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$311+ 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 7/19. Fares are subject to change and may not be available on all flights or dates of travel.
STL — NAP
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$561
(United Airlines)

One-way from

$311
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,609
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. 21% potential increase in price ($311 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($46 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/246:30 amSTL - MXP
2 stops20h 30mMultiple Airlines
Sun 11/27:00 amMXP - STL
1 stop13h 55mMultiple Airlines
Deal found 6/10$491
This CheapOair deal was found by Cheapflights users on 6/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/246:30 amSTL - MXP
2 stops20h 30mAir Canada
Sun 11/21:05 pmMXP - STL
3 stops33h 24mAir Canada
Deal found 6/12$512
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Thu 11/66:45 amSTL - MXP
2 stops17h 45mUnited Airlines
Thu 11/131:05 pmMXP - STL
2 stops35h 09mUnited Airlines
Deal found 6/11$514
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/243:30 pmSTL - MXP
1 stop12h 10mLufthansa
Sun 11/27:00 amMXP - STL
1 stop13h 55mLufthansa
Deal found 6/10$539
This Lufthansa deal was found by Cheapflights users on 6/10. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/243:30 pmSTL - LIN
1 stop19h 05mLufthansa
Sun 11/25:15 amLIN - STL
1 stop14h 40mLufthansa
Deal found 6/10$551
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/66:30 amSTL - MXP
2 stops21h 05mDelta
Tue 11/1811:05 amMXP - STL
1 stop28h 05mDelta
Deal found 6/10$560
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Thu 11/610:30 amSTL - LIN
2 stops20h 45mUnited Airlines
Tue 11/186:15 amLIN - STL
2 stops16h 11mUnited Airlines
Deal found 6/10$566
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/21:27 pmSTL - NAP
2 stops17h 23mLufthansa
Tue 12/162:35 pmNAP - STL
1 stop30h 20mLufthansa
Deal found 6/10$596
This Gotogate deal was found by Cheapflights users on 6/10. 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.
Wed 9/103:30 pmSTL - LIN
1 stop11h 30mMultiple Airlines
Tue 9/167:00 amLIN - STL
2 stops15h 18mMultiple Airlines
Deal found 6/10$605
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/24:15 pmSTL - NAP
2 stops43h 00mMultiple Airlines
Tue 12/166:15 pmNAP - STL
2 stops26h 40mMultiple Airlines
Deal found 6/10$606
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1511:02 amSTL - LIN
2 stops17h 18mDelta
Wed 8/208:00 amLIN - STL
2 stops21h 02mDelta
Deal found 6/11$636
This Air Canada deal was found by Cheapflights users on 6/11. 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.
Tue 8/121:30 pmSTL - NAP
1 stop13h 10mAir Canada
Tue 8/266:40 amNAP - STL
2 stops20h 20mAir Canada
Deal found 6/11$640

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 June 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. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Wed 9/10

1:30 pm-10:00 am

1 stop13h 30m

Milan Malpensa

Tue 9/16

12:15 pm-3:44 pm

2 stops34h 29m

$561

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Wed 9/10

1:30 pm-10:00 am

1 stop13h 30m

Milan Malpensa

Tue 9/16

12:15 pm-2:19 pm

2 stops33h 04m

$562

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Fri 8/22

6:00 am-9:25 am

1 stop20h 25m

Milan Malpensa

Sat 12/13

11:05 am-9:59 pm

1 stop17h 54m

$563

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Mon 8/18

11:02 am-9:25 am

1 stop15h 23m

Milan Malpensa

Mon 8/25

11:40 am-7:07 pm

1 stop14h 27m

$600

St. LouisMilan

STL - LIN

STLLIN

Lambert-St Louis

Wed 9/10

3:30 pm-10:00 am

1 stop11h 30m

Milan Linate

Tue 9/16

7:00 am-3:18 pm

2 stops15h 18m

$605

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Mon 8/18

6:10 pm-6:15 pm

2 stops17h 05m

Milan Malpensa

Mon 8/25

7:05 pm-6:30 pm

2 stops30h 25m

$609

St. LouisMilan

STL - LIN

STLLIN

Lambert-St Louis

Wed 9/10

3:30 pm-12:00 pm

1 stop13h 30m

Milan Linate

Wed 9/17

7:00 am-1:30 pm

1 stop13h 30m

$610

St. LouisMilan

STL - LIN

STLLIN

Lambert-St Louis

Fri 8/15

11:02 am-11:20 am

2 stops17h 18m

Milan Linate

Wed 8/20

8:00 am-10:02 pm

2 stops21h 02m

$636

St. LouisNaples

STL - NAP

STLNAP

Lambert-St Louis

Tue 8/12

1:30 pm-9:40 am

1 stop13h 10m

Naples

Tue 8/26

6:40 am-8:00 pm

2 stops20h 20m

$640

St. LouisNaples

STL - NAP

STLNAP

Lambert-St Louis

Tue 8/12

1:30 pm-9:40 am

1 stop13h 10m

Naples

Tue 8/26

9:45 am-7:39 pm

1 stop16h 54m

$643

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 $1,217). 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 June 12, 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.

Rainfall in Italy by month

Plan your trip to Italy by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Italy ranges from 0.6 - 4.4 inches per month. November is typically the wettest month, when rainfall can reach 4.4 in. June is typically the driest time to visit Italy when rainfall is around 0.6 in.

Temperature in Italy by month

Plan your trip to Italy by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Italy, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 46.4 F).

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 June 12, 2025.
Read reviews from past customers who have flown Delta, KLM and Austrian Airlines from St. Louis to Italy. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

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!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

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!
Austrian Airlines
7.6
Good
802 reviews
Delta
8.0
Very good
7,950 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

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!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,950 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

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
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

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.

  • 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 ($424), United Airlines ($429), and Scandinavian Airlines ($474).

  • 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 $1,217). 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$573Average$968FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$586Average$1,199FlexibilityNo cancel feeOn-time70%
IberiaCheapest$630Average$1,026FlexibilityNo cancel feeOn-time77%
DeltaCheapest$670Average$1,181FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$675Average$1,301FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$704Average$1,230FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$713Average$1,139FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$784Average$1,209FlexibilityNo cancel feeOn-time67%

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