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$346+ 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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — ROM
Dec 21 — Dec 281
Sun 12/21
Sun 12/28
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Chicago to Rome are usually found in November or January, booked 24 days in advance, depart on a Tuesday or Monday and return on a Thursday

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 November 21, 2025.

This oojo deal was found by Cheapflights users on 11/20. 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.
Fri 11/288:15 pmORD - FCO
1 stop20h 50mTAP AIR PORTUGAL
Fri 12/56:00 amFCO - ORD
1 stop16h 25mTAP AIR PORTUGAL
Deal found 11/20$410
This Booking.com deal was found by Cheapflights users on 11/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/37:10 pmORD - FCO
1 stop16h 35mTAP AIR PORTUGAL
Wed 12/106:00 amFCO - ORD
1 stop16h 00mTAP AIR PORTUGAL
Deal found 11/20$413
This oojo deal was found by Cheapflights users on 11/19. 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.
Wed 12/107:10 pmORD - FCO
1 stop33h 15mTAP AIR PORTUGAL
Tue 12/234:40 pmFCO - ORD
1 stop29h 20mTAP AIR PORTUGAL
Deal found 11/19$414
This KAYAK deal was found by Cheapflights users on 11/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/107:10 pmORD - FCO
1 stop13h 40mTAP AIR PORTUGAL
Wed 12/176:00 amFCO - ORD
1 stop16h 00mTAP AIR PORTUGAL
Deal found 11/19$418
This Kiwi.com deal was found by Cheapflights users on 11/19. 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.
Sun 12/78:25 pmORD - FCO
1 stop32h 00mTAP AIR PORTUGAL
Wed 12/176:00 amFCO - ORD
1 stop16h 00mTAP AIR PORTUGAL
Deal found 11/19$421
This FlightHub deal was found by Cheapflights users on 11/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/37:10 pmORD - FCO
1 stop16h 35mTAP AIR PORTUGAL
Tue 12/94:40 pmFCO - ORD
1 stop29h 20mTAP AIR PORTUGAL
Deal found 11/21$422
This oojo deal was found by Cheapflights users on 11/19. 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.
Wed 12/107:10 pmORD - FCO
1 stop21h 55mTAP AIR PORTUGAL
Fri 1/96:00 amFCO - ORD
1 stop16h 25mTAP AIR PORTUGAL
Deal found 11/19$424
This KAYAK deal was found by Cheapflights users on 11/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/66:30 pmORD - FCO
1 stop12h 30mIcelandair
Thu 12/1111:25 amFCO - ORD
1 stop12h 55mIcelandair
Deal found 11/19$425
This oojo deal was found by Cheapflights users on 11/21. 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.
Wed 12/107:10 pmORD - FCO
1 stop33h 15mTAP AIR PORTUGAL
Wed 4/14:45 amFCO - ORD
1 stop18h 15mTAP AIR PORTUGAL
Deal found 11/21$428
This oojo deal was found by Cheapflights users on 11/19. 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.
Tue 12/26:30 pmORD - FCO
1 stop12h 30mIcelandair
Wed 12/1011:25 amFCO - ORD
1 stop12h 55mIcelandair
Deal found 11/19$429
This oojo deal was found by Cheapflights users on 11/19. 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 12/58:15 pmORD - FCO
1 stop15h 30mTAP AIR PORTUGAL
Sun 12/75:45 amFCO - ORD
1 stop16h 00mTAP AIR PORTUGAL
Deal found 11/19$430
This Kiwi.com deal was found by Cheapflights users on 11/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/308:25 pmORD - FCO
1 stop20h 40mTAP AIR PORTUGAL
Thu 12/117:35 pmFCO - ORD
1 stop26h 50mTAP AIR PORTUGAL
Deal found 11/21$432

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 November 21, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$408
(CrystalTravel)

One-way from

$346
(Mytrip)

Popular in

June

Cheapest in

November

Average price

$578

Good round-trip deal

$761 or less

Good one-way deal

$481 or less
Provider with most accurate pricing for Chicago (CHI)-Rome (ROM) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Rome (ROM) flights.
Search Deals
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 ($234 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 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

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 November 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

Thu 2/26

6:30 pm-2:00 pm

1 stop12h 30m

Rome Fiumicino

Sun 3/1

11:25 am-5:20 pm

1 stop12h 55m

$506

ChicagoRome

ORD - FCO

ORDFCO

Chicago O'Hare Intl

Sun 2/22

5:10 pm-9:55 pm

1 stop21h 45m

Rome Fiumicino

Wed 3/4

7:50 am-1:50 pm

1 stop13h 00m

$510

ChicagoRome

ORD - FCO

ORDFCO

Chicago O'Hare Intl

Mon 2/23

3:45 pm-7:45 am

Nonstop9h 00m

Rome Fiumicino

Wed 3/4

9:45 am-1:10 pm

Nonstop10h 25m

$520

ChicagoRome

ORD - FCO

ORDFCO

Chicago O'Hare Intl

Wed 12/10

12:50 pm-9:25 am

1 stop13h 35m

Rome Fiumicino

Wed 12/17

9:45 am-1:10 pm

Nonstop10h 25m

$521

ChicagoRome

ORD - FCO

ORDFCO

Chicago O'Hare Intl

Wed 2/18

12:45 pm-7:55 am

1 stop12h 10m

Rome Fiumicino

Tue 3/3

9:45 am-1:10 pm

Nonstop10h 25m

$526

ChicagoRome

ORD - FCO

ORDFCO

Chicago O'Hare Intl

Tue 3/24

5:55 pm-5:10 pm

1 stop17h 15m

Rome Fiumicino

Tue 3/31

9:45 am-1:05 pm

Nonstop10h 20m

$530

ChicagoRome

MDW - FCO

MDWFCO

Chicago Midway

Tue 12/2

1:14 pm-7:55 am

1 stop11h 41m

Rome Fiumicino

Tue 12/9

10:05 am-6:00 pm

1 stop14h 55m

$536

ChicagoRome

MDW - FCO

MDWFCO

Chicago Midway

Wed 12/3

10:49 am-7:55 am

1 stop14h 06m

Rome Fiumicino

Thu 12/11

10:05 am-6:00 pm

1 stop14h 55m

$536

ChicagoRome

MDW - FCO

MDWFCO

Chicago Midway

Wed 2/18

1:28 pm-11:45 am

2 stops15h 17m

Rome Fiumicino

Tue 3/3

6:10 am-5:37 pm

2 stops18h 27m

$540

ChicagoRome

ORD - FCO

ORDFCO

Chicago O'Hare Intl

Wed 3/11

9:30 am-9:10 am

2 stops17h 40m

Rome Fiumicino

Tue 3/17

6:10 am-6:46 pm

2 stops18h 36m

$546

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 60 results
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Compare providers for flights from Chicago to Rome

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 Chicago to Rome in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*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 Chicago-Rome flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Chicago-Rome flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Chicago-Rome flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Rome flights, Cheapflights users trust eDreams the most. eDreams 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 Chicago-Rome 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 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 November 14, 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 24 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, December is the cheapest month in which you can book a flight from Chicago to Rome (average of $359). Flying from Chicago to Rome in June is currently the most expensive (average of $718). 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 November 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 in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 38% 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 Sunday evenings when fares are most often at their lowest. Tuesday mornings 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 November 21, 2025.

The most flights from CHI to ROM are scheduled on a Monday (6 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (5 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.

Reykjavik (KEF) – 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.

Lisbon (LIS) is the most affordable 1-stop option, with an average round-trip price of $431.

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 00m.

How often are flights from Chicago to Rome delayed?

About 27% of weekly flights between Chicago and Rome have experienced delays in the past year, with the average delay time being 161 minutes.

What is the most punctual flight time for Chicago to Rome flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Chicago to Rome flights?

Over the last year, United Airlines have had the lowest number of delays on this route, with just 24% of flights being delayed.

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 November 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
9,029 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,029 reviews
United Airlines
7.4
Good
9,029 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,047 reviews
United Airlines
7.4
Good
9,029 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
TAP AIR PORTUGAL
7.1
Good
2,070 reviews
United Airlines
7.4
Good
9,029 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
ITA Airways
6.7
Okay
1,086 reviews
United Airlines
7.4
Good
9,029 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
British Airways
6.7
Okay
7,533 reviews
United Airlines
7.4
Good
9,029 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 Icelandair, British Airways, and United Airlines fly from Chicago to Rome in about 9h. The time it takes to get you to your destination can typically vary by up to 12h 45m. Airlines will cover a distance of 4808 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 ($338), Air Canada ($390), and Icelandair ($392) offers the cheapest pricing from Chicago to Rome. These flights start at 55% lower than the current average price 3 months from now.

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

    One-way options have recently been found by users for as low as $350 on SWISS. Other airlines that offer cheap prices include Delta from $403 and KLM from $403 one-way.

  • 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 SAUDIA (70%), Etihad Airways (70%) or ITA Airways (70%) 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 $1,674, our data indicates the cheapest price to be $398. The most popular route (Chicago O'Hare Intl - Rome Fiumicino), is priced around $332.

  • 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 $19 per day to make their sightseeing more efficient.

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

    Hallgrímskirkja, Harpa, and Laugardalslaug Geothermal Pool are the most popular attractions in Reykjavik if you're in need of something to do during your layover. Hallgrímskirkja, Harpa, and Laugardalslaug Geothermal Pool are located about 23.2 mi, 23.3 mi, and 24.6 mi, respectively from Reykjavik Keflavik Intl. Travelers can book a car rental at Reykjavik Keflavik Intl for about $48 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 $44.

  • 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. Dublin follows Zurich in terms of the least common layover location on Chicago to Rome flights. Dublin is followed by London 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, December is the cheapest month in which you can book a flight from Chicago to Rome (average of $359). Flying from Chicago to Rome in June is currently the most expensive (average of $718). 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
Montepulciano
Santa Marinella

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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 November 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$338Average$489FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$390Average$748FlexibilityNo cancel feeOn-time67%
IcelandairCheapest$392Average$561FlexibilityNo cancel feeOn-time76%
IberiaCheapest$415Average$900FlexibilityNo cancel feeOn-time77%
SWISSCheapest$416Average$714FlexibilityNo cancel feeOn-time79%
Scandinavian AirlinesCheapest$428Average$501FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$458Average$791FlexibilityNo cancel feeOn-time77%
DeltaCheapest$481Average$774FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$506Average$892FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$512Average$740FlexibilityNo cancel feeOn-time75%

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