Cheap flights from Illinois to Rome from $357

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Rome departing on 11/8. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Iberia Logo
10:16 am - 12:05 pm
STL
-
FCO
18h 49m
1 stop
Iberia Logo
1:10 pm - 11:42 pm
FCO
-
STL
17h 32m
1 stop
$791Iberia
Wed, Aug 5 - Wed, Aug 19
British Airways Logo
6:13 pm - 5:50 pm
STL
-
FCO
16h 37m
2 stops
British Airways Logo
11:00 am - 8:58 am
FCO
-
STL
28h 58m
1 stop
$794British Airways
Sun, Nov 8 - Tue, Nov 17
Scandinavian Airlines Logo
12:52 pm - 6:35 pm
STL
-
FCO
22h 43m
2 stops
Scandinavian Airlines Logo
9:30 am - 11:37 pm
FCO
-
STL
21h 07m
2 stops
$801Scandinavian Airlines
Sun, Aug 30 - Sun, Sep 6
Air Canada Logo
12:10 pm - 9:15 am
STL
-
FCO
14h 05m
1 stop
Air Canada Logo
2:20 pm - 3:38 pm
FCO
-
STL
32h 18m
2 stops
$804Air Canada
Wed, Aug 5 - Wed, Aug 19
Multiple Airlines Logo
3:30 pm - 12:30 pm
STL
-
FCO
14h 00m
1 stop
Multiple Airlines Logo
2:20 pm - 6:42 pm
FCO
-
STL
35h 22m
1 stop
$807Multiple Airlines
Wed, Aug 5 - Wed, Aug 19
Air Canada Logo
8:00 am - 9:15 am
STL
-
FCO
18h 15m
2 stops
Air Canada Logo
2:20 pm - 3:38 pm
FCO
-
STL
32h 18m
2 stops
$808Air Canada
Wed, Aug 5 - Wed, Aug 19
Scandinavian Airlines Logo
7:15 pm - 6:35 pm
ORD
-
FCO
16h 20m
1 stop
Scandinavian Airlines Logo
10:15 pm - 5:45 pm
FCO
-
ORD
26h 30m
2 stops
$813Scandinavian Airlines
Thu, Sep 24 - Sat, Oct 24
Multiple Airlines Logo
2:40 pm - 8:50 am
ORD
-
FCO
11h 10m
1 stop
Multiple Airlines Logo
9:45 am - 7:25 pm
FCO
-
ORD
15h 40m
2 stops
$825Multiple Airlines
Tue, Oct 13 - Wed, Oct 28
United Airlines Logo
6:30 am - 1:15 pm
ORD
-
FCO
23h 45m
1 stop
United Airlines Logo
11:30 am - 10:16 am
FCO
-
ORD
29h 46m
1 stop
$829United Airlines
Tue, Jul 21 - Wed, Jul 29
United Airlines Logo
5:31 pm - 7:55 am
PIA
-
FCO
31h 24m
1 stop
United Airlines Logo
11:30 am - 9:52 am
FCO
-
PIA
29h 22m
2 stops
$966United Airlines
Sat, Aug 22 - Wed, Sep 2

Iberia flights from Illinois to Rome Fiumicino Airport

Our best Iberia deals on Illinois to Rome Fiumicino Airport flight tickets
Iberia
Aug 5
STL10:16 amLambert-St Louis
18h 49m
1 stop
FCO12:05 pmRome Fiumicino
Aug 19
FCO1:10 pmRome Fiumicino
17h 32m
1 stop
STL11:42 pmLambert-St Louis
$791
Iberia
Aug 10
STL3:35 pmLambert-St Louis
13h 30m
1 stop
FCO12:05 pmRome Fiumicino
Aug 31
FCO1:10 pmRome Fiumicino
17h 32m
1 stop
STL11:42 pmLambert-St Louis
$841
Iberia
Aug 10
STL3:35 pmLambert-St Louis
13h 30m
1 stop
FCO12:05 pmRome Fiumicino
Aug 31
FCO12:00 pmRome Fiumicino
18h 42m
2 stops
STL11:42 pmLambert-St Louis
$844

British Airways flights from Illinois to Rome Fiumicino Airport

Our best British Airways deals on Illinois to Rome Fiumicino Airport flight tickets
British Airways
Nov 8
STL6:13 pmLambert-St Louis
16h 37m
2 stops
FCO5:50 pmRome Fiumicino
Nov 17
FCO11:00 amRome Fiumicino
28h 58m
1 stop
STL8:58 amLambert-St Louis
$794
British Airways
Nov 8
STL10:45 amLambert-St Louis
15h 15m
1 stop
FCO9:00 amRome Fiumicino
Nov 17
FCO11:00 amRome Fiumicino
30h 37m
1 stop
STL10:37 amLambert-St Louis
$796
British Airways
Aug 4
ORD9:15 pmChicago O'Hare Intl
12h 10m
1 stop
FCO4:25 pmRome Fiumicino
Aug 14
FCO6:55 amRome Fiumicino
18h 20m
1 stop
ORD6:15 pmChicago O'Hare Intl
$836

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Rome Fiumicino Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated May 12, 2026.
Use the filters below to find and compare flights from Illinois to Rome Fiumicino Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Wed 8/5

10:16 am-12:05 pm

1 stop18h 49m

Rome Fiumicino

Wed 8/19

1:10 pm-11:42 pm

1 stop17h 32m

$791

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Sun 11/8

6:13 pm-5:50 pm

2 stops16h 37m

Rome Fiumicino

Tue 11/17

11:00 am-8:58 am

1 stop28h 58m

$794

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Sun 8/30

12:52 pm-6:35 pm

2 stops22h 43m

Rome Fiumicino

Sun 9/6

9:30 am-11:37 pm

2 stops21h 07m

$801

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Wed 8/5

12:10 pm-9:15 am

1 stop14h 05m

Rome Fiumicino

Wed 8/19

2:20 pm-3:38 pm

2 stops32h 18m

$804

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Wed 8/5

3:30 pm-12:30 pm

1 stop14h 00m

Rome Fiumicino

Wed 8/19

2:20 pm-6:42 pm

1 stop35h 22m

$807

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Wed 8/5

8:00 am-9:15 am

2 stops18h 15m

Rome Fiumicino

Wed 8/19

2:20 pm-3:38 pm

2 stops32h 18m

$808

ChicagoRome

ORD - FCO

ORDFCO

Chicago O'Hare Intl

Thu 9/24

7:15 pm-6:35 pm

1 stop16h 20m

Rome Fiumicino

Sat 10/24

10:15 pm-5:45 pm

2 stops26h 30m

$813
Quickest round-trip

ChicagoRome

ORD - FCO

ORDFCO

Chicago O'Hare Intl

Tue 10/13

2:40 pm-8:50 am

1 stop11h 10m

Rome Fiumicino

Wed 10/28

9:45 am-7:25 pm

2 stops15h 40m

$825

ChicagoRome

ORD - FCO

ORDFCO

Chicago O'Hare Intl

Tue 7/21

6:30 am-1:15 pm

1 stop23h 45m

Rome Fiumicino

Wed 7/29

11:30 am-10:16 am

1 stop29h 46m

$829

PeoriaRome

PIA - FCO

PIAFCO

Greater Peoria

Sat 8/22

5:31 pm-7:55 am

1 stop31h 24m

Rome Fiumicino

Wed 9/2

11:30 am-9:52 am

2 stops29h 22m

$966

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Rome from

How to get the cheapest flight ticket from Illinois to Rome Fiumicino 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 cheapest month to fly to Rome Fiumicino Airport?

The cheapest month to fly to Rome Fiumicino Airport from Illinois is in January. Flight prices, which tend to average around $332, are often lower during this time because this is during the off-season. If you aren’t able to travel to Rome Fiumicino Airport during the month of January, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $333.

What is the cheapest day to depart on your flight to Rome Fiumicino Airport?

Our data shows that Monday is the least expensive day to fly to Rome Fiumicino Airport. Tickets to fly out on this day can be as low as $890. The most expensive day to fly to Rome Fiumicino Airport is Thursday, with ticket prices averaging around $1,017.

What is the cheapest Illinois to Rome Fiumicino flight route?

Fly from Chicago O'Hare Intl to Rome Fiumicino for the best Illinois - Rome Fiumicino flight prices

How far in advance should I book a flight from Illinois to Rome Fiumicino Airport?

You are more likely to see cheaper flights to Rome Fiumicino Airport from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Rome Fiumicino Airport for around $783 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Rome Fiumicino Airport from Illinois for as low as $751 on momondo.

Can stopping save me money on Illinois to Rome Fiumicino Airport flights?

No. A direct flight is the cheapest option for a flight between Illinois to Rome Fiumicino Airport.

Cheap Illinois to Rome Fiumicino Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Rome Fiumicino Airport

Best Price Found

$528

Fastest flight time

9h 05m

Direct flights

Every day
The best one-way flight to Rome Fiumicino Airport from Illinois in the past 72 hours is $528. The best round-trip flight deal from Illinois to Rome Fiumicino Airport found on momondo in the last 72 hours is $889.
The fastest flight from Illinois to Rome Fiumicino Airport takes 9h 05m
Direct flights go from Illinois to Rome Fiumicino Airport every day.

Frequently asked questions about flying from Illinois to Rome Fiumicino Airport

  • When did momondo last update prices for flights from Illinois to Rome Fiumicino Airport?

    Prices for flights from Illinois to Rome Fiumicino Airport were last updated today.

  • How many operators does momondo search for flights from Illinois to Rome Fiumicino Airport?

  • How old do you have to be to fly from Illinois to Rome Fiumicino Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois to Rome Fiumicino Airport.

  • What documentation or ID do you need to fly to Rome Fiumicino Airport?

    The travel and health documents you'll need for your trip to Rome Fiumicino Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Rome Fiumicino Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Illinois to Rome Fiumicino Airport?

Best airlines flying from Illinois to Rome Fiumicino Airport

Compare and see reviews for airlines that fly from Illinois to Rome Fiumicino Airport with momondo
Airline
Rating
Free Cancellation
Price
TAP AIR PORTUGALPriceFrom $337Free CancellationRating
7.2
2,250 reviews
Search TAP AIR PORTUGAL flights
Turkish AirlinesPriceFrom $375Free CancellationRating
7.4
4,362 reviews
Search Turkish Airlines flights
Air CanadaPriceFrom $384Free CancellationRating
7.1
11,026 reviews
Search Air Canada flights
IcelandairPriceFrom $395Free CancellationRating
7.0
654 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $420Free CancellationRating
7.4
1,775 reviews
Search Scandinavian Airlines flights
KLMPriceFrom $455Free CancellationRating
7.8
1,517 reviews
Search KLM flights
British AirwaysPriceFrom $455Free CancellationRating
6.7
7,975 reviews
Search British Airways flights
Air FrancePriceFrom $458Free CancellationRating
7.4
1,587 reviews
Search Air France flights
DeltaPriceFrom $481Free CancellationRating
7.9
8,453 reviews
Search Delta flights
IberiaPriceFrom $489Free CancellationRating
7.0
3,215 reviews
Search Iberia flights

Traveling to a place near Rome?

Book flights to Rome if you plan to visit one of these locations
Fiumicino
Civitavecchia
Cassino
Gaeta
Orvieto
Montepulciano
Ponza
Ladispoli
Pienza
Chianciano Terme
Terracina
Tivoli
Sperlonga
Ciampino
Santa Marinella
Orbetello
Saturnia
Vatican
Ascoli Piceno
Anzio

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Rome?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Rome from Illinois.

Can I find flights from Illinois to Rome with flexible booking policies on momondo?

momondo does allow users to show only those flights to Rome from Illinois which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Illinois to Rome?

Once you have performed a search for Illinois to Rome flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Illinois to Rome right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Rome from Illinois. 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.

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