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O'Hare Intl

$491+ Cheap flights from Rome (ROM) to O'Hare Intl (ORD)

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 — ORD
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheap flight deals from Rome to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Rome (ROM) to O'Hare Intl (ORD). 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 junio 12, 2025.

Round-trip from

$646
(United Airlines)

One-way from

$491
(oojo)

Popular in

January

Cheapest in

February

Average price

$655

Good round-trip deal

$758 or less

Good one-way deal

$601 or less
From Rome (ROM) to Chicago O'Hare Intl
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One-way flight from Rome (ROM) to Chicago O'Hare Intl
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Highest demand for flights based on searches. 9% potential increase in price ($78 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($26 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 O'Hare Intl.
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Price to beat on a one-way flight from Rome (ROM) to Chicago O'Hare Intl.
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Find flight deals from Rome to O'Hare Intl

Cheapest flights from Rome to O'Hare Intl
Explore the most affordable flight options available from Rome to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 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.
jue. 11/131:30 pmFCO - ORD
2 stops28h 28mUnited Airlines
mar. 11/181:00 pmORD - FCO
2 stops14h 55mUnited Airlines
Deal found 6/10$646
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.
dom. 8/3111:05 amFCO - ORD
Nonstop10h 25mFinnair
vie. 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.
vie. 8/157:30 amFCO - ORD
1 stop13h 30mAer Lingus
lun. 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.
lun. 9/2910:20 amFCO - ORD
1 stop15h 30mIberia
sáb. 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.
lun. 9/296:30 amFCO - ORD
1 stop15h 10mDelta
sáb. 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.
mié. 7/93:45 pmFCO - ORD
1 stop12h 30mIcelandair
mié. 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.
jue. 10/237:05 pmFCO - ORD
2 stops29h 45mMultiple Airlines
lun. 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.
lun. 9/227:00 amFCO - ORD
2 stops15h 04mAir Canada
dom. 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.
vie. 7/1111:05 amFCO - ORD
Nonstop10h 25mBritish Airways
jue. 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.
mié. 9/179:25 amFCO - ORD
Nonstop10h 45mITA Airways
dom. 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.
lun. 6/2312:10 pmFCO - ORD
1 stop16h 15mAmerican Airlines
sáb. 7/1211:52 amORD - FCO
1 stop16h 28mAmerican Airlines
Deal found 6/11$689
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/59:45 amFCO - ORD
Nonstop10h 25mLufthansa
sáb. 2/2810:35 pmORD - FCO
1 stop12h 05mLufthansa
Deal found 6/10$696

Cheapflights Fare Finder

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

Fly from

Rome

Fly to

O'Hare Intl

Route

Depart

Return

Price

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

jue. 11/13

1:30 pm-10:58 am

2 stops28h 28m

Chicago O'Hare Intl

mar. 11/18

1:00 pm-10:55 am

2 stops14h 55m

$646

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

dom. 8/31

11:05 am-2:30 pm

Nonstop10h 25m

Chicago O'Hare Intl

vie. 9/5

4:54 pm-7:05 am

1 stop31h 11m

$649

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

vie. 8/15

7:30 am-2:00 pm

1 stop13h 30m

Chicago O'Hare Intl

lun. 9/1

3:45 pm-10:25 am

1 stop11h 40m

$650

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

lun. 9/29

10:20 am-6:50 pm

1 stop15h 30m

Chicago O'Hare Intl

sáb. 10/11

4:42 pm-11:20 am

1 stop11h 38m

$651

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

lun. 9/29

6:30 am-2:40 pm

1 stop15h 10m

Chicago O'Hare Intl

sáb. 10/11

2:10 pm-11:30 am

2 stops14h 20m

$652

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

mié. 7/9

3:45 pm-9:15 pm

1 stop12h 30m

Chicago O'Hare Intl

mié. 7/16

10:15 pm-2:35 pm

1 stop33h 20m

$653

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

jue. 10/23

7:05 pm-5:50 pm

2 stops29h 45m

Chicago O'Hare Intl

lun. 10/27

6:00 am-1:30 pm

2 stops25h 30m

$655

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

lun. 9/22

7:00 am-3:04 pm

2 stops15h 04m

Chicago O'Hare Intl

dom. 10/5

2:08 pm-9:15 am

1 stop12h 07m

$657

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

vie. 7/11

11:05 am-2:30 pm

Nonstop10h 25m

Chicago O'Hare Intl

jue. 7/24

7:10 pm-3:55 pm

1 stop13h 45m

$666

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

mié. 9/17

9:25 am-1:10 pm

Nonstop10h 45m

Chicago O'Hare Intl

dom. 9/21

3:00 pm-7:25 am

Nonstop9h 25m

$675

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 29 results
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The best insider tips for Rome to Chicago O'Hare Intl Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Rome to Chicago O'Hare Intl Airport trip
Airports
FCO

Use the Fast Track at FCO for a quicker security and passport control experience, available for a nominal fee.

Read more about FCOby Robert Schrader
ORD

Prepare for long walks at ORD, especially from Terminal 5 to immigration. No moving walkways are available.

Read more about ORDby Ramsey Qubein
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on ORD

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
Robert Schrader

Robert Schrader

Expert on FCO

Robert Schrader

Robert Schrader

One of the web's original travel bloggers, Robert launched his first site Leave Your Daily Hell in 2009. Since then, he's expanded into destination niche sites (one each for Japan, Thailand and Taiwan), in addition to having written for the inflight magazines of Singapore Airlines and Korean Air. Overall, he's visited nearly 100 countries, and flies business as often as possible.

Read more

Best time to book a flight from Rome to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl 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 O'Hare Intl Airport

What is the cheapest month to book a flight from Rome to Chicago O'Hare Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Rome to Chicago O'Hare Intl Airport (average of $245). Flying from Rome to Chicago O'Hare Intl Airport 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 ORD?

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

It’s optimal to fly from Rome to Chicago O'Hare Intl Airport in the afternoon. By choosing this option you can save up to 25% on the cost of your flight, compared to a flight in the evening.

Weekly flight availability from Rome to Chicago O'Hare Intl Airport

Explore weekly flight availability from Rome to O'Hare Intl. 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 junio 12, 2025.

The most flights from ROM to ORD 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 O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport 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 O'Hare Intl Airport when rainfall is around 1.7 in.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, 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 O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated junio 12, 2025.
Read through reviews of airlines operating flights from Rome to Chicago, such as Delta, LOT and Finnair. Users can see the overall rating for each airline as well as how each is rated 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!
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!
Air France
7.5
Good
1,463 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!
SWISS
7.5
Good
1,623 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 O'Hare Intl. 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 O'Hare Intl Airport round-trip?

    Cheapflights users have booked flights from Rome to Chicago O'Hare Intl Airport round-trip from $646. Other airlines that can offer you cheap pricing are Finnair, from $649, and Aer Lingus, from $650. These flights start at 11% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Rome to Chicago O'Hare Intl Airport one-way?

    One-way options have recently been found by users for as low as $491 on Icelandair. Other airlines that offer cheap prices include Aer Lingus from $516 and Turkish Airlines from $535 one-way.

  • What are the most reliable airlines from Rome to Chicago O'Hare Intl Airport?

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

  • What are the cheapest flights from Rome to Chicago O'Hare Intl Airport?

    On average you can expect to pay $1,261 for a flight from Rome to Chicago O'Hare Intl Airport. The cheapest flight overall is $432 while the most popular route, (Rome Fiumicino - Chicago O'Hare Intl) is currently priced at $376.

  • Can I find deals for flights from Rome to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Rome to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Rome to O'Hare Intl?

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

  • Can I find deals for business class flights from Rome to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Rome to O'Hare Intl 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 O'Hare Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Rome to Chicago O'Hare Intl Airport (average of $245). Flying from Rome to Chicago O'Hare Intl Airport 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?

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Alternative routes for Rome to O'Hare Intl

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

Top 6 airlines flying from Rome to O'Hare Intl

Discover the top 6 airlines that operate flights from Rome to O'Hare Intl. 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 junio 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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