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$320+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ROM
Jul 29 — Aug 51
Wed 7/29
Wed 8/5
1 adult, Economy
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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 June 29, 2026.

This Ticket deal was found by Cheapflights users on 6/25. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/91:13 pm
STL
-
FCO
2 stops15h 32m
Air Canada
Tue 8/2511:30 am
FCO
-
STL
1 stop14h 12m
Air Canada
Deal found 6/25$736
This United Airlines deal was found by Cheapflights users on 6/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/98:58 am
STL
-
FCO
1 stop19h 57m
United Airlines
Wed 11/181:15 pm
FCO
-
STL
2 stops30h 25m
United Airlines
Deal found 6/29$769
This Condor deal was found by Cheapflights users on 6/25. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:00 am
STL
-
FCO
2 stops31h 50m
Multiple Airlines
Fri 9/118:10 am
FCO
-
STL
2 stops18h 35m
Multiple Airlines
Deal found 6/25$770
This oojo deal was found by Cheapflights users on 6/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/83:40 pm
STL
-
FCO
1 stop14h 00m
Lufthansa
Wed 11/187:05 am
FCO
-
STL
1 stop13h 40m
Lufthansa
Deal found 6/28$772
This FlightHub deal was found by Cheapflights users on 6/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:00 am
STL
-
FCO
2 stops19h 55m
Air Canada
Wed 11/181:15 pm
FCO
-
STL
2 stops33h 26m
Air Canada
Deal found 6/29$773
This United Airlines deal was found by Cheapflights users on 6/25. 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 12/610:35 am
MLI
-
FCO
1 stop14h 10m
United Airlines
Thu 12/1011:15 am
FCO
-
MLI
2 stops32h 20m
United Airlines
Deal found 6/25$774
This United Airlines deal was found by Cheapflights users on 6/28. 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.
Tue 11/104:40 pm
STL
-
FCO
1 stop36h 15m
United Airlines
Tue 1/1211:15 am
FCO
-
STL
1 stop35h 11m
United Airlines
Deal found 6/28$775
This FlightHub deal was found by Cheapflights users on 6/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/94:05 pm
STL
-
FCO
2 stops57h 50m
Air Canada
Wed 11/181:15 pm
FCO
-
STL
2 stops29h 51m
Air Canada
Deal found 6/26$776
This Cheapflightsfares deal was found by Cheapflights users on 6/28. 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.
Tue 7/77:25 pm
ORD
-
FCO
1 stop12h 10m
Icelandair
Wed 7/223:45 pm
FCO
-
ORD
1 stop12h 40m
Icelandair
Deal found 6/28$776
This Delta deal was found by Cheapflights users on 6/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1410:54 am
MDW
-
FCO
1 stop13h 41m
Delta
Wed 8/266:30 am
FCO
-
MDW
2 stops18h 31m
Delta
Deal found 6/29$776
This Mytrip deal was found by Cheapflights users on 6/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3010:40 am
ORD
-
FCO
3 stops18h 15m
Multiple Airlines
Fri 10/95:45 am
FCO
-
ORD
2 stops22h 40m
Multiple Airlines
Deal found 6/28$777
This Delta deal was found by Cheapflights users on 6/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1410:54 am
MDW
-
FCO
1 stop13h 41m
Delta
Wed 8/191:10 pm
FCO
-
MDW
1 stop16h 26m
Delta
Deal found 6/27$777

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 June 29, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$736
(Ticket)

One-way from

$320
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$947

Good round-trip deal

$884 or less

Good one-way deal

$633 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. 17% potential increase in price ($162 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 June 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 June 29, 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

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Mon 11/9

6:00 am-7:55 am

1 stop18h 55m

Rome Fiumicino

Wed 11/18

1:15 pm-2:30 pm

2 stops32h 15m

$769

ChicagoRome

MDW - FCO

MDWFCO

Chicago Midway

Mon 8/17

10:54 am-7:35 am

1 stop13h 41m

Rome Fiumicino

Mon 8/24

6:30 am-6:01 pm

2 stops18h 31m

$776

ChicagoRome

ORD - CIA

ORDCIA

Chicago O'Hare Intl

Tue 8/25

7:25 pm-4:40 pm

2 stops14h 15m

Rome Ciampino

Tue 9/1

1:20 pm-9:25 pm

3 stops39h 05m

$787

ChicagoRome

ORD - FCO

ORDFCO

Chicago O'Hare Intl

Sun 8/2

6:29 am-1:15 pm

1 stop23h 46m

Rome Fiumicino

Tue 8/11

11:30 am-10:16 am

1 stop29h 46m

$807

ChicagoRome

ORD - FCO

ORDFCO

Chicago O'Hare Intl

Thu 8/20

3:45 pm-7:55 am

Nonstop9h 10m

Rome Fiumicino

Sun 8/30

10:00 am-7:55 pm

1 stop16h 55m

$810

ChicagoRome

ORD - FCO

ORDFCO

Chicago O'Hare Intl

Thu 11/12

3:40 pm-7:45 am

Nonstop9h 05m

Rome Fiumicino

Sat 11/21

9:55 am-3:20 pm

1 stop12h 25m

$810

ChicagoRome

ORD - CIA

ORDCIA

Chicago O'Hare Intl

Mon 8/31

7:25 pm-9:30 pm

3 stops19h 05m

Rome Ciampino

Sun 9/13

1:35 pm-9:20 pm

3 stops38h 45m

$811
Quickest round-trip

ChicagoRome

ORD - FCO

ORDFCO

Chicago O'Hare Intl

Sat 9/19

3:00 pm-7:25 am

Nonstop9h 25m

Rome Fiumicino

Wed 9/30

9:20 am-1:10 pm

Nonstop10h 50m

$814

PaducahRome

PAH - FCO

PAHFCO

Paducah Barkley Regional

Sun 12/6

5:00 am-8:30 am

2 stops20h 30m

Rome Fiumicino

Thu 12/10

11:15 am-1:30 pm

2 stops33h 15m

$814

ChicagoRome

ORD - FCO

ORDFCO

Chicago O'Hare Intl

Sat 8/15

5:18 pm-2:25 pm

2 stops14h 07m

Rome Fiumicino

Sat 8/22

6:30 am-2:15 pm

1 stop14h 45m

$820

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/24

Showing 1-10 of 60 resultsSorted by cheapest first
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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 $332). Flying from Illinois to Rome in December is currently the most expensive (average of $1,259). 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 June 29, 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 June 29, 2026.

The most flights from USIL to ROM are scheduled on a Tuesday (13 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (9 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 25m. Fly via Delta, United Airlines, or ITA 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 $193. 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 Chicago O'Hare Intl - Rome Ciampino 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 (87%), Air Canada (73%), Austrian Airlines (73%).

  • What are the cheapest flights from Illinois to Rome?

    The cheapest flight price from Illinois to Rome is $540. On average you can expect to pay $2,110. The most popular route, (Chicago O'Hare Intl - Rome Fiumicino), can usually be booked for $532.

  • 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 $332). Flying from Illinois to Rome in December is currently the most expensive (average of $1,259). 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

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Alternative routes for Illinois to Rome

See prices for flight routes from nearby airports that may be better suited for you.
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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 June 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$337Average$447FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$375Average$589FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$384Average$914FlexibilityNo cancel feeOn-time67%
IcelandairCheapest$395Average$699FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$430Average$736FlexibilityNo cancel feeOn-time77%
KLMCheapest$455Average$793FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$455Average$698FlexibilityNo cancel feeOn-time70%
SWISSCheapest$491Average$745FlexibilityNo cancel feeOn-time79%
FinnairCheapest$495Average$1,123FlexibilityNo cancel feeOn-time76%
DeltaCheapest$502Average$893FlexibilityNo cancel feeOn-timeN/A

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