Cheap flights from Rome to Chicago from $310
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Rome to Chicago departing on 9/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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TAP AIR PORTUGAL flights from Rome to Chicago O'Hare Intl Airport
Our best TAP AIR PORTUGAL deals on Rome to Chicago O'Hare Intl Airport flight tickets
Icelandair flights from Rome to Chicago O'Hare Intl Airport
Our best Icelandair deals on Rome to Chicago O'Hare Intl Airport flight tickets
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How to get the cheapest flight ticket from Rome to Chicago O'Hare Intl Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Rome and Chicago O'Hare Intl Airport?
What is the cheapest month to fly to Chicago O'Hare Intl Airport?
The month of September is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Rome averaging around $605.
What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?
The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Thursday when prices can be found for as low as $757. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Rome because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $944.
What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?
Flying to Chicago O'Hare Intl Airport from Rome in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $655 when looking at flights departing in the afternoon. Try not to purchase tickets in the evening because they tend to be around $863. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest Rome to Chicago O'Hare Intl flight route?
Fly from Rome Fiumicino to Chicago O'Hare Intl for the best Rome - Chicago O'Hare Intl flight prices
How far in advance should I book a flight to Chicago O'Hare Intl Airport?
You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Rome when booking 11 weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $745 when searching 11 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Rome for as low as $452 on momondo.
What cabin class options are available on Rome to Chicago O'Hare Intl flights?
There are 4 cabin classes available to choose from on Rome to Chicago O'Hare Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Rome to Chicago O'Hare Intl?
Icelandair, TAP AIR PORTUGAL, and Air Serbia are the most popular carriers operating from Rome to Chicago O'Hare Intl
What airlines fly to Chicago O'Hare Intl Airport?
United Airlines, British Airways and American Airlines are the top three most popular airlines that fly to Chicago O'Hare Intl Airport from Rome according to our data. United Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Chicago O'Hare Intl Airport. Keep in mind that there are 6 different airlines that fly to Chicago O'Hare Intl Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from Rome to Chicago O'Hare Intl Airport on average per day?
12 flights are operational daily from Rome to Chicago O'Hare Intl Airport as of June 2025. The most popular departure time for this route is 9:00AM, with 95% of flights per day taking off at noon.
How many flights depart from Rome to Chicago O'Hare Intl Airport on average per week?
As of June 2025, there are 87 flights per week flying from Rome to Chicago O'Hare Intl Airport. The most common day of the week flights depart is Sat, with 16% of flights taking off on this day.
When to book flights from Rome to Chicago O'Hare Intl Airport
Cheap Rome to Chicago O'Hare Intl Airport (ROM to ORD) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Rome to Chicago O'Hare Intl Airport
How far is Rome to Chicago O'Hare Intl by plane?
Chicago O'Hare Intl is 4812.6 mi away from Rome. Flights usually cover this in 10h 25m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Rome to Chicago O'Hare Intl Airport?
Prices for flights from Rome to Chicago O'Hare Intl Airport refresh daily.
How many operators does momondo search for flights from Rome to Chicago O'Hare Intl Airport?
As of June 2025, there are 6 operators available to choose from for flights from Rome to Chicago O'Hare Intl Airport.
How old do you have to be to fly from Rome to Chicago O'Hare Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Rome to Chicago O'Hare Intl Airport.
What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?
The travel and health documents required for your trip to Chicago O'Hare Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chicago O'Hare Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Rome to Chicago O'Hare Intl Airport?
Based on momondo bookings for flights between Rome and Chicago O'Hare Intl Airport, the leading plane model is Boeing 787 Dreamliner, making up 46.05% of the total bookings. Other popular models include Boeing 787-10 Dreamliner with 14.62%, Airbus A330 with 10.61%, and Boeing 787-8 Dreamliner with 10.44%.
What is the most popular airline from Rome to Chicago O'Hare Intl Airport?
momondo data reveals that the most frequently booked airline on the route from Rome to Chicago O'Hare Intl Airport is British Airways, representing 28% of all bookings. The subsequent popular airlines are Lufthansa at 23%, United Airlines at 20%, and Iberia at 17%.
Best airlines flying from Rome to Chicago O'Hare Intl Airport
Compare and see reviews for airlines that fly from Rome to Chicago O'Hare Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $536 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $550 | Free Cancellation | Rating 7.0 2,776 reviews | |||
| PriceFrom $628 | Free Cancellation | Rating 6.6 7,008 reviews | |||
| PriceFrom $639 | Free Cancellation | Rating 6.7 7,139 reviews | |||
| PriceFrom $639 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $658 | Free Cancellation | Rating 6.7 990 reviews |
United Airlines Flights From Rome to Chicago O'Hare Intl Airport
United Airlines operates around 7 flights from Rome to Chicago O'Hare Intl Airport every week. The average price of these flights found in the last 72 hours has been $778, but momondo users have found United Airlines deals from Rome to Chicago O'Hare Intl Airport from as low as $639 round-trip. United Airlines has been scored 7.4/10 in 8,790 reviews.
American Airlines Flights From Rome to Chicago O'Hare Intl Airport
Another popular option for Rome to Chicago O'Hare Intl Airport flights is American Airlines (7.2/10, 10,000 ratings). American Airlines flies from Rome to Chicago O'Hare Intl Airport around 7 times per week, with deals starting from $536 round-trip and rising to an average price of around $780.
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Why should I use momondo to find a flight deal from Rome to Chicago?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Rome to Chicago. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Rome to Chicago with flexible booking policies on momondo?
momondo does allow users to show only those flights to Chicago from Rome which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Rome to Chicago?
momondo provides multiple filters to help you find the best flight to Chicago from Rome. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Rome to Chicago right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Chicago from Rome. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.