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$485+ 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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
ROM — CHI
mai 6 — mai 131
ter 5/6
ter 5/13
1 adult, Economy
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Cheapflights Tip: The best prices from Rome to Chicago are usually found in February or April, booked 22 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 maio 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$545
(lol.travel)

One-way from

$485
(Booking.com)

Popular in

August

Cheapest in

February

Average price

$627

Good round-trip deal

$664 or less

Good one-way deal

$678 or less
Provider with most accurate pricing for Rome (ROM)-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Rome (ROM)-Chicago (CHI) flights.
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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 ($49 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 May 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 maio 1, 2025.

This lol.travel deal was found by Cheapflights users on 4/30. 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.
sex 5/1611:05 amFCO - ORD
Nonstop10h 25mIberia
dom 6/14:45 pmORD - FCO
Nonstop9h 15mIberia
Deal found 4/30$545
This United Airlines deal was found by Cheapflights users on 4/30. 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.
sáb 5/249:45 amFCO - ORD
Nonstop10h 25mUnited Airlines
sáb 5/246:30 pmORD - FCO
1 stop32h 45mUnited Airlines
Deal found 4/30$548
This Cheapflightsfares deal was found by Cheapflights users on 4/28. 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.
seg 5/197:35 amFCO - ORD
1 stop13h 40mMultiple Airlines
seg 5/2610:25 pmORD - FCO
1 stop14h 40mMultiple Airlines
Deal found 4/28$549
This Booking.com deal was found by Cheapflights users on 4/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 5/2211:05 amFCO - ORD
Nonstop10h 25mBritish Airways
sex 6/69:15 pmORD - FCO
1 stop12h 10mBritish Airways
Deal found 4/29$550
This American Airlines deal was found by Cheapflights users on 4/30. 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.
qui 9/1811:05 amFCO - ORD
Nonstop10h 25mAmerican Airlines
sex 10/38:40 pmORD - FCO
1 stop14h 20mAmerican Airlines
Deal found 4/30$551
This lol.travel deal was found by Cheapflights users on 4/29. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 6/89:25 amFCO - ORD
Nonstop10h 45mITA Airways
seg 6/233:00 pmORD - FCO
Nonstop9h 25mITA Airways
Deal found 4/29$555
This Finnair deal was found by Cheapflights users on 4/29. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 5/1611:05 amFCO - ORD
Nonstop10h 25mFinnair
dom 6/14:45 pmORD - FCO
Nonstop9h 15mFinnair
Deal found 4/29$563
This Delta deal was found by Cheapflights users on 4/29. 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.
dom 5/116:30 amFCO - ORD
1 stop14h 40mDelta
seg 5/261:45 pmORD - FCO
2 stops14h 45mDelta
Deal found 4/29$603
This KLM deal was found by Cheapflights users on 4/29. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 5/96:30 amFCO - ORD
1 stop14h 40mKLM
dom 5/255:59 pmORD - FCO
1 stop11h 46mKLM
Deal found 4/29$606
This Delta deal was found by Cheapflights users on 4/29. 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.
ter 6/176:30 amFCO - MDW
2 stops19h 11mDelta
qua 7/236:20 pmMDW - FCO
2 stops13h 30mDelta
Deal found 4/29$608
This lol.travel deal was found by Cheapflights users on 4/30. 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.
sex 5/1611:55 amFCO - ORD
1 stop13h 30mScandinavian Airlines
dom 6/17:00 amORD - FCO
2 stops21h 05mScandinavian Airlines
Deal found 4/30$618
This KLM deal was found by Cheapflights users on 4/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 5/109:00 amFCO - MDW
1 stop14h 21mKLM
seg 5/261:08 pmMDW - FCO
1 stop13h 12mKLM
Deal found 4/28$628

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 maio 1, 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

sex 5/16

11:05 am-2:30 pm

Nonstop10h 25m

Chicago O'Hare Intl

dom 6/1

4:45 pm-9:00 am

Nonstop9h 15m

$545

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

sáb 5/24

9:45 am-1:10 pm

Nonstop10h 25m

Chicago O'Hare Intl

sáb 5/24

6:30 pm-10:15 am

1 stop32h 45m

$548

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

seg 5/19

7:35 am-2:15 pm

1 stop13h 40m

Chicago O'Hare Intl

seg 5/26

10:25 pm-8:05 pm

1 stop14h 40m

$549

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

qui 5/22

11:05 am-2:30 pm

Nonstop10h 25m

Chicago O'Hare Intl

sex 6/6

9:15 pm-4:25 pm

1 stop12h 10m

$550

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

qui 9/18

11:05 am-2:30 pm

Nonstop10h 25m

Chicago O'Hare Intl

sex 10/3

8:40 pm-6:00 pm

1 stop14h 20m

$551

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

dom 6/8

9:25 am-1:10 pm

Nonstop10h 45m

Chicago O'Hare Intl

seg 6/23

3:00 pm-7:25 am

Nonstop9h 25m

$555

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

sex 5/16

11:05 am-2:30 pm

Nonstop10h 25m

Chicago O'Hare Intl

dom 6/1

4:45 pm-9:00 am

Nonstop9h 15m

$563

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

dom 5/11

6:30 am-2:10 pm

1 stop14h 40m

Chicago O'Hare Intl

seg 5/26

1:45 pm-11:30 am

2 stops14h 45m

$603

RomeChicago

FCO - MDW

FCOMDW

Rome Fiumicino

ter 6/17

6:30 am-6:41 pm

2 stops19h 11m

Chicago Midway

qua 7/23

6:20 pm-2:50 pm

2 stops13h 30m

$608

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

sex 5/16

11:55 am-6:25 pm

1 stop13h 30m

Chicago O'Hare Intl

dom 6/1

7:00 am-11:05 am

2 stops21h 05m

$618

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 39 results
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Compare providers for flights from Rome to Chicago

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Rome to Chicago in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightnetworkPrice Accuracy-Trust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars
Thrive TravelPrice Accuracy3 starsTrust Score*2 stars
PricelinePrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Rome-Chicago flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Rome-Chicago flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Rome-Chicago flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Rome-Chicago flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Rome-Chicago flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 April 25, 2025.

To ensure you get the cheapest price possible for a flight from Rome to Chicago, you should look to book at least 22 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 maio 1, 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 11% 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 maio 1, 2025.

The most flights from ROM to CHI are scheduled on a Thursday (11 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (8 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 maio 1, 2025.
Read through reviews of airlines operating flights from Rome to Chicago, such as Delta, KLM and LOT. 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
7,934 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
LOT
7.6
Good
1,069 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air France
7.4
Good
1,446 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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, Iberia ($545), United Airlines ($548), and British Airways ($550) offers the cheapest pricing from Rome to Chicago. Iberia is priced at 20% 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 TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at $485. Aer Lingus flights start at $494 while deals on Air Serbia start at $504 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 (79%), Air Canada (77%) and Austrian Airlines (75%).

  • What are the cheapest flights from Rome to Chicago?

    The cheapest flight price from Rome to Chicago is $542. On average you can expect to pay $1,233. The most popular route, (Rome Fiumicino - Chicago O'Hare Intl), can usually be booked for $468.

  • 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
Hammond
Benton Harbor
Porter
Lansing
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
Leonardo da Vinci/Fiumicino to St. Louis flights
Ciampino to O'Hare Intl 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 maio 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$536Average$956FlexibilityNo cancel feeOn-time71%
IberiaCheapest$550Average$733FlexibilityNo cancel feeOn-time77%
ITA AirwaysCheapest$550Average$706FlexibilityNo cancel feeOn-time81%
British AirwaysCheapest$599Average$768FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$632Average$783FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$639Average$838FlexibilityNo cancel feeOn-time76%

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