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St. Louis

$416+ Cheap flights from Italy to St. Louis (STL)

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 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
NAP — STL
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheap flight deals from Italy to St. Louis

Keep the following information in mind while searching for Italy to St. Louis flight deals. Data was last updated May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$766
(United Airlines)

One-way from

$416
(Kiwi.com)

Popular in

August

Cheapest in

December

Average price

$944
Provider with most accurate pricing for Rome (ROM)-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Rome (ROM)-Lambert-St Louis flights.
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From Italy to Lambert-St Louis
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One-way flight from Italy to Lambert-St Louis
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Highest demand for flights based on searches. 10% potential increase in price ($111 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Find flight deals from Italy to St. Louis

Cheapest flights from Italy to St. Louis
Explore the most affordable flight options available from Italy to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This United Airlines deal was found by Cheapflights users on 4/29. 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 5/812:15 pmMXP - STL
1 stop14h 43mUnited Airlines
Mon 5/121:30 pmSTL - MXP
1 stop13h 30mUnited Airlines
Deal found 4/29$766
This KLM deal was found by Cheapflights users on 4/29. 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.
Thu 5/151:55 pmBLQ - STL
2 stops16h 43mKLM
Mon 5/196:05 pmSTL - BLQ
2 stops15h 30mKLM
Deal found 4/29$779
This British Airways deal was found by Cheapflights users on 4/29. 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.
Thu 5/157:50 amBLQ - STL
2 stops17h 43mBritish Airways
Mon 5/197:30 pmSTL - BLQ
2 stops21h 15mBritish Airways
Deal found 4/29$783
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/711:30 amFCO - STL
1 stop15h 28mUnited Airlines
Mon 5/197:30 amSTL - FCO
1 stop21h 15mUnited Airlines
Deal found 4/30$787
This British Airways deal was found by Cheapflights users on 4/29. 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.
Thu 5/87:25 amLIN - STL
2 stops18h 08mBritish Airways
Mon 5/127:30 pmSTL - LIN
2 stops16h 25mBritish Airways
Deal found 4/29$790
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/711:30 amFCO - STL
1 stop15h 28mAir Canada
Mon 5/197:30 amSTL - FCO
2 stops18h 45mAir Canada
Deal found 4/30$798
This Trip.com deal was found by Cheapflights users on 4/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/812:15 pmMXP - STL
1 stop14h 43mAir Canada
Mon 5/127:30 amSTL - MXP
2 stops19h 30mAir Canada
Deal found 4/29$807
This British Airways deal was found by Cheapflights users on 4/29. 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.
Thu 5/89:30 amMXP - STL
2 stops16h 03mBritish Airways
Mon 5/127:30 pmSTL - MXP
2 stops18h 15mBritish Airways
Deal found 4/29$823
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.
Mon 7/711:20 amVCE - STL
1 stop28h 06mDelta
Mon 7/1411:23 amSTL - VCE
2 stops18h 37mDelta
Deal found 4/30$868
This Delta deal was found by Cheapflights users on 4/29. 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.
Sat 6/146:05 amFCO - STL
2 stops22h 29mDelta
Sat 6/215:54 pmSTL - FCO
2 stops16h 36mDelta
Deal found 4/29$878
This Trip.com deal was found by Cheapflights users on 4/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/152:50 pmBLQ - STL
1 stop29h 40mMultiple Airlines
Mon 5/197:30 amSTL - BLQ
2 stops28h 25mMultiple Airlines
Deal found 4/29$889
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Fri 5/211:10 amMXP - STL
2 stops18h 15mAmerican Airlines
Wed 5/289:36 amSTL - MXP
2 stops16h 34mAmerican Airlines
Deal found 4/29$934

Cheapflights Fare Finder

Customize your flight search to find flights from Italy to St. Louis 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 1, 2025.
Use the filters below to find and compare flights from Italy to St. Louis that are best for you.

Fly from

Italy

Fly to

St. Louis

Route

Depart

Return

Price

MilanSt. Louis

MXP - STL

MXPSTL

Milan Malpensa

Thu 5/8

12:15 pm-7:58 pm

1 stop14h 43m

Lambert-St Louis

Mon 5/12

1:30 pm-10:00 am

1 stop13h 30m

$766

BolognaSt. Louis

BLQ - STL

BLQSTL

Bologna Guglielmo Marconi

Thu 5/15

1:55 pm-11:38 pm

2 stops16h 43m

Lambert-St Louis

Mon 5/19

6:05 pm-4:35 pm

2 stops15h 30m

$779

BolognaSt. Louis

BLQ - STL

BLQSTL

Bologna Guglielmo Marconi

Thu 5/15

7:50 am-6:33 pm

2 stops17h 43m

Lambert-St Louis

Mon 5/19

7:30 pm-11:45 pm

2 stops21h 15m

$783

RomeSt. Louis

FCO - STL

FCOSTL

Rome Fiumicino

Sat 6/14

11:30 am-12:36 pm

2 stops32h 06m

Lambert-St Louis

Sat 6/21

7:30 am-10:15 am

1 stop19h 45m

$803

MilanSt. Louis

MXP - STL

MXPSTL

Milan Malpensa

Thu 5/8

12:15 pm-7:58 pm

1 stop14h 43m

Lambert-St Louis

Mon 5/12

7:30 am-10:00 am

2 stops19h 30m

$807

MilanSt. Louis

MXP - STL

MXPSTL

Milan Malpensa

Thu 5/8

9:30 am-6:33 pm

2 stops16h 03m

Lambert-St Louis

Mon 5/12

7:30 pm-8:45 pm

2 stops18h 15m

$823

VeniceSt. Louis

VCE - STL

VCESTL

Venice Marco Polo

Mon 7/7

11:20 am-8:26 am

1 stop28h 06m

Lambert-St Louis

Mon 7/14

11:23 am-1:00 pm

2 stops18h 37m

$868

RomeSt. Louis

FCO - STL

FCOSTL

Rome Fiumicino

Sat 6/14

6:05 am-9:34 pm

2 stops22h 29m

Lambert-St Louis

Sat 6/21

5:54 pm-5:30 pm

2 stops16h 36m

$878

BolognaSt. Louis

BLQ - STL

BLQSTL

Bologna Guglielmo Marconi

Thu 5/15

2:50 pm-1:30 pm

1 stop29h 40m

Lambert-St Louis

Mon 5/19

7:30 am-6:55 pm

2 stops28h 25m

$889

MilanSt. Louis

LIN - STL

LINSTL

Milan Linate

Sat 6/14

11:00 am-11:51 pm

2 stops19h 51m

Lambert-St Louis

Sat 6/21

8:49 am-10:05 am

2 stops18h 16m

$964

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 41 results
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Best time to book a flight from Italy to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Italy 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 Italy to St. Louis

What is the cheapest time of day to fly from IT to STL?

Find hourly flight availability from Italy to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Italy to St. Louis as you normally would.

Rainfall in St. Louis by month

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

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

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

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated May 1, 2025.
Get a feel of what it's like to fly with Delta, KLM and Finnair from Italy to St. Louis by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Turkish Airlines
7.3
Good
3,790 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Italy to St. Louis. 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 into for flights to St. Louis from Italy?

    Located just 12.7 mi from the city center, Lambert-St Louis (STL) is the airport most travelers will use when flying to St. Louis from Italy.

  • What are the cheapest airlines to fly from Italy to St. Louis one-way?

    One-way options have recently been found by users for as low as $553 on Aer Lingus. Other airlines that offer cheap prices include Turkish Airlines from $686 and British Airways from $712 one-way.

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

    Most travelers choose Rome Fiumicino - Lambert-St Louis, Venice Marco Polo - Lambert-St Louis or Bologna Guglielmo Marconi - Lambert-St Louis when deciding on the best route from Italy to St. Louis.

  • Can I find deals for flights from Italy to St. Louis that include hotel bookings?

    Yes. In addition to deals on Italy to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Italy to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Italy to St. Louis.

  • Can I find deals for business class flights from Italy to St. Louis?

    Yes. Cheapflights offers flight deals from Italy to St. Louis 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 Italy to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Italy to St. Louis (average of $311). Flying from Italy to St. Louis in March is currently the most expensive (average of $356). 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

Traveling to a place near Italy?

Book flights to Italy if you plan to visit one of these locations
Fenton
Maryland Heights
Fairview Heights
Collinsville
Wentzville
Eureka
St. Peters
Festus
Glencoe
Alton
Farmington
O'Fallon

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Alternative routes for Italy to St. Louis

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