Cheap flights from Italy to St. Louis from $508

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Italy to St. Louis departing on 4/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Italy to St. Louis

Recent round-trip flight deals from Italy to St. Louis

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:15 am - 9:31 pmMXP-STL
18h 16m2 stops
Multiple Airlines Logo
6:45 pm - 4:40 pmSTL-MXP
14h 55m2 stops
$768Multiple Airlines
Find Deal
dom, fev 15 - dom, mar 1
Multiple Airlines Logo
10:15 am - 11:07 amMXP-STL
31h 52m1 stop
Multiple Airlines Logo
6:45 pm - 4:40 pmSTL-MXP
14h 55m2 stops
$770Multiple Airlines
Find Deal
dom, fev 15 - dom, mar 1
Lufthansa Logo
7:05 am - 5:03 pmFCO-STL
16h 58m2 stops
Lufthansa Logo
11:50 am - 7:55 amSTL-FCO
13h 05m1 stop
$779Lufthansa
Find Deal
qua, dez 3 - dom, dez 7
British Airways Logo
7:20 am - 9:15 pmBLQ-STL
20h 55m2 stops
British Airways Logo
11:05 am - 12:55 pmSTL-BLQ
18h 50m2 stops
$780British Airways
Find Deal
qua, jan 14 - qui, jan 22
Lufthansa Logo
7:05 am - 1:55 pmFCO-STL
13h 50m1 stop
Lufthansa Logo
1:00 pm - 7:45 amSTL-FCO
11h 45m1 stop
$789Lufthansa
Find Deal
qua, dez 3 - dom, dez 7
British Airways Logo
7:50 am - 10:44 pmFCO-STL
21h 54m2 stops
British Airways Logo
1:35 pm - 12:00 pmSTL-FCO
15h 25m2 stops
$801British Airways
Find Deal
qua, jan 14 - qui, jan 22
United Airlines Logo
9:10 am - 10:58 pmMXP-STL
20h 48m2 stops
United Airlines Logo
6:30 am - 7:30 amSTL-MXP
18h 00m2 stops
$805United Airlines
Find Deal
sex, fev 6 - dom, fev 8
American Airlines Logo
12:30 pm - 7:29 pmPSA-STL
37h 59m2 stops
American Airlines Logo
5:30 pm - 11:35 amSTL-PSA
59h 05m2 stops
$805American Airlines
Find Deal
qui, dez 4 - seg, dez 8
American Airlines Logo
12:30 pm - 3:27 pmPSA-STL
33h 57m2 stops
American Airlines Logo
7:35 pm - 11:35 amSTL-PSA
57h 00m2 stops
$806American Airlines
Find Deal
qui, dez 4 - seg, dez 8
United Airlines Logo
6:55 am - 5:03 pmVCE-STL
17h 08m2 stops
United Airlines Logo
11:50 am - 8:55 amSTL-VCE
14h 05m1 stop
$807United Airlines
Find Deal
qui, dez 4 - seg, dez 8

Lufthansa flights from Italy to St. Louis

Our best Lufthansa deals on Italy to St. Louis flight tickets
Lufthansa
Dec 3
FCO7:05 amRome Fiumicino
16h 58m
2 stops
STL5:03 pmLambert-St Louis
Dec 7
STL11:50 amLambert-St Louis
13h 05m
1 stop
FCO7:55 amRome Fiumicino
Lufthansa
Dec 3
FCO7:05 amRome Fiumicino
13h 50m
1 stop
STL1:55 pmLambert-St Louis
Dec 7
STL1:00 pmLambert-St Louis
11h 45m
1 stop
FCO7:45 amRome Fiumicino
Lufthansa
Dec 3
FCO1:30 pmRome Fiumicino
34h 33m
2 stops
STL5:03 pmLambert-St Louis
Dec 7
STL6:42 pmLambert-St Louis
34h 58m
2 stops
FCO12:40 pmRome Fiumicino

British Airways flights from Italy to St. Louis

Our best British Airways deals on Italy to St. Louis flight tickets
British Airways
Jan 14
BLQ7:20 amBologna Guglielmo Marconi
20h 55m
2 stops
STL9:15 pmLambert-St Louis
Jan 22
STL11:05 amLambert-St Louis
18h 50m
2 stops
BLQ12:55 pmBologna Guglielmo Marconi
British Airways
Jan 14
FCO7:50 amRome Fiumicino
21h 54m
2 stops
STL10:44 pmLambert-St Louis
Jan 22
STL1:35 pmLambert-St Louis
15h 25m
2 stops
FCO12:00 pmRome Fiumicino
British Airways
Feb 15
LIN7:20 amMilan Linate
17h 43m
2 stops
STL6:03 pmLambert-St Louis
Mar 1
STL2:19 pmLambert-St Louis
15h 56m
2 stops
LIN1:15 pmMilan Linate

momondo Fare Finder

 
Customize your flight search to find flights from Italy to St. Louis 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 novembro 17, 2025.
Use the filters below to find and compare flights from Italy to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MilanSt. Louis

MXP - STL

MXPSTL

Milan Malpensa

dom 2/15

10:15 am-9:31 pm

2 stops18h 16m

Lambert-St Louis

dom 3/1

6:45 pm-4:40 pm

2 stops14h 55m

$768

MilanSt. Louis

MXP - STL

MXPSTL

Milan Malpensa

dom 2/15

10:15 am-11:07 am

1 stop31h 52m

Lambert-St Louis

dom 3/1

6:45 pm-4:40 pm

2 stops14h 55m

$770

RomeSt. Louis

FCO - STL

FCOSTL

Rome Fiumicino

qua 12/3

7:05 am-5:03 pm

2 stops16h 58m

Lambert-St Louis

dom 12/7

11:50 am-7:55 am

1 stop13h 05m

$779

BolognaSt. Louis

BLQ - STL

BLQSTL

Bologna Guglielmo Marconi

qua 1/14

7:20 am-9:15 pm

2 stops20h 55m

Lambert-St Louis

qui 1/22

11:05 am-12:55 pm

2 stops18h 50m

$780

RomeSt. Louis

FCO - STL

FCOSTL

Rome Fiumicino

qua 12/3

7:05 am-1:55 pm

1 stop13h 50m

Lambert-St Louis

dom 12/7

1:00 pm-7:45 am

1 stop11h 45m

$789

RomeSt. Louis

FCO - STL

FCOSTL

Rome Fiumicino

qua 1/14

7:50 am-10:44 pm

2 stops21h 54m

Lambert-St Louis

qui 1/22

1:35 pm-12:00 pm

2 stops15h 25m

$801

MilanSt. Louis

MXP - STL

MXPSTL

Milan Malpensa

sex 2/6

9:10 am-10:58 pm

2 stops20h 48m

Lambert-St Louis

dom 2/8

6:30 am-7:30 am

2 stops18h 00m

$805

PisaSt. Louis

PSA - STL

PSASTL

Pisa Gal Galilei

qui 12/4

12:30 pm-7:29 pm

2 stops37h 59m

Lambert-St Louis

seg 12/8

5:30 pm-11:35 am

2 stops59h 05m

$805

PisaSt. Louis

PSA - STL

PSASTL

Pisa Gal Galilei

qui 12/4

12:30 pm-3:27 pm

2 stops33h 57m

Lambert-St Louis

seg 12/8

7:35 pm-11:35 am

2 stops57h 00m

$806

VeniceSt. Louis

VCE - STL

VCESTL

Venice Marco Polo

qui 12/4

6:55 am-5:03 pm

2 stops17h 08m

Lambert-St Louis

seg 12/8

11:50 am-8:55 am

1 stop14h 05m

$807

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 St. Louis from

How to get the cheapest flight ticket from Italy to St. Louis

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 day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Thursday when prices can be found for as low as $786. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $947. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Italy at noon is the least expensive time of day to depart. momondo users have found prices as low as $929 when looking at flights departing at noon. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $947 per ticket.

Can stopping save me money on Italy to St. Louis flights?

You could potentially save up to 17% on your flight if you consider stops on a Italy to St. Louis flight.

Cheap Italy to St. Louis flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Italy to St. Louis

Direct flights

None
There are no direct flights from Italy to St. Louis. There are no popular flight routes from Italy to St. Louis.
  • When did momondo last update prices for flights from Italy to Lambert-St Louis Airport?

    Prices for flights from Italy to Lambert-St Louis Airport refresh daily.

  • How old do you have to be to fly from Italy to Lambert-St Louis Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Italy to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents required for your trip to Lambert-St Louis 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 Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Florissant
Maryland Heights
O'Fallon
Wentzville
Fenton
Collinsville
St. Peters
Alton
Farmington
Festus
Glencoe
Edwardsville
Clayton
Eureka
Litchfield
Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from Italy to St. Louis?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Italy to St. Louis. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Italy to St. Louis with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Italy to St. Louis flights to just show those with flexible booking policies.

How can momondo help me find flights from Italy to St. Louis?

momondo helps you find the best flight between Italy and St. Louis by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Italy to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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1 adult
qua 12/17
qua 12/24

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