HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
O'Hare Intl

$491+ Cheap flights from Fiumicino (FCO) 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.
FCO — ORD
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Leonardo da Vinci/Fiumicino to O'Hare Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Rome Fiumicino to Chicago O'Hare Intl are usually found in January or April, booked 74 days in advance, depart on a Thursday or Saturday and return on a Tuesday

Cheap flight deals from Leonardo da Vinci/Fiumicino to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Leonardo da Vinci/Fiumicino (FCO) 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 June 12, 2025.

Round-trip from

$646
(United Airlines)

One-way from

$491
(oojo)

Popular in

February

Cheapest in

January

Average price

$784

Good round-trip deal

$758 or less

Good one-way deal

$601 or less
From Rome Fiumicino to Chicago O'Hare Intl
Search Deals
One-way flight from Rome Fiumicino to Chicago O'Hare Intl
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($42 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals
Price to beat on a round-trip flight from Rome Fiumicino to Chicago O'Hare Intl.
Search Deals
Price to beat on a one-way flight from Rome Fiumicino to Chicago O'Hare Intl.
Search Deals

Find flight deals from Leonardo da Vinci/Fiumicino to O'Hare Intl

Cheapest flights from Leonardo da Vinci/Fiumicino to O'Hare Intl
Explore the most affordable flight options available from Leonardo da Vinci/Fiumicino to O'Hare Intl. 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 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
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.
Fri 12/59:45 amFCO - ORD
Nonstop10h 25mLufthansa
Sat 2/2810:35 pmORD - FCO
1 stop12h 05mLufthansa
Deal found 6/10$696

Cheapflights Fare Finder

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

Fly from

Leonardo da Vinci/Fiumicino

Fly to

O'Hare Intl

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 - 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

RomeChicago

FCO - ORD

FCOORD

Rome Fiumicino

Wed 9/17

9:25 am-1:10 pm

Nonstop10h 45m

Chicago O'Hare Intl

Sun 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 27 results
1
2
3

The best insider tips for Rome Fiumicino Airport 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 Fiumicino Airport to Chicago O'Hare Intl Airport trip
Airports
FCO

Consider using 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. The airport lacks moving walkways.

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 Leonardo da Vinci/Fiumicino to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Leonardo da Vinci/Fiumicino 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 Fiumicino Airport to Chicago O'Hare Intl Airport

How far ahead should I book a flight from Rome Fiumicino Airport to Chicago O'Hare Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Leonardo da Vinci/Fiumicino to O'Hare Intl. Price data was last updated on June 9, 2025.

To ensure you get the cheapest price possible for a flight from Rome Fiumicino Airport to Chicago O'Hare Intl Airport, you should look to book at least 74 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 Fiumicino Airport to Chicago O'Hare Intl Airport?

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

Find hourly flight availability from Leonardo da Vinci/Fiumicino 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 June 12, 2025.

One of the essential ways to save on airfare from Rome Fiumicino Airport to Chicago O'Hare Intl Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 37% on airfare.

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

Explore weekly flight availability from Leonardo da Vinci/Fiumicino 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 June 12, 2025.

The most flights from FCO 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 June 12, 2025.
See what other customers who have flown with Delta, LOT and Finnair from Rome to Chicago have to say. 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!
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 Leonardo da Vinci/Fiumicino 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 Fiumicino Airport to Chicago O'Hare Intl Airport round-trip?

    According to our current data, United Airlines ($646), Finnair ($649), and Aer Lingus ($650) offers the cheapest pricing from Rome Fiumicino Airport to Chicago O'Hare Intl Airport. These flights start at 13% lower than the current average price 3 months from now.

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

    The cheapest airlines for a one-way flight from Rome Fiumicino Airport to Chicago O'Hare Intl Airport are Icelandair ($491), Aer Lingus ($516), and Turkish Airlines ($535).

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

    No one likes to see their flight delayed. When booking a flight from Rome Fiumicino Airport to Chicago O'Hare Intl Airport consider choosing Ethiopian Air (84%), American Airlines (79%) or Alaska Airlines (79%) as they are the most reliable in getting you off to your destination on time.

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

    While on average a flight from Rome Fiumicino Airport to Chicago O'Hare Intl Airport is generally $1,261, our data shows the cheapest flight currently is $432. When looking at the most popular route, (Rome Fiumicino - Chicago O'Hare Intl), you can expect to pay $376 for that flight.

  • Can I find deals for flights from Leonardo da Vinci/Fiumicino to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Leonardo da Vinci/Fiumicino to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Leonardo da Vinci/Fiumicino 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 Leonardo da Vinci/Fiumicino to O'Hare Intl.

  • Can I find deals for business class flights from Leonardo da Vinci/Fiumicino to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Leonardo da Vinci/Fiumicino 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 Fiumicino Airport to Chicago O'Hare Intl Airport?

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

Book flights to Rome Fiumicino Airport if you plan to visit one of these locations
Schaumburg
Hoffman Estates
Rosemont
Beloit
Elgin
Racine
Skokie
Arlington Heights
Rockford
Naperville
Orland Park
Elk Grove Village
Tinley Park
Northbrook
Joliet
Merrillville
Bridgeview
Glenview
Des Plaines
Lake Geneva

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Leonardo da Vinci/Fiumicino to O'Hare Intl

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

Top 6 airlines flying from Leonardo da Vinci/Fiumicino to O'Hare Intl

Discover the top 6 airlines that operate flights from Leonardo da Vinci/Fiumicino 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 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%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.