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St. Louis

$399+ 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
NAP — STL
Aug 2 — Aug 91
Sun 8/2
Sun 8/9
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 July 3, 2026.

This lol.travel deal was found by Cheapflights users on 6/30. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/231:30 pm
FCO
-
STL
1 stop17h 13m
British Airways
Sun 9/279:40 pm
STL
-
FCO
1 stop12h 25m
British Airways
Deal found 6/30$877
This Iberia deal was found by Cheapflights users on 6/29. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/147:00 pm
FCO
-
STL
2 stops20h 58m
Iberia
Mon 11/3010:45 am
STL
-
FCO
1 stop15h 15m
Iberia
Deal found 6/29$886
This Iberia deal was found by Cheapflights users on 7/2. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:20 pm
FCO
-
STL
2 stops19h 38m
Iberia
Sat 11/710:45 am
STL
-
FCO
1 stop15h 15m
Iberia
Deal found 7/2$889
This Priceline deal was found by Cheapflights users on 6/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2510:50 am
FCO
-
STL
1 stop16h 18m
Iberia
Mon 10/2611:31 am
STL
-
FCO
1 stop15h 29m
Iberia
Deal found 6/30$891
This Priceline deal was found by Cheapflights users on 6/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2510:50 am
FCO
-
STL
1 stop16h 18m
Multiple Airlines
Mon 10/267:10 pm
STL
-
FCO
2 stops18h 25m
Multiple Airlines
Deal found 6/30$895
This Expedia deal was found by Cheapflights users on 6/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/148:20 pm
FCO
-
STL
2 stops19h 38m
Multiple Airlines
Mon 11/307:04 pm
STL
-
FCO
2 stops20h 56m
Multiple Airlines
Deal found 6/29$896
This Condor deal was found by Cheapflights users on 7/2. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/188:10 am
FCO
-
STL
2 stops18h 30m
Multiple Airlines
Mon 8/317:00 am
STL
-
FCO
2 stops25h 50m
Multiple Airlines
Deal found 7/2$909
This United Airlines deal was found by Cheapflights users on 7/1. 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 12/36:25 am
LIN
-
STL
2 stops18h 41m
United Airlines
Sun 12/63:15 pm
STL
-
LIN
2 stops18h 40m
United Airlines
Deal found 7/1$928
This Gotogate deal was found by Cheapflights users on 6/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:35 am
FCO
-
STL
2 stops16h 06m
Multiple Airlines
Sun 9/272:40 pm
STL
-
FCO
1 stop12h 40m
Multiple Airlines
Deal found 6/30$929
This United Airlines deal was found by Cheapflights users on 6/28. 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 11/127:05 am
FCO
-
STL
2 stops23h 04m
United Airlines
Mon 11/161:08 pm
STL
-
FCO
1 stop11h 37m
United Airlines
Deal found 6/28$930
This Condor deal was found by Cheapflights users on 6/29. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/137:40 am
VCE
-
STL
2 stops19h 05m
Multiple Airlines
Thu 8/207:00 am
STL
-
VCE
2 stops30h 45m
Multiple Airlines
Deal found 6/29$936
This Priceline deal was found by Cheapflights users on 6/28. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/152:20 pm
MXP
-
STL
1 stop13h 35m
Multiple Airlines
Mon 11/163:23 pm
STL
-
MXP
2 stops15h 17m
Multiple Airlines
Deal found 6/28$968

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 July 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$877
(lol.travel)

One-way from

$399
(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 July 3, 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

LIN - STL

LINSTL

Milan Linate

Thu 12/3

6:25 am-6:06 pm

2 stops18h 41m

Lambert-St Louis

Sun 12/6

3:15 pm-4:55 pm

2 stops18h 40m

$928

RomeSt. Louis

FCO - STL

FCOSTL

Rome Fiumicino

Thu 11/12

7:05 am-11:09 pm

2 stops23h 04m

Lambert-St Louis

Mon 11/16

1:08 pm-7:45 am

1 stop11h 37m

$930

VeniceSt. Louis

VCE - STL

VCESTL

Venice Marco Polo

Thu 8/13

7:40 am-7:45 pm

2 stops19h 05m

Lambert-St Louis

Thu 8/20

7:00 am-8:45 pm

2 stops30h 45m

$936

MilanSt. Louis

LIN - STL

LINSTL

Milan Linate

Sun 11/15

7:20 am-7:29 pm

2 stops19h 09m

Lambert-St Louis

Mon 11/16

3:23 pm-1:15 pm

2 stops14h 52m

$973
Quickest round-trip

RomeSt. Louis

FCO - STL

FCOSTL

Rome Fiumicino

Sat 8/15

9:20 am-4:35 pm

1 stop14h 15m

Lambert-St Louis

Sat 8/22

9:32 am-7:25 am

1 stop14h 53m

$975

RomeSt. Louis

FCO - STL

FCOSTL

Rome Fiumicino

Tue 8/4

6:05 am-4:17 pm

2 stops17h 12m

Lambert-St Louis

Wed 9/30

5:59 pm-2:25 pm

2 stops13h 26m

$1,039

RomeSt. Louis

FCO - STL

FCOSTL

Rome Fiumicino

Wed 8/5

10:00 am-11:26 pm

2 stops20h 26m

Lambert-St Louis

Tue 9/29

5:59 pm-4:35 pm

2 stops15h 36m

$1,040

MilanSt. Louis

LIN - STL

LINSTL

Milan Linate

Thu 7/30

6:25 am-8:37 pm

2 stops21h 12m

Lambert-St Louis

Mon 12/7

5:45 pm-1:55 pm

2 stops13h 10m

$1,043

MilanSt. Louis

LIN - STL

LINSTL

Milan Linate

Thu 7/30

6:25 am-8:37 pm

2 stops21h 12m

Lambert-St Louis

Sun 12/13

2:18 pm-11:15 am

2 stops13h 57m

$1,043

MilanSt. Louis

LIN - STL

LINSTL

Milan Linate

Thu 7/30

6:25 am-8:37 pm

2 stops21h 12m

Lambert-St Louis

Sun 12/6

2:18 pm-11:15 am

2 stops13h 57m

$1,043

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

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?

    United Airlines, Delta, and American Airlines can get you from Italy to St. Louis in just under 18h 37m. Your travel time can differ by up to 9h 26m. 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 $98 on Delta. Other airlines that offer cheap prices include United Airlines from $196 and Southwest from $199 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 Milan Linate - 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
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Alton
Farmington

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