Italy

$361+ 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
STL — NAP
Jun 4 — Jun 111
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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 May 5, 2026.

This oojo deal was found by Cheapflights users on 4/30. 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
-
MXP
1 stop19h 00m
British Airways
Wed 8/262:20 pm
MXP
-
STL
1 stop16h 03m
British Airways
Deal found 4/30$739
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Wed 8/128:06 pm
STL
-
LIN
2 stops14h 09m
American Airlines
Wed 8/261:40 pm
LIN
-
STL
1 stop12h 50m
American Airlines
Deal found 4/30$759
This Finnair deal was found by Cheapflights users on 4/30. 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 8/1212:45 pm
STL
-
MXP
2 stops22h 25m
Finnair
Wed 8/2610:20 am
MXP
-
STL
2 stops20h 39m
Finnair
Deal found 4/30$769
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Wed 8/126:03 am
STL
-
MXP
1 stop21h 02m
American Airlines
Wed 8/268:25 am
MXP
-
STL
2 stops18h 00m
American Airlines
Deal found 4/30$770
This United Airlines deal was found by Cheapflights users on 5/1. 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
-
FLR
2 stops16h 15m
United Airlines
Wed 11/256:30 am
FLR
-
STL
1 stop14h 25m
United Airlines
Deal found 5/1$774
This FlightHub deal was found by Cheapflights users on 5/4. 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 9/133:42 pm
STL
-
FCO
2 stops19h 53m
Scandinavian Airlines
Sat 9/197:25 pm
FCO
-
STL
2 stops32h 25m
Scandinavian Airlines
Deal found 5/4$779
This Delta deal was found by Cheapflights users on 4/30. 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.
Tue 11/101:30 pm
STL
-
FLR
2 stops17h 55m
Delta
Wed 11/256:40 am
FLR
-
STL
2 stops20h 57m
Delta
Deal found 4/30$782
This Priceline deal was found by Cheapflights users on 4/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/129:35 pm
STL
-
FCO
1 stop12h 20m
Multiple Airlines
Wed 8/261:10 pm
FCO
-
STL
1 stop17h 32m
Multiple Airlines
Deal found 4/30$784
This British Airways deal was found by Cheapflights users on 4/30. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/53:25 pm
STL
-
FCO
1 stop11h 55m
British Airways
Wed 8/191:30 pm
FCO
-
STL
1 stop16h 10m
British Airways
Deal found 4/30$791
This United Airlines deal was found by Cheapflights users on 5/1. 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 8/1212:10 pm
STL
-
MXP
1 stop15h 10m
United Airlines
Wed 8/2612:20 pm
MXP
-
STL
2 stops31h 29m
United Airlines
Deal found 5/1$792
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Wed 9/92:12 pm
STL
-
MXP
1 stop14h 18m
American Airlines
Wed 9/301:20 pm
MXP
-
STL
1 stop16h 52m
American Airlines
Deal found 4/30$799
This FlightHub deal was found by Cheapflights users on 5/1. 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.
Wed 8/1212:10 pm
STL
-
MXP
1 stop15h 10m
Multiple Airlines
Wed 8/266:30 am
MXP
-
STL
1 stop13h 55m
Multiple Airlines
Deal found 5/1$804

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 May 5, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$739
(oojo)

One-way from

$361
(Cheapflightsfares)

Popular in

June

Cheapest in

February

Average price

$1,237
Provider with most accurate pricing for Lambert-St Louis-Rome (ROM) flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-Rome (ROM) flights.
From Lambert-St Louis to Italy
One-way flight from Lambert-St Louis to Italy
Highest demand for flights based on searches. 31% potential increase in price ($418 potential increase over avg. RT price).
Cheapest flight prices on average. 7% potential price decrease ($66 potential savings vs. average RT price).
Average for round-trip flights in May 2026

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 May 5, 2026.
Use the filters below to find and compare flights from St. Louis to Italy that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Wed 8/5

6:42 am-12:05 pm

1 stop22h 23m

Rome Fiumicino

Wed 8/19

1:30 pm-10:40 pm

1 stop16h 10m

$791

St. LouisBologna

STL - BLQ

STLBLQ

Lambert-St Louis

Wed 8/5

1:13 pm-4:30 pm

2 stops20h 17m

Bologna Guglielmo Marconi

Sun 8/23

6:10 am-9:22 pm

2 stops22h 12m

$818

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Fri 8/14

12:10 pm-10:20 am

1 stop15h 10m

Milan Malpensa

Fri 8/28

12:20 pm-12:49 pm

2 stops31h 29m

$842

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Wed 9/9

12:10 pm-10:20 am

1 stop15h 10m

Milan Malpensa

Wed 9/30

12:20 pm-9:24 pm

2 stops40h 04m

$844

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Wed 9/16

7:01 am-7:30 am

1 stop17h 29m

Milan Malpensa

Wed 9/30

12:20 pm-6:41 pm

1 stop13h 21m

$858

St. LouisMilan

STL - LIN

STLLIN

Lambert-St Louis

Wed 9/16

2:18 pm-1:55 pm

2 stops16h 37m

Milan Linate

Wed 9/30

6:40 am-4:55 pm

2 stops17h 15m

$877

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Sat 9/12

5:32 pm-10:20 am

2 stops33h 48m

Milan Malpensa

Mon 9/28

10:40 am-4:26 pm

2 stops36h 46m

$879

St. LouisNaples

STL - NAP

STLNAP

Lambert-St Louis

Wed 8/19

7:01 am-9:40 am

3 stops19h 39m

Naples

Mon 8/24

6:00 am-8:07 pm

2 stops21h 07m

$908

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

Tue 8/25

7:01 am-4:35 pm

3 stops26h 34m

Florence Peretola

Tue 9/15

6:30 am-6:41 pm

2 stops43h 11m

$912

St. LouisPisa

STL - PSA

STLPSA

Lambert-St Louis

Mon 10/5

2:18 pm-2:15 pm

2 stops16h 57m

Pisa Gal Galilei

Mon 10/12

3:25 pm-3:58 pm

2 stops31h 33m

$916

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 60 resultsSorted by cheapest first
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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

How far ahead should I book a flight from St. Louis to Italy?

The best time to book flights from St. Louis to Italy is 30 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 $676). 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 May 5, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican 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.

Comfort

7.9

Boarding

8.1

Overall

7.9

Food

7.2

Entertainment

7.8

Crew

8.5

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

Comfort

7.9

Boarding

8.1

Overall

7.9

Food

7.2

Entertainment

7.8

Crew

8.5

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

Comfort

7.9

Boarding

8.1

Overall

7.9

Food

7.2

Entertainment

7.8

Crew

8.5

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

Comfort

7.9

Boarding

8.1

Overall

7.9

Food

7.2

Entertainment

7.8

Crew

8.5

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

Comfort

7.9

Boarding

8.1

Overall

7.9

Food

7.2

Entertainment

7.8

Crew

8.5

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

Comfort

7.9

Boarding

8.1

Overall

7.9

Food

7.2

Entertainment

7.8

Crew

8.5

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

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, Lufthansa, and United Airlines can get you from St. Louis to Italy in just under 15h 10m. Your travel time can differ by up to 7h 13m. 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 ($422).

  • What are the most popular routes 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 $676). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 7 airlines flying from St. Louis to Italy

Discover the top 7 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 May 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$472Average$1,155FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$472Average$936FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$500Average$1,055FlexibilityNo cancel feeOn-time76%
KLMCheapest$506Average$906FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$552Average$1,061FlexibilityNo cancel feeOn-time67%
DeltaCheapest$555Average$1,073FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$559Average$1,058FlexibilityNo cancel feeOn-time71%

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