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Italy

$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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — NAP
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 September 17, 2025.

Round-trip from

$463
(Kiwi.com)

One-way from

$237
(Booking.com)

Popular in

June

Cheapest in

February

Average price

$1,076
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 ($361 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($51 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 17, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Mon 10/276:43 pmSTL - MXP
2 stops15h 57mLufthansa
Wed 11/56:55 amMXP - STL
1 stop14h 00mLufthansa
Deal found 9/16$463
This Mytrip deal was found by Cheapflights users on 9/15. 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.
Mon 10/209:15 amSTL - MXP
2 stops17h 45mMultiple Airlines
Wed 11/56:55 amMXP - STL
1 stop14h 00mMultiple Airlines
Deal found 9/15$472
This Justfly.com deal was found by Cheapflights users on 9/16. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2710:00 amSTL - MXP
2 stops16h 55mAir Canada
Tue 11/41:05 pmMXP - STL
2 stops33h 44mAir Canada
Deal found 9/16$474
This Justfly.com deal was found by Cheapflights users on 9/16. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2710:00 amSTL - MXP
1 stop21h 05mUnited Airlines
Tue 11/41:05 pmMXP - STL
2 stops33h 44mUnited Airlines
Deal found 9/16$477
This Flighttix deal was found by Cheapflights users on 9/15. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/205:28 pmSTL - MXP
1 stop12h 52mLufthansa
Wed 11/56:55 amMXP - STL
1 stop14h 00mLufthansa
Deal found 9/15$481
This Flighttix deal was found by Cheapflights users on 9/16. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2710:00 amSTL - MXP
2 stops16h 55mMultiple Airlines
Wed 11/56:55 amMXP - STL
2 stops17h 44mMultiple Airlines
Deal found 9/16$484
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/2811:49 amSTL - MXP
1 stop13h 41mUnited Airlines
Fri 11/73:05 pmMXP - STL
1 stop26h 46mUnited Airlines
Deal found 9/16$490
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Sun 10/266:43 pmSTL - MXP
1 stop12h 22mUnited Airlines
Tue 11/41:05 pmMXP - STL
2 stops33h 44mUnited Airlines
Deal found 9/16$492
This Finnair deal was found by Cheapflights users on 9/16. 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.
Thu 12/47:00 amSTL - MXP
1 stop18h 05mMultiple Airlines
Fri 12/1210:25 amMXP - STL
1 stop16h 55mMultiple Airlines
Deal found 9/16$495
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/2610:00 amSTL - MXP
1 stop21h 05mUnited Airlines
Fri 11/79:10 amMXP - STL
2 stops17h 29mUnited Airlines
Deal found 9/16$497
This Mytrip deal was found by Cheapflights users on 9/15. 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.
Mon 10/204:05 pmSTL - LIN
2 stops15h 45mMultiple Airlines
Wed 11/56:10 amLIN - STL
1 stop14h 45mMultiple Airlines
Deal found 9/15$504
This Justfly.com deal was found by Cheapflights users on 9/16. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/264:50 pmSTL - LIN
1 stop13h 55mLufthansa
Wed 11/56:10 amLIN - STL
1 stop14h 45mLufthansa
Deal found 9/16$517

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 September 17, 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. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Mon 10/20

9:15 am-10:00 am

2 stops17h 45m

Milan Malpensa

Wed 11/5

6:55 am-1:55 pm

1 stop14h 00m

$472

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Mon 10/27

10:00 am-8:55 am

2 stops16h 55m

Milan Malpensa

Tue 11/4

1:05 pm-3:49 pm

3 stops33h 44m

$480

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Mon 10/27

6:30 am-1:05 pm

1 stop24h 35m

Milan Malpensa

Wed 11/5

3:05 pm-10:45 pm

1 stop14h 40m

$490

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Tue 10/28

10:00 am-7:30 am

2 stops15h 30m

Milan Malpensa

Fri 11/7

3:05 pm-10:45 pm

1 stop14h 40m

$490

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Tue 10/28

5:24 pm-8:55 am

2 stops33h 31m

Milan Malpensa

Thu 11/6

1:05 pm-2:25 pm

2 stops56h 20m

$490

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Mon 10/27

5:24 pm-1:05 pm

1 stop13h 41m

Milan Malpensa

Fri 11/7

3:05 pm-12:28 pm

1 stop28h 23m

$490

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Mon 10/27

10:00 am-8:55 am

2 stops16h 55m

Milan Malpensa

Fri 11/7

1:05 pm-2:25 pm

2 stops32h 20m

$490

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Sun 10/26

10:00 am-1:05 pm

1 stop21h 05m

Milan Malpensa

Fri 11/7

3:05 pm-10:51 am

1 stop26h 46m

$490

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Tue 10/28

10:00 am-7:30 am

2 stops15h 30m

Milan Malpensa

Wed 11/5

3:05 pm-10:45 pm

1 stop14h 40m

$490

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Sun 10/26

3:14 pm-1:05 pm

1 stop15h 51m

Milan Malpensa

Wed 11/5

3:05 pm-10:45 pm

1 stop14h 40m

$490

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

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 $703). Flying from St. Louis to Italy in June is currently the most expensive (average of $1,200). 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 September 17, 2025.

When flying from St. Louis to Italy, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 September 17, 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
8.0
Very good
7,961 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,926 reviews
Delta
8.0
Very good
7,961 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,961 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
10,000 reviews
Delta
8.0
Very good
7,961 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Lufthansa
6.8
Okay
7,409 reviews
Delta
8.0
Very good
7,961 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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?

    Air Canada, United Airlines, and Lufthansa can get you from St. Louis to Italy in just under 13h 55m. Your travel time can differ by up to 10h 40m. St. Louis and Italy are separated by a distance of 4781 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 Air Canada ($237), United Airlines ($241), and American Airlines ($245).

  • What are the most popular routes from St. Louis to Italy?

    Most travelers choose Lambert-St Louis - Rome Fiumicino, Lambert-St Louis - Venice Marco Polo or Lambert-St Louis - Milan Malpensa 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 $703). Flying from St. Louis to Italy in June is currently the most expensive (average of $1,200). 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$485Average$1,128FlexibilityNo cancel feeOn-time69%
IberiaCheapest$536Average$1,129FlexibilityNo cancel feeOn-time77%
KLMCheapest$573Average$1,036FlexibilityNo cancel feeOn-time75%
DeltaCheapest$587Average$1,150FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$639Average$1,294FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$665Average$1,083FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$672Average$1,225FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$705Average$1,209FlexibilityNo cancel feeOn-time67%

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