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Italy

$268+ 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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
STL — NAP
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
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 August 20, 2025.

Round-trip from

$507
(United Airlines)

One-way from

$268
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$811
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. 25% potential increase in price ($358 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($50 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 20, 2025.

This United Airlines deal was found by Cheapflights users on 8/17. 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 12/26:42 pmSTL - MXP
2 stops32h 13mUnited Airlines
Thu 12/181:05 pmMXP - STL
2 stops32h 21mUnited Airlines
Deal found 8/17$507
This Air Canada deal was found by Cheapflights users on 8/17. 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.
Sun 11/304:05 pmSTL - MXP
2 stops34h 50mAir Canada
Sun 12/141:05 pmMXP - STL
2 stops32h 18mAir Canada
Deal found 8/17$509
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Mon 10/275:24 pmSTL - MXP
1 stop13h 41mUnited Airlines
Tue 11/41:05 pmMXP - STL
2 stops33h 44mUnited Airlines
Deal found 8/18$513
This Air Canada deal was found by Cheapflights users on 8/17. 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 12/34:05 pmSTL - MXP
2 stops34h 50mAir Canada
Sun 12/141:05 pmMXP - STL
3 stops32h 18mAir Canada
Deal found 8/17$515
This Air Canada deal was found by Cheapflights users on 8/17. 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 12/66:42 pmSTL - MXP
3 stops56h 13mAir Canada
Thu 12/181:05 pmMXP - STL
2 stops35h 49mAir Canada
Deal found 8/17$518
This Booking.com deal was found by Cheapflights users on 8/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/276:30 amSTL - MXP
2 stops20h 25mAir Canada
Tue 11/41:05 pmMXP - STL
3 stops33h 44mAir Canada
Deal found 8/19$519
This United deal was found by Cheapflights users on 8/17. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/37:00 amSTL - MXP
1 stop17h 30mMultiple Airlines
Wed 12/176:55 amMXP - STL
1 stop14h 00mMultiple Airlines
Deal found 8/17$527
This Air Canada deal was found by Cheapflights users on 8/17. 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 12/34:05 pmSTL - MXP
2 stops34h 50mAir Canada
Sun 12/71:05 pmMXP - STL
2 stops33h 24mAir Canada
Deal found 8/17$528
This FlightHub deal was found by Cheapflights users on 8/17. 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 12/34:05 pmSTL - MXP
2 stops34h 50mMultiple Airlines
Sun 12/76:55 amMXP - STL
1 stop14h 00mMultiple Airlines
Deal found 8/17$529
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Thu 12/46:30 amSTL - MXP
2 stops20h 25mUnited Airlines
Mon 12/159:45 amMXP - STL
1 stop14h 44mUnited Airlines
Deal found 8/17$530
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Mon 12/16:30 amSTL - MXP
2 stops21h 20mUnited Airlines
Thu 12/181:05 pmMXP - STL
2 stops32h 21mUnited Airlines
Deal found 8/17$533
This United Airlines deal was found by Cheapflights users on 8/17. 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 11/306:43 pmSTL - MXP
1 stop11h 22mUnited Airlines
Mon 12/159:45 amMXP - STL
2 stops16h 28mUnited Airlines
Deal found 8/17$534

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 August 20, 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

Wed 12/3

11:50 am-7:30 am

1 stop12h 40m

Milan Malpensa

Tue 12/16

1:05 pm-3:40 pm

2 stops33h 35m

$507

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Sat 12/6

6:30 am-9:55 am

2 stops20h 25m

Milan Malpensa

Sun 12/14

1:05 pm-2:23 pm

2 stops32h 18m

$507

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Mon 12/1

6:43 pm-1:05 pm

1 stop11h 22m

Milan Malpensa

Tue 12/16

1:05 pm-2:25 pm

2 stops32h 20m

$507

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Fri 12/5

6:42 pm-9:55 am

2 stops32h 13m

Milan Malpensa

Thu 12/18

1:05 pm-5:54 pm

2 stops35h 49m

$507

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Thu 12/4

6:30 am-9:55 am

2 stops20h 25m

Milan Malpensa

Thu 12/18

1:05 pm-2:26 pm

2 stops32h 21m

$507

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Tue 12/2

6:42 pm-9:55 am

2 stops32h 13m

Milan Malpensa

Thu 12/18

1:05 pm-2:26 pm

2 stops32h 21m

$507

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Fri 12/5

6:42 pm-9:55 am

2 stops32h 13m

Milan Malpensa

Tue 12/16

1:05 pm-5:03 pm

2 stops34h 58m

$507

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Thu 12/4

11:50 am-7:30 am

1 stop12h 40m

Milan Malpensa

Tue 12/16

1:05 pm-3:40 pm

2 stops33h 35m

$507

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Fri 12/5

6:42 pm-9:55 am

2 stops32h 13m

Milan Malpensa

Sun 12/14

1:05 pm-3:40 pm

2 stops33h 35m

$507

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Tue 12/2

6:42 pm-9:55 am

2 stops32h 13m

Milan Malpensa

Tue 12/16

1:05 pm-3:40 pm

2 stops33h 35m

$507

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

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 $1,205). 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 August 20, 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 August 20, 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
7,982 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

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
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

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
8,928 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

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
7,982 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

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
7,982 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

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
7,337 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

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?

    United Airlines, Air Canada, and British Airways can get you from St. Louis to Italy in just under 12h 40m. Your travel time can differ by up to 7h 45m. 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 ($457), United Airlines ($523), and Air Canada ($523).

  • 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 $1,205). 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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$485Average$1,178FlexibilityNo cancel feeOn-time69%
IberiaCheapest$536Average$1,129FlexibilityNo cancel feeOn-time77%
KLMCheapest$573Average$1,053FlexibilityNo cancel feeOn-time75%
DeltaCheapest$587Average$1,135FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$665Average$1,102FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$672Average$1,358FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$675Average$1,365FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$705Average$1,207FlexibilityNo cancel feeOn-time67%

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