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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 4/24. Fares are subject to change and may not be available on all flights or dates of travel.
STL — NAP
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
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 January 15, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$422
(AirNGo)

One-way from

$231
(oojo)

Popular in

June

Cheapest in

February

Average price

$693
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. 27% potential increase in price ($353 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($54 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 15, 2026.

This AirNGo deal was found by Cheapflights users on 1/14. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/227:41 am
STL
-
FCO
2 stops18h 44m
Air Canada
Tue 3/1012:10 pm
FCO
-
STL
1 stop33h 19m
Air Canada
Deal found 1/14$422
This oojo deal was found by Cheapflights users on 1/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/88:31 am
STL
-
MXP
2 stops28h 29m
British Airways
Tue 2/178:40 pm
MXP
-
STL
2 stops34h 08m
British Airways
Deal found 1/13$430
This oojo deal was found by Cheapflights users on 1/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/11:35 pm
STL
-
FCO
2 stops23h 20m
British Airways
Tue 2/171:10 pm
FCO
-
STL
1 stop16h 54m
British Airways
Deal found 1/13$433
This KLM deal was found by Cheapflights users on 1/13. 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.
Sun 1/256:00 am
STL
-
MXP
1 stop20h 05m
KLM
Tue 2/1011:05 am
MXP
-
STL
1 stop36h 02m
KLM
Deal found 1/13$434
This oojo deal was found by Cheapflights users on 1/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/129:35 pm
STL
-
VCE
1 stop17h 40m
British Airways
Fri 8/217:35 am
VCE
-
STL
2 stops19h 48m
British Airways
Deal found 1/13$434
This United Airlines deal was found by Cheapflights users on 1/13. 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 1/258:05 am
STL
-
MXP
2 stops16h 25m
United Airlines
Tue 2/109:45 am
MXP
-
STL
1 stop21h 14m
United Airlines
Deal found 1/13$435
This oojo deal was found by Cheapflights users on 1/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/99:33 am
STL
-
BLQ
2 stops19h 07m
British Airways
Mon 2/168:15 pm
BLQ
-
STL
2 stops34h 33m
British Airways
Deal found 1/14$436
This Mytrip deal was found by Cheapflights users on 1/14. 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.
Wed 1/289:57 am
STL
-
MXP
2 stops16h 58m
Air Canada
Wed 2/41:05 pm
MXP
-
STL
2 stops33h 24m
Air Canada
Deal found 1/14$438
This oojo deal was found by Cheapflights users on 1/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/162:00 pm
STL
-
LIN
2 stops17h 15m
British Airways
Mon 3/235:15 pm
LIN
-
STL
2 stops35h 49m
British Airways
Deal found 1/13$438
This Ovago deal was found by Cheapflights users on 1/14. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/2811:22 am
STL
-
MXP
1 stop13h 08m
Multiple Airlines
Wed 2/48:25 am
MXP
-
STL
1 stop22h 34m
Multiple Airlines
Deal found 1/14$441
This United Airlines deal was found by Cheapflights users on 1/13. 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 2/18:30 am
STL
-
FCO
1 stop17h 00m
United Airlines
Tue 2/171:10 pm
FCO
-
STL
2 stops41h 49m
United Airlines
Deal found 1/13$442
This United Airlines deal was found by Cheapflights users on 1/14. 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 11/1011:45 am
STL
-
VCE
1 stop14h 10m
United Airlines
Wed 11/1811:05 am
VCE
-
STL
1 stop15h 35m
United Airlines
Deal found 1/14$443

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 15, 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. LouisBologna

STL - BLQ

STLBLQ

Lambert-St Louis

Mon 2/9

9:33 am-11:40 am

2 stops19h 07m

Bologna Guglielmo Marconi

Mon 2/16

8:15 pm-11:48 pm

2 stops34h 33m

$436

St. LouisVenice

STL - VCE

STLVCE

Lambert-St Louis

Sun 3/1

4:05 pm-8:40 am

2 stops33h 35m

Venice Marco Polo

Tue 3/17

9:45 am-3:29 pm

2 stops35h 44m

$450

St. LouisVenice

STL - VCE

STLVCE

Lambert-St Louis

Fri 2/27

11:59 am-8:10 pm

2 stops25h 11m

Venice Marco Polo

Fri 3/6

6:55 am-9:12 pm

2 stops21h 17m

$456

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

Sun 3/22

6:33 pm-2:15 pm

2 stops37h 42m

Florence Peretola

Tue 3/31

7:05 am-11:48 pm

2 stops23h 43m

$456

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

Mon 3/23

9:37 am-2:15 pm

2 stops22h 38m

Florence Peretola

Wed 4/1

7:05 am-10:58 pm

2 stops22h 53m

$456

St. LouisMilan

STL - LIN

STLLIN

Lambert-St Louis

Thu 3/19

2:00 pm-4:20 pm

2 stops20h 20m

Milan Linate

Tue 3/31

7:25 am-9:11 pm

2 stops20h 46m

$458

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Tue 2/17

7:41 am-9:25 am

2 stops18h 44m

Rome Fiumicino

Wed 2/25

9:45 am-9:40 pm

1 stop18h 55m

$461

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Mon 2/16

6:00 am-10:30 am

1 stop21h 30m

Rome Fiumicino

Wed 2/25

12:00 pm-11:36 pm

2 stops18h 36m

$462

St. LouisVenice

STL - VCE

STLVCE

Lambert-St Louis

Sun 3/1

1:13 pm-11:20 am

1 stop15h 07m

Venice Marco Polo

Tue 3/17

6:30 am-9:46 am

2 stops33h 16m

$462

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Tue 2/10

12:44 pm-2:00 pm

2 stops18h 16m

Rome Fiumicino

Tue 2/17

1:10 pm-11:59 pm

2 stops41h 49m

$462

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/12

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, January is the cheapest month in which you can book a flight from St. Louis to Italy (average of $454). Flying from St. Louis to Italy in June is currently the most expensive (average of $1,008). 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 15, 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
8,048 reviews

Entertainment

7.8

Boarding

8.1

Food

7.2

Comfort

7.9

Overall

7.9

Crew

8.5

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
8,048 reviews
Delta
7.9
Good
8,048 reviews

Entertainment

7.8

Boarding

8.1

Food

7.2

Comfort

7.9

Overall

7.9

Crew

8.5

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
9,163 reviews
Delta
7.9
Good
8,048 reviews

Entertainment

7.8

Boarding

8.1

Food

7.2

Comfort

7.9

Overall

7.9

Crew

8.5

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
11,132 reviews
Delta
7.9
Good
8,048 reviews

Entertainment

7.8

Boarding

8.1

Food

7.2

Comfort

7.9

Overall

7.9

Crew

8.5

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
10,622 reviews
Delta
7.9
Good
8,048 reviews

Entertainment

7.8

Boarding

8.1

Food

7.2

Comfort

7.9

Overall

7.9

Crew

8.5

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
7,717 reviews
Delta
7.9
Good
8,048 reviews

Entertainment

7.8

Boarding

8.1

Food

7.2

Comfort

7.9

Overall

7.9

Crew

8.5

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, Air Canada, and United Airlines can get you from St. Louis to Italy in just under 18h 44m. Your travel time can differ by up to 14h 51m. St. Louis and Italy are separated by a distance of 5050 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 Air Canada ($420).

  • 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, January is the cheapest month in which you can book a flight from St. Louis to Italy (average of $454). Flying from St. Louis to Italy in June is currently the most expensive (average of $1,008). 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 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$485Average$1,053FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$490Average$1,221FlexibilityNo cancel feeOn-time76%
DeltaCheapest$498Average$1,137FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$536Average$1,129FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$545Average$987FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$552Average$1,001FlexibilityNo cancel feeOn-time67%
KLMCheapest$555Average$950FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$594Average$1,054FlexibilityNo cancel feeOn-time71%

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