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$231+ 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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
STL — NAP
Feb 21 — Feb 281
Sat 2/21
Sat 2/28
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 January 22, 2026.

This Ticket deal was found by Cheapflights users on 1/21. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/16:38 pm
STL
-
VCE
2 stops19h 47m
British Airways
Tue 3/1711:25 am
VCE
-
STL
2 stops18h 23m
British Airways
Deal found 1/21$409
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Tue 2/2411:39 am
STL
-
MXP
1 stop12h 51m
United Airlines
Tue 3/31:05 pm
MXP
-
STL
2 stops38h 18m
United Airlines
Deal found 1/20$421
This Mytrip deal was found by Cheapflights users on 1/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/247:41 am
STL
-
MXP
2 stops19h 14m
Air Canada
Tue 3/31:05 pm
MXP
-
STL
2 stops33h 24m
Air Canada
Deal found 1/20$438
This Air Canada deal was found by Cheapflights users on 1/21. 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.
Wed 2/254:05 pm
STL
-
FCO
1 stop12h 00m
Air Canada
Wed 3/41:15 pm
FCO
-
STL
2 stops32h 27m
Air Canada
Deal found 1/21$441
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Wed 2/1811:25 am
STL
-
FCO
2 stops16h 40m
United Airlines
Wed 2/2511:15 am
FCO
-
STL
2 stops40h 50m
United Airlines
Deal found 1/20$445
This United Airlines deal was found by Cheapflights users on 1/21. 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.
Tue 3/34:05 pm
STL
-
FCO
1 stop11h 50m
United Airlines
Tue 3/1012:10 pm
FCO
-
STL
2 stops32h 32m
United Airlines
Deal found 1/21$446
This Air Canada deal was found by Cheapflights users on 1/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/29:57 am
STL
-
MXP
2 stops16h 58m
Air Canada
Thu 2/121:05 pm
MXP
-
STL
2 stops57h 24m
Air Canada
Deal found 1/19$446
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Tue 2/38:05 am
STL
-
FCO
2 stops15h 40m
United Airlines
Thu 2/1212:50 pm
FCO
-
STL
2 stops39h 50m
United Airlines
Deal found 1/19$447
This American Airlines deal was found by Cheapflights users on 1/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/226:38 pm
STL
-
FCO
2 stops15h 17m
American Airlines
Tue 3/101:10 pm
FCO
-
STL
2 stops16h 38m
American Airlines
Deal found 1/21$448
This Booking.com deal was found by Cheapflights users on 1/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/34:05 pm
STL
-
FCO
2 stops33h 50m
Air Canada
Tue 3/1012:10 pm
FCO
-
STL
2 stops32h 32m
Air Canada
Deal found 1/20$449
This United Airlines deal was found by Cheapflights users on 1/21. 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.
Sun 2/2211:25 am
STL
-
FCO
1 stop13h 20m
United Airlines
Tue 3/109:45 am
FCO
-
STL
1 stop17h 22m
United Airlines
Deal found 1/21$452
This Finnair deal was found by Cheapflights users on 1/20. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/410:00 am
STL
-
MXP
2 stops25h 15m
Multiple Airlines
Tue 2/247:00 pm
MXP
-
STL
2 stops31h 29m
Multiple Airlines
Deal found 1/20$453

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 January 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$409
(Ticket)

One-way from

$231
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$693
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. 27% potential increase in price ($357 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($54 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 22, 2026.
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

Sun 3/1

6:38 pm-9:25 pm

2 stops19h 47m

Venice Marco Polo

Tue 3/17

11:25 am-11:48 pm

2 stops18h 23m

$409

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Tue 2/24

11:39 am-7:30 am

1 stop12h 51m

Milan Malpensa

Tue 3/3

1:05 pm-8:23 pm

2 stops38h 18m

$421

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Tue 2/24

7:41 am-9:55 am

2 stops19h 14m

Milan Malpensa

Tue 3/3

1:05 pm-3:29 pm

2 stops33h 24m

$438

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Tue 2/3

8:05 am-6:45 am

2 stops15h 40m

Rome Fiumicino

Thu 2/12

12:50 pm-9:40 pm

2 stops39h 50m

$447

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Mon 2/2

9:57 am-9:55 am

2 stops16h 58m

Milan Malpensa

Thu 2/12

1:05 pm-10:59 pm

2 stops16h 54m

$448

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Wed 2/4

10:00 am-6:15 pm

2 stops25h 15m

Milan Malpensa

Tue 2/24

7:00 pm-7:29 pm

2 stops31h 29m

$453

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

Tue 2/24

11:59 am-11:20 am

2 stops16h 21m

Florence Peretola

Thu 3/5

3:20 pm-11:35 pm

2 stops39h 15m

$456

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

Tue 2/24

11:59 am-11:20 am

2 stops16h 21m

Florence Peretola

Tue 3/3

3:30 pm-9:12 pm

2 stops36h 42m

$456

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

Tue 2/24

11:59 am-11:20 am

2 stops16h 21m

Florence Peretola

Wed 3/4

12:10 pm-8:55 am

2 stops27h 45m

$456

St. LouisVenice

STL - VCE

STLVCE

Lambert-St Louis

Wed 2/11

9:33 am-9:30 pm

2 stops28h 57m

Venice Marco Polo

Mon 2/16

2:20 pm-11:22 pm

2 stops40h 02m

$463

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

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, 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 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.

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 January 22, 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
8,088 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.2

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
8,088 reviews
Delta
7.9
Good
8,088 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.2

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
9,193 reviews
Delta
7.9
Good
8,088 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.2

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
7.2
Good
11,175 reviews
Delta
7.9
Good
8,088 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.2

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
10,648 reviews
Delta
7.9
Good
8,088 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.2

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
7,744 reviews
Delta
7.9
Good
8,088 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.2

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?

    British Airways, United Airlines, and Air Canada can get you from St. Louis to Italy in just under 12h 51m. Your travel time can differ by up to 6h 56m. St. Louis and Italy are separated by a distance of 4752 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 ($268), 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 - 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, 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 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 January 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$481Average$834FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$485Average$1,051FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$490Average$1,227FlexibilityNo cancel feeOn-time76%
DeltaCheapest$498Average$1,126FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$506Average$983FlexibilityNo cancel feeOn-time75%
IberiaCheapest$536Average$1,129FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$552Average$1,001FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$559Average$1,049FlexibilityNo cancel feeOn-time71%

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