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$237+ 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 3/19. Fares are subject to change and may not be available on all flights or dates of travel.
STL — NAP
dic. 26 — ene. 21
vie. 12/26
vie. 1/2
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 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$434
(Delta)

One-way from

$237
(American Airlines)

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 ($356 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($56 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 26, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/311:50 amSTL - MXP
1 stop12h 40mLufthansa
mié. 12/106:55 amMXP - STL
1 stop14h 00mLufthansa
Deal found 11/25$440
This Finnair deal was found by Cheapflights users on 11/26. 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.
mié. 12/37:00 amSTL - MXP
2 stops18h 05mMultiple Airlines
mié. 12/1010:25 amMXP - STL
2 stops19h 22mMultiple Airlines
Deal found 11/26$445
This KLM deal was found by Cheapflights users on 11/26. 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.
mié. 12/311:40 amSTL - MXP
1 stop14h 25mKLM
mié. 12/1012:00 pmMXP - STL
1 stop35h 35mKLM
Deal found 11/26$446
This Finnair deal was found by Cheapflights users on 11/26. 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.
mar. 12/309:36 amSTL - FCO
1 stop18h 09mMultiple Airlines
mié. 1/148:20 pmFCO - STL
2 stops30h 09mMultiple Airlines
Deal found 11/26$464
This United Airlines deal was found by Cheapflights users on 11/24. 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.
mié. 12/311:50 amSTL - MXP
1 stop12h 40mUnited Airlines
mar. 12/91:05 pmMXP - STL
2 stops32h 20mUnited Airlines
Deal found 11/24$475
This FlightHub deal was found by Cheapflights users on 11/25. 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.
mié. 12/311:50 amSTL - MXP
1 stop12h 40mLufthansa
vie. 12/126:55 amMXP - STL
1 stop14h 00mLufthansa
Deal found 11/25$476
This Air Canada deal was found by Cheapflights users on 11/24. 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.
mié. 12/31:00 pmSTL - MXP
2 stops13h 55mAir Canada
mar. 12/91:05 pmMXP - STL
3 stops34h 58mAir Canada
Deal found 11/24$481
This FlightHub deal was found by Cheapflights users on 11/25. 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.
mié. 12/311:50 amSTL - LIN
2 stops14h 10mLufthansa
vie. 12/126:10 amLIN - STL
1 stop14h 45mLufthansa
Deal found 11/25$484
This KAYAK deal was found by Cheapflights users on 11/24. 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.
lun. 12/16:43 pmSTL - MXP
1 stop11h 22mLufthansa
vie. 12/126:55 amMXP - STL
1 stop14h 00mLufthansa
Deal found 11/24$487
This United Airlines deal was found by Cheapflights users on 11/25. 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. 12/309:55 amSTL - FCO
2 stops25h 20mUnited Airlines
mié. 1/1411:15 amFCO - STL
2 stops34h 15mUnited Airlines
Deal found 11/25$489
This CheapOair deal was found by Cheapflights users on 11/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/24:05 pmSTL - MXP
2 stops34h 50mMultiple Airlines
vie. 12/126:55 amMXP - STL
1 stop14h 00mMultiple Airlines
Deal found 11/25$489
This United Airlines deal was found by Cheapflights users on 11/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/46:42 pmSTL - FCO
1 stop30h 03mUnited Airlines
mar. 12/91:10 pmFCO - STL
1 stop33h 19mUnited Airlines
Deal found 11/26$490

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 26, 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. LouisVenice

STL - VCE

STLVCE

Lambert-St Louis

mié. 1/21

6:25 am-11:20 am

1 stop21h 55m

Venice Marco Polo

jue. 1/29

1:20 pm-4:39 pm

1 stop34h 19m

$434

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

mié. 1/7

2:54 pm-11:45 am

2 stops37h 51m

Florence Peretola

mié. 1/14

12:10 pm-6:34 pm

2 stops37h 24m

$475

St. LouisVenice

STL - VCE

STLVCE

Lambert-St Louis

lun. 1/19

10:19 am-2:55 pm

2 stops21h 36m

Venice Marco Polo

jue. 1/29

6:10 am-4:37 pm

2 stops17h 27m

$478

St. LouisVenice

STL - VCE

STLVCE

Lambert-St Louis

mar. 1/20

9:45 am-11:45 am

2 stops19h 00m

Venice Marco Polo

mar. 1/27

6:10 am-8:06 pm

2 stops20h 56m

$478

St. LouisVenice

STL - VCE

STLVCE

Lambert-St Louis

lun. 1/19

10:19 am-2:55 pm

2 stops21h 36m

Venice Marco Polo

mié. 1/28

6:10 am-4:37 pm

2 stops17h 27m

$480

St. LouisMilan

STL - LIN

STLLIN

Lambert-St Louis

mar. 2/10

10:19 am-11:15 am

2 stops17h 56m

Milan Linate

jue. 2/19

6:30 am-8:43 pm

2 stops21h 13m

$480

St. LouisMilan

STL - LIN

STLLIN

Lambert-St Louis

dom. 2/8

5:04 pm-7:35 pm

2 stops19h 31m

Milan Linate

mié. 2/18

9:45 am-11:36 pm

2 stops20h 51m

$480

St. LouisMilan

STL - LIN

STLLIN

Lambert-St Louis

dom. 2/8

9:59 am-1:55 pm

2 stops20h 56m

Milan Linate

mar. 2/17

6:30 am-11:36 pm

2 stops24h 06m

$480

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

mié. 1/21

11:22 am-7:55 am

1 stop13h 33m

Rome Fiumicino

mié. 1/28

7:05 am-1:55 pm

1 stop13h 50m

$482

St. LouisVenice

STL - VCE

STLVCE

Lambert-St Louis

dom. 1/18

1:15 pm-12:45 pm

2 stops16h 30m

Venice Marco Polo

lun. 1/26

6:55 am-11:59 pm

2 stops24h 04m

$484

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/26

Showing 1-10 of 60 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 26, 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 26, 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
8,003 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

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
8,003 reviews
Delta
7.9
Good
8,003 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

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
9,050 reviews
Delta
7.9
Good
8,003 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

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
11,038 reviews
Delta
7.9
Good
8,003 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

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
10,481 reviews
Delta
7.9
Good
8,003 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

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
7,594 reviews
Delta
7.9
Good
8,003 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

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?

    Delta, Lufthansa, and British Airways can get you from St. Louis to Italy in just under 11h 15m. Your travel time can differ by up to 26h 36m. St. Louis and Italy are separated by a distance of 4900 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 American Airlines ($237), British Airways ($238), and Lufthansa ($304).

  • 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 - Milan Linate 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.

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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 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$485Average$1,117FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$493Average$1,256FlexibilityNo cancel feeOn-time76%
IberiaCheapest$536Average$1,273FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$545Average$975FlexibilityNo cancel feeOn-time70%
KLMCheapest$555Average$1,003FlexibilityNo cancel feeOn-time75%
DeltaCheapest$587Average$1,150FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$619Average$1,054FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$705Average$1,202FlexibilityNo cancel feeOn-time67%

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