St. Louis

$351+ 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
NAP — STL
Jan 27 — Feb 31
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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 December 28, 2025.

This Finnair deal was found by Cheapflights users on 12/26. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:10 pmFCO - STL
1 stop28h 40mMultiple Airlines
Thu 6/255:06 pmSTL - FCO
1 stop11h 14mMultiple Airlines
Deal found 12/26$1,082
This Ovago deal was found by Cheapflights users on 12/26. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:15 pmLIN - STL
2 stops33h 15mBritish Airways
Wed 3/1811:59 amSTL - LIN
2 stops17h 31mBritish Airways
Deal found 12/26$1,112
This Delta deal was found by Cheapflights users on 12/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:30 amLIN - STL
2 stops21h 11mDelta
Tue 3/1710:12 amSTL - LIN
2 stops16h 33mDelta
Deal found 12/26$1,135
This Delta deal was found by Cheapflights users on 12/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:55 amMXP - STL
2 stops17h 06mDelta
Tue 3/1712:04 pmSTL - MXP
2 stops16h 31mDelta
Deal found 12/26$1,136
This KLM deal was found by Cheapflights users on 12/26. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3010:55 amLIN - STL
2 stops16h 46mMultiple Airlines
Wed 3/185:59 pmSTL - LIN
2 stops13h 56mMultiple Airlines
Deal found 12/26$1,147
This Delta deal was found by Cheapflights users on 12/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:55 amMXP - STL
2 stops22h 21mDelta
Sat 3/215:57 pmSTL - MXP
2 stops14h 58mDelta
Deal found 12/26$1,148
This Delta deal was found by Cheapflights users on 12/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3011:05 amMXP - STL
1 stop17h 38mDelta
Mon 3/2312:04 pmSTL - MXP
2 stops20h 51mDelta
Deal found 12/26$1,157
This KLM deal was found by Cheapflights users on 12/26. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3010:55 amLIN - STL
2 stops16h 46mMultiple Airlines
Thu 3/195:59 pmSTL - LIN
2 stops13h 56mMultiple Airlines
Deal found 12/26$1,158
This Delta deal was found by Cheapflights users on 12/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:30 amLIN - STL
2 stops24h 08mDelta
Tue 3/2410:50 amSTL - LIN
2 stops21h 05mDelta
Deal found 12/26$1,159
This Delta deal was found by Cheapflights users on 12/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:55 amMXP - STL
2 stops17h 06mDelta
Mon 3/163:05 pmSTL - MXP
2 stops14h 35mDelta
Deal found 12/26$1,160
This Delta deal was found by Cheapflights users on 12/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3011:05 amMXP - STL
1 stop17h 38mDelta
Sat 3/215:00 pmSTL - MXP
1 stop33h 05mDelta
Deal found 12/26$1,161
This Delta deal was found by Cheapflights users on 12/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3011:05 amMXP - STL
1 stop17h 38mDelta
Sun 3/226:04 amSTL - MXP
1 stop20h 01mDelta
Deal found 12/26$1,171

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 December 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$722
(American Airlines)

One-way from

$427
(Kiwi.com)
Provider with most accurate pricing for Rome (ROM)-Lambert-St Louis flight deals.
Provider most trusted by Cheapflights users for Rome (ROM)-Lambert-St Louis flights.
From Italy to Lambert-St Louis
One-way flight from Italy to Lambert-St Louis

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 December 28, 2025.
Use the filters below to find and compare flights from Italy to St. Louis that are best for you.

Fly from

Italy

Fly to

St. Louis

Route

Depart

Return

Price

PisaSt. Louis

PSA - STL

PSASTL

Pisa Gal Galilei

Thu 5/7

9:10 pm-4:13 pm

2 stops26h 03m

Lambert-St Louis

Mon 5/11

9:38 am-11:40 am

2 stops19h 02m

$722

VeniceSt. Louis

VCE - STL

VCESTL

Venice Marco Polo

Sun 1/11

8:25 pm-4:14 pm

2 stops26h 49m

Lambert-St Louis

Sun 1/18

1:35 pm-1:20 pm

2 stops16h 45m

$733

MilanSt. Louis

MXP - STL

MXPSTL

Milan Malpensa

Wed 2/11

10:25 am-9:51 pm

2 stops18h 26m

Lambert-St Louis

Wed 2/18

5:52 pm-8:00 pm

2 stops19h 08m

$736

BolognaSt. Louis

BLQ - STL

BLQSTL

Bologna Guglielmo Marconi

Mon 1/19

8:15 pm-6:14 pm

2 stops52h 59m

Lambert-St Louis

Fri 1/30

5:04 pm-5:35 pm

2 stops17h 31m

$738

VeniceSt. Louis

VCE - STL

VCESTL

Venice Marco Polo

Mon 2/9

6:55 am-8:13 pm

2 stops20h 18m

Lambert-St Louis

Mon 2/16

2:24 pm-1:30 pm

2 stops16h 06m

$738

RomeSt. Louis

FCO - STL

FCOSTL

Rome Fiumicino

Thu 1/22

7:30 am-9:15 pm

2 stops20h 45m

Lambert-St Louis

Mon 1/26

2:54 pm-2:55 pm

2 stops17h 01m

$748

MilanSt. Louis

LIN - STL

LINSTL

Milan Linate

Wed 1/14

11:35 am-10:55 pm

2 stops42h 20m

Lambert-St Louis

Sun 1/18

11:05 am-11:00 pm

2 stops28h 55m

$802

MilanSt. Louis

MXP - STL

MXPSTL

Milan Malpensa

Mon 1/19

7:00 pm-10:59 pm

2 stops34h 59m

Lambert-St Louis

Fri 1/30

6:00 am-8:05 am

2 stops19h 05m

$814

MilanSt. Louis

MXP - STL

MXPSTL

Milan Malpensa

Wed 1/21

7:00 pm-10:59 pm

2 stops34h 59m

Lambert-St Louis

Fri 1/30

6:00 am-8:05 am

2 stops19h 05m

$814

MilanSt. Louis

LIN - STL

LINSTL

Milan Linate

Mon 1/12

6:55 pm-4:14 pm

2 stops28h 19m

Lambert-St Louis

Sun 1/18

1:35 pm-2:20 pm

2 stops17h 45m

$841

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/27

Showing 1-10 of 60 results
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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

What is the cheapest month to book a flight from Italy to St. Louis?

Currently, April is the cheapest month in which you can book a flight from Italy to St. Louis (average of $793). Flying from Italy to St. Louis in November is currently the most expensive (average of $1,471). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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, British Airways, and Iberia can get you from Italy to St. Louis in just under 26h 03m. Your travel time can differ by up to 26h 56m. The distance from Italy to St. Louis is about 4896 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 $523 and Aer Lingus from $535 one-way.

  • What are the most popular routes 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.

  • What is the cheapest month to book a flight from Italy to St. Louis?

    Currently, April is the cheapest month in which you can book a flight from Italy to St. Louis (average of $793). Flying from Italy to St. Louis in November is currently the most expensive (average of $1,471). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
Chesterfield
Alton
Farmington
Festus

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