For a quick departure from ORD, consider taking the 'L' train to avoid traffic delays common with taxis or rideshares.

Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $405 (Icelandair) |
One-way from | $188 (Trip.com) |
Popular in | June |
Cheapest in | February |
Average price | $591 |
Good round-trip deal | $761 or less |
Good one-way deal | $481 or less |
Fly from
Fly to
Route
Depart
Return
Price
ChicagoRome
ORD - FCO
ORDFCO
Chicago O'Hare Intl
Sat 11/8
6:20 pm-8:30 am
1 stop31h 10m
Rome Fiumicino
Wed 11/19
1:15 pm-11:18 am
1 stop29h 03m
ChicagoRome
ORD - FCO
ORDFCO
Chicago O'Hare Intl
Wed 12/10
7:05 am-9:25 am
1 stop19h 20m
Rome Fiumicino
Wed 12/24
9:45 am-8:05 pm
1 stop17h 20m
ChicagoRome
ORD - FCO
ORDFCO
Chicago O'Hare Intl
Mon 11/10
3:45 pm-7:45 am
Nonstop9h 00m
Rome Fiumicino
Mon 11/17
8:15 pm-4:20 pm
1 stop27h 05m
ChicagoRome
ORD - FCO
ORDFCO
Chicago O'Hare Intl
Sun 11/9
3:45 pm-7:45 am
Nonstop9h 00m
Rome Fiumicino
Tue 11/25
9:45 am-1:10 pm
Nonstop10h 25m
ChicagoRome
ORD - FCO
ORDFCO
Chicago O'Hare Intl
Mon 12/8
3:45 pm-7:45 am
Nonstop9h 00m
Rome Fiumicino
Thu 12/18
9:45 am-1:10 pm
Nonstop10h 25m
ChicagoRome
ORD - FCO
ORDFCO
Chicago O'Hare Intl
Wed 12/3
7:00 am-9:25 am
2 stops19h 25m
Rome Fiumicino
Thu 12/11
1:30 pm-8:05 pm
1 stop13h 35m
ChicagoRome
ORD - FCO
ORDFCO
Chicago O'Hare Intl
Sat 11/8
5:55 pm-8:55 am
1 stop32h 00m
Rome Fiumicino
Thu 11/20
9:45 am-1:10 pm
Nonstop10h 25m
ChicagoRome
ORD - FCO
ORDFCO
Chicago O'Hare Intl
Wed 12/3
3:45 pm-7:45 am
Nonstop9h 00m
Rome Fiumicino
Thu 12/18
9:45 am-1:10 pm
Nonstop10h 25m
ChicagoRome
ORD - FCO
ORDFCO
Chicago O'Hare Intl
Tue 11/11
5:20 pm-5:25 pm
1 stop17h 05m
Rome Fiumicino
Wed 11/19
6:10 am-2:20 pm
1 stop15h 10m
ChicagoRome
ORD - FCO
ORDFCO
Chicago O'Hare Intl
Tue 12/2
11:00 am-7:55 am
1 stop13h 55m
Rome Fiumicino
Tue 12/9
7:05 am-10:05 pm
2 stops22h 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 |
The best time to book flights from Chicago to Rome Fiumicino Airport is 33 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, December is the cheapest month in which you can book a flight from Chicago to Rome Fiumicino Airport (average of $371). Flying from Chicago to Rome Fiumicino Airport in June is currently the most expensive (average of $722). 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.
One of the essential ways to save on airfare from Chicago to Rome Fiumicino Airport 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.
Travelers seeking maximum savings on their Chicago to Rome Fiumicino Airport 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.
The most flights from CHI to FCO are scheduled on a Monday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).
Lisbon (LIS) – chosen by Cheapflights users on 31% of 1-stop itineraries from Chicago 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.
Boarding
Entertainment
Crew
Comfort
Food
Overall
Reviews
Sebrena,Oct 2025
IAH - RSW
Boarding
Entertainment
Crew
Comfort
Food
Overall
Reviews
Sebrena,Oct 2025
IAH - RSW
Boarding
Entertainment
Crew
Comfort
Food
Overall
Reviews
Sebrena,Oct 2025
IAH - RSW
Boarding
Entertainment
Crew
Comfort
Food
Overall
Reviews
Sebrena,Oct 2025
IAH - RSW
Boarding
Entertainment
Crew
Comfort
Food
Overall
Reviews
Sebrena,Oct 2025
IAH - RSW
Boarding
Entertainment
Crew
Comfort
Food
Overall
Reviews
Sebrena,Oct 2025
IAH - RSW
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$338 | Average$489 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$390 | Average$748 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$392 | Average$561 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$415 | Average$900 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$416 | Average$714 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$428 | Average$501 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$458 | Average$791 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$481 | Average$774 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$506 | Average$892 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$512 | Average$740 | FlexibilityNo cancel fee | On-time75% |