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 | $399 (oojo) |
One-way from | $347 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $825 |
Good round-trip deal | $739 or less |
Good one-way deal | $501 or less |
Fly from
Fly to
Route
Depart
Return
Price
ChicagoRome
ORD - FCO
ORDFCO
Chicago O'Hare Intl
Mon 2/2
5:10 pm-12:50 pm
1 stop12h 40m
Rome Fiumicino
Thu 2/12
7:40 am-1:50 pm
1 stop13h 10m
ChicagoRome
ORD - FCO
ORDFCO
Chicago O'Hare Intl
Fri 1/23
7:20 pm-10:55 am
1 stop32h 35m
Rome Fiumicino
Tue 1/27
11:55 am-4:45 pm
1 stop35h 50m
ChicagoRome
ORD - FCO
ORDFCO
Chicago O'Hare Intl
Wed 2/25
3:45 pm-7:45 am
Nonstop9h 00m
Rome Fiumicino
Tue 3/3
9:45 am-1:10 pm
Nonstop10h 25m
ChicagoRome
ORD - FCO
ORDFCO
Chicago O'Hare Intl
Wed 2/25
9:15 am-8:30 am
2 stops16h 15m
Rome Fiumicino
Tue 3/3
7:05 am-3:20 pm
1 stop15h 15m
ChicagoRome
ORD - FCO
ORDFCO
Chicago O'Hare Intl
Wed 2/4
2:30 pm-3:15 pm
2 stops17h 45m
Rome Fiumicino
Wed 2/11
6:10 am-2:20 pm
1 stop15h 10m
ChicagoRome
ORD - FCO
ORDFCO
Chicago O'Hare Intl
Wed 1/7
5:20 pm-3:15 pm
1 stop14h 55m
Rome Fiumicino
Tue 1/13
6:10 am-9:35 pm
2 stops22h 25m
ChicagoRome
MDW - FCO
MDWFCO
Chicago Midway
Mon 2/2
12:48 pm-10:30 am
1 stop14h 42m
Rome Fiumicino
Tue 2/10
6:10 am-5:55 pm
2 stops18h 45m
ChicagoRome
MDW - FCO
MDWFCO
Chicago Midway
Wed 2/18
12:46 pm-10:30 am
1 stop14h 44m
Rome Fiumicino
Wed 2/25
6:10 am-5:45 pm
2 stops18h 35m
ChicagoRome
ORD - FCO
ORDFCO
Chicago O'Hare Intl
Sun 1/11
9:50 pm-6:15 pm
1 stop13h 25m
Rome Fiumicino
Mon 1/26
12:20 pm-2:10 pm
1 stop32h 50m
ChicagoRome
MDW - FCO
MDWFCO
Chicago Midway
Mon 3/2
1:49 pm-11:45 am
2 stops14h 56m
Rome Fiumicino
Wed 3/11
11:40 am-10:29 pm
1 stop16h 49m
| 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 21 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 $347). Flying from Chicago to Rome Fiumicino Airport in June is currently the most expensive (average of $707). 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 Wednesday, which is when the least amount of flights are scheduled (4 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.
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.
Comfort
Crew
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Entertainment
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Reviews
Sunderesh,Dec 2025
AUS - EWR
Comfort
Crew
Overall
Entertainment
Food
Boarding
Reviews
Sunderesh,Dec 2025
AUS - EWR
Comfort
Crew
Overall
Entertainment
Food
Boarding
Reviews
Sunderesh,Dec 2025
AUS - EWR
Comfort
Crew
Overall
Entertainment
Food
Boarding
Reviews
Sunderesh,Dec 2025
AUS - EWR
Comfort
Crew
Overall
Entertainment
Food
Boarding
Reviews
Sunderesh,Dec 2025
AUS - EWR
Comfort
Crew
Overall
Entertainment
Food
Boarding
Reviews
Sunderesh,Dec 2025
AUS - EWR
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$283 | Average$892 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$337 | Average$472 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$390 | Average$697 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$392 | Average$549 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$414 | Average$712 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$430 | Average$512 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$455 | Average$770 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$458 | Average$791 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$466 | Average$745 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$481 | Average$770 | FlexibilityNo cancel fee | On-timeN/A |