Book direct flights from Chicago to Rome: One way flights from $518, round trip flights from $938. Find flight deals for the next 3 months below.

Displayed flight fares from Chicago to Rome are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Trip.com price insights on flights from Chicago to Rome

Which month has the cheapest one-way flights from to Rome?

The average price of one-way flights from to Rome purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from to Rome is November, with an average price of $276; while the month with the highest flight price is usually April, with an average price of up to $891.

$891
$584
$276
0
    Cheapest
  • $891
    Apr
  • $620
    May
  • $676
    Jun
  • $373
    Jul
  • $288
    Aug
  • $441
    Sep
  • $420
    Oct
  • $276
    Nov
  • $499
    Dec
  • $475
    Jan
  • $631
    Feb
  • $362
    Mar

When is the cheapest day to fly from Chicago to Rome during Memorial Day?

Data is based on the lowest one-way price from Chicago to Rome during Memorial Day on Trip.com in the past 3 days.

Memorial Day is scheduled for May 25. The cheapest flights from Chicago to Rome are available on May 27, with fares starting at $402.

$787
$595
$402
$210
    Cheapest
  • $787
    22
    May
  • $753
    23
  • $612
    24
  • $650
    25
  • $412
    26
  • $402
    27

Frequently Asked Questions

  • What are the cheapest flights from Chicago to Rome (CHI-ROM)?

    Based on Trip.com data, American Airlines offers one-way fares as low as $404 on Cheapest nonstop routes (e.g. ORD to FCO on Sun, Jul 12), while Scandinavian Airlines offers Cheapest nonstop round-trips from $692 departing on Fri, Jul 3 and returning on Wed, Jul 8.
  • At the moment, you can catch a nonstop flight from Chicago to Rome with the following airlines, including: ITA Airways American Airlines United Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 9 hours 12 minutes to fly from Chicago (CHI) to Rome (ROM).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Chicago to Rome is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 2 flight per week flying from Chicago to Rome. You can check the weekly schedule for popular airlines on this route below: American Airlines: S/M/T/W/T/F/S -- AA110 (17:05)
  • To find best deals on flights from Chicago to Rome, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sun, Jul 12, with one-way flights priced at just $404.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is United Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Rome travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Chicago to Rome is October, when demand for travel is lower.
  • After crunching the numbers on our May flight calendar, it's currently cheapest to fly from Chicago to Rome on May 24, 2026 with TAP Air Portugal, with prices starting at $693.
  • You can land at any one of the following hubs in Rome, with Chicago O'Hare International Airport to Leonardo da Vinci International Airport (ORD-FCO) is by far the most common option on this route: Leonardo da Vinci International Airport (FCO) Giovan Battista Pastine International Airport (CIA).
  • The time difference between Rome and Chicago is 7h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.