Leonardo da Vinci/Fiumicino

$254+ Cheap flights from Illinois to Fiumicino (FCO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FCO
Jul 6 — Jul 131
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Leonardo da Vinci/Fiumicino with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Illinois to Leonardo da Vinci/Fiumicino

Keep the following information in mind while searching for Illinois to Leonardo da Vinci/Fiumicino flight deals. Data was last updated July 1, 2025.

Round-trip from

$565
(Air Canada)

One-way from

$254
(Mytrip)

Popular in

June

Cheapest in

February

Average price

$936

Good round-trip deal

$768 or less

Good one-way deal

$535 or less
From Illinois to Rome Fiumicino
One-way flight from Illinois to Rome Fiumicino
Highest demand for flights based on searches. 23% potential increase in price ($228 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from Illinois to Rome Fiumicino.
Price to beat on a one-way flight from Illinois to Rome Fiumicino.

Find flight deals from Illinois to Leonardo da Vinci/Fiumicino

Cheapest flights from Illinois to Leonardo da Vinci/Fiumicino
Explore the most affordable flight options available from Illinois to Leonardo da Vinci/Fiumicino. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2025.

This Air Canada deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/109:15 amSTL - FCO
2 stops17h 00mAir Canada
Wed 9/2412:25 pmFCO - STL
2 stops38h 32mAir Canada
Deal found 6/30$565
This KLM deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/182:18 pmSTL - FCO
1 stop12h 02mKLM
Thu 9/119:00 amFCO - STL
1 stop14h 51mKLM
Deal found 7/1$566
This Finnair deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/309:42 amSTL - FCO
2 stops16h 18mMultiple Airlines
Sat 12/66:40 pmFCO - STL
2 stops30h 35mMultiple Airlines
Deal found 7/1$569
This United Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/108:10 amSTL - FCO
2 stops18h 05mUnited Airlines
Wed 9/247:10 amFCO - STL
2 stops15h 34mUnited Airlines
Deal found 6/30$570
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/310:46 amSTL - FCO
2 stops15h 34mDelta
Tue 8/199:00 amFCO - STL
1 stop14h 35mDelta
Deal found 7/1$571
This Iberia deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/164:19 pmSTL - FCO
1 stop33h 51mIberia
Tue 9/97:35 amFCO - STL
2 stops19h 40mIberia
Deal found 7/1$575
This FlightHub deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/303:50 pmSTL - FCO
1 stop18h 50mLufthansa
Sat 12/61:30 pmFCO - STL
1 stop31h 25mLufthansa
Deal found 7/1$590
This British Airways deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:39 pmMLI - FCO
2 stops15h 01mMultiple Airlines
Thu 11/207:35 amFCO - MLI
2 stops20h 51mMultiple Airlines
Deal found 6/30$590
This Ovago deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/135:00 pmSTL - FCO
2 stops15h 55mBritish Airways
Mon 10/206:00 pmFCO - STL
2 stops29h 23mBritish Airways
Deal found 7/1$593
This American Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/157:00 amPIA - FCO
1 stop18h 05mAmerican Airlines
Fri 8/2211:05 amFCO - PIA
1 stop15h 05mAmerican Airlines
Deal found 7/1$626
This Expedia deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/141:07 pmSPI - FCO
1 stop13h 03mBritish Airways
Thu 8/2111:05 amFCO - SPI
1 stop13h 49mBritish Airways
Deal found 6/30$626
This American Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1411:16 amMLI - FCO
1 stop16h 29mAmerican Airlines
Thu 11/207:35 amFCO - MLI
2 stops20h 51mAmerican Airlines
Deal found 7/1$634

Cheapflights Fare Finder

Customize your flight search to find flights from Illinois to Leonardo da Vinci/Fiumicino that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 1, 2025.
Use the filters below to find and compare flights from Illinois to Rome Fiumicino Airport that are best for you.

Fly from

Illinois

Fly to

Leonardo da Vinci/Fiumicino

Route

Depart

Return

Price

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Wed 9/10

9:15 am-9:15 am

2 stops17h 00m

Rome Fiumicino

Wed 9/24

12:25 pm-7:57 pm

2 stops38h 32m

$565

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Mon 8/18

2:18 pm-9:20 am

1 stop12h 02m

Rome Fiumicino

Thu 9/11

9:00 am-4:51 pm

1 stop14h 51m

$566

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Wed 9/10

8:10 am-9:15 am

2 stops18h 05m

Rome Fiumicino

Wed 9/24

7:10 am-3:44 pm

2 stops15h 34m

$570

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Sun 8/3

10:46 am-9:20 am

2 stops15h 34m

Rome Fiumicino

Tue 8/19

9:00 am-4:35 pm

1 stop14h 35m

$571

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Sat 8/16

4:19 pm-9:10 am

1 stop33h 51m

Rome Fiumicino

Tue 9/9

7:35 am-8:15 pm

2 stops19h 40m

$575

MolineRome

MLI - FCO

MLIFCO

Moline Quad-City

Fri 11/14

6:39 pm-4:40 pm

2 stops15h 01m

Rome Fiumicino

Thu 11/20

7:35 am-9:26 pm

2 stops20h 51m

$590

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Wed 8/27

5:52 pm-7:15 pm

2 stops18h 23m

Rome Fiumicino

Wed 9/3

11:05 am-8:32 pm

1 stop16h 27m

$594

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Wed 9/10

9:15 am-10:20 pm

3 stops30h 05m

Rome Fiumicino

Wed 9/24

10:55 pm-7:57 pm

2 stops28h 02m

$609

PeoriaRome

PIA - FCO

PIAFCO

Greater Peoria

Fri 8/15

7:00 am-8:05 am

1 stop18h 05m

Rome Fiumicino

Fri 8/22

11:05 am-7:10 pm

1 stop15h 05m

$626

SpringfieldRome

SPI - FCO

SPIFCO

Springfield Capital

Thu 8/14

1:07 pm-9:10 am

1 stop13h 03m

Rome Fiumicino

Thu 8/21

11:05 am-5:54 pm

1 stop13h 49m

$626

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 47 results
1
2
3
...
5

Best time to book a flight from Illinois to Leonardo da Vinci/Fiumicino

Have a flexible travel schedule? Discover the best time to fly to Leonardo da Vinci/Fiumicino from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Rome Fiumicino Airport

What is the cheapest month to book a flight from Illinois to Rome Fiumicino Airport?

Currently, January is the cheapest month in which you can book a flight from Illinois to Rome Fiumicino Airport (average of $644). Flying from Illinois to Rome Fiumicino Airport in June is currently the most expensive (average of $1,141). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IL to FCO?

Find hourly flight availability from Illinois to Leonardo da Vinci/Fiumicino. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Rome Fiumicino Airport as you normally would.

Weekly flight availability from Illinois to Rome Fiumicino Airport

Explore weekly flight availability from Illinois to Leonardo da Vinci/Fiumicino. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 1, 2025.

The most flights from USIL to FCO are scheduled on a Monday (14 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (11 on average).

Reviews of airlines servicing Leonardo da Vinci/Fiumicino

Get insights into the airlines that provide service to Leonardo da Vinci/Fiumicino. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Leonardo da Vinci/Fiumicino. Reviews last updated July 1, 2025.
See what other customers who have flown with Delta, Porter Airlines, and KLM from Illinois to Rome Fiumicino Airport have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Illinois to Leonardo da Vinci/Fiumicino. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines to fly from Illinois to Rome Fiumicino Airport one-way?

    The cheapest airlines for a one-way flight from Illinois to Rome Fiumicino Airport are TAP AIR PORTUGAL ($302), Icelandair ($305), and Turkish Airlines ($320).

  • What are the most popular routes from Illinois to Rome Fiumicino Airport?

  • What are the most reliable airlines from Illinois to Rome Fiumicino Airport?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Illinois to Rome Fiumicino Airport on time: Air Canada (83%), Austrian Airlines (83%), United Airlines (83%).

  • What are the cheapest flights from Illinois to Rome Fiumicino Airport?

    While on average a flight from Illinois to Rome Fiumicino Airport is generally $1,801, our data shows the cheapest flight currently is $443. When looking at the most popular route, (Chicago O'Hare Intl - Rome Fiumicino), you can expect to pay $362 for that flight.

  • Can I find deals for flights from Illinois to Leonardo da Vinci/Fiumicino that include hotel bookings?

    Yes. In addition to deals on Illinois to Leonardo da Vinci/Fiumicino flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Leonardo da Vinci/Fiumicino?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Leonardo da Vinci/Fiumicino.

  • Can I find deals for business class flights from Illinois to Leonardo da Vinci/Fiumicino?

    Yes. Cheapflights offers flight deals from Illinois to Leonardo da Vinci/Fiumicino by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Rome Fiumicino Airport?

    Currently, January is the cheapest month in which you can book a flight from Illinois to Rome Fiumicino Airport (average of $644). Flying from Illinois to Rome Fiumicino Airport in June is currently the most expensive (average of $1,141). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Illinois?

Book flights to Illinois if you plan to visit one of these locations
Fiumicino
Gaeta
Ciampino
Montepulciano
Santa Marinella

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Leonardo da Vinci/Fiumicino

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Illinois to Leonardo da Vinci/Fiumicino

Discover the top 10 airlines that operate flights from Illinois to Leonardo da Vinci/Fiumicino. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$365Average$552FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$377Average$492FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$394Average$776FlexibilityNo cancel feeOn-time79%
Scandinavian AirlinesCheapest$432Average$507FlexibilityNo cancel feeOn-time77%
KLMCheapest$455Average$660FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$458Average$764FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$500Average$723FlexibilityNo cancel feeOn-time67%
Aer LingusCheapest$506Average$701FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$507Average$862FlexibilityNo cancel feeOn-time76%
IberiaCheapest$526Average$897FlexibilityNo cancel feeOn-time77%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.