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$228+ 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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ROM
Mar 20 — Mar 271
Fri 3/20
Fri 3/27
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 February 18, 2026.

This United Airlines deal was found by Cheapflights users on 2/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/182:20 pm
PIA
-
FCO
1 stop11h 25m
United Airlines
Tue 3/2411:00 am
FCO
-
PIA
2 stops32h 45m
United Airlines
Deal found 2/15$498
This oojo deal was found by Cheapflights users on 2/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/145:53 pm
STL
-
FCO
1 stop32h 57m
British Airways
Wed 4/2212:15 pm
FCO
-
STL
1 stop14h 14m
British Airways
Deal found 2/14$511
This Finnair deal was found by Cheapflights users on 2/17. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/155:21 pm
STL
-
FCO
2 stops17h 39m
Multiple Airlines
Wed 4/2210:30 am
FCO
-
STL
2 stops18h 47m
Multiple Airlines
Deal found 2/17$516
This Finnair deal was found by Cheapflights users on 2/17. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/155:21 pm
STL
-
FCO
2 stops17h 39m
Finnair
Wed 4/2210:00 am
FCO
-
STL
1 stop19h 17m
Finnair
Deal found 2/17$517
This Booking.com deal was found by Cheapflights users on 2/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/183:45 pm
ORD
-
FCO
1 stop11h 45m
Aer Lingus
Tue 8/257:30 am
FCO
-
ORD
1 stop13h 30m
Aer Lingus
Deal found 2/16$520
This FlightHub deal was found by Cheapflights users on 2/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/710:40 am
ORD
-
FCO
2 stops39h 05m
Scandinavian Airlines
Tue 4/217:25 pm
FCO
-
ORD
1 stop27h 45m
Scandinavian Airlines
Deal found 2/14$521
This Air Canada deal was found by Cheapflights users on 2/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/227:25 am
ORD
-
FCO
2 stops19h 00m
Air Canada
Tue 3/31:05 pm
FCO
-
ORD
2 stops32h 38m
Air Canada
Deal found 2/15$522
This United Airlines deal was found by Cheapflights users on 2/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/83:45 pm
ORD
-
FCO
Nonstop9h 00m
United Airlines
Thu 11/199:45 am
FCO
-
ORD
1 stop17h 20m
United Airlines
Deal found 2/16$523
This United Airlines deal was found by Cheapflights users on 2/17. 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 3/13:45 pm
ORD
-
FCO
Nonstop9h 00m
United Airlines
Tue 3/109:45 am
FCO
-
ORD
Nonstop10h 25m
United Airlines
Deal found 2/17$524
This United Airlines deal was found by Cheapflights users on 2/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/2210:55 am
ORD
-
FCO
1 stop14h 00m
United Airlines
Tue 3/109:45 am
FCO
-
ORD
Nonstop10h 25m
United Airlines
Deal found 2/16$525
This British Airways deal was found by Cheapflights users on 2/16. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/96:40 pm
ORD
-
FCO
1 stop13h 15m
Multiple Airlines
Mon 3/168:50 pm
FCO
-
ORD
1 stop24h 00m
Multiple Airlines
Deal found 2/16$526
This United Airlines deal was found by Cheapflights users on 2/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/108:45 am
ORD
-
FCO
1 stop17h 30m
United Airlines
Wed 8/269:45 am
FCO
-
ORD
Nonstop10h 30m
United Airlines
Deal found 2/16$527

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 February 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$498
(United Airlines)

One-way from

$228
(Mytrip)

Popular in

June

Cheapest in

November

Average price

$593

Good round-trip deal

$783 or less

Good one-way deal

$562 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. 20% potential increase in price ($192 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 18, 2026.
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

PeoriaRome

PIA - FCO

PIAFCO

Greater Peoria

Wed 3/18

2:20 pm-7:45 am

1 stop11h 25m

Rome Fiumicino

Tue 3/24

11:00 am-1:45 pm

2 stops32h 45m

$498

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Wed 4/15

5:21 pm-6:00 pm

2 stops17h 39m

Rome Fiumicino

Wed 4/22

10:30 am-10:17 pm

2 stops18h 47m

$516

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Wed 4/15

5:21 pm-6:00 pm

2 stops17h 39m

Rome Fiumicino

Wed 4/22

10:00 am-10:17 pm

1 stop19h 17m

$517

ChicagoRome

ORD - FCO

ORDFCO

Chicago O'Hare Intl

Sun 3/22

7:15 am-7:55 am

1 stop18h 40m

Rome Fiumicino

Wed 4/1

9:45 am-1:05 pm

Nonstop10h 20m

$527

ChicagoRome

ORD - FCO

ORDFCO

Chicago O'Hare Intl

Tue 2/24

9:17 am-9:25 am

2 stops17h 08m

Rome Fiumicino

Tue 3/3

1:05 pm-1:22 pm

2 stops31h 17m

$527

ChicagoRome

ORD - FCO

ORDFCO

Chicago O'Hare Intl

Sun 3/22

7:15 am-7:55 am

1 stop18h 40m

Rome Fiumicino

Thu 4/2

9:45 am-1:05 pm

Nonstop10h 20m

$527

ChicagoRome

ORD - FCO

ORDFCO

Chicago O'Hare Intl

Wed 2/25

1:02 pm-8:30 am

1 stop12h 28m

Rome Fiumicino

Tue 3/3

9:45 am-1:10 pm

Nonstop10h 25m

$528

ChicagoRome

ORD - FCO

ORDFCO

Chicago O'Hare Intl

Wed 3/18

10:40 am-7:40 am

1 stop15h 00m

Rome Fiumicino

Tue 3/31

6:30 am-2:15 pm

1 stop14h 45m

$530

ChicagoRome

ORD - FCO

ORDFCO

Chicago O'Hare Intl

Tue 3/24

10:45 am-9:10 am

2 stops16h 25m

Rome Fiumicino

Wed 4/1

6:30 am-2:30 pm

1 stop15h 00m

$540

ChicagoRome

MDW - FCO

MDWFCO

Chicago Midway

Sun 2/22

10:49 am-10:30 am

1 stop16h 41m

Rome Fiumicino

Tue 3/10

6:10 am-6:40 pm

2 stops18h 30m

$540

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/17

Showing 1-10 of 60 results
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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, December is the cheapest month in which you can book a flight from Illinois to Rome (average of $347). Flying from Illinois to Rome in June is currently the most expensive (average of $701). 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.

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 11h 25m. Fly via United Airlines, Finnair, or Delta to get the fastest option. The distance from Illinois to Rome is about 4937 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 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: Air Canada (0%), Austrian Airlines (0%), Brussels Airlines (0%).

  • What are the cheapest flights from Illinois to Rome?

    The cheapest flight price from Illinois to Rome is $398. On average you can expect to pay $1,708. The most popular route, (Chicago O'Hare Intl - Rome Fiumicino), can usually be booked for $424.

  • 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 $347). Flying from Illinois to Rome in June is currently the most expensive (average of $701). 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

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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 February 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$230Average$893FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$337Average$443FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$384Average$914FlexibilityNo cancel feeOn-time67%
IcelandairCheapest$392Average$565FlexibilityNo cancel feeOn-time76%
SWISSCheapest$414Average$712FlexibilityNo cancel feeOn-time79%
Scandinavian AirlinesCheapest$420Average$512FlexibilityNo cancel feeOn-time77%
KLMCheapest$455Average$878FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$455Average$715FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$458Average$719FlexibilityNo cancel feeOn-time77%
DeltaCheapest$462Average$764FlexibilityNo cancel feeOn-timeN/A

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