 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl

10h 30mnonstop

6:10 pm - 10:20 amORD Chicago O'Hare Intl-FCO Rome Fiumicino

9h 10mnonstop

$722Iberia

Wed, Apr 21 - Sat, Apr 24

10:00 am - 1:30 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl

10h 30mnonstop

6:10 pm - 10:20 amORD Chicago O'Hare Intl-FCO Rome Fiumicino

9h 10mnonstop

$723Finnair

Wed, Apr 7 - Sat, Apr 10

9:45 am - 1:10 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl

10h 25mnonstop

3:40 pm - 7:45 amORD Chicago O'Hare Intl-FCO Rome Fiumicino

9h 05mnonstop

$838Lufthansa

Fri, Nov 20 - Fri, Nov 27

9:45 am - 1:10 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl

10h 25mnonstop

3:40 pm - 7:45 amORD Chicago O'Hare Intl-FCO Rome Fiumicino

9h 05mnonstop

$841Lufthansa

Mon, Nov 23 - Tue, Dec 1

9:45 am - 1:10 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl

10h 25mnonstop

3:40 pm - 7:45 amORD Chicago O'Hare Intl-FCO Rome Fiumicino

9h 05mnonstop

$843Lufthansa

Sun, Dec 6 - Sun, Dec 13

9:45 am - 1:10 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl

10h 25mnonstop

3:40 pm - 7:45 amORD Chicago O'Hare Intl-FCO Rome Fiumicino

9h 05mnonstop

$843Lufthansa

Fri, Dec 4 - Wed, Dec 9

9:45 am - 1:10 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl

10h 25mnonstop

3:40 pm - 7:45 amORD Chicago O'Hare Intl-FCO Rome Fiumicino

9h 05mnonstop

$854United Airlines

Fri, Nov 13 - Thu, Nov 26

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

British Airways flights from Rome Fiumicino Airport to Illinois

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

British Airways

Nov 14

FCO10:40 amRome Fiumicino

15h 05m

1 stop

ORD6:45 pmChicago O'Hare Intl

Nov 25

ORD9:50 pmChicago O'Hare Intl

12h 05m

1 stop

FCO4:55 pmRome Fiumicino

$648

British Airways

Oct 29

FCO1:10 pmRome Fiumicino

16h 49m

1 stop

ORD11:59 pmChicago O'Hare Intl

Nov 11

ORD6:35 pmChicago O'Hare Intl

17h 50m

1 stop

FCO7:25 pmRome Fiumicino

$653

British Airways

Oct 29

FCO1:10 pmRome Fiumicino

36h 06m

1 stop

ORD7:16 pmChicago O'Hare Intl

Nov 11

ORD6:35 pmChicago O'Hare Intl

17h 50m

1 stop

FCO7:25 pmRome Fiumicino

$654

American Airlines flights from Rome Fiumicino Airport to Illinois

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

American Airlines

Nov 19

FCO7:30 amRome Fiumicino

14h 25m

1 stop

ORD2:55 pmChicago O'Hare Intl

Dec 2

ORD12:06 pmChicago O'Hare Intl

17h 14m

2 stops

FCO12:20 pmRome Fiumicino

$638

American Airlines

Nov 21

FCO12:00 pmRome Fiumicino

27h 00m

2 stops

ORD8:00 amChicago O'Hare Intl

Dec 4

ORD2:44 pmChicago O'Hare Intl

17h 11m

2 stops

FCO2:55 pmRome Fiumicino

$644

American Airlines

Nov 13

FCO7:30 amRome Fiumicino

14h 25m

1 stop

ORD2:55 pmChicago O'Hare Intl

Nov 27

ORD8:00 pmChicago O'Hare Intl

18h 55m

1 stop

FCO9:55 pmRome Fiumicino

$646

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 Rome Fiumicino - ORD Chicago O'Hare Intl

FCOORD

Rome Fiumicino

Sun 11/22

11:15 am-6:20 pm

1 stop14h 05m

Chicago O'Hare Intl

Sun 12/13

3:55 pm-10:35 am

1 stop11h 40m

$618

RomeChicago

FCO Rome Fiumicino - ORD Chicago O'Hare Intl

FCOORD

Rome Fiumicino

Mon 11/23

11:25 am-5:20 pm

1 stop12h 55m

Chicago O'Hare Intl

Wed 12/2

6:30 pm-2:00 pm

1 stop12h 30m

$620

RomeChicago

FCO Rome Fiumicino - ORD Chicago O'Hare Intl

FCOORD

Rome Fiumicino

Mon 11/23

11:25 am-5:20 pm

1 stop12h 55m

Chicago O'Hare Intl

Sat 12/5

6:30 pm-2:00 pm

1 stop12h 30m

$620

RomeChicago

FCO Rome Fiumicino - ORD Chicago O'Hare Intl

FCOORD

Rome Fiumicino

Thu 11/19

7:30 am-3:10 pm

1 stop14h 40m

Chicago O'Hare Intl

Thu 11/26

6:30 pm-3:20 pm

1 stop13h 50m

$638

RomeChicago

FCO Rome Fiumicino - ORD Chicago O'Hare Intl

FCOORD

Rome Fiumicino

Thu 11/19

7:30 am-2:55 pm

1 stop14h 25m

Chicago O'Hare Intl

Sat 12/5

8:30 pm-7:45 pm

1 stop16h 15m

$638

RomeChicago

FCO Rome Fiumicino - ORD Chicago O'Hare Intl

FCOORD

Rome Fiumicino

Thu 11/19

7:30 am-2:55 pm

1 stop14h 25m

Chicago O'Hare Intl

Wed 12/2

12:06 pm-12:20 pm

2 stops17h 14m

$638

Quickest round-trip

RomeChicago

FCO Rome Fiumicino - ORD Chicago O'Hare Intl

FCOORD

Rome Fiumicino

Thu 2/18

7:05 am-3:20 pm

1 stop15h 15m

Chicago O'Hare Intl

Mon 3/22

4:40 pm-7:45 am

Nonstop9h 05m

$657

RomeChicago

FCO Rome Fiumicino - ORD Chicago O'Hare Intl

FCOORD

Rome Fiumicino

Thu 2/18

7:05 am-3:20 pm

1 stop15h 15m

Chicago O'Hare Intl

Mon 3/22

4:40 pm-7:45 am

Nonstop9h 05m

$659

RomeChicago

FCO Rome Fiumicino - ORD Chicago O'Hare Intl

FCOORD

Rome Fiumicino

Sun 11/22

10:10 am-6:51 pm

1 stop15h 41m

Chicago O'Hare Intl

Tue 12/8

8:52 am-7:00 am

1 stop15h 08m

$1,725

RomeChicago

FCO Rome Fiumicino - ORD Chicago O'Hare Intl

FCOORD

Rome Fiumicino

Sun 11/22

10:15 am-8:40 pm

1 stop17h 25m

Chicago O'Hare Intl

Fri 12/4

9:10 am-7:15 am

1 stop15h 05m

$1,742

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 $654, 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 September is also cheap. Prices for this month can be found on momondo for an average of $685.

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 $748. Flights from Rome Fiumicino Airport to Illinois on a Wednesday will generally be more expensive and average around $967. 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 $836 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 $648 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?

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	$371
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 $371. The best round-trip flight deal from Rome Fiumicino Airport to Illinois found on momondo in the last 72 hours is $618.

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 3 as of October 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 31.29% of all bookings. The subsequent popular models are Boeing 787-9 Dreamliner at 22.33%, Airbus A330-900neo at 11.07%, and Boeing 787 Dreamliner at 8.65%.

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 $620	Free Cancellation	Rating 7.0 12,195 reviews	Search American Airlines flights
United Airlines	PriceFrom $698	Free Cancellation	Rating 7.3 10,420 reviews	Search United Airlines flights
ITA Airways	PriceFrom $753	Free Cancellation	Rating 6.8 1,402 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.