Cheap flights from Rome to Illinois from $267
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 Illinois departing on 10/29. 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 Illinois
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Icelandair flights from Rome to Illinois
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How to get the cheapest flight ticket from Rome to Illinois
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 cheapest month to fly to Illinois?
The cheapest month to fly to Illinois from Rome is in February. Flight prices, which tend to average around $597, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of February, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $611.
What is the cheapest day to depart on your flight to Illinois?
The cheapest day to depart from Rome to Illinois is on a Thursday when prices can be found for as low as $757. Flights from Rome to Illinois on a Sunday will generally be more expensive and average around $944. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Illinois?
Our most recent data shows that the best time of day to fly to Illinois is in the afternoon. Flights from Rome to Illinois during this time can be as low as $527. Flights at noon are often more expensive with an average ticket price of $843.
What is the cheapest Rome to Illinois flight route?
Fly from Rome Fiumicino to Chicago O'Hare Intl for the best Rome - Illinois flight prices
How far in advance should I book a flight to Illinois?
You are more likely to see cheaper flights to Illinois from Rome when booking 11 weeks ahead of your departure date. In general, you can expect to find flights to Illinois 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 Illinois from Rome for as low as $452 on momondo.
What cabin class options are available on Rome to Illinois flights?
There are 4 cabin classes available to choose from on Rome to Illinois 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 Illinois?
TAP AIR PORTUGAL, Air Serbia, and Icelandair are the most popular carriers operating from Rome to Illinois
What airlines fly to Illinois?
United Airlines, British Airways and American Airlines are the top three most popular airlines that fly to Illinois 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 Illinois. Keep in mind that there are 6 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.
How many flights depart from Rome to Illinois on average per day?
As of June 2025, there are 12 flights per day flying from Rome to Illinois. The most common time of day flights depart is 9:00AM, with 96% of flights taking off at noon.
How many flights depart from Rome to Illinois on average per week?
As of June 2025, 85 flights take off from Rome and land in Illinois each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.
Cheap Rome to Illinois flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Rome to Illinois
When did momondo last update prices for flights from Rome to Illinois?
Prices for flights from Rome to Illinois are refreshed on a daily basis.
How many operators does momondo search for flights from Rome to Illinois?
The number of operators available for flights from Rome to Illinois is 6 as of June 2025.
How old do you have to be to fly from Rome to Illinois?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Rome to Illinois.
What documentation or ID do you need to fly to Illinois?
The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Rome to Illinois?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Rome to Illinois is Boeing 787 Dreamliner (46.34% of total bookings). The next most popular plane models are Boeing 787-10 Dreamliner (14.77%), Airbus A330 (10.90%), and Boeing 787-8 Dreamliner (9.47%).
Best airlines flying from Rome to Illinois
Compare and see reviews for airlines that fly from Rome to Illinois with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $536 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $550 | Free Cancellation | Rating 7.0 2,778 reviews | |||
| PriceFrom $628 | Free Cancellation | Rating 6.6 7,031 reviews | |||
| PriceFrom $639 | Free Cancellation | Rating 6.8 7,158 reviews | |||
| PriceFrom $639 | Free Cancellation | Rating 7.4 8,809 reviews | |||
| PriceFrom $658 | Free Cancellation | Rating 6.7 994 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Rome to Illinois?
Finding the right flight to Illinois from Rome is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Illinois quick and easy, saving you time and money.
Can I find flights from Rome to Illinois with flexible booking policies on momondo?
Flights from Rome to Illinois with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Rome to Illinois?
momondo provides multiple filters to help you find the best flight to Illinois 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 Illinois right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Illinois 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.