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$370+ Cheap flights from Rome (ROM) 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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
ROM — ORD
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
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Cheap flight deals from Rome to Illinois

Keep the following information in mind while searching for Rome to Illinois flight deals. Data was last updated April 30, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$544
(lol.travel)

One-way from

$370
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$611

Good round-trip deal

$664 or less

Good one-way deal

$678 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 (ROM) to Illinois
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One-way flight from Rome (ROM) to Illinois
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Highest demand for flights based on searches. 6% potential increase in price ($49 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Rome (ROM) to Illinois.
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Price to beat on a one-way flight from Rome (ROM) to Illinois.
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Find flight deals from Rome to Illinois

Cheapest flights from Rome to Illinois
Explore the most affordable flight options available from Rome to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.

This lol.travel deal was found by Cheapflights users on 4/29. 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.
Fri 5/1611:05 amFCO - ORD
Nonstop10h 25mIberia
Sun 6/14:45 pmORD - FCO
Nonstop9h 15mIberia
Deal found 4/29$544
This Cheapflightsfares deal was found by Cheapflights users on 4/28. 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.
Mon 5/197:35 amFCO - ORD
1 stop13h 40mMultiple Airlines
Mon 5/2610:25 pmORD - FCO
1 stop14h 40mMultiple Airlines
Deal found 4/28$549
This American Airlines deal was found by Cheapflights users on 4/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1411:05 amFCO - ORD
Nonstop10h 25mAmerican Airlines
Sun 5/188:30 pmORD - FCO
1 stop13h 30mAmerican Airlines
Deal found 4/28$550
This Expedia deal was found by Cheapflights users on 4/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1111:05 amFCO - ORD
Nonstop10h 25mBritish Airways
Mon 5/2610:25 pmORD - FCO
1 stop14h 40mBritish Airways
Deal found 4/29$552
This lol.travel deal was found by Cheapflights users on 4/29. 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.
Sun 6/89:25 amFCO - ORD
Nonstop10h 45mITA Airways
Mon 6/233:00 pmORD - FCO
Nonstop9h 25mITA Airways
Deal found 4/29$555
This Booking.com deal was found by Cheapflights users on 4/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/228:10 pmFCO - ORD
2 stops27h 00mScandinavian Airlines
Mon 9/17:15 pmORD - FCO
1 stop16h 30mScandinavian Airlines
Deal found 4/28$573
This Delta deal was found by Cheapflights users on 4/28. 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.
Wed 6/186:30 amFCO - ORD
1 stop14h 40mDelta
Wed 7/162:00 pmORD - FCO
2 stops14h 30mDelta
Deal found 4/28$602
This KLM deal was found by Cheapflights users on 4/29. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/96:30 amFCO - ORD
1 stop14h 40mKLM
Sun 5/255:59 pmORD - FCO
1 stop11h 46mKLM
Deal found 4/29$606
This Delta deal was found by Cheapflights users on 4/28. 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.
Sat 5/106:30 amFCO - MDW
2 stops18h 17mDelta
Mon 5/269:20 amMDW - FCO
2 stops17h 00mDelta
Deal found 4/28$611
This Gotogate deal was found by Cheapflights users on 4/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/103:45 pmFCO - ORD
1 stop33h 30mIcelandair
Wed 7/237:25 pmORD - FCO
1 stop12h 10mIcelandair
Deal found 4/28$624
This KLM deal was found by Cheapflights users on 4/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/109:00 amFCO - MDW
1 stop14h 21mKLM
Mon 5/261:08 pmMDW - FCO
1 stop13h 12mKLM
Deal found 4/28$628
This lol.travel deal was found by Cheapflights users on 4/29. 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.
Wed 6/1111:30 amFCO - ORD
1 stop27h 29mAir Canada
Sun 6/1510:40 amORD - FCO
1 stop15h 35mAir Canada
Deal found 4/29$633

Cheapflights Fare Finder

Customize your flight search to find flights from Rome 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 April 30, 2025.
Use the filters below to find and compare flights from Rome to Illinois that are best for you.

Fly from

Rome

Fly to

Illinois

Route

Depart

Return

Price

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Fri 5/16

11:05 am-2:30 pm

Nonstop10h 25m

Chicago O'Hare Intl

Sun 6/1

4:45 pm-9:00 am

Nonstop9h 15m

$544

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Mon 5/19

7:35 am-2:15 pm

1 stop13h 40m

Chicago O'Hare Intl

Mon 5/26

10:25 pm-8:05 pm

1 stop14h 40m

$549

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Wed 5/14

11:05 am-2:30 pm

Nonstop10h 25m

Chicago O'Hare Intl

Sun 5/18

8:30 pm-5:00 pm

1 stop13h 30m

$550

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Sun 5/11

11:05 am-2:30 pm

Nonstop10h 25m

Chicago O'Hare Intl

Mon 5/26

10:25 pm-8:05 pm

1 stop14h 40m

$552

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Sun 6/8

9:25 am-1:10 pm

Nonstop10h 45m

Chicago O'Hare Intl

Mon 6/23

3:00 pm-7:25 am

Nonstop9h 25m

$555

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Fri 8/22

8:10 pm-4:10 pm

2 stops27h 00m

Chicago O'Hare Intl

Mon 9/1

7:15 pm-6:45 pm

1 stop16h 30m

$573

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Tue 6/10

11:05 am-2:30 pm

Nonstop10h 25m

Chicago O'Hare Intl

Wed 9/10

5:10 pm-9:10 am

Nonstop9h 00m

$597

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Wed 6/18

6:30 am-2:10 pm

1 stop14h 40m

Chicago O'Hare Intl

Wed 7/16

2:00 pm-11:30 am

2 stops14h 30m

$602

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Fri 5/9

6:30 am-2:10 pm

1 stop14h 40m

Chicago O'Hare Intl

Sun 5/25

5:59 pm-12:45 pm

1 stop11h 46m

$606

RomeChicago

FCO - MDW

FCOMDW

Rome Fiumicino

Sat 5/10

6:30 am-4:21 pm

2 stops16h 51m

Chicago Midway

Mon 5/26

1:55 pm-12:45 pm

1 stop15h 50m

$611

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 56 results
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Best time to book a flight from Rome to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Rome 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 to Illinois

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

Currently, August is the cheapest month in which you can book a flight from Rome to Illinois (average of $245). Flying from Rome 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 ROM to IL?

Find hourly flight availability from Rome 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 April 30, 2025.

When flying from Rome 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 to Illinois

Explore weekly flight availability from Rome 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 April 30, 2025.

The most flights from ROM to USIL are scheduled on a Monday (10 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (8 on average).

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 April 30, 2025.
See what other customers who have flown with Delta, KLM and Air Transat from Rome to Illinois have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,929 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,929 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air Transat
7.8
Good
385 reviews
Delta
8.0
Very good
7,929 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
LOT
7.6
Good
1,069 reviews
Delta
8.0
Very good
7,929 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very good
7,929 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Rome to Illinois. 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 Rome to Illinois one-way?

    One-way options have recently been found by users for as low as $474 on Icelandair. Other airlines that offer cheap prices include TAP AIR PORTUGAL from $480 and WestJet from $485 one-way.

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

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

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

    Consider Ethiopian Air (79%), Air Canada (77%) or Austrian Airlines (75%) when booking your flight. These represent the most reliable airlines when flying from Rome to Illinois.

  • What are the cheapest flights from Rome to Illinois?

    The cheapest flight price from Rome to Illinois is $542. On average you can expect to pay $1,233. The most popular route, (Rome Fiumicino - Chicago O'Hare Intl), can usually be booked for $468.

  • Can I find deals for flights from Rome to Illinois that include hotel bookings?

    Yes. In addition to deals on Rome to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Rome to Illinois?

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

  • Can I find deals for business class flights from Rome to Illinois?

    Yes. Cheapflights offers flight deals from Rome 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 to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Rome to Illinois (average of $245). Flying from Rome 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.

See more FAQs

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Alternative routes for Rome to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Rome to Illinois

Discover the top 6 airlines that operate flights from Rome 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$536Average$956FlexibilityNo cancel feeOn-time71%
IberiaCheapest$550Average$733FlexibilityNo cancel feeOn-time77%
ITA AirwaysCheapest$550Average$706FlexibilityNo cancel feeOn-time81%
British AirwaysCheapest$599Average$768FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$632Average$783FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$639Average$838FlexibilityNo cancel feeOn-time76%

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