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Italy

$275+ Cheap flights from St. Louis (STL) to Italy

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 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
STL — NAP
abr. 7 — abr. 141
dt. 4/7
dt. 4/14
1 adult, Economy
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Cheap flight deals from St. Louis to Italy

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

This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dc. 8/1211:51 am
STL
-
LIN
2 stops13h 59m
Delta
dc. 8/266:40 am
LIN
-
STL
2 stops20h 51m
Delta
Deal found 3/4$524
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dc. 8/125:00 am
STL
-
MXP
2 stops22h 20m
United Airlines
dc. 8/2612:20 pm
MXP
-
STL
2 stops31h 29m
United Airlines
Deal found 3/5$545
This BusinessClass 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dc. 8/129:35 pm
STL
-
MXP
1 stop19h 00m
British Airways
dc. 8/268:25 am
MXP
-
STL
2 stops18h 54m
British Airways
Deal found 3/4$555
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dt. 8/412:10 pm
STL
-
MXP
1 stop15h 10m
Air Canada
dc. 8/1912:20 pm
MXP
-
STL
2 stops32h 42m
Air Canada
Deal found 3/5$559
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dg. 4/269:40 pm
STL
-
MXP
1 stop18h 55m
British Airways
dt. 5/58:30 am
MXP
-
STL
2 stops15h 11m
British Airways
Deal found 3/4$560
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dg. 4/264:05 pm
STL
-
MXP
2 stops19h 30m
Multiple Airlines
dt. 5/511:20 am
MXP
-
STL
2 stops15h 44m
Multiple Airlines
Deal found 3/4$562
This Flysmarter 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dc. 4/226:15 am
STL
-
MXP
3 stops20h 35m
Air Canada
dc. 4/299:45 am
MXP
-
STL
1 stop13h 58m
Air Canada
Deal found 3/4$564
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dc. 4/229:10 am
STL
-
MXP
2 stops18h 10m
Multiple Airlines
dc. 4/296:00 am
MXP
-
STL
2 stops16h 25m
Multiple Airlines
Deal found 3/4$569
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dv. 8/1412:10 pm
STL
-
MXP
2 stops22h 50m
United Airlines
dv. 8/2812:20 pm
MXP
-
STL
1 stop13h 07m
United Airlines
Deal found 3/5$574
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dc. 4/226:15 am
STL
-
MXP
2 stops21h 05m
United Airlines
dc. 4/2912:20 pm
MXP
-
STL
2 stops41h 25m
United Airlines
Deal found 3/5$576
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dv. 10/2312:10 pm
STL
-
LIN
2 stops14h 45m
Multiple Airlines
dg. 11/16:10 am
LIN
-
STL
1 stop14h 45m
Multiple Airlines
Deal found 3/4$576
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.
dl. 8/171:18 pm
STL
-
FLR
2 stops23h 57m
United Airlines
dt. 8/256:30 am
FLR
-
STL
2 stops42h 57m
United Airlines
Deal found 3/4$578

Find flight deals from St. Louis to Italy

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

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$524
(Delta)

One-way from

$275
(Booking.com)

Popular in

June

Cheapest in

February

Average price

$894
Provider with most accurate pricing for Lambert-St Louis-Rome (ROM) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Rome (ROM) flights.
Search Deals
From Lambert-St Louis to Italy
Search Deals
One-way flight from Lambert-St Louis to Italy
Search Deals
Highest demand for flights based on searches. 30% potential increase in price ($399 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($62 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Italy 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 març 8, 2026.
Use the filters below to find and compare flights from St. Louis to Italy that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

dl. 8/17

1:18 pm-8:15 pm

2 stops23h 57m

Florence Peretola

dt. 8/25

6:30 am-6:27 pm

2 stops42h 57m

$578

St. LouisMilan

STL - LIN

STLLIN

Lambert-St Louis

dl. 3/30

12:28 pm-11:20 am

2 stops15h 52m

Milan Linate

dl. 4/6

11:00 am-11:58 pm

2 stops19h 58m

$654

St. LouisNaples

STL - NAP

STLNAP

Lambert-St Louis

dg. 4/5

6:30 am-7:00 am

2 stops17h 30m

Naples

dt. 4/21

9:45 am-11:57 pm

1 stop21h 12m

$690

St. LouisNaples

STL - NAP

STLNAP

Lambert-St Louis

dt. 4/14

8:03 pm-6:05 pm

2 stops15h 02m

Naples

dt. 4/21

12:55 pm-7:30 pm

1 stop13h 35m

$701

St. LouisCatania

STL - CTA

STLCTA

Lambert-St Louis

dc. 4/22

6:48 am-7:55 am

2 stops18h 07m

Catania Fontanarossa

dc. 4/29

10:00 am-11:13 pm

2 stops20h 13m

$704

St. LouisBologna

STL - BLQ

STLBLQ

Lambert-St Louis

dc. 4/8

3:15 pm-3:20 pm

2 stops17h 05m

Bologna Guglielmo Marconi

dt. 4/14

1:30 pm-10:28 pm

2 stops39h 58m

$707

St. LouisNaples

STL - NAP

STLNAP

Lambert-St Louis

dt. 4/21

5:59 pm-10:05 pm

2 stops21h 06m

Naples

dt. 4/28

10:15 am-11:13 pm

2 stops19h 58m

$708

St. LouisNaples

STL - NAP

STLNAP

Lambert-St Louis

dg. 4/19

4:05 pm-6:20 pm

2 stops19h 15m

Naples

dg. 4/26

6:00 am-3:25 pm

2 stops40h 25m

$723

St. LouisBologna

STL - BLQ

STLBLQ

Lambert-St Louis

dc. 4/22

11:42 am-9:00 am

2 stops14h 18m

Bologna Guglielmo Marconi

dc. 4/29

6:00 am-4:42 pm

2 stops17h 42m

$728

St. LouisVenice

STL - VCE

STLVCE

Lambert-St Louis

dc. 4/15

5:21 pm-5:50 pm

2 stops17h 29m

Venice Marco Polo

dt. 4/21

12:15 pm-11:46 pm

2 stops18h 31m

$739

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/3

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

Have a flexible travel schedule? Discover the best time to fly to Italy from St. Louis 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 St. Louis to Italy

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

Currently, March is the cheapest month in which you can book a flight from St. Louis to Italy (average of $441). Flying from St. Louis to Italy in July is currently the most expensive (average of $895). 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.

Reviews of airlines servicing Italy

Get insights into the airlines that provide service to Italy. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Italy. Reviews last updated març 8, 2026.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from St. Louis to Italy by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,269 reviews

Overall

7.9

Food

7.2

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,269 reviews
Delta
7.9
Good
8,269 reviews

Overall

7.9

Food

7.2

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,405 reviews
Delta
7.9
Good
8,269 reviews

Overall

7.9

Food

7.2

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.1
Good
11,399 reviews
Delta
7.9
Good
8,269 reviews

Overall

7.9

Food

7.2

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Air Canada
7.1
Good
10,795 reviews
Delta
7.9
Good
8,269 reviews

Overall

7.9

Food

7.2

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Lufthansa
6.8
Okay
7,835 reviews
Delta
7.9
Good
8,269 reviews

Overall

7.9

Food

7.2

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Italy. 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 from for flights from St. Louis to Italy?

    If you book a flight to Italy from St. Louis, you will be flying from Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis.

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

    United Airlines, Delta, and American Airlines can get you from St. Louis to Italy in just under 15h 02m. Your travel time can differ by up to 8h 55m. St. Louis and Italy are separated by a distance of 5172 mi. This flight may include one or multiple stops.

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

    The cheapest airlines for a one-way flight from St. Louis to Italy are Lufthansa ($265), United Airlines ($365), and American Airlines ($418).

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

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Italy 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 St. Louis to Italy?

    Currently, March is the cheapest month in which you can book a flight from St. Louis to Italy (average of $441). Flying from St. Louis to Italy in July is currently the most expensive (average of $895). 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

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Top 7 airlines flying from St. Louis to Italy

Discover the top 7 airlines that operate flights from St. Louis to Italy. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated març 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$472Average$966FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$485Average$975FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$490Average$1,047FlexibilityNo cancel feeOn-time76%
DeltaCheapest$498Average$1,130FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$506Average$983FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$552Average$1,009FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$559Average$1,049FlexibilityNo cancel feeOn-time71%

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