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Everything you should know
Flight Deals
Cheap Flights from Rome to O'Hare Intl (ROM-ORD)
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Rome to O'Hare Intl that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.
Recent round-trip flight deals from Rome to O'Hare Intl
Wed, Dec 2 - Wed, Dec 9
11:25 am - 5:20 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl
12h 55m1 stop Reykjavik Keflavik Intl
6:30 pm - 2:00 pmORD Chicago O'Hare Intl-FCO Rome Fiumicino
12h 30m1 stop Reykjavik Keflavik Intl
$613Icelandair
Mon, Apr 26 - Wed, May 26
11:10 am - 7:15 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl
15h 05m1 stop Dublin
9:00 pm - 7:55 pmORD Chicago O'Hare Intl-FCO Rome Fiumicino
15h 55m1 stop Dublin
$614Aer Lingus
Wed, Dec 2 - Wed, Dec 9
11:25 am - 5:20 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl
12h 55m1 stop Reykjavik Keflavik Intl
6:30 pm - 2:00 pmORD Chicago O'Hare Intl-FCO Rome Fiumicino
12h 30m1 stop Reykjavik Keflavik Intl
$617Icelandair
Tue, Feb 23 - Sat, Feb 27
12:00 pm - 9:31 amFCO Rome Fiumicino-ORD Chicago O'Hare Intl
28h 31m2 stops Madrid Barajas New York John F Kennedy Intl
9:45 pm - 9:00 amORD Chicago O'Hare Intl-FCO Rome Fiumicino
28h 15m1 stop Philadelphia
$667American Airlines
Tue, Feb 23 - Sat, Feb 27
1:00 pm - 8:24 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl
14h 24m1 stop Philadelphia
6:20 pm - 9:00 amORD Chicago O'Hare Intl-FCO Rome Fiumicino
31h 40m1 stop Philadelphia
$674American Airlines
Mon, Nov 23 - Mon, Dec 7
7:30 am - 2:55 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl
14h 25m1 stop Madrid Barajas
5:40 pm - 1:55 pmORD Chicago O'Hare Intl-FCO Rome Fiumicino
13h 15m1 stop Madrid Barajas
$688American Airlines
Fri, Mar 5 - Sat, Mar 13
9:45 am - 1:10 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl
10h 25mnonstop
9:50 pm - 6:00 pmORD Chicago O'Hare Intl-FCO Rome Fiumicino
13h 10m1 stop Munich Franz Josef Strauss
$690United Airlines
Thu, Nov 26 - Fri, Dec 11
11:00 am - 6:54 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl
14h 54m1 stop Washington, D.C. Dulles Intl
3:40 pm - 7:45 amORD Chicago O'Hare Intl-FCO Rome Fiumicino
9h 05mnonstop
$787United Airlines
Tue, Nov 24 - Wed, Dec 16
9:45 am - 1:10 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl
10h 25mnonstop
12:55 pm - 7:55 amORD Chicago O'Hare Intl-FCO Rome Fiumicino
12h 00m1 stop Newark
$817United Airlines
Sun, Nov 22 - Fri, Nov 27
10:15 am - 7:00 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl
15h 45m1 stop Boston Logan Intl
10:30 am - 7:15 amORD Chicago O'Hare Intl-FCO Rome Fiumicino
13h 45m1 stop Boston Logan Intl
$1,750ITA Airways
Recent one-way flight deals from Rome to O'Hare Intl
Sat, Jan 16
9:20 am - 5:20 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl
39h 00m2 stops Gdansk Rebiechowo Reykjavik Keflavik Intl
$369Multiple Airlines
Sat, Jan 23
9:20 am - 5:20 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl
39h 00m2 stops Gdansk Rebiechowo Reykjavik Keflavik Intl
$373Multiple Airlines
Sat, Jan 30
9:20 am - 5:20 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl
39h 00m2 stops Gdansk Rebiechowo Reykjavik Keflavik Intl
$379Multiple Airlines
Sat, Jan 30
7:30 am - 2:55 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl
14h 25m1 stop Madrid Barajas
$419American Airlines
Thu, Feb 25
7:30 am - 2:55 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl
14h 25m1 stop Madrid Barajas
$422American Airlines
Sun, Jan 10
8:40 pm - 7:25 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl
29h 45m1 stop London Heathrow
$439American Airlines
Tue, Apr 6
9:45 am - 1:05 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl
10h 20mnonstop
$531United Airlines
Mon, Apr 5
10:00 am - 11:42 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl
20h 42m3 stops Frankfurt am Main Boston Logan Intl Newark
$576United Airlines
Mon, May 3
9:20 am - 1:10 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl
10h 50mnonstop
$1,478ITA Airways
Mon, May 3
9:20 am - 1:10 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl
10h 50mnonstop
$3,585ITA Airways
Recent last minute flight deals from Rome to O'Hare Intl
Sat, Nov 7 - Tue, Jan 26
11:25 am - 5:20 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl
12h 55m1 stop Reykjavik Keflavik Intl
6:30 pm - 2:00 pmORD Chicago O'Hare Intl-FCO Rome Fiumicino
12h 30m1 stop Reykjavik Keflavik Intl
$647Icelandair
Fri, Nov 6 - Sat, Jan 30
11:25 am - 5:20 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl
12h 55m1 stop Reykjavik Keflavik Intl
6:30 pm - 2:00 pmORD Chicago O'Hare Intl-FCO Rome Fiumicino
12h 30m1 stop Reykjavik Keflavik Intl
$653Icelandair
Sat, Nov 7 - Thu, Jan 28
11:25 am - 5:20 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl
12h 55m1 stop Reykjavik Keflavik Intl
6:30 pm - 2:00 pmORD Chicago O'Hare Intl-FCO Rome Fiumicino
12h 30m1 stop Reykjavik Keflavik Intl
$653Icelandair
Fri, Nov 6 - Tue, Jan 26
11:25 am - 5:20 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl
12h 55m1 stop Reykjavik Keflavik Intl
6:30 pm - 2:00 pmORD Chicago O'Hare Intl-FCO Rome Fiumicino
12h 30m1 stop Reykjavik Keflavik Intl
$653Icelandair
Sat, Nov 7 - Sun, Nov 22
11:00 am - 8:30 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl
16h 30m1 stop Philadelphia
5:40 pm - 1:55 pmORD Chicago O'Hare Intl-FCO Rome Fiumicino
13h 15m1 stop Madrid Barajas
$672American Airlines
Sat, Nov 7 - Sun, Nov 22
11:00 am - 7:26 amFCO Rome Fiumicino-ORD Chicago O'Hare Intl
27h 26m2 stops Philadelphia Washington, D.C. Reagan-National
5:40 pm - 7:30 pmORD Chicago O'Hare Intl-FCO Rome Fiumicino
18h 50m1 stop Madrid Barajas
$672American Airlines
Mon, Nov 9 - Sun, Nov 22
11:00 am - 7:27 amFCO Rome Fiumicino-ORD Chicago O'Hare Intl
27h 27m1 stop Philadelphia
5:40 pm - 7:30 pmORD Chicago O'Hare Intl-FCO Rome Fiumicino
18h 50m1 stop Madrid Barajas
$700American Airlines
Mon, Nov 9 - Mon, Nov 16
9:55 am - 10:18 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl
19h 23m2 stops Frankfurt am Main Newark
12:59 pm - 7:55 amORD Chicago O'Hare Intl-FCO Rome Fiumicino
11h 56m1 stop Newark
$863United Airlines
Mon, Nov 9 - Sun, Nov 22
9:45 am - 1:10 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl
10h 25mnonstop
6:50 pm - 2:00 pmORD Chicago O'Hare Intl-FCO Rome Fiumicino
12h 10m1 stop Zurich
$869United Airlines
Sun, Nov 8 - Sun, Nov 22
9:45 am - 1:10 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl
10h 25mnonstop
6:50 pm - 2:00 pmORD Chicago O'Hare Intl-FCO Rome Fiumicino
12h 10m1 stop Zurich
$871United Airlines
Recent direct flight deals from Rome to O'Hare Intl
Mon, Mar 1 - Wed, Mar 31
9:45 am - 1:10 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl
10h 25mnonstop
3:40 pm - 7:55 amORD Chicago O'Hare Intl-FCO Rome Fiumicino
9h 15mnonstop
$689Lufthansa
Tue, Apr 27 - Thu, May 27
10:00 am - 1:30 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl
10h 30mnonstop
6:10 pm - 10:20 amORD Chicago O'Hare Intl-FCO Rome Fiumicino
9h 10mnonstop
$745British Airways
Mon, Apr 26 - Thu, May 27
10:00 am - 1:30 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl
10h 30mnonstop
6:10 pm - 10:20 amORD Chicago O'Hare Intl-FCO Rome Fiumicino
9h 10mnonstop
$745British Airways
Sun, Apr 25 - Thu, May 27
10:00 am - 1:30 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl
10h 30mnonstop
6:10 pm - 10:20 amORD Chicago O'Hare Intl-FCO Rome Fiumicino
9h 10mnonstop
$745British Airways
Mon, Apr 26 - Wed, May 26
10:00 am - 1:30 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl
10h 30mnonstop
6:10 pm - 10:20 amORD Chicago O'Hare Intl-FCO Rome Fiumicino
9h 10mnonstop
$776Iberia
Mon, Apr 26 - Wed, May 26
10:00 am - 1:30 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl
10h 30mnonstop
6:10 pm - 10:20 amORD Chicago O'Hare Intl-FCO Rome Fiumicino
9h 10mnonstop
$821Multiple Airlines
Sun, Apr 25 - Wed, May 26
10:00 am - 1:30 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl
10h 30mnonstop
6:10 pm - 10:20 amORD Chicago O'Hare Intl-FCO Rome Fiumicino
9h 10mnonstop
$821British Airways
Tue, Apr 27 - Wed, May 26
10:00 am - 1:30 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl
10h 30mnonstop
6:10 pm - 10:20 amORD Chicago O'Hare Intl-FCO Rome Fiumicino
9h 10mnonstop
$821British Airways
Wed, Dec 2 - Wed, Dec 9
9:45 am - 1:10 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl
10h 25mnonstop
3:40 pm - 7:45 amORD Chicago O'Hare Intl-FCO Rome Fiumicino
9h 05mnonstop
$872United Airlines
Fri, Dec 4 - Mon, Dec 14
9:45 am - 1:10 pmFCO Rome Fiumicino-ORD Chicago O'Hare Intl
10h 25mnonstop
3:40 pm - 7:45 amORD Chicago O'Hare Intl-FCO Rome Fiumicino
9h 05mnonstop
$872United Airlines
Booking Insights
Price, demand and travel trends for Rome to Chicago O'Hare Intl Airport flights
Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.
Prices
Airlines
Delays
Layovers
More
How much is a round-trip flight from Rome to Chicago O'Hare Intl Airport?
This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Rome to Chicago O'Hare Intl Airport departing in december.What is the cheapest Rome to Chicago O'Hare Intl Airport flight route?
KAYAK tracks online flight deals over the last 12 months and analyzes pricing trends to identify the best available fares.There's little price difference between Rome to Chicago O'Hare Intl Airport routes. They average around $803 round-trip, based on KAYAK data over the past 12 months.
What's the cheapest day of the week to fly from Rome to Chicago O'Hare Intl Airport?
Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from Rome to Chicago O'Hare Intl Airport. It’s 9% cheaper than the average day, while Sunday is the most expensive, with prices 15% higher.
What’s the cheapest month to fly from Rome to Chicago O'Hare Intl Airport?
KAYAK internal proprietary data takes all prices for each month over the last 12 months for round-trip flights from Rome to Chicago O'Hare Intl Airport, removes the top 0.1% to account for outliers and then takes the median of all values for each month.•September is the cheapest month to fly from Rome to Chicago O'Hare Intl Airport at $682 round-trip.
•June ($898) and August ($855) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 31% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.When are flights from Rome to Chicago O'Hare Intl Airport the cheapest?
Flights from Rome to Chicago O'Hare Intl Airport are cheapest 25 weeks before departure. Booking in this window typically costs about 17% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.
Round-trip flights from Rome to Chicago O'Hare Intl Airport typically range from $690 to $937. The lowest price found in the past 5 days was $613, on Icelandair.
Which airline is the cheapest to fly from Rome to Chicago O'Hare Intl Airport?
Icelandair ($613) and Aer Lingus ($614) are the cheapest airlines to fly round-trip from Rome to Chicago O'Hare Intl Airport according to KAYAK data over the last 5 days.
Which airline offers the most nonstop flights between Rome and Chicago O'Hare Intl Airport?
United Airlines and Ethiopian Air offer the most frequent nonstop flights from Rome to Chicago O'Hare Intl Airport, at 7 and 5 flights per week respectively. Based on KAYAK flight data over the last 3 months.
What’s the most punctual time of day to fly from Rome to Chicago O'Hare Intl Airport?
Morning flights have the fewest delays on this route.
Which day of the week has the fewest delays on Rome to Chicago O'Hare Intl Airport flights?
Thursday has the fewest flight delays on the Rome to Chicago O'Hare Intl Airport route, at only 3% of flights delayed. Sunday has the most delays at 24%.
What’s the most popular layover airport when flying from Rome to Chicago O'Hare Intl Airport?
KAYAK data for 1-stop round-trips over the past 3 months. Only counts itineraries with the same layover on both legs.Reykjavik Keflavik Intl (KEF) is the most popular layover for the Rome to Chicago O'Hare Intl Airport route. 31% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via KEF.
What is the cheapest layover airport when flying from Rome to Chicago O'Hare Intl Airport?
Flights via Helsinki-Vantaa (HEL) offer the most affordable fares, with an average round-trip price of $635. Based on KAYAK data over the past 3 months.
Which route with a layover is the fastest from Rome to Chicago O'Hare Intl Airport?
Paris Charles de Gaulle (CDG) offers the shortest 1-stop connection from Rome to Chicago O'Hare Intl Airport at 12h 03m one-way, 1h 38m longer than the 10h 25m direct flight. Based on KAYAK data over the past 3 months.
When flying from Rome to Chicago O'Hare Intl Airport which airport offers the shortest layover?
Paris Charles de Gaulle (CDG) had the shortest average connection time for Rome to Chicago O'Hare Intl Airport layovers at 6h 58m over the past 3 months.
How many nonstop flights run daily between Rome and Chicago O'Hare Intl Airport?
There are 1 to 2 flights per day from Rome to Chicago O'Hare Intl Airport, about 11 flights per week. Monday has the most departures, with 18% of weekly flights.
What time of day do most flights depart from Rome to Chicago O'Hare Intl Airport?
Based on KAYAK flight schedules for the upcoming 3 months.Most nonstop flights from Rome to Chicago O'Hare Intl Airport depart in the morning, accounting for 50% of nonstop departures. Around 1 flights are scheduled in that window over the next three months.
Expert advice
Expert advice for your flight from Rome to O'Hare Intl
AI-powered summary based on content written by travel experts. AI can make mistakes.
Our travel experts
Key details for Rome to Chicago O'Hare Intl Airport flights
Low season | February |
|---|---|
High season | July |
Cheapest flight | $369 |
When to book flights from Rome to O'Hare Intl
Are your dates flexible? Find out the best times to travel from Rome to O'Hare Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.
Flights from Rome to O'Hare Intl: the best tips from KAYAK users' own experiences
Insights shared by verified travelers who flew the route from Rome to O'Hare Intl
Your Rome to Chicago O'Hare Intl Airport flight questions, answered
Find helpful answers about this route, including flight times, airports, airlines and booking tips.
Your guide to booking Rome to Chicago O'Hare Intl Airport flights
Get tips on when to book, when to fly and what to know before your trip.Prefer to fly direct from Rome to Chicago O'Hare Airport?
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Rome to Chicago O'Hare Intl.
Direct departures
Rome to Chicago O'Hare Intl
Monday
Ethiopian Air,United Airlines
Ethiopian Air,United Airlines
Tuesday
Ethiopian Air,United Airlines
Ethiopian Air,United Airlines
Wednesday
Ethiopian Air,United Airlines
Ethiopian Air,United Airlines
Thursday
Ethiopian Air,United Airlines
Ethiopian Air,United Airlines
Friday
Ethiopian Air,United Airlines
Ethiopian Air,United Airlines
Saturday
Ethiopian Air,United Airlines
Ethiopian Air,United Airlines
Sunday
Ethiopian Air,United Airlines
Ethiopian Air,United Airlines
Direct returns
Chicago O'Hare Intl to Rome
Monday
United Airlines
United Airlines
Tuesday
United Airlines
United Airlines
Wednesday
United Airlines
United Airlines
Thursday
United Airlines
United Airlines
Friday
United Airlines
United Airlines
Saturday
United Airlines
United Airlines
Sunday
United Airlines
United Airlines
More options for your flight from Rome to O'Hare Intl
Complete your trip to Chicago with a hotel stay or car rental
Information on your arrival and departure airports
Cabin class types available on flights to O'Hare Intl
Cabin classes available on flights from Rome to O'Hare Intl. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
Find direct flights to and from Rome and O'Hare Intl
Flights from domestic origins to O'Hare Intl
Choose which airport to fly into in Rome
Flights to other popular destinations
The most popular flights on KAYAK according to clicks in the last 2 weeks. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.