HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Rome

$209+ Cheap flights from Chicago (CHI) 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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — ROM
Aug 26 — Sep 21
Tue 8/26
Tue 9/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Chicago to Rome 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 Chicago to Rome are usually found in February or January, booked 56 days in advance, depart on a Tuesday or Monday and return on a Thursday

Cheap flight deals from Chicago to Rome

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Rome (ROM). 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 August 21, 2025.

Round-trip from

$438
(oojo)

One-way from

$209
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$762

Good round-trip deal

$673 or less

Good one-way deal

$368 or less
From Chicago (CHI) to Rome (ROM)
Search Deals
One-way flight from Chicago (CHI) to Rome (ROM)
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($231 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals
Price to beat on a round-trip flight from Chicago (CHI) to Rome (ROM).
Search Deals
Price to beat on a one-way flight from Chicago (CHI) to Rome (ROM).
Search Deals

Find flight deals from Chicago to Rome

Cheapest flights from Chicago to Rome
Explore the most affordable flight options available from Chicago to Rome. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2025.

This oojo deal was found by Cheapflights users on 8/20. 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.
Sun 9/216:00 pmORD - FCO
1 stop23h 10mTAP AIR PORTUGAL
Wed 10/17:50 pmFCO - ORD
1 stop23h 45mTAP AIR PORTUGAL
Deal found 8/20$438
This FlightHub deal was found by Cheapflights users on 8/19. 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 11/286:30 pmORD - FCO
1 stop12h 30mIcelandair
Sun 12/1411:25 amFCO - ORD
1 stop12h 55mIcelandair
Deal found 8/19$440
This Kiwi.com deal was found by Cheapflights users on 8/20. 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.
Tue 10/286:40 amORD - FCO
1 stop24h 50mMultiple Airlines
Fri 11/77:10 pmFCO - ORD
1 stop24h 35mMultiple Airlines
Deal found 8/20$441
This oojo deal was found by Cheapflights users on 8/19. 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.
Fri 10/319:15 pmORD - FCO
1 stop20h 50mTAP AIR PORTUGAL
Tue 11/117:35 pmFCO - ORD
1 stop26h 25mTAP AIR PORTUGAL
Deal found 8/19$442
This oojo deal was found by Cheapflights users on 8/19. 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.
Mon 9/226:10 pmORD - FCO
1 stop23h 00mTAP AIR PORTUGAL
Thu 10/25:45 pmFCO - ORD
1 stop29h 45mTAP AIR PORTUGAL
Deal found 8/19$443
This oojo deal was found by Cheapflights users on 8/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/277:30 pmORD - FCO
1 stop12h 30mIcelandair
Sun 11/911:25 amFCO - ORD
1 stop12h 55mIcelandair
Deal found 8/21$444
This oojo deal was found by Cheapflights users on 8/20. 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.
Sun 9/216:00 pmORD - FCO
1 stop23h 10mTAP AIR PORTUGAL
Thu 10/27:50 pmFCO - ORD
1 stop27h 40mTAP AIR PORTUGAL
Deal found 8/20$445
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 10/296:40 amORD - FCO
1 stop25h 00mMultiple Airlines
Wed 11/57:10 pmFCO - ORD
1 stop24h 35mMultiple Airlines
Deal found 8/20$446
This oojo deal was found by Cheapflights users on 8/18. 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.
Mon 10/277:30 pmORD - FCO
1 stop12h 30mIcelandair
Wed 11/511:25 amFCO - ORD
1 stop12h 55mIcelandair
Deal found 8/18$449
This oojo deal was found by Cheapflights users on 8/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/207:15 pmORD - FCO
1 stop32h 50mScandinavian Airlines
Sat 10/2510:50 amFCO - ORD
2 stops38h 05mScandinavian Airlines
Deal found 8/21$450
This oojo deal was found by Cheapflights users on 8/19. 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.
Thu 10/307:30 pmORD - FCO
1 stop12h 30mIcelandair
Wed 11/511:25 amFCO - ORD
1 stop12h 55mIcelandair
Deal found 8/19$451
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
Thu 11/135:56 pmMDW - FCO
1 stop13h 34mMultiple Airlines
Tue 11/187:10 pmFCO - MDW
2 stops24h 31mMultiple Airlines
Deal found 8/19$489

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago 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 August 21, 2025.
Use the filters below to find and compare flights from Chicago to Rome that are best for you.

Fly from

Chicago

Fly to

Rome

Route

Depart

Return

Price

ChicagoRome

ORD - FCO

ORDFCO

Chicago O'Hare Intl

Sun 11/30

7:20 pm-11:05 am

1 stop32h 45m

Rome Fiumicino

Sat 12/6

11:55 am-4:45 pm

1 stop35h 50m

$455

ChicagoRome

ORD - FCO

ORDFCO

Chicago O'Hare Intl

Thu 1/8

7:20 pm-11:05 am

1 stop32h 45m

Rome Fiumicino

Wed 1/14

11:55 am-4:45 pm

1 stop35h 50m

$455

ChicagoRome

ORD - FCO

ORDFCO

Chicago O'Hare Intl

Sat 11/29

7:20 pm-11:05 am

1 stop32h 45m

Rome Fiumicino

Sat 12/6

11:55 am-4:45 pm

1 stop35h 50m

$455

ChicagoRome

ORD - FCO

ORDFCO

Chicago O'Hare Intl

Wed 12/3

7:20 pm-11:05 am

1 stop32h 45m

Rome Fiumicino

Sat 12/6

11:55 am-4:45 pm

1 stop35h 50m

$455

ChicagoRome

ORD - FCO

ORDFCO

Chicago O'Hare Intl

Mon 12/1

7:20 pm-11:05 am

1 stop32h 45m

Rome Fiumicino

Sat 12/6

11:55 am-4:45 pm

1 stop35h 50m

$455

ChicagoRome

ORD - FCO

ORDFCO

Chicago O'Hare Intl

Thu 1/8

7:20 pm-11:05 am

1 stop32h 45m

Rome Fiumicino

Thu 1/15

11:55 am-4:45 pm

1 stop35h 50m

$455

ChicagoRome

ORD - FCO

ORDFCO

Chicago O'Hare Intl

Thu 1/8

7:20 pm-11:05 am

1 stop32h 45m

Rome Fiumicino

Tue 1/20

11:55 am-4:45 pm

1 stop35h 50m

$455

ChicagoRome

ORD - FCO

ORDFCO

Chicago O'Hare Intl

Sat 1/10

7:20 pm-6:30 pm

2 stops16h 10m

Rome Fiumicino

Wed 1/14

11:55 am-4:45 pm

1 stop35h 50m

$462

ChicagoRome

ORD - FCO

ORDFCO

Chicago O'Hare Intl

Sat 1/10

7:20 pm-6:30 pm

2 stops16h 10m

Rome Fiumicino

Tue 1/20

11:55 am-4:45 pm

1 stop35h 50m

$462

ChicagoRome

ORD - FCO

ORDFCO

Chicago O'Hare Intl

Fri 11/7

6:30 pm-2:00 pm

1 stop12h 30m

Rome Fiumicino

Sat 11/15

11:25 am-5:20 pm

1 stop12h 55m

$463

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/21

Showing 1-10 of 53 results
1
2
3
...
6

Best time to book a flight from Chicago to Rome

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

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

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Rome. Price data was last updated on August 8, 2025.

The price you pay for your flight from Chicago to Rome may vary depending on when you book. For the best chance of a lower fare, look to book 56 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Chicago to Rome (average of $644). Flying from Chicago to Rome in June is currently the most expensive (average of $1,136). 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 CHI to ROM?

Find hourly flight availability from Chicago 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 August 21, 2025.

One of the essential ways to save on airfare from Chicago to Rome is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 27% on airfare.

What is the cheapest day to fly from Chicago to Rome?

Use this chart to determine the cheapest time to fly round-trip from Chicago to Rome. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Chicago to Rome flight should consider departing on Wednesday evenings when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Chicago to Rome

Explore weekly flight availability from Chicago to Rome. 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 August 21, 2025.

The most flights from CHI to ROM are scheduled on a Wednesday (14 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (11 on average).

How much does it cost to fly round-trip from Chicago to Rome?

What’s the top layover airport for flights from Chicago to Rome?

Share of 1-stop round-trip flights from Chicago to Rome chosen by Cheapflights users in the past 12 months, using the same layover each way.

Istanbul (IST) – chosen by Cheapflights users on 30% of 1-stop itineraries from Chicago to Rome on Cheapflights.

What’s the cheapest layover airport for flights from Chicago to Rome?

Average round-trip fare for 1-stop flights from Chicago to Rome, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Reykjavik (KEF) is the most affordable 1-stop option, with an average round-trip price of $364.

What’s the fastest layover option from Chicago to Rome?

Shortest average travel time for 1-stop one-way flights from Chicago to Rome, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Dublin (DUB) have the shortest average one-way travel time for 1-stop routes: 11h 40m.

Which airport typically offers the quickest layover for flights from Chicago to Rome?

Average layover duration for 1-stop one-way flights from Chicago to Rome, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Reykjavik (KEF) offer the fastest connection on this route, with an average layover time of 1h 05m.

Reviews of airlines servicing Rome

Get insights into the airlines that provide service to Rome. 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 Rome. Reviews last updated August 21, 2025.
See what other customers who have flown with United Airlines, American Airlines, and TAP AIR PORTUGAL from Chicago to Rome have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,930 reviews

Overall

7.4

Crew

8.1

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,930 reviews
United Airlines
7.4
Good
8,930 reviews

Overall

7.4

Crew

8.1

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,930 reviews

Overall

7.4

Crew

8.1

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
TAP AIR PORTUGAL
7.1
Good
1,959 reviews
United Airlines
7.4
Good
8,930 reviews

Overall

7.4

Crew

8.1

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
ITA Airways
6.7
Okay
1,021 reviews
United Airlines
7.4
Good
8,930 reviews

Overall

7.4

Crew

8.1

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
British Airways
6.7
Okay
7,291 reviews
United Airlines
7.4
Good
8,930 reviews

Overall

7.4

Crew

8.1

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Chicago 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 Chicago to Rome?

    Airlines like Scandinavian Airlines, KLM, and Delta fly from Chicago to Rome in about 11h 55m. The time it takes to get you to your destination can typically vary by up to 20h 50m. Airlines will cover a distance of 4810 mi. This flight may include one or multiple stops.

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

    According to our current data, TAP AIR PORTUGAL ($358), Icelandair ($380), and SWISS ($394) offers the cheapest pricing from Chicago to Rome. These flights start at 52% lower than the current average price 3 months from now.

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

    While some choose either Chicago Midway - Rome Fiumicino or Chicago O'Hare Intl - Rome Ciampino, Chicago O'Hare Intl - Rome Fiumicino is the most popular route from Chicago to Rome.

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

    No one likes to see their flight delayed. When booking a flight from Chicago to Rome consider choosing Air Canada (63%), Austrian Airlines (63%) or United Airlines (63%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Chicago to Rome?

    Looking for the cheapest flight from Chicago to Rome? While on average our users pay $1,270, our data indicates the cheapest price to be $243. The most popular route (Chicago O'Hare Intl - Rome Fiumicino), is priced around $382.

  • Where are the most common layover locations when flying from Chicago to Rome?

    Chicago to Rome flights have a layover in Lisbon most often. Reykjavik is the second most popular location for layovers on flights from Chicago to Rome. Munich comes next as the third most popular layover location for Chicago to Rome flights.

  • What are some popular things to do or see while on a layover in Lisbon?

    Chiado, Praça do Marquês de Pombal, and Londres are currently the most popular points of interest in Lisbon at the moment. Those on a layover in Lisbon interested in visiting Chiado, Praça do Marquês de Pombal, or Londres can do so by traveling 4.5 mi, 3.6 mi, and 2.3 mi, respectively from Lisbon Humberto Delgado. Travelers can book a car rental at Lisbon Humberto Delgado for about $30 per day to make their sightseeing more efficient.

  • What are some popular points of interest to see during a layover in Reykjavik?

    Harpa, Hallgrímskirkja, and Laugardalslaug Geothermal Pool are the most popular attractions in Reykjavik if you're in need of something to do during your layover. Harpa, Hallgrímskirkja, and Laugardalslaug Geothermal Pool are located about 23.3 mi, 23.2 mi, and 24.6 mi, respectively from Reykjavik Keflavik Intl. Travelers can book a car rental at Reykjavik Keflavik Intl for about $63 per day to make their sightseeing more efficient.

  • What are points of interest worth seeing during a layover in Munich?

    Theresienwiese, Marienplatz, and Altes Rathaus are currently the most popular points of interest in Munich. Those on a layover in Munich interested in visiting Theresienwiese, Marienplatz, or Altes Rathaus can do so by traveling 18.8 mi, 17.8 mi, and 17.8 mi, respectively from Munich Franz Josef Strauss. Those on a layover in Munich in need of a rental car can book one at Munich Franz Josef Strauss for about $61.

  • Where are the least popular layover locations for Chicago to Rome flights?

    Chicago to Rome flights that have layovers will least frequently stop in Zurich. Frankfurt am Main follows Zurich in terms of the least common layover location on Chicago to Rome flights. Frankfurt am Main is followed by Dublin in terms of the least popular layover location for Chicago to Rome flights.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Chicago to Rome (average of $644). Flying from Chicago to Rome in June is currently the most expensive (average of $1,136). 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
Gaeta
Montepulciano
Santa Marinella

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.

Top 10 airlines flying from Chicago to Rome

Discover the top 10 airlines that operate flights from Chicago 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 August 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$358Average$489FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$380Average$559FlexibilityNo cancel feeOn-time76%
SWISSCheapest$394Average$728FlexibilityNo cancel feeOn-time79%
Scandinavian AirlinesCheapest$432Average$502FlexibilityNo cancel feeOn-time77%
KLMCheapest$455Average$727FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$458Average$791FlexibilityNo cancel feeOn-time77%
IberiaCheapest$466Average$907FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$500Average$681FlexibilityNo cancel feeOn-time67%
Aer LingusCheapest$506Average$763FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$525Average$886FlexibilityNo cancel feeOn-time76%

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.