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St. Louis

$345+ Cheap flights from Italy to St. Louis (STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
NAP — STL
Apr 7 — Apr 141
Tue 4/7
Tue 4/14
1 adult, Economy
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Cheap flight deals from Italy to St. Louis

Cheapest flights from Italy to St. Louis
Explore the most affordable flight options available from Italy to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 8, 2026.

This United Airlines deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:35 am
BLQ
-
STL
1 stop13h 50m
United Airlines
Sun 9/2710:23 am
STL
-
BLQ
2 stops16h 17m
United Airlines
Deal found 3/3$827
This American Airlines deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2212:05 pm
PSA
-
STL
1 stop14h 25m
American Airlines
Sun 4/264:30 pm
STL
-
PSA
2 stops20h 30m
American Airlines
Deal found 3/5$828
This United Airlines deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2210:45 am
PSA
-
STL
2 stops17h 09m
United Airlines
Sun 4/2610:00 am
STL
-
PSA
2 stops24h 55m
United Airlines
Deal found 3/3$830
This United Airlines deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/310:15 am
BLQ
-
STL
2 stops19h 39m
United Airlines
Sun 12/63:15 pm
STL
-
BLQ
2 stops14h 25m
United Airlines
Deal found 3/4$831
This United Airlines deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/139:10 am
MXP
-
STL
2 stops20h 44m
United Airlines
Tue 11/173:15 pm
STL
-
MXP
1 stop14h 50m
United Airlines
Deal found 3/4$832
This United Airlines deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/196:30 am
VCE
-
STL
1 stop13h 55m
United Airlines
Sun 4/269:10 am
STL
-
VCE
2 stops24h 25m
United Airlines
Deal found 3/4$832
This American Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/131:00 pm
MXP
-
STL
1 stop16h 32m
American Airlines
Tue 11/176:45 pm
STL
-
MXP
2 stops18h 00m
American Airlines
Deal found 3/7$833
This Flighttix deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:15 am
BLQ
-
STL
1 stop14h 10m
Lufthansa
Fri 4/241:10 pm
STL
-
BLQ
2 stops18h 20m
Lufthansa
Deal found 3/3$833
This United Airlines deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/26:30 am
FLR
-
STL
2 stops19h 52m
United Airlines
Mon 4/61:10 pm
STL
-
FLR
2 stops20h 25m
United Airlines
Deal found 3/4$834
This United Airlines deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:40 am
VCE
-
STL
2 stops21h 29m
United Airlines
Sun 9/278:25 am
STL
-
VCE
1 stop16h 30m
United Airlines
Deal found 3/3$834
This United Airlines deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/249:00 am
MXP
-
STL
2 stops19h 09m
United Airlines
Sun 9/2712:10 pm
STL
-
MXP
1 stop15h 10m
United Airlines
Deal found 3/3$835
This United Airlines deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:20 am
LIN
-
STL
1 stop14h 05m
United Airlines
Tue 10/2710:23 am
STL
-
LIN
2 stops21h 47m
United Airlines
Deal found 3/4$835

Find flight deals from Italy to St. Louis

Keep the following information in mind while searching for Italy to St. Louis flight deals. Data was last updated March 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$827
(Flighttix)

One-way from

$345
(Kiwi.com)
Provider with most accurate pricing for Rome (ROM)-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Rome (ROM)-Lambert-St Louis flights.
Search Deals
From Italy to Lambert-St Louis
Search Deals
One-way flight from Italy to Lambert-St Louis
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated March 8, 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

BolognaSt. Louis

BLQ - STL

BLQSTL

Bologna Guglielmo Marconi

Fri 4/17

6:15 am-3:25 pm

2 stops16h 10m

Lambert-St Louis

Fri 4/24

1:10 pm-2:30 pm

2 stops18h 20m

$827

PisaSt. Louis

PSA - STL

PSASTL

Pisa Gal Galilei

Wed 4/22

12:05 pm-7:30 pm

1 stop14h 25m

Lambert-St Louis

Sun 4/26

4:30 pm-8:00 pm

2 stops20h 30m

$828

PisaSt. Louis

PSA - STL

PSASTL

Pisa Gal Galilei

Wed 4/22

10:45 am-8:54 pm

2 stops17h 09m

Lambert-St Louis

Sun 4/26

10:00 am-5:55 pm

2 stops24h 55m

$830

MilanSt. Louis

MXP - STL

MXPSTL

Milan Malpensa

Fri 4/24

12:20 pm-10:56 am

2 stops29h 36m

Lambert-St Louis

Tue 4/28

6:15 am-10:20 am

2 stops21h 05m

$832

VeniceSt. Louis

VCE - STL

VCESTL

Venice Marco Polo

Sun 4/19

6:30 am-1:25 pm

1 stop13h 55m

Lambert-St Louis

Sun 4/26

9:10 am-4:35 pm

2 stops24h 25m

$832

BolognaSt. Louis

BLQ - STL

BLQSTL

Bologna Guglielmo Marconi

Fri 4/17

6:15 am-1:25 pm

1 stop14h 10m

Lambert-St Louis

Fri 4/24

1:10 pm-2:30 pm

2 stops18h 20m

$833

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Thu 4/2

6:30 am-7:22 pm

2 stops19h 52m

Lambert-St Louis

Mon 4/6

1:10 pm-4:35 pm

2 stops20h 25m

$834

VeniceSt. Louis

VCE - STL

VCESTL

Venice Marco Polo

Mon 4/20

12:15 pm-7:29 pm

1 stop14h 14m

Lambert-St Louis

Mon 4/27

8:03 pm-8:00 pm

2 stops16h 57m

$836

VeniceSt. Louis

VCE - STL

VCESTL

Venice Marco Polo

Fri 4/17

6:20 am-6:11 pm

2 stops18h 51m

Lambert-St Louis

Fri 4/24

9:10 am-2:00 pm

2 stops21h 50m

$841

RomeSt. Louis

FCO - STL

FCOSTL

Rome Fiumicino

Thu 4/2

7:10 am-3:48 pm

2 stops15h 38m

Lambert-St Louis

Mon 4/6

6:05 pm-12:20 pm

1 stop35h 15m

$843

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/5

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Italy to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Italy with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Italy to St. Louis
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Italy to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to St. Louis from Italy?

    Located just 12.7 mi from the city center, Lambert-St Louis (STL) is the airport most travelers will use when flying to St. Louis from Italy.

  • How long is the flight from Italy to St. Louis?

    American Airlines, United Airlines, and Lufthansa can get you from Italy to St. Louis in just under 14h 10m. Your travel time can differ by up to 2h 59m. The distance from Italy to St. Louis is about 4898 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Italy to St. Louis one-way?

    One-way options have recently been found by users for as low as $507 on American Airlines. Other airlines that offer cheap prices include British Airways from $535 and Aer Lingus from $535 one-way.

  • What are the most popular routes from Italy to St. Louis?

    Most travelers choose Rome Fiumicino - Lambert-St Louis, Milan Malpensa - Lambert-St Louis or Venice Marco Polo - Lambert-St Louis when deciding on the best route from Italy to St. Louis.

  • Can I find deals for flights from Italy to St. Louis that include hotel bookings?

    Yes. In addition to deals on Italy to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Italy to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Italy to St. Louis.

  • Can I find deals for business class flights from Italy to St. Louis?

    Yes. Cheapflights offers flight deals from Italy to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus

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