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$491+ Cheap flights from Rome (ROM) to Chicago (CHI)

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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
ROM — CHI
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Rome to Chicago are usually found in February or April, booked 46 days in advance, depart on a Thursday or Saturday and return on a Tuesday

Cheap flight deals from Rome to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Rome (ROM) to Chicago (CHI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$646
(United Airlines)

One-way from

$491
(oojo)

Popular in

August

Cheapest in

February

Average price

$789

Good round-trip deal

$758 or less

Good one-way deal

$601 or less
From Rome (ROM) to Chicago (CHI)
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One-way flight from Rome (ROM) to Chicago (CHI)
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Highest demand for flights based on searches. 6% potential increase in price ($48 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Rome (ROM) to Chicago (CHI).
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Price to beat on a one-way flight from Rome (ROM) to Chicago (CHI).
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Find flight deals from Rome to Chicago

Cheapest flights from Rome to Chicago
Explore the most affordable flight options available from Rome to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/10. 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.
Thu 11/131:30 pmFCO - ORD
2 stops28h 28mUnited Airlines
Tue 11/181:00 pmORD - FCO
2 stops14h 55mUnited Airlines
Deal found 6/10$646
This Delta deal was found by Cheapflights users on 6/12. 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.
Thu 8/289:00 amFCO - MDW
1 stop16h 37mDelta
Tue 9/91:08 pmMDW - FCO
2 stops15h 22mDelta
Deal found 6/12$648
This Finnair deal was found by Cheapflights users on 6/11. 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.
Sun 8/3111:05 amFCO - ORD
Nonstop10h 25mFinnair
Fri 9/54:54 pmORD - FCO
1 stop31h 11mFinnair
Deal found 6/11$649
This Aer Lingus deal was found by Cheapflights users on 6/10. 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 Aer Lingus is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/157:30 amFCO - ORD
1 stop13h 30mAer Lingus
Mon 9/13:45 pmORD - FCO
1 stop11h 40mAer Lingus
Deal found 6/10$650
This Iberia deal was found by Cheapflights users on 6/12. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2910:20 amFCO - ORD
1 stop15h 30mIberia
Sat 10/114:42 pmORD - FCO
1 stop11h 38mIberia
Deal found 6/12$651
This Delta deal was found by Cheapflights users on 6/12. 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.
Mon 9/296:30 amFCO - ORD
1 stop15h 10mDelta
Sat 10/112:10 pmORD - FCO
2 stops14h 20mDelta
Deal found 6/12$652
This Gotogate deal was found by Cheapflights users on 6/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/93:45 pmFCO - ORD
1 stop12h 30mIcelandair
Wed 7/1610:15 pmORD - FCO
1 stop33h 20mIcelandair
Deal found 6/11$653
This Mytrip deal was found by Cheapflights users on 6/10. 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.
Thu 10/237:05 pmFCO - ORD
2 stops29h 45mMultiple Airlines
Mon 10/276:00 amORD - FCO
2 stops25h 30mMultiple Airlines
Deal found 6/10$655
This Air Canada deal was found by Cheapflights users on 6/11. 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.
Mon 9/227:00 amFCO - ORD
2 stops15h 04mAir Canada
Sun 10/52:08 pmORD - FCO
1 stop12h 07mAir Canada
Deal found 6/11$657
This lol.travel deal was found by Cheapflights users on 6/11. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1111:05 amFCO - ORD
Nonstop10h 25mBritish Airways
Thu 7/247:10 pmORD - FCO
1 stop13h 45mBritish Airways
Deal found 6/11$666
This deal was found by Cheapflights users on 6/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/179:25 amFCO - ORD
Nonstop10h 45mITA Airways
Sun 9/213:00 pmORD - FCO
Nonstop9h 25mITA Airways
Deal found 6/10$675
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2312:10 pmFCO - ORD
1 stop16h 15mAmerican Airlines
Sat 7/1211:52 amORD - FCO
1 stop16h 28mAmerican Airlines
Deal found 6/11$689

Cheapflights Fare Finder

Customize your flight search to find flights from Rome to Chicago 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 12, 2025.
Use the filters below to find and compare flights from Rome to Chicago that are best for you.

Fly from

Rome

Fly to

Chicago

Route

Depart

Return

Price

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Thu 11/13

1:30 pm-10:58 am

2 stops28h 28m

Chicago O'Hare Intl

Tue 11/18

1:00 pm-10:55 am

2 stops14h 55m

$646

RomeChicago

FCO - MDW

FCOMDW

Rome Fiumicino

Thu 8/28

9:00 am-6:37 pm

1 stop16h 37m

Chicago Midway

Tue 9/9

1:08 pm-11:30 am

2 stops15h 22m

$648

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Sun 8/31

11:05 am-2:30 pm

Nonstop10h 25m

Chicago O'Hare Intl

Fri 9/5

4:54 pm-7:05 am

1 stop31h 11m

$649

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Fri 8/15

7:30 am-2:00 pm

1 stop13h 30m

Chicago O'Hare Intl

Mon 9/1

3:45 pm-10:25 am

1 stop11h 40m

$650

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Mon 9/29

10:20 am-6:50 pm

1 stop15h 30m

Chicago O'Hare Intl

Sat 10/11

4:42 pm-11:20 am

1 stop11h 38m

$651

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Mon 9/29

6:30 am-2:40 pm

1 stop15h 10m

Chicago O'Hare Intl

Sat 10/11

2:10 pm-11:30 am

2 stops14h 20m

$652

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Wed 7/9

3:45 pm-9:15 pm

1 stop12h 30m

Chicago O'Hare Intl

Wed 7/16

10:15 pm-2:35 pm

1 stop33h 20m

$653

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Thu 10/23

7:05 pm-5:50 pm

2 stops29h 45m

Chicago O'Hare Intl

Mon 10/27

6:00 am-1:30 pm

2 stops25h 30m

$655

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Mon 9/22

7:00 am-3:04 pm

2 stops15h 04m

Chicago O'Hare Intl

Sun 10/5

2:08 pm-9:15 am

1 stop12h 07m

$657

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Fri 7/11

11:05 am-2:30 pm

Nonstop10h 25m

Chicago O'Hare Intl

Thu 7/24

7:10 pm-3:55 pm

1 stop13h 45m

$666

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 39 results
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Best time to book a flight from Rome to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Rome 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 Rome to Chicago

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

Use this chart to determine the optimal time to book a round-trip flight from Rome to Chicago. Price data was last updated on June 9, 2025.

To ensure you get the cheapest price possible for a flight from Rome to Chicago, you should look to book at least 46 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.

What is the cheapest month to book a flight from Rome to Chicago?

Currently, August is the cheapest month in which you can book a flight from Rome to Chicago (average of $245). Flying from Rome to Chicago in March is currently the most expensive (average of $321). 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 ROM to CHI?

Find hourly flight availability from Rome to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

When flying from Rome to Chicago, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 10% versus a flight in the morning.

Weekly flight availability from Rome to Chicago

Explore weekly flight availability from Rome to Chicago. 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 12, 2025.

The most flights from ROM to CHI are scheduled on a Saturday (14 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (10 on average).

Rainfall in Chicago by month

Plan your trip to Chicago by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago when rainfall is around 1.7 in.

Temperature in Chicago by month

Plan your trip to Chicago by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Chicago. Reviews last updated June 12, 2025.
Read through reviews of airlines operating flights from Rome to Chicago, such as Delta, KLM and Air Transat. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Transat
7.8
Good
396 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
LOT
7.6
Good
1,077 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Rome to Chicago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Rome to Chicago round-trip?

    According to our current data, United Airlines ($646), Delta ($648), and Finnair ($649) offers the cheapest pricing from Rome to Chicago. United Airlines is priced at 6% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Rome to Chicago one-way?

    To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at $491. Air Transat flights start at $506 while deals on Aer Lingus start at $516 one-way.

  • What are the most popular routes from Rome to Chicago?

    Most travelers choose Rome Fiumicino - Chicago O'Hare Intl, Rome Fiumicino - Chicago Midway or Rome Ciampino - Chicago O'Hare Intl when deciding on the best route from Rome to Chicago.

  • What are the most reliable airlines from Rome to Chicago?

    The top 3 most reliable airlines when flying from Rome to Chicago are Ethiopian Air (84%), American Airlines (79%) and Alaska Airlines (79%).

  • What are the cheapest flights from Rome to Chicago?

    The cheapest flight price from Rome to Chicago is $432. On average you can expect to pay $1,261. The most popular route, (Rome Fiumicino - Chicago O'Hare Intl), can usually be booked for $376.

  • Can I find deals for flights from Rome to Chicago that include hotel bookings?

    Yes. In addition to deals on Rome to Chicago flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Rome to Chicago?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rome to Chicago.

  • Can I find deals for business class flights from Rome to Chicago?

    Yes. Cheapflights offers flight deals from Rome to Chicago 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 Rome to Chicago?

    Currently, August is the cheapest month in which you can book a flight from Rome to Chicago (average of $245). Flying from Rome to Chicago in March is currently the most expensive (average of $321). 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
Merrillville
Lansing
Benton Harbor
Porter
Hammond
Valparaiso
Chesterton

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Alternative routes for Rome to Chicago

See prices for flight routes from nearby airports that may be better suited for you.
Leonardo da Vinci/Fiumicino to O'Hare Intl flights
Leonardo da Vinci/Fiumicino to Midway flights
Ciampino to O'Hare Intl flights
Leonardo da Vinci/Fiumicino to St. Louis flights

Top 6 airlines flying from Rome to Chicago

Discover the top 6 airlines that operate flights from Rome to Chicago. 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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$536Average$780FlexibilityNo cancel feeOn-time71%
IberiaCheapest$550Average$733FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$628Average$758FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$639Average$838FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$639Average$778FlexibilityNo cancel feeOn-time69%
ITA AirwaysCheapest$658Average$715FlexibilityNo cancel feeOn-time81%

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