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Cheap flights from Italy to St. Louis from $398

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 9/26. 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
1 adult, Economy, 0 bags

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.
Air Canada Logo
12:20 pm - 6:42 pm
MXP
-
STL
13h 22m
1 stop
Air Canada Logo
12:10 pm - 10:20 am
STL
-
MXP
15h 10m
1 stop
$865Air Canada
Tue, Sep 1 - Sun, Sep 20
Air Canada Logo
12:20 pm - 6:42 pm
MXP
-
STL
13h 22m
1 stop
Air Canada Logo
12:10 pm - 12:15 pm
STL
-
MXP
17h 05m
2 stops
$867Air Canada
Tue, Sep 1 - Sun, Sep 20
Multiple Airlines Logo
7:35 pm - 6:42 pm
FCO
-
STL
30h 07m
3 stops
Multiple Airlines Logo
2:40 pm - 7:00 pm
STL
-
FCO
21h 20m
2 stops
$870Multiple Airlines
Tue, Aug 18 - Mon, Aug 31
Lufthansa Logo
6:10 am - 1:25 pm
MXP
-
STL
14h 15m
1 stop
Lufthansa Logo
6:53 pm - 1:20 pm
STL
-
MXP
11h 27m
1 stop
$882Lufthansa
Tue, Sep 1 - Sun, Sep 20
Iberia Logo
6:20 am - 9:08 pm
VCE
-
STL
21h 48m
2 stops
Iberia Logo
1:06 pm - 7:00 pm
STL
-
VCE
22h 54m
2 stops
$883Iberia
Thu, Nov 12 - Mon, Nov 16
Multiple Airlines Logo
8:10 am - 7:40 pm
FCO
-
STL
18h 30m
2 stops
Multiple Airlines Logo
7:00 am - 9:50 pm
STL
-
FCO
31h 50m
2 stops
$899Multiple Airlines
Tue, Aug 18 - Mon, Aug 31
Air Canada Logo
10:40 am - 8:22 pm
MXP
-
STL
16h 42m
2 stops
Air Canada Logo
12:10 pm - 12:15 pm
STL
-
MXP
17h 05m
2 stops
$903Air Canada
Tue, Sep 1 - Sun, Sep 20
United Airlines Logo
10:40 am - 9:41 am
PSA
-
STL
30h 01m
2 stops
United Airlines Logo
11:35 am - 6:00 pm
STL
-
PSA
23h 25m
2 stops
$921United Airlines
Thu, Oct 1 - Mon, Oct 5
Lufthansa Logo
6:50 am - 1:25 pm
LIN
-
STL
13h 35m
1 stop
Lufthansa Logo
3:30 pm - 12:00 pm
STL
-
LIN
13h 30m
1 stop
$923Lufthansa
Tue, Sep 1 - Sun, Sep 20
United Airlines Logo
10:40 am - 10:30 pm
PSA
-
STL
18h 50m
2 stops
United Airlines Logo
3:30 pm - 6:00 pm
STL
-
PSA
19h 30m
1 stop
$926United Airlines
Thu, Oct 1 - Mon, Oct 5

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Air Canada flights from Italy to St. Louis

Our best Air Canada deals on Italy to St. Louis flight tickets
Air Canada
Sep 1
MXP12:20 pmMilan Malpensa
13h 22m
1 stop
STL6:42 pmLambert-St Louis
Sep 20
STL12:10 pmLambert-St Louis
15h 10m
1 stop
MXP10:20 amMilan Malpensa
$865
Air Canada
Sep 1
MXP12:20 pmMilan Malpensa
13h 22m
1 stop
STL6:42 pmLambert-St Louis
Sep 20
STL12:10 pmLambert-St Louis
17h 05m
2 stops
MXP12:15 pmMilan Malpensa
$867
Air Canada
Sep 1
MXP10:40 amMilan Malpensa
16h 42m
2 stops
STL8:22 pmLambert-St Louis
Sep 20
STL12:10 pmLambert-St Louis
17h 05m
2 stops
MXP12:15 pmMilan Malpensa
$903

Lufthansa flights from Italy to St. Louis

Our best Lufthansa deals on Italy to St. Louis flight tickets
Lufthansa
Sep 1
MXP6:10 amMilan Malpensa
14h 15m
1 stop
STL1:25 pmLambert-St Louis
Sep 20
STL6:53 pmLambert-St Louis
11h 27m
1 stop
MXP1:20 pmMilan Malpensa
$882
Lufthansa
Sep 1
LIN6:50 amMilan Linate
13h 35m
1 stop
STL1:25 pmLambert-St Louis
Sep 20
STL3:30 pmLambert-St Louis
13h 30m
1 stop
LIN12:00 pmMilan Linate
$923
Lufthansa
Nov 11
VCE7:00 amVenice Marco Polo
13h 45m
1 stop
STL1:45 pmLambert-St Louis
Nov 16
STL7:04 pmLambert-St Louis
14h 11m
2 stops
VCE4:15 pmVenice Marco Polo
$929

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 July 7, 2026.
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

Cheapest round-trip

MilanSt. Louis

MXP - STL

MXPSTL

Milan Malpensa

Tue 9/1

12:20 pm-6:42 pm

1 stop13h 22m

Lambert-St Louis

Sun 9/20

12:10 pm-10:20 am

1 stop15h 10m

$865

MilanSt. Louis

MXP - STL

MXPSTL

Milan Malpensa

Tue 9/1

12:20 pm-6:42 pm

1 stop13h 22m

Lambert-St Louis

Sun 9/20

12:10 pm-12:15 pm

2 stops17h 05m

$867

RomeSt. Louis

FCO - STL

FCOSTL

Rome Fiumicino

Tue 8/18

7:35 pm-6:42 pm

3 stops30h 07m

Lambert-St Louis

Mon 8/31

2:40 pm-7:00 pm

2 stops21h 20m

$870
Quickest round-trip

MilanSt. Louis

MXP - STL

MXPSTL

Milan Malpensa

Tue 9/1

6:10 am-1:25 pm

1 stop14h 15m

Lambert-St Louis

Sun 9/20

6:53 pm-1:20 pm

1 stop11h 27m

$882

VeniceSt. Louis

VCE - STL

VCESTL

Venice Marco Polo

Thu 11/12

6:20 am-9:08 pm

2 stops21h 48m

Lambert-St Louis

Mon 11/16

1:06 pm-7:00 pm

2 stops22h 54m

$883

RomeSt. Louis

FCO - STL

FCOSTL

Rome Fiumicino

Tue 8/18

8:10 am-7:40 pm

2 stops18h 30m

Lambert-St Louis

Mon 8/31

7:00 am-9:50 pm

2 stops31h 50m

$899

MilanSt. Louis

MXP - STL

MXPSTL

Milan Malpensa

Tue 9/1

10:40 am-8:22 pm

2 stops16h 42m

Lambert-St Louis

Sun 9/20

12:10 pm-12:15 pm

2 stops17h 05m

$903

PisaSt. Louis

PSA - STL

PSASTL

Pisa Gal Galilei

Thu 10/1

10:40 am-9:41 am

2 stops30h 01m

Lambert-St Louis

Mon 10/5

11:35 am-6:00 pm

2 stops23h 25m

$921

MilanSt. Louis

LIN - STL

LINSTL

Milan Linate

Tue 9/1

6:50 am-1:25 pm

1 stop13h 35m

Lambert-St Louis

Sun 9/20

3:30 pm-12:00 pm

1 stop13h 30m

$923

PisaSt. Louis

PSA - STL

PSASTL

Pisa Gal Galilei

Thu 10/1

10:40 am-10:30 pm

2 stops18h 50m

Lambert-St Louis

Mon 10/5

3:30 pm-6:00 pm

1 stop19h 30m

$926

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 month to fly to St. Louis?

In general, May is the cheapest month to fly from Italy to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. The month of March is another great option to travel to St. Louis, with average flight prices from Italy averaging around $0.

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

You could potentially save up to 9% 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

Fastest flight time

13h 35m

Direct flights

None
The fastest flight from Italy to St. Louis takes 13h 35m
There are no direct flights from Italy to St. Louis. There are no popular flight routes from Italy to St. Louis.
Search flight deals

Frequently asked questions about flying 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
Fairview Heights
Hermann
Maryland Heights
Florissant
St. Peters
O'Fallon
Collinsville
Alton
Farmington
Wentzville
Clayton
Fenton
Festus
Eureka
Litchfield
Edwardsville
Grafton
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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