Cheap flights from Chicago to Rome from $372 MDW, ORD, RFD → FCO
Chicago Midway International Airport (MDW), O'Hare International Airport (ORD), Chicago Rockford International Airport (RFD) → Leonardo da Vinci-Fiumicino Airport (FCO)
The cheapest return found recently is $724 with Air Canada, 10 Dec – 22 Dec, found 2 days ago. The cheapest one-way found recently is $372 with Icelandair, 11 Jan 2027, found 4 days ago.
- Cheapest one-way found recently
- $372, found 4 days ago
- Cheapest return found recently
- $724, 10 Dec to 22 Dec
- Usual return price
- $628 to $872
- Cheapest month to fly
- December 2026, return fares from $500 found in the last 7 days
- Airlines with nonstop flights
- United Airlines
Return
The cheapest return fare on each of 7 departure dates is usually $628 to $872.
Cheapest return found recently
$724
10 Dec – 22 Dec · Air Canada
O'Hare International Airport (ORD) → Leonardo da Vinci-Fiumicino Airport (FCO)
Leaves 12:50 p.m. · Return leaves 9:35 a.m. · 28 h 45 min of travel, both ways together
out 1 stop, back 1 stop
found 2 days ago
Cheapest nonstop return
$1,990
27 Dec – 4 Jan 2027 · United Airlines
O'Hare International Airport (ORD) → Leonardo da Vinci-Fiumicino Airport (FCO)
Leaves 3:40 p.m. · Return leaves 8:10 p.m. · 19 h 30 min of travel, both ways together
out nonstop, back nonstop
found 5 days ago
Found recently, and the cheapest we hold
$724 10 Dec – 22 Decfound 2 days agoSee prices for these dates
$500 2 Dec – 9 Decfound 6 days agoSee prices for these dates
What have prices looked like?
Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $326 to $838.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 7 departure dates from 25 Nov to 30 Dec, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 12-night return fares leaving within 3 days of 10 Dec to compare.
Every date we hold
20 fares on 7 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 25 Nov – 9 Dec | $637 | Air Canada | O'Hare International Airport (ORD) → Leonardo da Vinci-Fiumicino Airport (FCO) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 2 Dec – 9 Dec | $500 | Icelandair | O'Hare International Airport (ORD) → Leonardo da Vinci-Fiumicino Airport (FCO) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 5 Dec – 12 Dec | $619 | Icelandair | O'Hare International Airport (ORD) → Leonardo da Vinci-Fiumicino Airport (FCO) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 10 Dec – 22 Dec | $724 | Air Canada | O'Hare International Airport (ORD) → Leonardo da Vinci-Fiumicino Airport (FCO) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 27 Dec – 4 Jan 2027 | $1,113 | Turkish Airlines | O'Hare International Airport (ORD) → Leonardo da Vinci-Fiumicino Airport (FCO) | out 2 stops, back 2 stops | found 5 days ago | See prices for these dates |
| 28 Dec – 4 Jan 2027 | $1,020 | United Airlines | O'Hare International Airport (ORD) → Leonardo da Vinci-Fiumicino Airport (FCO) | out 2 stops, back 2 stops | found 5 days ago | See prices for these dates |
| 30 Dec – 13 Jan 2027 | $671 | United Airlines | O'Hare International Airport (ORD) → Leonardo da Vinci-Fiumicino Airport (FCO) | out nonstop, back 1 stop | found 3 days ago | See prices for these dates |
Which month looks cheapest?
December 2026 is the cheapest month — from $500.
Airlines on the cheapest dates: Air Canada, Icelandair, United Airlines, Turkish Airlines.
One-way
Not enough comparable prices yet for a usual one-way price.
Cheapest one-way found recently
$372
11 Jan 2027 · Icelandair
O'Hare International Airport (ORD) → Leonardo da Vinci-Fiumicino Airport (FCO)
Leaves 6:30 p.m. · 23 h 50 min trip
2 stops
found 4 days ago
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$372 11 Jan 2027found 4 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 31 days, 3 Oct to 11 Nov, the cheapest one-way we saw each day was $307 to $438.
Those were the prices on those days, not today's.
Is this a good one-way price?
Not enough comparable prices yet: we hold one-way fares on 2 departure dates and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 11 Jan 2027 to compare.
Every date we hold
5 fares on 2 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 5 Jan 2027 | $472 | Aer Lingus | O'Hare International Airport (ORD) → Leonardo da Vinci-Fiumicino Airport (FCO) | 2 stops | found 5 days ago | Open this trip |
| 11 Jan 2027 | $372 | Icelandair | O'Hare International Airport (ORD) → Leonardo da Vinci-Fiumicino Airport (FCO) | 2 stops | found 4 days ago | Open this trip |
Airlines on the cheapest dates: Aer Lingus, Icelandair.
Premium cabin fares from Chicago to Rome
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 10 Dec – 22 Dec in another cabin: Premium economy · Business · First
Today's prices for 11 Jan 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Chicago to Rome?
Return
The cheapest fares were 14 to 29 days before departure.
From the cheapest return each day between 24 Sept and 11 Nov (49 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 14–29 days | $500 | $464 | Cheapest seen | 19 |
| 30–59 days | $660 | $429 | +32% | 32 |
| 60–89 days | $710 | $624 | +42% | 29 |
| 90–179 days | $643 | $326 | +29% | 43 |
| 180+ days | $838 | $724 | +68% | 23 |
One-way
The cheapest fares were 30 to 59 days before departure.
From the cheapest one-way each day between 3 Oct and 11 Nov (31 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 30–59 days | $336 | $307 | Cheapest seen | 10 |
| 60–89 days | $375 | $321 | +12% | 22 |
| 90–179 days | $387 | $387 | +15% | 7 |
| 180+ days | $438 | $438 | +30% | 8 |
Live price for these dates
The cheapest return found recently is for 10 Dec – 22 Dec. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from Chicago to Rome?
The cheapest return found recently is $724 with Air Canada, 10 Dec to 22 Dec, found 2 days ago. The cheapest return we hold, of any age, is $500 with Icelandair, 2 Dec to 9 Dec, found 6 days ago. The cheapest return fare on each of 7 departure dates is usually $628 to $872.
How much is a one-way flight from Chicago to Rome?
The cheapest one-way found recently is $372 with Icelandair, 11 Jan 2027, found 4 days ago.
What is the cheapest month to fly from Chicago to Rome?
December 2026 is the cheapest month for a return, from $500, 2 Dec to 9 Dec, found 6 days ago.
How far ahead should I book a flight from Chicago to Rome?
In 49 days of prices between 24 Sept and 11 Nov, return fares were cheapest 14 to 29 days before departure. In 31 days of prices between 3 Oct and 11 Nov, one-way fares were cheapest 30 to 59 days before departure.
Is there a direct flight from Chicago to Rome?
Yes, the cheapest nonstop return found recently is $1,990 with United Airlines, 27 Dec to 4 Jan 2027, found 5 days ago.
How long is the flight from Chicago to Rome?
The cheapest one-way found recently, with Icelandair on 11 Jan 2027, takes 23 h 50 min with 2 stops.
Which airlines have the cheapest flights from Chicago to Rome?
Between 25 Nov and 30 Dec, Air Canada has the cheapest return on 2 of the 7 departure dates we hold, Icelandair on 2 and United Airlines on 2.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work