What is the cheapest airline that flies from Italy to Lambert-St Louis?

Finnair, Iberia, and British Airways are the most popular carriers operating from Italy to Lambert-St Louis

How long does it take to fly to St. Louis?

Flight times from Italy to St. Louis vary, but if you’re flying out of Milan and flying into St. Louis (one of the most popular routes), then the duration is 16h 46m on average. Another popular route from Italy to St. Louis is flying from Venice to St. Louis, which will take roughly 41h 48m. Keep in mind that layovers or delays could extend your travel time.

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.

$436 Cheap Flights from Italy to St. Louis in 2026

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Find the cheapest flights from Italy to St. Louis

Round-trip

One-way

Last minute

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

Enter your travel dates to find the best prices.

9:20 pm - 7:30 pm

PSA

STL

29h 10m

2 stops

6:11 pm - 7:35 pm

STL

PSA

18h 24m

2 stops

$732American Airlines

Thu, May 7 - Mon, May 11

9:20 pm - 10:14 pm

PSA

STL

31h 54m

2 stops

4:46 pm - 7:35 pm

STL

PSA

19h 49m

2 stops

$734American Airlines

Thu, May 7 - Mon, May 11

6:20 am - 3:24 pm

MXP

STL

16h 04m

2 stops

1:00 pm - 4:40 pm

STL

MXP

20h 40m

2 stops

$737Multiple Airlines

Sat, Apr 18 - Sat, May 9

6:40 pm - 4:16 pm

MXP

STL

28h 36m

2 stops

9:35 pm - 12:50 pm

STL

MXP

32h 15m

1 stop

$741British Airways

Tue, May 19 - Fri, Jun 19

7:25 am - 5:21 pm

LIN

STL

16h 56m

2 stops

9:35 pm - 9:40 pm

STL

LIN

17h 05m

1 stop

$748British Airways

Tue, May 19 - Fri, Jun 19

2:15 pm - 3:29 pm

FLR

STL

31h 14m

2 stops

4:05 pm - 8:30 am

STL

FLR

34h 25m

2 stops

$754Multiple Airlines

Thu, Mar 12 - Thu, Mar 19

9:00 am - 3:24 pm

MXP

STL

37h 24m

2 stops

6:49 pm - 1:20 pm

STL

MXP

11h 31m

1 stop

$768United Airlines

Sat, Apr 18 - Sat, May 2

6:30 am - 10:59 pm

FLR

STL

23h 29m

2 stops

7:41 am - 1:50 pm

STL

FLR

23h 09m

2 stops

$770United Airlines

Wed, Feb 18 - Wed, Feb 25

6:55 am - 6:00 pm

MXP

STL

17h 05m

2 stops

11:28 am - 7:30 am

STL

MXP

14h 02m

1 stop

$770Lufthansa

Thu, Mar 12 - Thu, Mar 19

9:45 am - 11:51 pm

MXP

STL

20h 06m

1 stop

11:28 am - 7:30 am

STL

MXP

14h 02m

1 stop

$781Lufthansa

Thu, Mar 12 - Thu, Mar 19

United Airlines flights from Italy to St. Louis

Our best United Airlines deals on Italy to St. Louis flight tickets

United Airlines

Apr 18

MXP9:00 amMilan Malpensa

37h 24m

2 stops

STL3:24 pmLambert-St Louis

May 2

STL6:49 pmLambert-St Louis

11h 31m

1 stop

MXP1:20 pmMilan Malpensa

$768

United Airlines

Feb 18

FLR6:30 amFlorence Peretola

23h 29m

2 stops

STL10:59 pmLambert-St Louis

Feb 25

STL7:41 amLambert-St Louis

23h 09m

2 stops

FLR1:50 pmFlorence Peretola

$770

United Airlines

May 19

MXP9:00 amMilan Malpensa

32h 48m

2 stops

STL10:48 amLambert-St Louis

Jun 19

STL3:30 pmLambert-St Louis

12h 05m

1 stop

MXP10:35 amMilan Malpensa

$774

Lufthansa flights from Italy to St. Louis

Our best Lufthansa deals on Italy to St. Louis flight tickets

Lufthansa

Mar 12

MXP6:55 amMilan Malpensa

17h 05m

2 stops

STL6:00 pmLambert-St Louis

Mar 19

STL11:28 amLambert-St Louis

14h 02m

1 stop

MXP7:30 amMilan Malpensa

$770

Lufthansa

Mar 12

MXP9:45 amMilan Malpensa

20h 06m

1 stop

STL11:51 pmLambert-St Louis

Mar 19

STL11:28 amLambert-St Louis

14h 02m

1 stop

MXP7:30 amMilan Malpensa

$781

Lufthansa

Mar 13

LIN6:10 amMilan Linate

14h 45m

1 stop

STL2:55 pmLambert-St Louis

Mar 20

STL7:00 pmLambert-St Louis

33h 05m

2 stops

LIN10:05 amMilan Linate

$788

Fly from

Fly to

Route

Depart

Return

Price

PisaSt. Louis

PSA - STL

PSASTL

Pisa Gal Galilei

Thu 5/7

9:20 pm-7:30 pm

2 stops29h 10m

Lambert-St Louis

Mon 5/11

6:11 pm-7:35 pm

2 stops18h 24m

$732

PisaSt. Louis

PSA - STL

PSASTL

Pisa Gal Galilei

Thu 5/7

9:20 pm-10:14 pm

2 stops31h 54m

Lambert-St Louis

Mon 5/11

4:46 pm-7:35 pm

2 stops19h 49m

$734

MilanSt. Louis

MXP - STL

MXPSTL

Milan Malpensa

Sat 4/18

6:20 am-3:24 pm

2 stops16h 04m

Lambert-St Louis

Sat 5/9

1:00 pm-4:40 pm

2 stops20h 40m

$737

MilanSt. Louis

MXP - STL

MXPSTL

Milan Malpensa

Tue 5/19

6:40 pm-4:16 pm

2 stops28h 36m

Lambert-St Louis

Fri 6/19

9:35 pm-12:50 pm

1 stop32h 15m

$741

MilanSt. Louis

LIN - STL

LINSTL

Milan Linate

Tue 5/19

7:25 am-5:21 pm

2 stops16h 56m

Lambert-St Louis

Fri 6/19

9:35 pm-9:40 pm

1 stop17h 05m

$748

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Thu 3/12

2:15 pm-3:29 pm

2 stops31h 14m

Lambert-St Louis

Thu 3/19

4:05 pm-8:30 am

2 stops34h 25m

$754

MilanSt. Louis

MXP - STL

MXPSTL

Milan Malpensa

Sat 4/18

9:00 am-3:24 pm

2 stops37h 24m

Lambert-St Louis

Sat 5/2

6:49 pm-1:20 pm

1 stop11h 31m

$768

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Wed 2/18

6:30 am-10:59 pm

2 stops23h 29m

Lambert-St Louis

Wed 2/25

7:41 am-1:50 pm

2 stops23h 09m

$770

MilanSt. Louis

MXP - STL

MXPSTL

Milan Malpensa

Thu 3/12

6:55 am-6:00 pm

2 stops17h 05m

Lambert-St Louis

Thu 3/19

11:28 am-7:30 am

1 stop14h 02m

$770

MilanSt. Louis

MXP - STL

MXPSTL

Milan Malpensa

Thu 3/12

9:45 am-11:51 pm

1 stop20h 06m

Lambert-St Louis

Thu 3/19

11:28 am-7:30 am

1 stop14h 02m

$781

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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

You could potentially save up to 2% 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	12h 50m
Direct flights	None

The fastest flight from Italy to St. Louis takes 12h 50m

There are no direct flights from Italy to St. Louis. There are no popular flight routes from Italy to St. Louis.

Search flight deals

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.

St. Charles

Chesterfield

Hermann

Fairview Heights

Maryland Heights

Florissant

O'Fallon

Collinsville

Fenton

St. Peters

Wentzville

Alton

Farmington

Clayton

Edwardsville

Eureka

Festus

Glencoe

Litchfield

Shrewsbury

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

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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.