HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Rome

$270+ Cheap flights from Illinois to Rome (ROM)

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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ROM
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Rome 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 Rome

Cheapest flights from Illinois to Rome
Explore the most affordable flight options available from Illinois to Rome. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This CrystalTravel deal was found by Cheapflights users on 12/17. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:30 pmORD - FCO
1 stop12h 30mIcelandair
Thu 1/2211:25 amFCO - ORD
1 stop12h 55mIcelandair
Deal found 12/17$443
This CrystalTravel deal was found by Cheapflights users on 12/17. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:50 pmORD - FCO
1 stop13h 25mLufthansa
Thu 1/2212:20 pmFCO - ORD
1 stop13h 05mLufthansa
Deal found 12/17$503
This Mytrip deal was found by Cheapflights users on 12/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:05 amORD - FCO
1 stop19h 15mMultiple Airlines
Thu 1/227:05 amFCO - ORD
2 stops15h 05mMultiple Airlines
Deal found 12/17$510
This Cheapflightsfares deal was found by Cheapflights users on 12/17. 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.
Wed 12/315:50 pmORD - FCO
2 stops18h 35mSWISS
Thu 1/228:15 pmFCO - ORD
2 stops22h 55mSWISS
Deal found 12/17$535
This KLM deal was found by Cheapflights users on 12/17. 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.
Wed 12/319:50 amMDW - FCO
1 stop15h 05mKLM
Thu 1/2212:40 pmFCO - MDW
1 stop16h 42mKLM
Deal found 12/17$537
This Delta deal was found by Cheapflights users on 12/17. 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 12/313:29 pmMDW - FCO
1 stop12h 01mDelta
Thu 1/226:10 amFCO - MDW
2 stops18h 19mDelta
Deal found 12/17$538
This KAYAK deal was found by Cheapflights users on 12/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/284:10 pmORD - FCO
1 stop33h 30mSWISS
Thu 1/88:15 pmFCO - ORD
2 stops24h 55mSWISS
Deal found 12/16$552
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:50 pmORD - FCO
1 stop17h 35mSWISS
Thu 1/88:15 pmFCO - ORD
2 stops48h 55mSWISS
Deal found 12/17$573
This Cheapflightsfares deal was found by Cheapflights users on 12/17. 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.
Tue 12/306:35 pmORD - FCO
2 stops31h 05mSWISS
Fri 1/98:15 pmFCO - ORD
2 stops27h 45mSWISS
Deal found 12/17$598
This KAYAK deal was found by Cheapflights users on 12/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/284:10 pmORD - FCO
1 stop33h 30mSWISS
Sat 1/102:50 pmFCO - ORD
2 stops30h 20mSWISS
Deal found 12/16$602
This Cheapflightsfares deal was found by Cheapflights users on 12/16. 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.
Tue 12/306:35 pmSTL - FCO
2 stops16h 40mLufthansa
Wed 1/147:05 amFCO - STL
2 stops23h 54mLufthansa
Deal found 12/16$667
This Mytrip deal was found by Cheapflights users on 12/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:30 pmORD - CIA
2 stops17h 20mMultiple Airlines
Tue 1/133:30 pmCIA - ORD
3 stops30h 30mMultiple Airlines
Deal found 12/14$670

Find flight deals from Illinois to Rome

Keep the following information in mind while searching for Illinois to Rome flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$407
(Trip.com)

One-way from

$270
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$663

Good round-trip deal

$753 or less

Good one-way deal

$499 or less
Provider with most accurate pricing for Chicago (CHI)-Rome (ROM) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Rome (ROM) flights.
Search Deals
From Illinois to Rome (ROM)
Search Deals
One-way flight from Illinois to Rome (ROM)
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($234 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Illinois to Rome (ROM).
Search Deals
Price to beat on a one-way flight from Illinois to Rome (ROM).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Rome 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 December 18, 2025.
Use the filters below to find and compare flights from Illinois to Rome that are best for you.

Fly from

Illinois

Fly to

Rome

Route

Depart

Return

Price

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Sun 3/1

6:55 pm-7:45 am

1 stop29h 50m

Rome Fiumicino

Mon 3/9

10:15 am-3:29 pm

1 stop35h 14m

$486

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Sat 1/31

11:22 am-7:55 am

1 stop13h 33m

Rome Fiumicino

Sat 2/7

11:15 am-2:30 pm

2 stops34h 15m

$487

ChicagoRome

ORD - FCO

ORDFCO

Chicago O'Hare Intl

Sun 4/26

6:00 pm-4:40 pm

1 stop15h 40m

Rome Fiumicino

Fri 5/8

8:00 pm-4:15 pm

1 stop27h 15m

$488

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Sun 3/1

6:55 pm-11:00 pm

2 stops21h 05m

Rome Fiumicino

Mon 3/9

7:05 am-11:51 pm

2 stops22h 46m

$491

MolineRome

MLI - FCO

MLIFCO

Moline Quad-City

Sat 1/31

6:30 am-7:55 am

2 stops18h 25m

Rome Fiumicino

Sat 2/7

11:15 am-4:54 pm

2 stops36h 39m

$492

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Sat 1/17

8:30 am-8:30 am

1 stop17h 00m

Rome Fiumicino

Fri 1/30

7:05 am-1:55 pm

1 stop13h 50m

$495

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Sun 2/22

9:55 am-7:45 am

1 stop14h 50m

Rome Fiumicino

Sun 3/1

7:05 am-1:55 pm

1 stop13h 50m

$495

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Tue 3/3

4:05 pm-10:55 am

1 stop11h 50m

Rome Fiumicino

Mon 3/9

10:15 am-3:29 pm

1 stop35h 14m

$506

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Sat 2/28

1:33 pm-9:00 am

1 stop12h 27m

Rome Fiumicino

Sun 3/8

1:10 pm-11:04 pm

1 stop15h 54m

$507

MolineRome

MLI - FCO

MLIFCO

Moline Quad-City

Sat 1/31

5:51 am-10:30 am

1 stop21h 39m

Rome Fiumicino

Sat 2/7

12:40 pm-10:33 pm

1 stop16h 53m

$507

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Illinois to Rome

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

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

Currently, December is the cheapest month in which you can book a flight from Illinois to Rome (average of $348). Flying from Illinois to Rome in June is currently the most expensive (average of $708). 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 ROM?

Find hourly flight availability from Illinois to Rome. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 40% on flights from Illinois to Rome by exploring options for tickets in the evening.

What is the cheapest day to fly from Illinois to Rome?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Rome. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Illinois to Rome flight should consider departing on Sunday evenings when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

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

    There are many flights that can get you from Illinois to Rome in 15h 40m. Fly via United Airlines, TAP AIR PORTUGAL, or Lufthansa to get the fastest option. The distance from Illinois to Rome is about 4808 mi. This flight may include one or multiple stops.

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

    The cheapest airline one-way is TAP AIR PORTUGAL, with whom users have recently found tickets for as low as $174. However, be on the lookout for offers from Icelandair and ITA Airways, as they are both options that can get you from Illinois to Rome for a low price.

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

    When deciding which route to take from Illinois to Rome consider Chicago O'Hare Intl - Rome Fiumicino, Chicago Midway - Rome Fiumicino or Lambert-St Louis - Rome Fiumicino as they are the most popular.

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

    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 on time: American Airlines (78%), Alaska Airlines (78%), Finnair (78%).

  • What are the cheapest flights from Illinois to Rome?

    The cheapest flight price from Illinois to Rome is $396. On average you can expect to pay $1,360. The most popular route, (Chicago O'Hare Intl - Rome Fiumicino), can usually be booked for $407.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois to Rome 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?

    Currently, December is the cheapest month in which you can book a flight from Illinois to Rome (average of $348). Flying from Illinois to Rome in June is currently the most expensive (average of $708). 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 Rome?

Book flights to Rome if you plan to visit one of these locations
Fiumicino
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 Rome

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Leonardo da Vinci/Fiumicino flights
Newark to Leonardo da Vinci/Fiumicino flights
O'Hare Intl to Leonardo da Vinci/Fiumicino flights
Dallas/Fort Worth to Leonardo da Vinci/Fiumicino flights
Boston to Leonardo da Vinci/Fiumicino flights
LaGuardia to Leonardo da Vinci/Fiumicino flights
Dulles Intl to Leonardo da Vinci/Fiumicino flights
Miami to Leonardo da Vinci/Fiumicino flights
Los Angeles to Leonardo da Vinci/Fiumicino flights
San Francisco to Leonardo da Vinci/Fiumicino flights
Atlanta to Leonardo da Vinci/Fiumicino flights
Seattle to Leonardo da Vinci/Fiumicino flights
Reagan-National to Leonardo da Vinci/Fiumicino flights
Baltimore to Leonardo da Vinci/Fiumicino flights
Hobby to Leonardo da Vinci/Fiumicino flights
Denver to Leonardo da Vinci/Fiumicino flights
Philadelphia to Leonardo da Vinci/Fiumicino flights
Midway to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to Ciampino flights
Detroit to Leonardo da Vinci/Fiumicino flights
Love Field to Leonardo da Vinci/Fiumicino flights
Charlotte to Leonardo da Vinci/Fiumicino flights
Minneapolis to Leonardo da Vinci/Fiumicino flights
Orlando to Leonardo da Vinci/Fiumicino flights
Ontario to Leonardo da Vinci/Fiumicino flights
Fort Lauderdale to Leonardo da Vinci/Fiumicino flights
Santa Ana to Leonardo da Vinci/Fiumicino flights
George Bush Intcntl to Leonardo da Vinci/Fiumicino flights
Tampa to Leonardo da Vinci/Fiumicino flights
Sky Harbor Intl to Leonardo da Vinci/Fiumicino flights
Raleigh to Leonardo da Vinci/Fiumicino flights
Austin to Leonardo da Vinci/Fiumicino flights
San Jose to Leonardo da Vinci/Fiumicino flights
San Diego to Leonardo da Vinci/Fiumicino flights
Portland to Leonardo da Vinci/Fiumicino flights
Nashville to Leonardo da Vinci/Fiumicino flights
Cleveland to Leonardo da Vinci/Fiumicino flights
Kansas City to Leonardo da Vinci/Fiumicino flights
Burbank to Leonardo da Vinci/Fiumicino flights
Cincinnati to Leonardo da Vinci/Fiumicino flights
Salt Lake City to Leonardo da Vinci/Fiumicino flights
Oakland to Leonardo da Vinci/Fiumicino flights
West Palm Beach to Leonardo da Vinci/Fiumicino flights
Pittsburgh to Leonardo da Vinci/Fiumicino flights
Indianapolis to Leonardo da Vinci/Fiumicino flights
Los Angeles to Ciampino flights
Jacksonville to Leonardo da Vinci/Fiumicino flights
St. Louis to Leonardo da Vinci/Fiumicino flights
O'Hare Intl to Ciampino flights
Boston to Ciampino flights

Top 10 airlines flying from Illinois to Rome

Discover the top 10 airlines that operate flights from Illinois to Rome. 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$230Average$895FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$337Average$462FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$390Average$697FlexibilityNo cancel feeOn-time67%
IcelandairCheapest$392Average$549FlexibilityNo cancel feeOn-time76%
SWISSCheapest$414Average$712FlexibilityNo cancel feeOn-time79%
Scandinavian AirlinesCheapest$430Average$515FlexibilityNo cancel feeOn-time77%
KLMCheapest$455Average$770FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$458Average$791FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$459Average$738FlexibilityNo cancel feeOn-time70%
DeltaCheapest$481Average$770FlexibilityNo cancel feeOn-timeN/A

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.