For a smooth departure, consider using the 'L' train to avoid Chicago traffic delays when heading to O'Hare.

Most accurate provider | Gotogate 3 stars |
|---|---|
Most trusted provider | Gotogate 3 stars |
Round-trip from | $422 (oojo) |
One-way from | $161 (Mytrip) |
Popular in | June |
Cheapest in | February |
Average price | $778 |
Good round-trip deal | $761 or less |
Good one-way deal | $449 or less |
Fly from
Fly to
Route
Depart
Return
Price
ChicagoRome
ORD - FCO
ORDFCO
Chicago O'Hare Intl
Mon 11/10
3:45 pm-7:45 am
Nonstop9h 00m
Rome Fiumicino
Wed 11/19
7:05 am-3:20 pm
1 stop15h 15m
ChicagoRome
ORD - FCO
ORDFCO
Chicago O'Hare Intl
Tue 12/9
3:45 pm-7:45 am
Nonstop9h 00m
Rome Fiumicino
Wed 12/17
1:30 pm-8:05 pm
1 stop13h 35m
ChicagoRome
ORD - FCO
ORDFCO
Chicago O'Hare Intl
Mon 12/8
11:00 am-7:55 am
1 stop13h 55m
Rome Fiumicino
Thu 12/18
9:45 am-1:10 pm
Nonstop10h 25m
ChicagoRome
ORD - FCO
ORDFCO
Chicago O'Hare Intl
Wed 11/12
3:45 pm-7:45 am
Nonstop9h 00m
Rome Fiumicino
Tue 11/18
9:35 am-4:20 pm
1 stop13h 45m
ChicagoRome
ORD - FCO
ORDFCO
Chicago O'Hare Intl
Mon 11/10
1:00 pm-8:30 am
1 stop12h 30m
Rome Fiumicino
Thu 11/27
1:30 pm-8:05 pm
1 stop13h 35m
ChicagoRome
ORD - FCO
ORDFCO
Chicago O'Hare Intl
Sun 11/30
3:45 pm-7:45 am
Nonstop9h 00m
Rome Fiumicino
Wed 12/10
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
Tue 12/9
9:45 am-1:10 pm
Nonstop10h 25m
ChicagoRome
ORD - FCO
ORDFCO
Chicago O'Hare Intl
Tue 12/2
3:45 pm-7:45 am
Nonstop9h 00m
Rome Fiumicino
Thu 12/11
9:45 am-1:10 pm
Nonstop10h 25m
ChicagoRome
ORD - FCO
ORDFCO
Chicago O'Hare Intl
Wed 11/5
3:45 pm-7:45 am
Nonstop9h 00m
Rome Fiumicino
Wed 11/19
9:45 am-1:10 pm
Nonstop10h 25m
ChicagoRome
ORD - FCO
ORDFCO
Chicago O'Hare Intl
Sun 11/9
3:45 pm-7:45 am
Nonstop9h 00m
Rome Fiumicino
Wed 11/26
9:45 am-1:10 pm
Nonstop10h 25m
| 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*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
To ensure you get the cheapest price possible for a flight from Chicago O'Hare Intl Airport to Rome, you should look to book at least 15 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, December is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Rome (average of $370). Flying from Chicago O'Hare Intl Airport to Rome in June is currently the most expensive (average of $721). 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 Chicago O'Hare Intl Airport to Rome, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 35% versus a flight at noon.
Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Rome 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 ORD to ROM 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).
Istanbul (IST) – chosen by Cheapflights users on 29% of 1-stop itineraries from Chicago O'Hare Intl Airport to Rome 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.
Crew
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Sebrena,Oct 2025
IAH - RSW
Crew
Entertainment
Boarding
Comfort
Overall
Food
Reviews
Sebrena,Oct 2025
IAH - RSW
Crew
Entertainment
Boarding
Comfort
Overall
Food
Reviews
Sebrena,Oct 2025
IAH - RSW
Crew
Entertainment
Boarding
Comfort
Overall
Food
Reviews
Sebrena,Oct 2025
IAH - RSW
Crew
Entertainment
Boarding
Comfort
Overall
Food
Reviews
Sebrena,Oct 2025
IAH - RSW
Crew
Entertainment
Boarding
Comfort
Overall
Food
Reviews
Sebrena,Oct 2025
IAH - RSW
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$342 | Average$488 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$390 | Average$645 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$392 | Average$567 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$414 | Average$721 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$422 | Average$901 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$428 | Average$501 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$458 | Average$791 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$481 | Average$770 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$506 | Average$820 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$512 | Average$740 | FlexibilityNo cancel fee | On-time75% |