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$292+ 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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
STL — NAP
dic. 20 — dic. 271
sáb. 12/20
sáb. 12/27
1 adult, Economy
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Cheap 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 noviembre 20, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$437
(Kiwi.com)

One-way from

$292
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$709
Provider with most accurate pricing for Lambert-St Louis-Rome (ROM) flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Rome (ROM) flights.
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From Lambert-St Louis to Italy
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One-way flight from Lambert-St Louis to Italy
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Highest demand for flights based on searches. 26% potential increase in price ($353 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($55 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find 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 noviembre 20, 2025.

This United Airlines deal was found by Cheapflights users on 11/20. 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.
mar. 12/305:02 pmSTL - FCO
2 stops36h 38mUnited Airlines
mié. 1/1411:15 amFCO - STL
2 stops34h 15mUnited Airlines
Deal found 11/20$502
This KLM deal was found by Cheapflights users on 11/18. 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.
mar. 12/307:00 amSTL - FCO
1 stop20h 30mKLM
mié. 1/1412:45 pmFCO - STL
2 stops17h 54mKLM
Deal found 11/18$507
This Delta deal was found by Cheapflights users on 11/18. 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.
mar. 12/306:00 amSTL - FCO
2 stops18h 55mDelta
mié. 1/1412:45 pmFCO - STL
2 stops17h 54mDelta
Deal found 11/18$511
This Expedia deal was found by Cheapflights users on 11/19. 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.
sáb. 11/296:43 pmSTL - MXP
1 stop11h 22mLufthansa
sáb. 12/69:45 amMXP - STL
1 stop20h 59mLufthansa
Deal found 11/19$532
This United Airlines deal was found by Cheapflights users on 11/19. 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.
sáb. 11/298:20 amSTL - MXP
2 stops18h 35mUnited Airlines
sáb. 12/68:30 amMXP - STL
2 stops17h 43mUnited Airlines
Deal found 11/19$535
This KAYAK deal was found by Cheapflights users on 11/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/2712:19 pmSTL - VCE
2 stops26h 56mAustrian Airlines
lun. 1/122:35 pmVCE - STL
2 stops40h 24mAustrian Airlines
Deal found 11/19$558
This Delta deal was found by Cheapflights users on 11/18. 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.
vie. 12/54:32 pmSTL - LIN
2 stops14h 23mDelta
mar. 12/910:55 amLIN - STL
2 stops28h 29mDelta
Deal found 11/18$560
This FlightHub deal was found by Cheapflights users on 11/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/412:55 pmSTL - FCO
1 stop12h 35mMultiple Airlines
mar. 12/91:10 pmFCO - STL
1 stop33h 19mMultiple Airlines
Deal found 11/20$668
This Cheapflightsfares deal was found by Cheapflights users on 11/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/412:55 pmSTL - FCO
1 stop12h 35mLufthansa
mar. 12/911:00 amFCO - STL
1 stop15h 13mLufthansa
Deal found 11/19$688
This United Airlines deal was found by Cheapflights users on 11/17. 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.
vie. 12/53:19 pmSTL - BLQ
2 stops18h 46mUnited Airlines
mar. 12/910:15 amBLQ - STL
2 stops36h 14mUnited Airlines
Deal found 11/17$688
This United Airlines deal was found by Cheapflights users on 11/18. 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.
vie. 12/512:55 pmSTL - FCO
1 stop12h 35mUnited Airlines
sáb. 12/1310:55 amFCO - STL
2 stops35h 45mUnited Airlines
Deal found 11/18$690
This Lufthansa deal was found by Cheapflights users on 11/19. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/51:00 pmSTL - BLQ
2 stops16h 40mLufthansa
mar. 12/910:15 amBLQ - STL
2 stops20h 27mLufthansa
Deal found 11/19$691

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 noviembre 20, 2025.
Use the filters below to find and compare flights from St. Louis to Italy that are best for you.

Fly from

St. Louis

Fly to

Italy

Route

Depart

Return

Price

St. LouisMilan

STL - LIN

STLLIN

Lambert-St Louis

vie. 1/9

3:50 pm-12:50 pm

1 stop14h 00m

Milan Linate

vie. 1/23

6:10 am-4:03 pm

2 stops16h 53m

$448

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

vie. 1/9

3:50 pm-10:45 am

1 stop11h 55m

Milan Malpensa

vie. 1/23

6:55 am-1:55 pm

1 stop14h 00m

$452

St. LouisNaples

STL - NAP

STLNAP

Lambert-St Louis

jue. 1/8

1:15 pm-1:40 pm

2 stops17h 25m

Naples

mar. 1/20

2:35 pm-1:55 pm

1 stop30h 20m

$455

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

vie. 1/9

4:49 pm-9:55 am

2 stops34h 06m

Milan Malpensa

vie. 1/23

1:05 pm-2:28 pm

2 stops32h 23m

$467

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

lun. 2/9

4:49 pm-9:55 am

2 stops34h 06m

Milan Malpensa

mar. 2/17

1:05 pm-9:00 pm

3 stops38h 55m

$479

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

lun. 2/2

11:22 am-12:35 pm

2 stops18h 13m

Florence Peretola

mar. 2/10

6:30 am-7:27 pm

2 stops19h 57m

$481

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

lun. 2/9

6:40 pm-8:45 pm

2 stops19h 05m

Milan Malpensa

mar. 2/17

6:55 am-12:05 am

2 stops24h 10m

$483

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

sáb. 1/10

4:49 pm-8:45 pm

2 stops20h 56m

Milan Malpensa

sáb. 1/17

11:30 am-3:29 pm

2 stops34h 59m

$485

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

lun. 2/16

4:05 pm-1:45 pm

2 stops14h 40m

Florence Peretola

mar. 2/24

6:30 am-12:05 am

2 stops24h 35m

$485

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

sáb. 1/10

6:30 am-9:55 am

2 stops20h 25m

Milan Malpensa

sáb. 1/17

11:30 am-3:29 pm

2 stops34h 59m

$487

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 55 results
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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, November is the cheapest month in which you can book a flight from St. Louis to Italy (average of $470). Flying from St. Louis to Italy in June is currently the most expensive (average of $1,009). 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.

What is the cheapest time of day to fly from STL to IT?

Find hourly flight availability from St. Louis to Italy. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated noviembre 20, 2025.

One of the essential ways to save on airfare from St. Louis to Italy is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 28% on airfare.

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 noviembre 20, 2025.
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
8,002 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

7.9

Boarding

8.1

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
8,002 reviews
Delta
7.9
Good
8,002 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

7.9

Boarding

8.1

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
9,027 reviews
Delta
7.9
Good
8,002 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

7.9

Boarding

8.1

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
7.2
Good
11,045 reviews
Delta
7.9
Good
8,002 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

7.9

Boarding

8.1

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
10,462 reviews
Delta
7.9
Good
8,002 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

7.9

Boarding

8.1

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
7,579 reviews
Delta
7.9
Good
8,002 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

7.9

Boarding

8.1

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?

    Lufthansa, United Airlines, and Air Canada can get you from St. Louis to Italy in just under 14h. Your travel time can differ by up to 20h 06m. St. Louis and Italy are separated by a distance of 4781 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 Air France ($326), KLM ($334), and Lufthansa ($531).

  • 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, November is the cheapest month in which you can book a flight from St. Louis to Italy (average of $470). Flying from St. Louis to Italy in June is currently the most expensive (average of $1,009). 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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Alternative routes for St. Louis to Italy

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from St. Louis to Italy

Discover the top 8 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 noviembre 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$485Average$1,115FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$493Average$1,272FlexibilityNo cancel feeOn-time76%
IberiaCheapest$536Average$1,129FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$545Average$973FlexibilityNo cancel feeOn-time70%
KLMCheapest$566Average$1,009FlexibilityNo cancel feeOn-time75%
DeltaCheapest$587Average$1,150FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$619Average$1,064FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$705Average$1,202FlexibilityNo cancel feeOn-time67%

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