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$405+ Cheap flights from Fiumicino (FCO) to Illinois

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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
FCO — ORD
Oct 29 — Nov 51
Wed 10/29
Wed 11/5
1 adult, Economy
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Cheap flight deals from Leonardo da Vinci/Fiumicino to Illinois

Keep the following information in mind while searching for Leonardo da Vinci/Fiumicino to Illinois flight deals. Data was last updated September 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$555
(Booking.com)

One-way from

$405
(Mytrip)

Popular in

August

Cheapest in

February

Average price

$647

Good round-trip deal

$679 or less

Good one-way deal

$590 or less
Provider with most accurate pricing for Rome (ROM)-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Rome (ROM)-Chicago (CHI) flights.
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From Rome Fiumicino to Illinois
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One-way flight from Rome Fiumicino to Illinois
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Highest demand for flights based on searches. 6% potential increase in price ($46 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Rome Fiumicino to Illinois.
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Price to beat on a one-way flight from Rome Fiumicino to Illinois.
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Find flight deals from Leonardo da Vinci/Fiumicino to Illinois

Cheapest flights from Leonardo da Vinci/Fiumicino to Illinois
Explore the most affordable flight options available from Leonardo da Vinci/Fiumicino to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 29, 2025.

This lol.travel deal was found by Cheapflights users on 9/29. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/139:45 amFCO - ORD
Nonstop10h 30mUnited Airlines
Mon 10/274:45 pmORD - FCO
Nonstop9h 00mUnited Airlines
Deal found 9/29$555
This Icelandair deal was found by Cheapflights users on 9/28. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/611:25 amFCO - ORD
1 stop12h 55mIcelandair
Thu 11/206:30 pmORD - FCO
1 stop12h 30mIcelandair
Deal found 9/28$557
This Booking.com deal was found by Cheapflights users on 9/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/119:35 amFCO - ORD
2 stops17h 25mAir Canada
Tue 11/1810:00 amORD - FCO
2 stops20h 25mAir Canada
Deal found 9/26$558
This lol.travel deal was found by Cheapflights users on 9/28. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/139:45 amFCO - ORD
Nonstop10h 30mUnited Airlines
Sun 10/264:45 pmORD - FCO
Nonstop9h 00mUnited Airlines
Deal found 9/28$561
This Booking.com deal was found by Cheapflights users on 9/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/118:25 pmFCO - ORD
1 stop26h 00mMultiple Airlines
Tue 11/186:30 pmORD - FCO
1 stop13h 25mMultiple Airlines
Deal found 9/26$562
This lol.travel deal was found by Cheapflights users on 9/27. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/209:40 amFCO - ORD
2 stops16h 50mAir Canada
Thu 11/271:19 pmORD - FCO
1 stop14h 36mAir Canada
Deal found 9/27$564
This United Airlines deal was found by Cheapflights users on 9/28. 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.
Fri 10/1010:20 amFCO - ORD
1 stop28h 19mUnited Airlines
Sat 10/116:32 pmORD - FCO
1 stop35h 48mUnited Airlines
Deal found 9/28$565
This Flighttix deal was found by Cheapflights users on 9/28. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/127:05 amFCO - ORD
2 stops17h 43mAir Canada
Wed 11/198:00 amORD - FCO
2 stops17h 55mAir Canada
Deal found 9/28$566
This lol.travel deal was found by Cheapflights users on 9/28. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/277:05 amFCO - ORD
2 stops17h 43mAir Canada
Thu 12/113:55 pmORD - FCO
2 stops15h 05mAir Canada
Deal found 9/28$567
This Cheapflightsfares deal was found by Cheapflights users on 9/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/711:35 amFCO - ORD
1 stop18h 19mMultiple Airlines
Sun 12/148:35 pmORD - FCO
1 stop13h 20mMultiple Airlines
Deal found 9/28$569
This British Airways deal was found by Cheapflights users on 9/28. 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 12/511:00 amFCO - ORD
1 stop16h 34mBritish Airways
Tue 12/99:45 pmORD - FCO
1 stop17h 10mBritish Airways
Deal found 9/28$570
This Delta deal was found by Cheapflights users on 9/28. 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.
Fri 11/76:10 amFCO - MDW
2 stops18h 33mDelta
Tue 11/111:47 pmMDW - FCO
2 stops14h 58mDelta
Deal found 9/28$572

Cheapflights Fare Finder

 
Customize your flight search to find flights from Leonardo da Vinci/Fiumicino to Illinois 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 September 29, 2025.
Use the filters below to find and compare flights from Rome Fiumicino Airport to Illinois that are best for you.

Fly from

Leonardo da Vinci/Fiumicino

Fly to

Illinois

Route

Depart

Return

Price

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Tue 11/25

8:30 pm-3:00 pm

2 stops25h 30m

Chicago O'Hare Intl

Sun 11/30

8:25 pm-11:30 pm

2 stops20h 05m

$558

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Tue 11/11

8:25 pm-3:25 pm

1 stop26h 00m

Chicago O'Hare Intl

Tue 11/18

6:30 pm-2:55 pm

1 stop13h 25m

$562

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Thu 11/20

9:40 am-7:30 pm

2 stops16h 50m

Chicago O'Hare Intl

Thu 11/27

1:19 pm-10:55 am

1 stop14h 36m

$564

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Fri 12/5

11:00 am-8:34 pm

1 stop16h 34m

Chicago O'Hare Intl

Tue 12/9

1:45 pm-2:55 pm

2 stops18h 10m

$570

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Mon 11/10

1:30 pm-8:05 pm

1 stop13h 35m

Chicago O'Hare Intl

Mon 11/17

12:45 pm-10:55 am

2 stops15h 10m

$571

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Thu 11/20

1:10 pm-3:37 pm

1 stop33h 27m

Chicago O'Hare Intl

Mon 1/19

9:45 pm-11:25 am

1 stop30h 40m

$571

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Fri 12/5

1:35 pm-8:05 pm

1 stop13h 30m

Chicago O'Hare Intl

Tue 12/9

3:45 pm-7:45 am

Nonstop9h 00m

$571

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Thu 12/4

7:05 am-1:10 pm

1 stop13h 05m

Chicago O'Hare Intl

Thu 12/11

3:45 pm-7:45 am

Nonstop9h 00m

$571

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Fri 12/5

1:35 pm-8:05 pm

1 stop13h 30m

Chicago O'Hare Intl

Thu 12/11

3:45 pm-7:45 am

Nonstop9h 00m

$571

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Mon 11/24

7:05 am-3:20 pm

1 stop15h 15m

Chicago O'Hare Intl

Sun 1/18

8:52 am-8:30 am

1 stop16h 38m

$571

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/27

Showing 1-10 of 51 results
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Best time to book a flight from Leonardo da Vinci/Fiumicino to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Leonardo da Vinci/Fiumicino 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 Rome Fiumicino Airport to Illinois

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

Currently, August is the cheapest month in which you can book a flight from Rome Fiumicino Airport to Illinois (average of $245). Flying from Rome Fiumicino Airport to Illinois in March is currently the most expensive (average of $321). 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 FCO to IL?

Find hourly flight availability from Leonardo da Vinci/Fiumicino to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 29, 2025.

When flying from Rome Fiumicino Airport to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Rome Fiumicino Airport to Illinois

Explore weekly flight availability from Leonardo da Vinci/Fiumicino to Illinois. 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 September 29, 2025.

The most flights from FCO to USIL 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 (10 on average).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated September 29, 2025.
Read through reviews of airlines operating flights from Rome Fiumicino Airport to Illinois, such as United Airlines, American Airlines, and Iberia. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,924 reviews

Entertainment

7.1

Overall

7.4

Food

6.6

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Tim,Sep 2025

IAD - GSP

This was pretty bad. It’s chaos at the Dulles boarding gates for the small regional jets because they use one gate to board 3-4 flights at a time. So, it’s difficult knowing where and when to go. There is little space for any size of carrry-on, so most had to gate check their bags. However, the worst of it was that our single flight attendant fell asleep before we took off and the pilot couldn’t do so until she responded to his messages. My wife had to wake her up! So we were a little late leaving. Not to be thwarted, the flight attendant fell asleep right after take off and there was no sight of her during the flight. When the aircraft touched down, a tray of unsecured canned drinks came crashing onto the aisle up front. I can only assume someone didn’t do what they were supposed to. The pilot was great, but I’m sure he must not be happy with this crew member.
United Airlines
7.4
Good
8,924 reviews
United Airlines
7.4
Good
8,924 reviews

Entertainment

7.1

Overall

7.4

Food

6.6

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Tim,Sep 2025

IAD - GSP

This was pretty bad. It’s chaos at the Dulles boarding gates for the small regional jets because they use one gate to board 3-4 flights at a time. So, it’s difficult knowing where and when to go. There is little space for any size of carrry-on, so most had to gate check their bags. However, the worst of it was that our single flight attendant fell asleep before we took off and the pilot couldn’t do so until she responded to his messages. My wife had to wake her up! So we were a little late leaving. Not to be thwarted, the flight attendant fell asleep right after take off and there was no sight of her during the flight. When the aircraft touched down, a tray of unsecured canned drinks came crashing onto the aisle up front. I can only assume someone didn’t do what they were supposed to. The pilot was great, but I’m sure he must not be happy with this crew member.
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,924 reviews

Entertainment

7.1

Overall

7.4

Food

6.6

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Tim,Sep 2025

IAD - GSP

This was pretty bad. It’s chaos at the Dulles boarding gates for the small regional jets because they use one gate to board 3-4 flights at a time. So, it’s difficult knowing where and when to go. There is little space for any size of carrry-on, so most had to gate check their bags. However, the worst of it was that our single flight attendant fell asleep before we took off and the pilot couldn’t do so until she responded to his messages. My wife had to wake her up! So we were a little late leaving. Not to be thwarted, the flight attendant fell asleep right after take off and there was no sight of her during the flight. When the aircraft touched down, a tray of unsecured canned drinks came crashing onto the aisle up front. I can only assume someone didn’t do what they were supposed to. The pilot was great, but I’m sure he must not be happy with this crew member.
Iberia
7.0
Good
2,959 reviews
United Airlines
7.4
Good
8,924 reviews

Entertainment

7.1

Overall

7.4

Food

6.6

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Tim,Sep 2025

IAD - GSP

This was pretty bad. It’s chaos at the Dulles boarding gates for the small regional jets because they use one gate to board 3-4 flights at a time. So, it’s difficult knowing where and when to go. There is little space for any size of carrry-on, so most had to gate check their bags. However, the worst of it was that our single flight attendant fell asleep before we took off and the pilot couldn’t do so until she responded to his messages. My wife had to wake her up! So we were a little late leaving. Not to be thwarted, the flight attendant fell asleep right after take off and there was no sight of her during the flight. When the aircraft touched down, a tray of unsecured canned drinks came crashing onto the aisle up front. I can only assume someone didn’t do what they were supposed to. The pilot was great, but I’m sure he must not be happy with this crew member.
ITA Airways
6.7
Okay
1,051 reviews
United Airlines
7.4
Good
8,924 reviews

Entertainment

7.1

Overall

7.4

Food

6.6

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Tim,Sep 2025

IAD - GSP

This was pretty bad. It’s chaos at the Dulles boarding gates for the small regional jets because they use one gate to board 3-4 flights at a time. So, it’s difficult knowing where and when to go. There is little space for any size of carrry-on, so most had to gate check their bags. However, the worst of it was that our single flight attendant fell asleep before we took off and the pilot couldn’t do so until she responded to his messages. My wife had to wake her up! So we were a little late leaving. Not to be thwarted, the flight attendant fell asleep right after take off and there was no sight of her during the flight. When the aircraft touched down, a tray of unsecured canned drinks came crashing onto the aisle up front. I can only assume someone didn’t do what they were supposed to. The pilot was great, but I’m sure he must not be happy with this crew member.
British Airways
6.7
Okay
7,406 reviews
United Airlines
7.4
Good
8,924 reviews

Entertainment

7.1

Overall

7.4

Food

6.6

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Tim,Sep 2025

IAD - GSP

This was pretty bad. It’s chaos at the Dulles boarding gates for the small regional jets because they use one gate to board 3-4 flights at a time. So, it’s difficult knowing where and when to go. There is little space for any size of carrry-on, so most had to gate check their bags. However, the worst of it was that our single flight attendant fell asleep before we took off and the pilot couldn’t do so until she responded to his messages. My wife had to wake her up! So we were a little late leaving. Not to be thwarted, the flight attendant fell asleep right after take off and there was no sight of her during the flight. When the aircraft touched down, a tray of unsecured canned drinks came crashing onto the aisle up front. I can only assume someone didn’t do what they were supposed to. The pilot was great, but I’m sure he must not be happy with this crew member.

Related info for your journey

Find useful and relevant information for your journey from Leonardo da Vinci/Fiumicino to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Rome Fiumicino Airport to Illinois?

    Air Canada, British Airways, and United Airlines can get you from Rome Fiumicino Airport to Illinois in just under 13h 35m. Your travel time can differ by up to 3h 15m. The distance between Rome Fiumicino Airport and Illinois is about 4808 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Rome Fiumicino Airport to Illinois one-way?

    $451 is the cheapest one-way deal found within the past few days, from TAP AIR PORTUGAL. You may also be able to find cheap deals on British Airways and Lufthansa, with prices starting from $478 and $705, respectively.

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

    Most travelers choose Rome Fiumicino - Chicago O'Hare Intl, Rome Fiumicino - Chicago Midway or Rome Fiumicino - Moline Quad-City when deciding on the best route from Rome Fiumicino Airport to Illinois.

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

    Consider Ethiopian Air (76%), Air Canada (57%) or Austrian Airlines (57%) when booking your flight. These represent the most reliable airlines when flying from Rome Fiumicino Airport to Illinois.

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

    The cheapest flight price from Rome Fiumicino Airport to Illinois is $585. On average you can expect to pay $760. The most popular route, (Rome Fiumicino - Chicago O'Hare Intl), can usually be booked for $435.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Leonardo da Vinci/Fiumicino to Illinois 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 Rome Fiumicino Airport to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Rome Fiumicino Airport to Illinois (average of $245). Flying from Rome Fiumicino Airport to Illinois in March is currently the most expensive (average of $321). 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.

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Alternative routes for Leonardo da Vinci/Fiumicino to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Leonardo da Vinci/Fiumicino to Illinois

Discover the top 5 airlines that operate flights from Leonardo da Vinci/Fiumicino to Illinois. 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 September 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$536Average$711FlexibilityNo cancel feeOn-time71%
IberiaCheapest$550Average$797FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$571Average$758FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$585Average$769FlexibilityNo cancel feeOn-time69%
ITA AirwaysCheapest$658Average$715FlexibilityNo cancel feeOn-time81%

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