For a quick departure, use the 'L' train from downtown Chicago to ORD, avoiding traffic delays common with taxis or rideshares.

Most accurate provider | Justfly.com 3 stars |
|---|---|
Most trusted provider | Justfly.com 3 stars |
Round-trip from | $421 (oojo) |
One-way from | $220 (Kiwi.com) |
Popular in | June |
Cheapest in | November |
Average price | $768 |
Good round-trip deal | $786 or less |
Good one-way deal | $563 or less |
Fly from
Fly to
Route
Depart
Return
Price
ChicagoRome
ORD - FCO
ORDFCO
Chicago O'Hare Intl
Sun 4/26
6:00 pm-4:40 pm
1 stop15h 40m
Rome Fiumicino
Fri 5/8
5:45 pm-4:15 pm
1 stop29h 30m
ChicagoRome
ORD - FCO
ORDFCO
Chicago O'Hare Intl
Wed 4/8
6:00 pm-10:20 am
1 stop33h 20m
Rome Fiumicino
Sun 4/19
5:55 am-4:00 pm
1 stop17h 05m
ChicagoRome
ORD - FCO
ORDFCO
Chicago O'Hare Intl
Fri 4/17
6:00 pm-10:20 am
1 stop33h 20m
Rome Fiumicino
Sun 4/26
5:55 am-4:00 pm
1 stop17h 05m
ChicagoRome
ORD - FCO
ORDFCO
Chicago O'Hare Intl
Wed 4/15
6:00 pm-10:20 am
1 stop33h 20m
Rome Fiumicino
Sun 4/26
5:55 am-4:00 pm
1 stop17h 05m
ChicagoRome
ORD - FCO
ORDFCO
Chicago O'Hare Intl
Sat 2/7
6:30 pm-2:00 pm
1 stop12h 30m
Rome Fiumicino
Sat 2/14
11:25 am-5:20 pm
1 stop12h 55m
ChicagoRome
ORD - FCO
ORDFCO
Chicago O'Hare Intl
Thu 2/19
3:45 pm-7:45 am
Nonstop9h 00m
Rome Fiumicino
Wed 3/4
9:45 am-1:10 pm
Nonstop10h 25m
ChicagoRome
ORD - FCO
ORDFCO
Chicago O'Hare Intl
Thu 2/12
4:05 pm-5:50 pm
1 stop18h 45m
Rome Fiumicino
Fri 2/20
9:45 am-3:20 pm
1 stop12h 35m
ChicagoRome
ORD - FCO
ORDFCO
Chicago O'Hare Intl
Sat 1/10
6:17 pm-8:30 am
1 stop31h 13m
Rome Fiumicino
Sun 1/18
7:05 am-5:48 pm
2 stops17h 43m
ChicagoRome
ORD - FCO
ORDFCO
Chicago O'Hare Intl
Sat 3/28
5:30 pm-6:45 pm
1 stop19h 15m
Rome Fiumicino
Tue 3/31
9:25 am-2:30 pm
1 stop36h 05m
ChicagoRome
ORD - FCO
ORDFCO
Chicago O'Hare Intl
Tue 4/21
10:59 am-7:55 am
1 stop13h 56m
Rome Fiumicino
Thu 4/23
10:00 am-3:00 pm
1 stop12h 00m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
The price you pay for your flight from Chicago O'Hare Intl Airport to Rome Fiumicino Airport may vary depending on when you book. For the best chance of a lower fare, look to book 63 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Currently, December is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Rome Fiumicino Airport (average of $349). Flying from Chicago O'Hare Intl Airport to Rome Fiumicino Airport in June is currently the most expensive (average of $704). 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.
A simple way to save on the total cost of your ticket is to fly from Chicago O'Hare Intl Airport to Rome Fiumicino Airport in the evening. If you’re flexible enough to do this you can expect to save up to 38% on your trip compared to booking a flight at noon.
About 28% of weekly flights between Chicago and Rome have experienced delays in the past year, with the average delay time being 159 minutes.
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.
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.
Over the last year, United Airlines have had the lowest number of delays on this route, with just 25% of flights being delayed.
Lisbon (LIS) – chosen by Cheapflights users on 33% of 1-stop itineraries from Chicago O'Hare Intl Airport to Rome Fiumicino Airport on Cheapflights.
Lisbon (LIS) is the most affordable 1-stop option, with an average round-trip price of $431.
Flights via Dublin (DUB) have the shortest average one-way travel time for 1-stop routes: 11h 40m.
Flights via Reykjavik (KEF) offer the fastest connection on this route, with an average layover time of 1h 05m.
Entertainment
Crew
Overall
Comfort
Boarding
Food
Reviews
Michelle,Dec 2025
DEN - MKE
Entertainment
Crew
Overall
Comfort
Boarding
Food
Reviews
Michelle,Dec 2025
DEN - MKE
Entertainment
Crew
Overall
Comfort
Boarding
Food
Reviews
Michelle,Dec 2025
DEN - MKE
Entertainment
Crew
Overall
Comfort
Boarding
Food
Reviews
Michelle,Dec 2025
DEN - MKE
Entertainment
Crew
Overall
Comfort
Boarding
Food
Reviews
Michelle,Dec 2025
DEN - MKE
Entertainment
Crew
Overall
Comfort
Boarding
Food
Reviews
Michelle,Dec 2025
DEN - MKE
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$230 | Average$893 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$337 | Average$479 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$390 | Average$715 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$392 | Average$547 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$414 | Average$712 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$430 | Average$507 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$455 | Average$770 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$458 | Average$764 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$459 | Average$738 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$481 | Average$757 | FlexibilityNo cancel fee | On-timeN/A |