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 55% 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.

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

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

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

Delta, Turkish Airlines, and Air Serbia are the most popular carriers operating from Rome Fiumicino 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 September 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.

$515 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 September 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 95% 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.

3:45 pm - 6:15 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl

33h 30m1 stop Reykjavik Keflavik Intl

7:30 pm - 2:00 pmORD Chicago O'Hare Intl-FCO Rome Fiumicino

12h 30m1 stop Reykjavik Keflavik Intl

$528Icelandair

Wed, Oct 21 - Wed, Oct 28

3:45 pm - 6:15 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl

33h 30m1 stop Reykjavik Keflavik Intl

7:30 pm - 2:00 pmORD Chicago O'Hare Intl-FCO Rome Fiumicino

12h 30m1 stop Reykjavik Keflavik Intl

$536Icelandair

Thu, Oct 15 - Wed, Oct 28

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

$539Icelandair

Wed, Nov 18 - Mon, Nov 30

12:55 pm - 9:32 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl

15h 37m1 stop Newark

8:45 am - 9:15 amORD Chicago O'Hare Intl-FCO Rome Fiumicino

17h 30m1 stop Montreal Pierre Elliott Trudeau Intl

$570United Airlines

Fri, Oct 16 - Sat, Oct 17

11:00 am - 11:21 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl

19h 21m1 stop Newark

9:52 pm - 1:15 pmORD Chicago O'Hare Intl-FCO Rome Fiumicino

32h 23m1 stop Washington, D.C. Dulles Intl

$573United Airlines

Thu, Oct 1 - Fri, Oct 2

3:40 pm - 11:00 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl

38h 20m1 stop San Francisco

10:30 pm - 10:00 pmORD Chicago O'Hare Intl-FCO Rome Fiumicino

16h 30m2 stops Frankfurt am Main Munich Franz Josef Strauss

$647United Airlines

Wed, Oct 7 - Fri, Oct 9

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

10h 40mnonstop

10:30 pm - 7:20 pmORD Chicago O'Hare Intl-FCO Rome Fiumicino

13h 50m1 stop London Heathrow

$658American Airlines

Wed, Oct 7 - Sun, Oct 18

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

10h 40mnonstop

10:30 pm - 8:05 pmORD Chicago O'Hare Intl-FCO Rome Fiumicino

14h 35m1 stop London Heathrow

$658American Airlines

Wed, Oct 7 - Tue, Oct 13

9:20 am - 1:10 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl

10h 50mnonstop

3:00 pm - 7:25 amORD Chicago O'Hare Intl-FCO Rome Fiumicino

9h 25mnonstop

$668ITA Airways

Wed, Oct 14 - Sun, Oct 18

9:20 am - 1:10 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl

10h 50mnonstop

3:00 pm - 7:25 amORD Chicago O'Hare Intl-FCO Rome Fiumicino

9h 25mnonstop

$669ITA Airways

Wed, Oct 14 - Sun, Oct 18

Cheap last minute flights

Enter your travel dates to find the best prices.

7:30 am - 2:00 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl

13h 30m1 stop Dublin

9:00 pm - 7:55 pmORD Chicago O'Hare Intl-FCO Rome Fiumicino

15h 55m1 stop Dublin

$627Aer Lingus

Thu, Sep 17 - Wed, Sep 30

10:00 am - 4:46 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl

13h 46m1 stop New York John F Kennedy Intl

9:15 pm - 7:20 pmORD Chicago O'Hare Intl-FCO Rome Fiumicino

15h 05m1 stop London Heathrow

$630British Airways

Fri, Sep 18 - Fri, Oct 2

11:05 am - 2:35 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl

10h 30mnonstop

7:05 pm - 3:45 pmORD Chicago O'Hare Intl-FCO Rome Fiumicino

13h 40m1 stop London Heathrow

$637British Airways

Thu, Sep 17 - Wed, Sep 30

9:20 am - 1:10 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl

10h 50mnonstop

3:00 pm - 7:25 amORD Chicago O'Hare Intl-FCO Rome Fiumicino

9h 25mnonstop

$652ITA Airways

Thu, Sep 17 - Wed, Sep 30

11:05 am - 2:35 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl

10h 30mnonstop

4:55 pm - 9:10 amORD Chicago O'Hare Intl-FCO Rome Fiumicino

9h 15mnonstop

$666American Airlines

Wed, Sep 16 - Tue, Sep 29

9:20 am - 1:10 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl

10h 50mnonstop

3:00 pm - 7:25 amORD Chicago O'Hare Intl-FCO Rome Fiumicino

9h 25mnonstop

$677ITA Airways

Thu, Sep 17 - Wed, Sep 30

9:20 am - 1:10 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl

10h 50mnonstop

3:00 pm - 7:25 amORD Chicago O'Hare Intl-FCO Rome Fiumicino

9h 25mnonstop

$697ITA Airways

Thu, Sep 17 - Sun, Sep 20

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

10h 25mnonstop

9:52 pm - 1:15 pmORD Chicago O'Hare Intl-FCO Rome Fiumicino

32h 23m1 stop Washington, D.C. Dulles Intl

$853United Airlines

Fri, Sep 18 - Fri, Oct 2

3:20 pm - 7:28 amFCO Rome Fiumicino-ORD Chicago O'Hare Intl

23h 08m1 stop Washington, D.C. Dulles Intl

3:50 pm - 7:55 amORD Chicago O'Hare Intl-FCO Rome Fiumicino

9h 05mnonstop

$857United Airlines

Sat, Sep 19 - Mon, Oct 5

11:05 am - 2:35 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl

10h 30mnonstop

1:35 pm - 9:50 amORD Chicago O'Hare Intl-FCO Rome Fiumicino

13h 15m1 stop New York John F Kennedy Intl

$927American Airlines

Thu, Sep 17 - Wed, Sep 30

Cheap direct flights

Enter your travel dates to find the best prices.

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

10h 40mnonstop

4:45 pm - 9:10 amORD Chicago O'Hare Intl-FCO Rome Fiumicino

9h 25mnonstop

$604Finnair

Thu, Oct 15 - Tue, Oct 20

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

$604Finnair

Thu, Oct 15 - Wed, Oct 28

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

10h 40mnonstop

4:45 pm - 9:10 amORD Chicago O'Hare Intl-FCO Rome Fiumicino

9h 25mnonstop

$604Finnair

Wed, Oct 7 - Tue, Oct 20

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

10h 40mnonstop

4:45 pm - 9:10 amORD Chicago O'Hare Intl-FCO Rome Fiumicino

9h 25mnonstop

$665American Airlines

Thu, Oct 15 - Mon, Oct 19

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

$665American Airlines

Thu, Oct 15 - Wed, Oct 28

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

10h 40mnonstop

4:45 pm - 9:10 amORD Chicago O'Hare Intl-FCO Rome Fiumicino

9h 25mnonstop

$665American Airlines

Wed, Oct 7 - Tue, Oct 13

9:20 am - 1:10 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl

10h 50mnonstop

3:00 pm - 7:25 amORD Chicago O'Hare Intl-FCO Rome Fiumicino

9h 25mnonstop

$668ITA Airways

Wed, Oct 14 - Sun, Oct 18

9:20 am - 1:10 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl

10h 50mnonstop

3:00 pm - 7:25 amORD Chicago O'Hare Intl-FCO Rome Fiumicino

9h 25mnonstop

$669ITA Airways

Wed, Oct 14 - Sun, Oct 18

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

$730United Airlines

Thu, Oct 22 - Mon, Nov 2

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

$730United Airlines

Sat, Dec 26 - Tue, Dec 29

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LOT flights from Rome Fiumicino Airport to Illinois

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

LOT

Nov 25

FCO7:35 pmRome Fiumicino

31h 20m

1 stop

ORD7:55 pmChicago O'Hare Intl

Nov 29

ORD9:55 pmChicago O'Hare Intl

29h 50m

2 stops

FCO10:45 amRome Fiumicino

$558

LOT

Feb 23

FCO11:45 amRome Fiumicino

15h 10m

1 stop

ORD7:55 pmChicago O'Hare Intl

Feb 27

ORD9:50 pmChicago O'Hare Intl

13h 45m

1 stop

FCO6:35 pmRome Fiumicino

$581

LOT

Feb 23

FCO11:45 amRome Fiumicino

15h 10m

1 stop

ORD7:55 pmChicago O'Hare Intl

Feb 27

ORD9:50 pmChicago O'Hare Intl

30h 55m

2 stops

FCO11:45 amRome Fiumicino

$597

Finnair flights from Rome Fiumicino Airport to Illinois

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

Finnair

Oct 15

FCO10:00 amRome Fiumicino

10h 40m

ORD1:40 pmChicago O'Hare Intl

Oct 28

ORD5:40 pmChicago O'Hare Intl

9h 15m

FCO8:55 amRome Fiumicino

$604

Finnair

Oct 15

FCO10:00 amRome Fiumicino

10h 40m

ORD1:40 pmChicago O'Hare Intl

Oct 20

ORD9:30 pmChicago O'Hare Intl

13h 30m

1 stop

FCO6:00 pmRome Fiumicino

$607

Finnair

Oct 7

FCO10:00 amRome Fiumicino

10h 40m

ORD1:40 pmChicago O'Hare Intl

Oct 20

ORD9:30 pmChicago O'Hare Intl

13h 30m

1 stop

FCO6:00 pmRome Fiumicino

$608

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

Wed 10/21

3:45 pm-6:15 pm

1 stop33h 30m

Chicago O'Hare Intl

Wed 10/28

7:30 pm-2:00 pm

1 stop12h 30m

$528

RomeChicago

FCO Rome Fiumicino - ORD Chicago O'Hare Intl

FCOORD

Rome Fiumicino

Thu 10/15

3:45 pm-6:15 pm

1 stop33h 30m

Chicago O'Hare Intl

Wed 10/28

7:30 pm-2:00 pm

1 stop12h 30m

$536

RomeChicago

FCO Rome Fiumicino - ORD Chicago O'Hare Intl

FCOORD

Rome Fiumicino

Wed 11/18

11:25 am-5:20 pm

1 stop12h 55m

Chicago O'Hare Intl

Mon 11/30

6:30 pm-2:00 pm

1 stop12h 30m

$539

RomeChicago

FCO Rome Fiumicino - ORD Chicago O'Hare Intl

FCOORD

Rome Fiumicino

Fri 10/16

12:55 pm-9:32 pm

1 stop15h 37m

Chicago O'Hare Intl

Sat 10/17

8:45 am-9:15 am

1 stop17h 30m

$570

RomeChicago

FCO Rome Fiumicino - ORD Chicago O'Hare Intl

FCOORD

Rome Fiumicino

Thu 10/1

11:00 am-11:21 pm

1 stop19h 21m

Chicago O'Hare Intl

Fri 10/2

9:52 pm-1:15 pm

1 stop32h 23m

$573

RomeChicago

FCO Rome Fiumicino - ORD Chicago O'Hare Intl

FCOORD

Rome Fiumicino

Wed 10/7

3:40 pm-11:00 pm

1 stop38h 20m

Chicago O'Hare Intl

Fri 10/9

10:30 pm-10:00 pm

2 stops16h 30m

$647

RomeChicago

FCO Rome Fiumicino - ORD Chicago O'Hare Intl

FCOORD

Rome Fiumicino

Wed 10/7

10:00 am-1:40 pm

Nonstop10h 40m

Chicago O'Hare Intl

Sun 10/18

10:30 pm-7:20 pm

1 stop13h 50m

$658

RomeChicago

FCO Rome Fiumicino - ORD Chicago O'Hare Intl

FCOORD

Rome Fiumicino

Wed 10/7

10:00 am-1:40 pm

Nonstop10h 40m

Chicago O'Hare Intl

Tue 10/13

10:30 pm-8:05 pm

1 stop14h 35m

$658

Quickest round-trip

RomeChicago

FCO Rome Fiumicino - ORD Chicago O'Hare Intl

FCOORD

Rome Fiumicino

Wed 10/14

9:20 am-1:10 pm

Nonstop10h 50m

Chicago O'Hare Intl

Sun 10/18

3:00 pm-7:25 am

Nonstop9h 25m

$668

RomeChicago

FCO Rome Fiumicino - ORD Chicago O'Hare Intl

FCOORD

Rome Fiumicino

Wed 10/14

9:20 am-1:10 pm

Nonstop10h 50m

Chicago O'Hare Intl

Sun 10/18

3:00 pm-7:25 am

Nonstop9h 25m

$669

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 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 $749. Flights from Rome Fiumicino Airport to Illinois on a Tuesday will generally be more expensive and average around $1,070. 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 $785 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.

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	$515
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 $515. The best round-trip flight deal from Rome Fiumicino Airport to Illinois found on momondo in the last 72 hours is $528.

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 September 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 37.43% of all bookings. The subsequent popular models are Airbus A330-900neo at 14.91%, Boeing 787-9 Dreamliner at 8.28%, and Airbus A330-300 at 7.70%.

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 $609	Free Cancellation	Rating 7.1 12,051 reviews	Search American Airlines flights
United Airlines	PriceFrom $679	Free Cancellation	Rating 7.4 10,214 reviews	Search United Airlines flights
ITA Airways	PriceFrom $699	Free Cancellation	Rating 6.7 1,349 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.