HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Rome

$198+ 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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ROM
Aug 17 — Aug 241
Mon 8/17
Mon 8/24
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 July 18, 2026.

This KAYAK deal was found by Cheapflights users on 7/15. 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.
Wed 8/198:55 am
STL
-
FCO
2 stops18h 30m
Aer Lingus
Wed 8/267:30 am
FCO
-
STL
2 stops19h 54m
Aer Lingus
Deal found 7/15$452
This KAYAK deal was found by Cheapflights users on 7/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/178:55 am
STL
-
FCO
2 stops18h 30m
Aer Lingus
Wed 8/267:30 am
FCO
-
STL
2 stops19h 54m
Aer Lingus
Deal found 7/17$460
This BusinessClass deal was found by Cheapflights users on 7/13. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/98:55 am
STL
-
FCO
2 stops18h 30m
Aer Lingus
Tue 8/257:30 am
FCO
-
STL
2 stops19h 54m
Aer Lingus
Deal found 7/13$483
This KAYAK deal was found by Cheapflights users on 7/15. 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.
Mon 8/108:55 am
STL
-
FCO
2 stops18h 30m
Aer Lingus
Fri 8/217:30 am
FCO
-
STL
2 stops19h 54m
Aer Lingus
Deal found 7/15$501
This Ovago deal was found by Cheapflights users on 7/16. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/138:55 am
STL
-
FCO
2 stops18h 30m
Aer Lingus
Wed 8/267:30 am
FCO
-
STL
2 stops19h 54m
Aer Lingus
Deal found 7/16$503
This KAYAK deal was found by Cheapflights users on 7/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/208:55 am
STL
-
FCO
2 stops18h 30m
Aer Lingus
Fri 8/287:30 am
FCO
-
STL
2 stops19h 54m
Aer Lingus
Deal found 7/17$510
This KAYAK deal was found by Cheapflights users on 7/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/178:55 am
STL
-
FCO
2 stops18h 30m
Aer Lingus
Tue 8/257:30 am
FCO
-
STL
2 stops19h 54m
Aer Lingus
Deal found 7/17$526
This KAYAK deal was found by Cheapflights users on 7/15. 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.
Fri 8/148:55 am
STL
-
FCO
2 stops18h 30m
Aer Lingus
Fri 8/217:30 am
FCO
-
STL
2 stops19h 54m
Aer Lingus
Deal found 7/15$551
This KAYAK deal was found by Cheapflights users on 7/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/218:55 am
STL
-
FCO
2 stops18h 30m
Aer Lingus
Thu 8/277:30 am
FCO
-
STL
2 stops19h 54m
Aer Lingus
Deal found 7/17$576
This United Airlines deal was found by Cheapflights users on 7/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/83:40 pm
ORD
-
FCO
Nonstop9h 05m
United Airlines
Thu 11/199:55 am
FCO
-
ORD
1 stop12h 25m
United Airlines
Deal found 7/17$711
This Delta deal was found by Cheapflights users on 7/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/910:30 am
ORD
-
FCO
1 stop13h 20m
Delta
Tue 8/2512:45 pm
FCO
-
ORD
1 stop32h 45m
Delta
Deal found 7/16$712
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:25 pm
ORD
-
FCO
2 stops19h 10m
Multiple Airlines
Mon 8/313:45 pm
FCO
-
ORD
1 stop12h 40m
Multiple Airlines
Deal found 7/16$713

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 July 18, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$452
(KAYAK)

One-way from

$198
(KAYAK)

Popular in

June

Cheapest in

December

Average price

$898

Good round-trip deal

$809 or less

Good one-way deal

$625 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. 16% potential increase in price ($153 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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 July 18, 2026.
Use the filters below to find and compare flights from Illinois to Rome that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoRome

MDW - FCO

MDWFCO

Chicago Midway

Sun 8/16

10:54 am-7:35 am

1 stop13h 41m

Rome Fiumicino

Fri 8/28

6:30 am-6:33 pm

2 stops19h 03m

$726

ChicagoRome

ORD - CIA

ORDCIA

Chicago O'Hare Intl

Tue 10/6

7:25 pm-9:10 pm

3 stops18h 45m

Rome Ciampino

Thu 10/15

6:00 am-6:15 pm

3 stops19h 15m

$747

ChicagoRome

ORD - FCO

ORDFCO

Chicago O'Hare Intl

Thu 11/12

3:40 pm-7:45 am

Nonstop9h 05m

Rome Fiumicino

Thu 12/10

7:05 am-3:20 pm

1 stop15h 15m

$761

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Tue 11/10

1:08 pm-7:45 am

1 stop11h 37m

Rome Fiumicino

Tue 1/12

11:15 am-2:30 pm

2 stops34h 15m

$774

ChicagoRome

ORD - FCO

ORDFCO

Chicago O'Hare Intl

Sun 8/16

3:19 pm-2:25 pm

2 stops16h 06m

Rome Fiumicino

Mon 8/24

6:30 am-4:51 pm

2 stops17h 21m

$780
Quickest round-trip

ChicagoRome

ORD - FCO

ORDFCO

Chicago O'Hare Intl

Mon 8/24

3:45 pm-7:55 am

Nonstop9h 10m

Rome Fiumicino

Fri 12/11

1:30 pm-8:05 pm

1 stop13h 35m

$785

MolineRome

MLI - FCO

MLIFCO

Moline Quad-City

Sun 11/15

6:30 am-7:45 am

1 stop18h 15m

Rome Fiumicino

Wed 11/18

9:45 am-9:10 pm

1 stop18h 25m

$790

ChicagoRome

ORD - CIA

ORDCIA

Chicago O'Hare Intl

Tue 10/13

7:25 pm-9:50 pm

3 stops19h 25m

Rome Ciampino

Tue 10/27

12:30 pm-5:45 pm

2 stops35h 15m

$793

ChicagoRome

ORD - FCO

ORDFCO

Chicago O'Hare Intl

Sun 8/16

3:45 pm-7:55 am

Nonstop9h 10m

Rome Fiumicino

Mon 8/24

10:50 am-2:00 pm

1 stop34h 10m

$797

ChicagoRome

MDW - FCO

MDWFCO

Chicago Midway

Wed 8/12

6:05 am-7:35 am

1 stop18h 30m

Rome Fiumicino

Fri 8/21

6:30 am-6:33 pm

2 stops19h 03m

$801

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/17

Showing 1-10 of 60 resultsSorted by cheapest first
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, January is the cheapest month in which you can book a flight from Illinois to Rome (average of $592). Flying from Illinois to Rome in June is currently the most expensive (average of $971). 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 July 18, 2026.

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

Weekly flight availability from Illinois to Rome

Explore weekly flight availability from Illinois to Rome. 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 18, 2026.

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

How much does it cost to fly round-trip from Illinois to Rome?

How far ahead should I book a flight from Illinois to Rome?

To ensure you get the cheapest price possible for a flight from Illinois to Rome, you should look to book at least 14 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 9h 05m. Fly via Delta, United Airlines, or British Airways 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 ITA Airways and Icelandair, 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: Kuwait Airways (74%), Air Canada (73%), Austrian Airlines (73%).

  • What are the cheapest flights from Illinois to Rome?

    The cheapest flight price from Illinois to Rome is $504. On average you can expect to pay $2,134. The most popular route, (Chicago O'Hare Intl - Rome Fiumicino), can usually be booked for $440.

  • 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, January is the cheapest month in which you can book a flight from Illinois to Rome (average of $592). Flying from Illinois to Rome in June is currently the most expensive (average of $971). 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
Civitavecchia
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
Los Angeles to Leonardo da Vinci/Fiumicino flights
O'Hare Intl to Leonardo da Vinci/Fiumicino flights
Boston to Leonardo da Vinci/Fiumicino flights
Dulles Intl to Leonardo da Vinci/Fiumicino flights
Miami to Leonardo da Vinci/Fiumicino flights
San Francisco to Leonardo da Vinci/Fiumicino flights
Dallas/Fort Worth to Leonardo da Vinci/Fiumicino flights
Seattle to Leonardo da Vinci/Fiumicino flights
Atlanta to Leonardo da Vinci/Fiumicino flights
Philadelphia to Leonardo da Vinci/Fiumicino flights
Baltimore to Leonardo da Vinci/Fiumicino flights
Reagan-National to Leonardo da Vinci/Fiumicino flights
Detroit to Leonardo da Vinci/Fiumicino flights
Ontario to Leonardo da Vinci/Fiumicino flights
Charlotte to Leonardo da Vinci/Fiumicino flights
Hobby to Leonardo da Vinci/Fiumicino flights
Minneapolis to Leonardo da Vinci/Fiumicino flights
Orlando to Leonardo da Vinci/Fiumicino flights
Tampa to Leonardo da Vinci/Fiumicino flights
Portland to Leonardo da Vinci/Fiumicino flights
George Bush Intcntl to Leonardo da Vinci/Fiumicino flights
Oakland to Leonardo da Vinci/Fiumicino flights
San Diego to Leonardo da Vinci/Fiumicino flights
Austin to Leonardo da Vinci/Fiumicino flights
Raleigh to Leonardo da Vinci/Fiumicino flights
Nashville to Leonardo da Vinci/Fiumicino flights
Pittsburgh to Leonardo da Vinci/Fiumicino flights
St. Louis to Leonardo da Vinci/Fiumicino flights
Salt Lake City to Leonardo da Vinci/Fiumicino flights
Cleveland to Leonardo da Vinci/Fiumicino flights
Las Vegas to Leonardo da Vinci/Fiumicino flights
Sacramento to Leonardo da Vinci/Fiumicino flights
Kansas City to Leonardo da Vinci/Fiumicino flights
Cincinnati to Leonardo da Vinci/Fiumicino 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 July 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$337Average$443FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$375Average$589FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$384Average$914FlexibilityNo cancel feeOn-time67%
IcelandairCheapest$395Average$707FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$430Average$736FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$455Average$687FlexibilityNo cancel feeOn-time70%
FinnairCheapest$495Average$1,123FlexibilityNo cancel feeOn-time76%
DeltaCheapest$502Average$893FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$504Average$984FlexibilityNo cancel feeOn-time77%
SWISSCheapest$506Average$747FlexibilityNo cancel feeOn-time79%

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.