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$315+ 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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ROM
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
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 December 23, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/22. 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 12/319:50 pmORD - FCO
1 stop13h 25mLufthansa
Tue 1/137:00 amFCO - ORD
1 stop14h 10mLufthansa
Deal found 12/22$489
This Kiwi.com deal was found by Cheapflights users on 12/22. 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 stop12h 10mSWISS
Mon 1/122:50 pmFCO - ORD
1 stop32h 30mSWISS
Deal found 12/22$511
This Mytrip deal was found by Cheapflights users on 12/22. 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
Tue 1/137:00 amFCO - ORD
2 stops17h 48mMultiple Airlines
Deal found 12/22$514
This Mytrip deal was found by Cheapflights users on 12/22. 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 12/3112:50 pmORD - FCO
1 stop13h 30mMultiple Airlines
Mon 1/122:50 pmFCO - ORD
1 stop32h 30mMultiple Airlines
Deal found 12/22$518
This oojo deal was found by Cheapflights users on 12/22. 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.
Wed 12/318:25 amORD - FCO
1 stop19h 20mBritish Airways
Mon 1/125:50 pmFCO - ORD
2 stops30h 57mBritish Airways
Deal found 12/22$523
This Cheapflightsfares deal was found by Cheapflights users on 12/21. 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 12/316:50 pmORD - FCO
1 stop12h 10mSWISS
Thu 1/88:15 pmFCO - ORD
2 stops24h 55mSWISS
Deal found 12/21$529
This Delta deal was found by Cheapflights users on 12/22. 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
Tue 1/136:10 amFCO - MDW
2 stops19h 22mDelta
Deal found 12/22$538
This Cheapflightsfares deal was found by Cheapflights users on 12/22. 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 12/313:45 pmORD - FCO
2 stops14h 40mLufthansa
Mon 1/122:20 pmFCO - ORD
2 stops30h 50mLufthansa
Deal found 12/22$540
This United Airlines deal was found by Cheapflights users on 12/22. 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 12/3112:09 pmORD - FCO
2 stops15h 51mUnited Airlines
Tue 1/137:00 amFCO - ORD
2 stops18h 37mUnited Airlines
Deal found 12/22$544
This KAYAK deal was found by Cheapflights users on 12/22. 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 12/246:50 pmORD - FCO
1 stop17h 35mSWISS
Thu 1/88:15 pmFCO - ORD
2 stops24h 55mSWISS
Deal found 12/22$552
This KAYAK deal was found by Cheapflights users on 12/22. 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 12/285:50 pmORD - FCO
2 stops31h 50mSWISS
Thu 1/88:15 pmFCO - ORD
2 stops24h 55mSWISS
Deal found 12/22$559
This Mytrip deal was found by Cheapflights users on 12/22. 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 12/3110:35 pmORD - CIA
2 stops16h 15mMultiple Airlines
Mon 1/129:25 pmCIA - ORD
3 stops27h 23mMultiple Airlines
Deal found 12/22$810

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 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$413
(Flightnetwork)

One-way from

$315
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$663

Good round-trip deal

$764 or less

Good one-way deal

$542 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 ($235 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 23, 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

MolineRome

MLI - FCO

MLIFCO

Moline Quad-City

Thu 2/5

5:29 pm-6:15 pm

2 stops17h 46m

Rome Fiumicino

Fri 2/20

9:45 am-4:47 pm

1 stop14h 02m

$447

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Wed 1/21

6:40 pm-11:00 pm

2 stops21h 20m

Rome Fiumicino

Wed 1/28

7:05 am-1:55 pm

1 stop13h 50m

$482

MolineRome

MLI - FCO

MLIFCO

Moline Quad-City

Mon 1/19

5:29 pm-9:25 am

2 stops32h 56m

Rome Fiumicino

Mon 1/26

11:15 am-9:36 pm

2 stops41h 21m

$491

PeoriaRome

PIA - FCO

PIAFCO

Greater Peoria

Mon 1/19

1:24 pm-9:25 am

2 stops37h 01m

Rome Fiumicino

Mon 1/26

11:15 am-2:23 pm

2 stops34h 08m

$491

PeoriaRome

PIA - FCO

PIAFCO

Greater Peoria

Mon 1/19

5:18 pm-6:15 pm

2 stops17h 57m

Rome Fiumicino

Mon 1/26

7:05 am-9:39 pm

2 stops21h 34m

$491

PeoriaRome

PIA - FCO

PIAFCO

Greater Peoria

Wed 2/4

3:00 pm-7:55 am

2 stops33h 55m

Rome Fiumicino

Wed 2/11

11:15 am-2:10 pm

2 stops33h 55m

$492

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Wed 1/28

11:22 am-7:55 am

1 stop13h 33m

Rome Fiumicino

Sun 2/1

7:05 am-3:29 pm

2 stops39h 24m

$501

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Tue 3/17

6:32 am-6:55 am

1 stop18h 23m

Rome Fiumicino

Thu 3/26

11:40 am-9:06 pm

1 stop15h 26m

$507

PeoriaRome

PIA - FCO

PIAFCO

Greater Peoria

Fri 2/6

7:39 am-2:55 pm

2 stops24h 16m

Rome Fiumicino

Fri 2/13

1:10 pm-11:55 pm

2 stops17h 45m

$508

MolineRome

MLI - FCO

MLIFCO

Moline Quad-City

Fri 2/6

6:30 am-7:55 am

2 stops18h 25m

Rome Fiumicino

Tue 2/10

9:45 am-10:12 am

2 stops31h 27m

$509

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

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 $348). Flying from Illinois to Rome in June is currently the most expensive (average of $707). 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 23, 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 17h 46m. Fly via Lufthansa, United Airlines, or Delta to get the fastest option. The distance from Illinois to Rome is about 4935 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 $398. On average you can expect to pay $1,613. The most popular route, (Chicago O'Hare Intl - Rome Fiumicino), can usually be booked for $416.

  • 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 $707). 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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$230Average$894FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$337Average$477FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$390Average$697FlexibilityNo cancel feeOn-time67%
IcelandairCheapest$392Average$550FlexibilityNo cancel feeOn-time76%
SWISSCheapest$414Average$712FlexibilityNo cancel feeOn-time79%
Scandinavian AirlinesCheapest$430Average$504FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$458Average$791FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$459Average$738FlexibilityNo cancel feeOn-time70%
DeltaCheapest$481Average$766FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$512Average$770FlexibilityNo cancel feeOn-time75%

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