Consider using the Fast Track at FCO for a quicker security and passport control experience, available for a nominal fee.

Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $435 (lol.travel) |
One-way from | $257 (Kiwi.com) |
Popular in | February |
Cheapest in | September |
Average price | $827 |
Good round-trip deal | $718 or less |
Good one-way deal | $553 or less |
Fly from
Fly to
Route
Depart
Return
Price
RomeChicago
FCO - ORD
FCOORD
Rome Fiumicino
Thu 2/12
11:25 am-5:20 pm
1 stop12h 55m
Chicago O'Hare Intl
Thu 2/19
6:30 pm-2:00 pm
1 stop12h 30m
RomeChicago
FCO - ORD
FCOORD
Rome Fiumicino
Sat 2/7
7:05 am-3:10 pm
2 stops15h 05m
Chicago O'Hare Intl
Fri 2/20
12:50 pm-9:25 am
1 stop13h 35m
RomeChicago
FCO - ORD
FCOORD
Rome Fiumicino
Mon 3/9
10:15 am-5:48 pm
1 stop13h 33m
Chicago O'Hare Intl
Mon 3/23
12:50 pm-8:40 am
2 stops13h 50m
RomeChicago
FCO - ORD
FCOORD
Rome Fiumicino
Mon 4/27
12:45 pm-3:10 pm
2 stops33h 25m
Chicago O'Hare Intl
Tue 5/5
5:10 pm-11:45 am
2 stops35h 35m
RomeChicago
FCO - ORD
FCOORD
Rome Fiumicino
Tue 5/12
3:45 pm-6:15 pm
1 stop33h 30m
Chicago O'Hare Intl
Sun 5/31
10:25 pm-2:35 pm
1 stop33h 10m
RomeChicago
FCO - ORD
FCOORD
Rome Fiumicino
Thu 4/9
8:00 pm-4:00 pm
1 stop27h 00m
Chicago O'Hare Intl
Sun 4/12
6:00 pm-12:15 am
1 stop23h 15m
RomeChicago
FCO - ORD
FCOORD
Rome Fiumicino
Mon 4/27
10:00 am-1:30 pm
Nonstop10h 30m
Chicago O'Hare Intl
Tue 5/5
5:00 pm-8:05 pm
1 stop20h 05m
RomeChicago
FCO - ORD
FCOORD
Rome Fiumicino
Mon 3/30
1:20 pm-7:55 pm
1 stop13h 35m
Chicago O'Hare Intl
Wed 4/15
2:20 pm-2:20 pm
1 stop17h 00m
RomeChicago
FCO - ORD
FCOORD
Rome Fiumicino
Mon 3/9
7:05 am-2:25 pm
1 stop13h 20m
Chicago O'Hare Intl
Mon 3/23
4:45 pm-7:45 am
Nonstop9h 00m
RomeChicago
FCO - ORD
FCOORD
Rome Fiumicino
Mon 3/9
7:05 am-2:25 pm
1 stop13h 20m
Chicago O'Hare Intl
Mon 3/23
4:45 pm-7:45 am
Nonstop9h 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 Accuracy3 stars | Trust Score*1 star |
To ensure you get the cheapest price possible for a flight from Rome Fiumicino Airport to Chicago O'Hare Intl Airport, you should look to book at least 87 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Currently, July is the cheapest month in which you can book a flight from Rome Fiumicino Airport to Chicago O'Hare Intl Airport (average of $537). Flying from Rome Fiumicino Airport to Chicago O'Hare Intl Airport in June is currently the most expensive (average of $681). 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.
When flying from Rome Fiumicino Airport to Chicago O'Hare Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
About 18% of weekly flights between Rome and Chicago have experienced delays in the past year, with the average delay time being 177 minutes.
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
Thursday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.
Over the last year, Ethiopian Air have had the lowest number of delays on this route, with just 10% of flights being delayed.
Food
Boarding
Overall
Crew
Comfort
Entertainment
Reviews
Dane,Jan 2026
TYS - IAD
Food
Boarding
Overall
Crew
Comfort
Entertainment
Reviews
Dane,Jan 2026
TYS - IAD
Food
Boarding
Overall
Crew
Comfort
Entertainment
Reviews
Dane,Jan 2026
TYS - IAD
Food
Boarding
Overall
Crew
Comfort
Entertainment
Reviews
Dane,Jan 2026
TYS - IAD
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$536 | Average$711 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$585 | Average$773 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$657 | Average$929 | FlexibilityNo cancel fee | On-time70% |