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$204+ 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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — ROM
Oct 19 — Oct 261
Sun 10/19
Sun 10/26
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago to Rome are usually found in February or January, booked 56 days in advance, depart on a Monday or Tuesday 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 September 19, 2025.

Round-trip from

$466
(FlightHub)

One-way from

$204
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$850

Good round-trip deal

$757 or less

Good one-way deal

$461 or less
From Chicago (CHI) to Rome (ROM)
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One-way flight from Chicago (CHI) to Rome (ROM)
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Highest demand for flights based on searches. 22% potential increase in price ($225 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Chicago (CHI) to Rome (ROM).
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Price to beat on a one-way flight from Chicago (CHI) to Rome (ROM).
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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 September 19, 2025.

This FlightHub deal was found by Cheapflights users on 9/17. 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.
Mon 10/2010:40 amORD - FCO
1 stop15h 35mMultiple Airlines
Mon 11/32:20 pmFCO - ORD
1 stop35h 05mMultiple Airlines
Deal found 9/17$466
This Cheapflightsfares deal was found by Cheapflights users on 9/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/277:50 pmORD - FCO
1 stop12h 10mSWISS
Fri 11/79:35 amFCO - ORD
1 stop13h 45mSWISS
Deal found 9/18$468
This Air Canada deal was found by Cheapflights users on 9/17. 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.
Tue 10/2110:40 amORD - FCO
2 stops16h 35mMultiple Airlines
Tue 11/47:00 amFCO - ORD
2 stops17h 48mMultiple Airlines
Deal found 9/17$469
This United Airlines deal was found by Cheapflights users on 9/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/195:55 pmORD - FCO
1 stop16h 15mUnited Airlines
Wed 12/179:45 amFCO - ORD
Nonstop10h 25mUnited Airlines
Deal found 9/18$470
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/46:50 pmORD - FCO
1 stop12h 10mSWISS
Wed 11/199:35 amFCO - ORD
1 stop13h 45mSWISS
Deal found 9/18$471
This Cheapflightsfares deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/56:50 pmORD - FCO
1 stop17h 35mSWISS
Fri 11/149:35 amFCO - ORD
1 stop13h 45mSWISS
Deal found 9/17$472
This Ovago deal was found by Cheapflights users on 9/17. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/223:45 pmORD - FCO
Nonstop9h 10mSWISS
Mon 11/38:15 pmFCO - ORD
1 stop27h 05mSWISS
Deal found 9/17$474
This British Airways deal was found by Cheapflights users on 9/17. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/99:45 pmORD - FCO
1 stop15h 10mBritish Airways
Mon 11/2412:20 pmFCO - ORD
1 stop32h 30mBritish Airways
Deal found 9/17$475
This American Airlines deal was found by Cheapflights users on 9/17. 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.
Sun 11/96:30 pmORD - FCO
1 stop13h 00mAmerican Airlines
Tue 11/257:25 amFCO - ORD
1 stop15h 00mAmerican Airlines
Deal found 9/17$476
This United Airlines deal was found by Cheapflights users on 9/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/36:50 pmORD - FCO
1 stop12h 10mUnited Airlines
Fri 11/217:00 amFCO - ORD
1 stop18h 25mUnited Airlines
Deal found 9/18$477
This Delta deal was found by Cheapflights users on 9/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/910:47 amMDW - FCO
1 stop14h 08mDelta
Tue 11/2512:40 pmFCO - MDW
1 stop17h 52mDelta
Deal found 9/18$483
This KLM deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/21:14 pmMDW - FCO
1 stop11h 41mKLM
Thu 12/1110:05 amFCO - MDW
1 stop14h 55mKLM
Deal found 9/17$490

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 September 19, 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 11/9

5:10 pm-9:55 pm

1 stop21h 45m

Rome Fiumicino

Tue 11/25

12:20 pm-6:45 pm

1 stop13h 25m

$478

ChicagoRome

MDW - FCO

MDWFCO

Chicago Midway

Sun 11/9

10:47 am-7:55 am

1 stop14h 08m

Rome Fiumicino

Tue 11/25

12:40 pm-9:51 am

1 stop28h 11m

$485

ChicagoRome

ORD - FCO

ORDFCO

Chicago O'Hare Intl

Tue 11/4

6:50 pm-2:00 pm

1 stop12h 10m

Rome Fiumicino

Tue 11/11

7:05 am-7:30 pm

2 stops19h 25m

$491

ChicagoRome

MDW - FCO

MDWFCO

Chicago Midway

Tue 11/18

1:14 pm-7:55 am

1 stop11h 41m

Rome Fiumicino

Tue 12/16

10:05 am-6:00 pm

1 stop14h 55m

$491

ChicagoRome

MDW - FCO

MDWFCO

Chicago Midway

Mon 11/17

10:47 am-7:55 am

1 stop14h 08m

Rome Fiumicino

Tue 12/16

10:05 am-6:00 pm

1 stop14h 55m

$491

ChicagoRome

ORD - FCO

ORDFCO

Chicago O'Hare Intl

Fri 11/28

12:50 pm-8:55 am

1 stop13h 05m

Rome Fiumicino

Thu 12/11

9:45 am-1:10 pm

Nonstop10h 25m

$492

ChicagoRome

MDW - FCO

MDWFCO

Chicago Midway

Wed 12/10

9:34 am-10:30 am

2 stops17h 56m

Rome Fiumicino

Tue 12/23

12:40 pm-10:16 pm

1 stop16h 36m

$495

ChicagoRome

MDW - FCO

MDWFCO

Chicago Midway

Tue 11/18

1:14 pm-7:55 am

1 stop11h 41m

Rome Fiumicino

Wed 12/17

9:20 am-11:32 pm

2 stops21h 12m

$495

ChicagoRome

ORD - FCO

ORDFCO

Chicago O'Hare Intl

Wed 10/29

10:37 am-6:05 am

1 stop13h 28m

Rome Fiumicino

Wed 11/5

6:10 am-5:22 pm

2 stops18h 12m

$513

ChicagoRome

ORD - FCO

ORDFCO

Chicago O'Hare Intl

Fri 10/31

10:50 pm-11:00 pm

1 stop18h 10m

Rome Fiumicino

Fri 11/7

9:45 am-1:10 pm

Nonstop10h 25m

$514

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 58 results
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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 September 12, 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 $1,130). 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 September 19, 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 September 19, 2025.

The most flights from CHI to ROM are scheduled on a Monday (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.

Reykjavik (KEF) – chosen by Cheapflights users on 32% 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 00m.

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 September 19, 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
8,926 reviews

Overall

7.4

Crew

8.1

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
United Airlines
7.4
Good
8,926 reviews
United Airlines
7.4
Good
8,926 reviews

Overall

7.4

Crew

8.1

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,926 reviews

Overall

7.4

Crew

8.1

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
TAP AIR PORTUGAL
7.1
Good
1,978 reviews
United Airlines
7.4
Good
8,926 reviews

Overall

7.4

Crew

8.1

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
ITA Airways
6.7
Okay
1,037 reviews
United Airlines
7.4
Good
8,926 reviews

Overall

7.4

Crew

8.1

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
British Airways
6.7
Okay
7,373 reviews
United Airlines
7.4
Good
8,926 reviews

Overall

7.4

Crew

8.1

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

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 British Airways, Delta, and United Airlines fly from Chicago to Rome in about 12h 10m. The time it takes to get you to your destination can typically vary by up to 9h 35m. 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 ($357), Icelandair ($382), and SWISS ($413) 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 Kuwait Airways (78%), SAUDIA (67%) or Etihad Airways (67%) 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 $1,232, our data indicates the cheapest price to be $376. The most popular route (Chicago O'Hare Intl - Rome Fiumicino), is priced around $372.

  • 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?

    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 $56 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 $62.

  • 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 $1,130). 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
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Montepulciano
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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 September 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$357Average$484FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$382Average$585FlexibilityNo cancel feeOn-time76%
SWISSCheapest$413Average$712FlexibilityNo cancel feeOn-time79%
Scandinavian AirlinesCheapest$430Average$501FlexibilityNo cancel feeOn-time77%
IberiaCheapest$431Average$905FlexibilityNo cancel feeOn-time77%
KLMCheapest$455Average$740FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$458Average$791FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$500Average$666FlexibilityNo cancel feeOn-time67%
Aer LingusCheapest$506Average$792FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$525Average$895FlexibilityNo cancel feeOn-time76%

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