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

British Airways, Finnair, and Air Serbia are the most popular carriers operating from Rome Fiumicino to Illinois

What airlines fly to Illinois?

United Airlines, American Airlines and British 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 53% 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?

75 flights are operational weekly from Rome Fiumicino Airport to Illinois as of April 2026. The most popular departure day for this route is Mon, with 15% 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 April 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.

$379 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 April 2026, there are 10 flights per day flying from Rome Fiumicino Airport to Illinois. The most common time of day flights depart is 9:00AM, with 100% 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

Enter your travel dates to find the best prices.

3:40 pm - 12:20 pm

FCO

ORD

27h 40m

1 stop

7:05 pm - 7:20 pm

ORD

FCO

17h 15m

1 stop

$625British Airways

Sat, May 2 - Thu, May 14

8:20 pm - 1:50 pm

FCO

ORD

24h 30m

1 stop

9:15 pm - 7:20 pm

ORD

FCO

15h 05m

1 stop

$628British Airways

Thu, May 14 - Thu, May 21

12:15 pm - 12:38 pm

FCO

ORD

31h 23m

1 stop

4:55 pm - 9:10 am

ORD

FCO

9h 15mnonstop

$629British Airways

Mon, Apr 27 - Mon, May 11

9:20 am - 1:10 pm

FCO

ORD

10h 50mnonstop

3:00 pm - 7:25 am

ORD

FCO

9h 25mnonstop

$636ITA Airways

Thu, May 21 - Thu, Aug 6

10:00 am - 1:30 pm

FCO

ORD

10h 30mnonstop

4:29 pm - 9:50 am

ORD

FCO

34h 21m

1 stop

$637British Airways

Thu, May 14 - Sun, May 24

10:30 am - 5:50 pm

FCO

ORD

14h 20m

1 stop

10:35 pm - 7:20 pm

ORD

FCO

13h 45m

1 stop

$638Multiple Airlines

Fri, Sep 18 - Fri, Oct 2

10:30 am - 5:50 pm

FCO

ORD

14h 20m

1 stop

10:35 pm - 7:20 pm

ORD

FCO

13h 45m

1 stop

$639Multiple Airlines

Fri, Sep 18 - Fri, Oct 2

7:35 am - 2:25 pm

FCO

ORD

13h 50m

1 stop

8:35 pm - 4:25 pm

ORD

FCO

12h 50m

1 stop

$642American Airlines

Mon, Apr 27 - Tue, May 5

6:50 am - 1:25 pm

FCO

STL

13h 35m

1 stop

2:15 pm - 10:20 am

STL

FCO

13h 05m

1 stop

$958United Airlines

Fri, May 29 - Fri, Jun 5

6:50 am - 3:46 pm

FCO

STL

15h 56m

2 stops

2:15 pm - 10:20 am

STL

FCO

13h 05m

1 stop

$968United Airlines

Fri, May 29 - Fri, Jun 5

Iberia flights from Rome Fiumicino Airport to Illinois

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

Iberia

Apr 27

FCO7:35 amRome Fiumicino

13h 50m

1 stop

ORD2:25 pmChicago O'Hare Intl

May 5

ORD4:55 pmChicago O'Hare Intl

9h 15m

FCO9:10 amRome Fiumicino

$652

Iberia

Apr 27

FCO7:35 amRome Fiumicino

13h 50m

1 stop

ORD2:25 pmChicago O'Hare Intl

May 5

ORD4:55 pmChicago O'Hare Intl

9h 15m

FCO9:10 amRome Fiumicino

$653

Iberia

Apr 19

FCO12:15 pmRome Fiumicino

16h 20m

1 stop

ORD9:35 pmChicago O'Hare Intl

May 3

ORD11:54 amChicago O'Hare Intl

15h 26m

1 stop

FCO10:20 amRome Fiumicino

$658

British Airways flights from Rome Fiumicino Airport to Illinois

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

British Airways

May 2

FCO3:40 pmRome Fiumicino

27h 40m

1 stop

ORD12:20 pmChicago O'Hare Intl

May 14

ORD7:05 pmChicago O'Hare Intl

17h 15m

1 stop

FCO7:20 pmRome Fiumicino

$625

British Airways

Apr 23

FCO12:15 pmRome Fiumicino

36h 14m

1 stop

ORD5:29 pmChicago O'Hare Intl

May 6

ORD5:00 pmChicago O'Hare Intl

15h 45m

1 stop

FCO3:45 pmRome Fiumicino

$626

British Airways

Apr 23

FCO10:00 amRome Fiumicino

10h 30m

ORD1:30 pmChicago O'Hare Intl

May 6

ORD4:55 pmChicago O'Hare Intl

9h 15m

FCO9:10 amRome Fiumicino

$627

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 5/2

3:40 pm-12:20 pm

1 stop27h 40m

Chicago O'Hare Intl

Thu 5/14

7:05 pm-7:20 pm

1 stop17h 15m

$625

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Thu 5/14

8:20 pm-1:50 pm

1 stop24h 30m

Chicago O'Hare Intl

Thu 5/21

9:15 pm-7:20 pm

1 stop15h 05m

$628

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Mon 4/27

12:15 pm-12:38 pm

1 stop31h 23m

Chicago O'Hare Intl

Mon 5/11

4:55 pm-9:10 am

Nonstop9h 15m

$629

Quickest round-trip

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Thu 5/21

9:20 am-1:10 pm

Nonstop10h 50m

Chicago O'Hare Intl

Thu 8/6

3:00 pm-7:25 am

Nonstop9h 25m

$636

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Thu 5/14

10:00 am-1:30 pm

Nonstop10h 30m

Chicago O'Hare Intl

Sun 5/24

4:29 pm-9:50 am

1 stop34h 21m

$637

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Fri 9/18

10:30 am-5:50 pm

1 stop14h 20m

Chicago O'Hare Intl

Fri 10/2

10:35 pm-7:20 pm

1 stop13h 45m

$638

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Fri 9/18

10:30 am-5:50 pm

1 stop14h 20m

Chicago O'Hare Intl

Fri 10/2

10:35 pm-7:20 pm

1 stop13h 45m

$639

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Mon 4/27

7:35 am-2:25 pm

1 stop13h 50m

Chicago O'Hare Intl

Tue 5/5

8:35 pm-4:25 pm

1 stop12h 50m

$642

RomeSt. Louis

FCO - STL

FCOSTL

Rome Fiumicino

Fri 5/29

6:50 am-1:25 pm

1 stop13h 35m

Lambert-St Louis

Fri 6/5

2:15 pm-10:20 am

1 stop13h 05m

$958

RomeSt. Louis

FCO - STL

FCOSTL

Rome Fiumicino

Fri 5/29

6:50 am-3:46 pm

2 stops15h 56m

Lambert-St Louis

Fri 6/5

2:15 pm-10:20 am

1 stop13h 05m

$968

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 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 $965. 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 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 $777 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 to Illinois flights?

There are 3 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	$634
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 $634. The best round-trip flight deal from Rome Fiumicino Airport to Illinois found on momondo in the last 72 hours is $748.

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 April 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 787-9 Dreamliner, representing 34.62% of all bookings. The subsequent popular models are Boeing 787 Dreamliner at 26.12%, Boeing 787-10 Dreamliner at 15.46%, and Airbus A330-900neo at 9.65%.

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 $537	Free Cancellation	Rating 7.1 11,599 reviews	Search American Airlines flights
British Airways	PriceFrom $571	Free Cancellation	Rating 6.7 7,892 reviews	Search British Airways flights
United Airlines	PriceFrom $663	Free Cancellation	Rating 7.4 9,604 reviews	Search United Airlines 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.