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Italy

$258+ 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
STL — NAP
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
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 December 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 12/11. 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.
Tue 12/306:35 pmSTL - FCO
2 stops16h 40mLufthansa
Wed 1/149:45 amFCO - STL
2 stops21h 14mLufthansa
Deal found 12/11$666
This KLM deal was found by Cheapflights users on 12/11. 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.
Tue 12/3010:04 amSTL - FCO
1 stop14h 51mKLM
Wed 1/1412:40 pmFCO - STL
1 stop17h 59mKLM
Deal found 12/11$762
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Fri 12/269:55 amSTL - TRN
2 stops21h 10mUnited Airlines
Tue 12/306:00 amTRN - STL
2 stops18h 54mUnited Airlines
Deal found 12/10$1,048
This Ovago deal was found by Cheapflights users on 12/11. 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.
Sat 12/278:01 pmSTL - VCE
2 stops42h 24mBritish Airways
Wed 1/76:55 amVCE - STL
2 stops21h 20mBritish Airways
Deal found 12/11$1,323
This Gotogate deal was found by Cheapflights users on 12/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:35 pmSTL - TRN
2 stops45h 45mMultiple Airlines
Tue 12/302:55 pmTRN - STL
1 stop30h 00mMultiple Airlines
Deal found 12/10$1,349
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Sat 12/276:35 pmSTL - TRN
2 stops36h 30mUnited Airlines
Wed 12/3110:45 amTRN - STL
2 stops34h 41mUnited Airlines
Deal found 12/11$1,411
This FlightHub deal was found by Cheapflights users on 12/10. 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.
Sun 12/146:00 amSTL - FCO
2 stops21h 40mAer Lingus
Tue 12/1611:20 amFCO - STL
2 stops36h 30mAer Lingus
Deal found 12/10$1,581
This Air Canada deal was found by Cheapflights users on 12/11. 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.
Sat 12/274:05 pmSTL - TRN
2 stops35h 00mMultiple Airlines
Wed 12/3110:45 amTRN - STL
3 stops18h 58mMultiple Airlines
Deal found 12/11$1,666
This SmartFares deal was found by Cheapflights users on 12/11. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/151:00 pmSTL - FCO
1 stop11h 45mLufthansa
Wed 12/3110:30 amFCO - STL
1 stop20h 27mLufthansa
Deal found 12/11$1,672
This SmartFares deal was found by Cheapflights users on 12/10. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1411:50 amSTL - FCO
1 stop13h 05mLufthansa
Tue 12/166:45 pmFCO - STL
1 stop26h 10mLufthansa
Deal found 12/10$1,730
This Gotogate deal was found by Cheapflights users on 12/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1411:50 amSTL - NAP
2 stops19h 15mMultiple Airlines
Tue 12/167:25 pmNAP - STL
2 stops27h 15mMultiple Airlines
Deal found 12/11$1,777
This Cheapflightsfares deal was found by Cheapflights users on 12/11. 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.
Mon 12/1511:50 amSTL - VCE
1 stop14h 05mLufthansa
Wed 12/171:30 pmVCE - STL
2 stops15h 10mLufthansa
Deal found 12/11$1,813

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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$429
(Kiwi.com)

One-way from

$258
(oojo)

Popular in

June

Cheapest in

November

Average price

$820
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. 25% potential increase in price ($346 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($53 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 12, 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. LouisBologna

STL - BLQ

STLBLQ

Lambert-St Louis

Fri 1/16

11:22 am-1:50 pm

2 stops19h 28m

Bologna Guglielmo Marconi

Wed 1/21

6:30 am-1:55 pm

1 stop14h 25m

$429

St. LouisMilan

STL - LIN

STLLIN

Lambert-St Louis

Fri 1/23

12:44 pm-10:05 am

2 stops14h 21m

Milan Linate

Fri 1/30

6:10 am-1:55 pm

1 stop14h 45m

$441

St. LouisVenice

STL - VCE

STLVCE

Lambert-St Louis

Fri 1/23

12:44 pm-10:05 am

2 stops14h 21m

Venice Marco Polo

Fri 1/30

6:45 am-1:55 pm

1 stop14h 10m

$443

St. LouisNaples

STL - NAP

STLNAP

Lambert-St Louis

Sun 1/25

3:50 pm-1:25 pm

1 stop14h 35m

Naples

Sun 2/1

6:35 am-11:59 pm

2 stops24h 24m

$448

St. LouisBologna

STL - BLQ

STLBLQ

Lambert-St Louis

Fri 1/16

4:05 pm-6:05 pm

2 stops19h 00m

Bologna Guglielmo Marconi

Wed 1/21

6:00 am-3:29 pm

2 stops40h 29m

$471

St. LouisMilan

STL - LIN

STLLIN

Lambert-St Louis

Wed 1/14

11:22 am-9:00 am

2 stops14h 38m

Milan Linate

Sun 1/25

6:15 am-1:55 pm

1 stop14h 40m

$474

St. LouisBologna

STL - BLQ

STLBLQ

Lambert-St Louis

Wed 2/4

12:44 pm-12:40 pm

2 stops16h 56m

Bologna Guglielmo Marconi

Sun 2/8

6:25 am-11:59 pm

2 stops24h 34m

$476

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

Fri 2/27

6:45 pm-6:30 pm

2 stops16h 45m

Florence Peretola

Wed 3/4

6:30 am-1:55 pm

1 stop14h 25m

$481

St. LouisBologna

STL - BLQ

STLBLQ

Lambert-St Louis

Sun 1/25

12:01 pm-7:20 pm

2 stops24h 19m

Bologna Guglielmo Marconi

Sun 2/1

7:15 am-9:15 pm

2 stops21h 00m

$485

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Wed 3/18

7:05 am-8:10 am

1 stop19h 05m

Milan Malpensa

Mon 3/23

7:00 pm-7:29 pm

2 stops30h 29m

$485

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 52 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 $468). 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 December 12, 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 33% 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 December 12, 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
8,007 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.1

Entertainment

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
8,007 reviews
Delta
7.9
Good
8,007 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.1

Entertainment

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
9,095 reviews
Delta
7.9
Good
8,007 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.1

Entertainment

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
11,050 reviews
Delta
7.9
Good
8,007 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.1

Entertainment

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
10,516 reviews
Delta
7.9
Good
8,007 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.1

Entertainment

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
7,626 reviews
Delta
7.9
Good
8,007 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.1

Entertainment

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?

    Lufthansa, United Airlines, and KLM can get you from St. Louis to Italy in just under 13h 33m. Your travel time can differ by up to 5h 55m. 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 ($322), 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, January is the cheapest month in which you can book a flight from St. Louis to Italy (average of $468). 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$472Average$975FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$485Average$1,112FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$493Average$1,237FlexibilityNo cancel feeOn-time76%
IberiaCheapest$536Average$1,273FlexibilityNo cancel feeOn-time77%
KLMCheapest$555Average$1,003FlexibilityNo cancel feeOn-time75%
DeltaCheapest$587Average$1,148FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$594Average$1,054FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$705Average$1,202FlexibilityNo cancel feeOn-time67%

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