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$207+ 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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ROM
feb. 19 — feb. 261
jue. 2/19
jue. 2/26
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 enero 20, 2026.

This Mytrip deal was found by Cheapflights users on 1/19. 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.
mié. 2/254:05 pm
STL
-
FCO
1 stop12h 00m
Air Canada
mié. 3/41:15 pm
FCO
-
STL
2 stops32h 27m
Air Canada
Deal found 1/19$441
This United Airlines deal was found by Cheapflights users on 1/19. 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.
mar. 2/247:41 am
STL
-
FCO
1 stop17h 04m
United Airlines
mar. 3/31:05 pm
FCO
-
STL
2 stops39h 35m
United Airlines
Deal found 1/19$442
This Booking.com deal was found by Cheapflights users on 1/18. 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.
mar. 3/34:05 pm
STL
-
FCO
1 stop11h 50m
Air Canada
mar. 3/1012:10 pm
FCO
-
STL
2 stops32h 32m
Air Canada
Deal found 1/18$446
This United Airlines deal was found by Cheapflights users on 1/19. 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.
mar. 2/38:05 am
STL
-
FCO
2 stops15h 40m
United Airlines
jue. 2/1212:50 pm
FCO
-
STL
2 stops39h 50m
United Airlines
Deal found 1/19$447
This FlightHub deal was found by Cheapflights users on 1/19. 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.
dom. 3/18:25 pm
ORD
-
FCO
1 stop20h 40m
TAP AIR PORTUGAL
mié. 3/116:00 am
FCO
-
ORD
1 stop16h 00m
TAP AIR PORTUGAL
Deal found 1/19$449
This oojo deal was found by Cheapflights users on 1/19. 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.
mié. 4/156:00 pm
ORD
-
FCO
1 stop23h 15m
TAP AIR PORTUGAL
mié. 4/294:45 am
FCO
-
ORD
1 stop18h 15m
TAP AIR PORTUGAL
Deal found 1/19$451
This oojo deal was found by Cheapflights users on 1/18. 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.
lun. 4/207:15 pm
ORD
-
FCO
1 stop16h 20m
Scandinavian Airlines
vie. 5/17:25 pm
FCO
-
ORD
1 stop27h 45m
Scandinavian Airlines
Deal found 1/18$452
This oojo deal was found by Cheapflights users on 1/20. 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.
jue. 2/266:30 pm
ORD
-
FCO
1 stop12h 30m
Icelandair
mié. 3/411:25 am
FCO
-
ORD
1 stop12h 55m
Icelandair
Deal found 1/20$453
This oojo deal was found by Cheapflights users on 1/19. 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.
mié. 2/182:00 pm
STL
-
FCO
1 stop12h 00m
British Airways
mié. 2/251:10 pm
FCO
-
STL
1 stop16h 54m
British Airways
Deal found 1/19$454
This oojo deal was found by Cheapflights users on 1/19. 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.
jue. 4/97:25 pm
ORD
-
FCO
1 stop12h 10m
Icelandair
vie. 4/173:45 pm
FCO
-
ORD
1 stop12h 40m
Icelandair
Deal found 1/19$454
This oojo deal was found by Cheapflights users on 1/18. 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.
mar. 4/147:25 pm
ORD
-
FCO
1 stop12h 10m
Icelandair
mar. 4/213:45 pm
FCO
-
ORD
1 stop33h 30m
Icelandair
Deal found 1/18$455
This Mytrip deal was found by Cheapflights users on 1/19. 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.
mié. 2/254:05 pm
STL
-
FCO
1 stop12h 00m
Multiple Airlines
mié. 3/47:05 am
FCO
-
STL
1 stop13h 50m
Multiple Airlines
Deal found 1/19$456

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 enero 20, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$441
(Mytrip)

One-way from

$207
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$587

Good round-trip deal

$791 or less

Good one-way deal

$563 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 ($224 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 enero 20, 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

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

mar. 2/3

8:05 am-6:45 am

2 stops15h 40m

Rome Fiumicino

jue. 2/12

12:50 pm-9:40 pm

2 stops39h 50m

$447

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

lun. 2/16

2:00 pm-9:00 am

1 stop12h 00m

Rome Fiumicino

mar. 2/24

12:20 pm-11:48 pm

2 stops18h 28m

$477

EvansvilleRome

EVV - FCO

EVVFCO

Evansville Dress Regional

sáb. 3/21

6:55 pm-5:35 pm

2 stops16h 40m

Rome Fiumicino

mié. 4/1

10:00 am-11:46 pm

1 stop20h 46m

$479

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

mié. 2/4

11:20 am-11:00 pm

2 stops28h 40m

Rome Fiumicino

vie. 2/13

11:00 am-10:36 am

2 stops30h 36m

$485

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

dom. 2/15

6:55 pm-6:15 pm

2 stops16h 20m

Rome Fiumicino

mar. 2/24

9:45 am-9:05 pm

1 stop18h 20m

$490

ChicagoRome

ORD - FCO

ORDFCO

Chicago O'Hare Intl

dom. 3/1

3:45 pm-7:45 am

Nonstop9h 00m

Rome Fiumicino

mar. 3/17

7:05 am-2:25 pm

1 stop13h 20m

$491

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

sáb. 2/14

4:28 pm-8:30 am

2 stops33h 02m

Rome Fiumicino

mar. 2/24

9:45 am-9:05 pm

1 stop18h 20m

$492

ChicagoRome

ORD - FCO

ORDFCO

Chicago O'Hare Intl

dom. 2/22

3:45 pm-7:45 am

Nonstop9h 00m

Rome Fiumicino

mar. 3/10

9:45 am-2:10 pm

Nonstop10h 25m

$492

ChicagoRome

ORD - FCO

ORDFCO

Chicago O'Hare Intl

mié. 2/25

3:45 pm-7:45 am

Nonstop9h 00m

Rome Fiumicino

mié. 3/4

9:45 am-1:10 pm

Nonstop10h 25m

$493

EvansvilleRome

EVV - FCO

EVVFCO

Evansville Dress Regional

mar. 3/3

6:00 am-9:10 am

2 stops20h 10m

Rome Fiumicino

mar. 3/10

11:40 am-10:23 pm

1 stop16h 43m

$517

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

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 12h. Fly via United Airlines, British Airways, or American Airlines to get the fastest option. The distance from Illinois to Rome is about 5050 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: SWISS (42%), Air Canada (38%), Austrian Airlines (38%).

  • What are the cheapest flights from Illinois to Rome?

    The cheapest flight price from Illinois to Rome is $448. On average you can expect to pay $1,678. The most popular route, (Chicago O'Hare Intl - Rome Fiumicino), can usually be booked for $401.

  • 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 enero 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$230Average$883FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$337Average$455FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$390Average$770FlexibilityNo cancel feeOn-time67%
IcelandairCheapest$392Average$534FlexibilityNo cancel feeOn-time76%
SWISSCheapest$414Average$711FlexibilityNo cancel feeOn-time79%
Scandinavian AirlinesCheapest$420Average$512FlexibilityNo cancel feeOn-time77%
KLMCheapest$455Average$770FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$458Average$764FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$458Average$735FlexibilityNo cancel feeOn-time70%
DeltaCheapest$462Average$764FlexibilityNo cancel feeOn-timeN/A

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