How long is the flight from Italy to St. Louis?

United Airlines, Air Canada, and Lufthansa can get you from Italy to St. Louis in just under 16h 20m. Your travel time can differ by up to 16h 47m. The distance from Italy to St. Louis is about 4898 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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 $507 on British Airways. Other airlines that offer cheap prices include American Airlines from $511 and Aer Lingus from $610 one-way.

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.

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.

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).

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.

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.

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.

$405+ Flights from Italy to St. Louis

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Cheap flight deals from Italy to St. Louis

Round-trip from	$697 (United Airlines)
One-way from	$405 (Kiwi.com)
Popular in	August
Cheapest in	December
Average price	$982

From Italy to Lambert-St Louis

Search Deals

One-way flight from Italy to Lambert-St Louis

Search Deals

Highest demand for flights based on searches. 8% potential increase in price ($91 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($18 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

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 September 17, 2025.

Thu 10/29:10 amMXP - STL

2 stops16h 59mUnited Airlines

Mon 10/612:25 pmSTL - MXP

2 stops14h 35mUnited Airlines

Deal found 9/16

$698

Wed 10/1512:20 pmVCE - STL

2 stops33h 07mAir Canada

Wed 10/224:05 pmSTL - VCE

2 stops34h 35mAir Canada

Deal found 9/16

$698

Wed 10/1510:55 amVCE - STL

2 stops18h 05mUnited Airlines

Wed 10/228:00 amSTL - VCE

2 stops16h 55mUnited Airlines

Deal found 9/15

$699

Thu 12/46:55 amVCE - STL

2 stops21h 45mUnited Airlines

Mon 12/811:50 amSTL - VCE

1 stop14h 05mUnited Airlines

Deal found 9/16

$704

Mon 9/299:45 amMXP - STL

1 stop20h 59mUnited Airlines

Sun 10/53:23 pmSTL - MXP

1 stop14h 57mUnited Airlines

Deal found 9/15

$709

Thu 11/271:30 pmFCO - STL

2 stops28h 21mUnited Airlines

Mon 12/111:49 amSTL - FCO

1 stop13h 06mUnited Airlines

Deal found 9/14

$709

Thu 10/212:20 pmVCE - STL

1 stop14h 37mUnited Airlines

Mon 10/68:05 amSTL - VCE

2 stops18h 00mUnited Airlines

Deal found 9/17

$709

Fri 10/38:15 amFLR - STL

2 stops22h 43mUnited Airlines

Wed 11/56:30 amSTL - FLR

2 stops24h 20mUnited Airlines

Deal found 9/14

$712

Thu 12/411:05 amVCE - STL

1 stop19h 37mLufthansa

Mon 12/811:50 amSTL - VCE

1 stop14h 05mLufthansa

Deal found 9/14

$716

Wed 10/111:30 amFCO - STL

1 stop15h 27mAir Canada

Sun 10/51:30 pmSTL - FCO

1 stop12h 45mAir Canada

Deal found 9/16

$720

Thu 11/1312:30 pmPSA - STL

2 stops37h 11mAmerican Airlines

Mon 11/175:58 pmSTL - PSA

2 stops58h 37mAmerican Airlines

Deal found 9/14

$720

Thu 10/212:20 pmVCE - STL

1 stop14h 37mAir Canada

Mon 10/64:05 pmSTL - VCE

2 stops14h 45mAir Canada

Deal found 9/17

$723

Best flights from Italy to St. Louis
Discover carefully curated flight deals from Italy to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2025.

Thu 2/1910:05 amBLQ - STL

2 stops16h 20mUnited Airlines

Sun 2/226:45 pmSTL - BLQ

2 stops15h 20mUnited Airlines

Deal found 9/14

$697

Wed 10/1512:20 pmVCE - STL

2 stops33h 07mAir Canada

Wed 10/224:05 pmSTL - VCE

2 stops34h 35mAir Canada

Deal found 9/16

$698

Thu 2/56:25 amBLQ - STL

2 stops24h 34mLufthansa

Sun 2/81:00 pmSTL - BLQ

2 stops16h 40mLufthansa

Deal found 9/15

$704

Thu 11/1312:30 pmPSA - STL

2 stops37h 11mAmerican Airlines

Mon 11/175:58 pmSTL - PSA

2 stops58h 37mAmerican Airlines

Deal found 9/14

$720

Thu 10/26:20 amBLQ - STL

2 stops17h 28mAir France

Mon 10/62:15 pmSTL - BLQ

2 stops14h 40mAir France

Deal found 9/16

$809

Thu 10/309:50 amFLR - STL

2 stops17h 38mKLM

Thu 11/611:36 amSTL - FLR

2 stops14h 19mKLM

Deal found 9/15

$850

Mon 9/299:00 pmLIN - STL

2 stops31h 37mMultiple Airlines

Sun 10/53:30 pmSTL - LIN

1 stop13h 30mMultiple Airlines

Deal found 9/15

$910

Thu 10/29:10 amMXP - STL

2 stops16h 59mUnited Airlines

Mon 10/61:30 pmSTL - MXP

1 stop13h 30mUnited Airlines

Deal found 9/16

$698

Thu 2/511:35 amMXP - STL

2 stops34h 54mAir Canada

Sun 2/84:05 pmSTL - MXP

2 stops34h 50mAir Canada

Deal found 9/14

$705

Sat 2/146:10 amLIN - STL

2 stops24h 48mLufthansa

Sun 2/226:45 pmSTL - LIN

2 stops18h 55mLufthansa

Deal found 9/16

$707

Thu 10/27:50 amBLQ - STL

2 stops19h 35mAmerican Airlines

Mon 10/68:05 pmSTL - BLQ

2 stops20h 40mAmerican Airlines

Deal found 9/16

$743

Thu 2/196:30 amFLR - STL

2 stops19h 43mUnited Airlines

Mon 2/2312:15 pmSTL - FLR

2 stops18h 30mUnited Airlines

Deal found 9/14

$699

Thu 2/56:00 amLIN - STL

2 stops24h 59mLufthansa

Sun 2/86:40 pmSTL - LIN

2 stops19h 00mLufthansa

Deal found 9/16

$715

Wed 10/111:30 amFCO - STL

1 stop15h 27mAir Canada

Sun 10/51:30 pmSTL - FCO

1 stop12h 45mAir Canada

Deal found 9/16

$720

Mon 9/297:30 pmLIN - STL

2 stops27h 07mAmerican Airlines

Sun 10/58:03 pmSTL - LIN

2 stops14h 12mAmerican Airlines

Deal found 9/15

$745

Wed 10/1510:55 amVCE - STL

2 stops18h 05mUnited Airlines

Wed 10/2211:39 amSTL - VCE

1 stop14h 26mUnited Airlines

Deal found 9/15

$699

Thu 12/411:05 amVCE - STL

1 stop19h 37mLufthansa

Mon 12/811:50 amSTL - VCE

1 stop14h 05mLufthansa

Deal found 9/14

$716

Thu 10/211:30 amFCO - STL

1 stop15h 27mAir Canada

Mon 10/61:30 pmSTL - FCO

1 stop12h 45mAir Canada

Deal found 9/17

$723

Thu 10/27:25 amLIN - STL

2 stops18h 45mAmerican Airlines

Mon 10/68:05 pmSTL - LIN

2 stops14h 10mAmerican Airlines

Deal found 9/16

$746

Thu 12/46:55 amVCE - STL

2 stops21h 45mUnited Airlines

Mon 12/810:00 amSTL - VCE

2 stops15h 55mUnited Airlines

Deal found 9/14

$699

Thu 10/210:35 amBLQ - STL

1 stop33h 55mMultiple Airlines

Mon 10/612:25 pmSTL - BLQ

2 stops14h 30mMultiple Airlines

Deal found 9/16

$933

Thu 10/212:20 pmVCE - STL

2 stops33h 58mAir Canada

Mon 10/61:30 pmSTL - VCE

2 stops17h 20mAir Canada

Deal found 9/17

$723

Thu 11/271:30 pmFCO - STL

1 stop31h 25mLufthansa

Mon 12/111:49 amSTL - FCO

1 stop13h 06mLufthansa

Deal found 9/14

$729

Tue 2/36:15 amLIN - STL

3 stops21h 58mMultiple Airlines

Tue 2/104:05 pmSTL - LIN

2 stops19h 05mMultiple Airlines

Deal found 9/16

$942

Mon 9/299:45 amMXP - STL

1 stop20h 59mUnited Airlines

Sun 10/53:23 pmSTL - MXP

1 stop14h 57mUnited Airlines

Deal found 9/15

$709

Sat 2/146:10 amLIN - STL

3 stops21h 50mAir Canada

Sun 2/224:05 pmSTL - LIN

2 stops15h 05mAir Canada

Deal found 9/16

$723

Thu 11/271:30 pmFCO - STL

2 stops28h 21mUnited Airlines

Mon 12/111:49 amSTL - FCO

1 stop13h 06mUnited Airlines

Deal found 9/14

$709

Thu 10/23:30 pmLIN - STL

1 stop29h 00mLufthansa

Mon 10/612:25 pmSTL - LIN

2 stops14h 35mLufthansa

Deal found 9/15

$818

Thu 10/212:20 pmVCE - STL

1 stop14h 37mUnited Airlines

Mon 10/68:05 amSTL - VCE

2 stops18h 00mUnited Airlines

Deal found 9/17

$709

Fri 10/31:25 pmBLQ - STL

2 stops15h 12mMultiple Airlines

Wed 11/512:31 pmSTL - BLQ

2 stops13h 44mMultiple Airlines

Deal found 9/14

$1,047

Last-minute flights from Italy to St. Louis
Discover last-minute flight deals from Italy to St. Louis. Data last updated September 17, 2025 and is based on user searches.

Mon 9/299:45 amMXP - STL

1 stop20h 59mUnited Airlines

Sun 10/53:23 pmSTL - MXP

1 stop14h 57mUnited Airlines

Deal found 9/15

$709

Wed 10/111:30 amFCO - STL

1 stop15h 27mAir Canada

Sun 10/51:30 pmSTL - FCO

1 stop12h 45mAir Canada

Deal found 9/16

$720

Wed 10/111:30 amFCO - STL

2 stops34h 48mMultiple Airlines

Sun 10/512:25 pmSTL - FCO

2 stops14h 50mMultiple Airlines

Deal found 9/15

$733

Thu 10/29:10 amMXP - STL

2 stops16h 59mUnited Airlines

Mon 10/61:30 pmSTL - MXP

1 stop13h 30mUnited Airlines

Deal found 9/16

$698

Thu 10/212:20 pmVCE - STL

1 stop14h 37mUnited Airlines

Mon 10/66:00 amSTL - VCE

1 stop20h 05mUnited Airlines

Deal found 9/17

$709

Thu 10/212:20 pmVCE - STL

1 stop14h 37mAir Canada

Mon 10/64:05 pmSTL - VCE

2 stops14h 45mAir Canada

Deal found 9/17

$723

Thu 10/211:30 amFCO - STL

1 stop15h 27mUnited Airlines

Mon 10/61:30 pmSTL - FCO

1 stop12h 45mUnited Airlines

Deal found 9/17

$724

Thu 10/211:30 amFCO - STL

1 stop15h 27mAir Canada

Mon 10/69:15 amSTL - FCO

2 stops17h 00mAir Canada

Deal found 9/17

$727

Thu 10/211:30 amFCO - STL

1 stop15h 27mMultiple Airlines

Mon 10/612:25 pmSTL - FCO

2 stops14h 50mMultiple Airlines

Deal found 9/17

$731

Fri 10/38:15 amFLR - STL

2 stops22h 43mUnited Airlines

Wed 11/56:30 amSTL - FLR

2 stops24h 20mUnited Airlines

Deal found 9/14

$712

Wed 10/1512:20 pmVCE - STL

2 stops33h 07mAir Canada

Wed 10/224:05 pmSTL - VCE

2 stops34h 35mAir Canada

Deal found 9/16

$698

Wed 10/1510:55 amVCE - STL

2 stops18h 05mUnited Airlines

Wed 10/228:00 amSTL - VCE

2 stops16h 55mUnited Airlines

Deal found 9/15

$699

One-way flights from Italy to St. Louis
Search for one-way flight options from Italy to St. Louis. Find affordable one-way fares based on user searches. Data last updated September 17, 2025.

Wed 10/225:55 amMXP - STL

3 stops35h 42mMultiple Airlines

Deal found 9/15

$405

Sat 1/107:10 pmFCO - STL

2 stops43h 40mMultiple Airlines

Deal found 9/17

$454

Wed 12/1010:15 amMXP - STL

2 stops20h 44mMultiple Airlines

Deal found 9/15

$486

Sun 11/166:45 amFLR - STL

3 stops57h 22mMultiple Airlines

Deal found 9/15

$505

Wed 12/107:35 amLIN - STL

2 stops20h 16mBritish Airways

Deal found 9/15

$507

Tue 2/108:20 pmFCO - STL

2 stops32h 28mMultiple Airlines

Deal found 9/15

$511

Wed 12/107:35 amLIN - STL

2 stops19h 49mAmerican Airlines

Deal found 9/15

$511

Mon 10/139:55 pmFCO - STL

3 stops42h 12mMultiple Airlines

Deal found 9/16

$525

Sun 11/1612:40 pmFLR - STL

2 stops39h 20mBritish Airways

Deal found 9/15

$546

Thu 10/2312:10 pmVCE - STL

2 stops26h 59mAer Lingus

Deal found 9/15

$610

Thu 10/237:30 amFCO - STL

2 stops31h 39mAer Lingus

Deal found 9/15

$620

Wed 10/221:20 pmMXP - STL

1 stop13h 54mBritish Airways

Deal found 9/15

$625

Fly from

Fly to

Route

Depart

Return

Price

BolognaSt. Louis

BLQ - STL

BLQSTL

Bologna Guglielmo Marconi

Thu 2/19

10:05 am-7:25 pm

2 stops16h 20m

Lambert-St Louis

Sun 2/22

6:45 pm-5:05 pm

2 stops15h 20m

$697

VeniceSt. Louis

VCE - STL

VCESTL

Venice Marco Polo

Wed 10/15

12:20 pm-2:27 pm

2 stops33h 07m

Lambert-St Louis

Wed 10/22

4:05 pm-9:40 am

2 stops34h 35m

$698

MilanSt. Louis

MXP - STL

MXPSTL

Milan Malpensa

Thu 10/2

9:10 am-7:09 pm

2 stops16h 59m

Lambert-St Louis

Mon 10/6

1:30 pm-10:00 am

1 stop13h 30m

$698

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Thu 2/19

6:30 am-7:13 pm

2 stops19h 43m

Lambert-St Louis

Mon 2/23

12:15 pm-1:45 pm

2 stops18h 30m

$699

VeniceSt. Louis

VCE - STL

VCESTL

Venice Marco Polo

Wed 10/15

10:55 am-10:00 pm

2 stops18h 05m

Lambert-St Louis

Wed 10/22

11:39 am-9:05 am

1 stop14h 26m

$699

VeniceSt. Louis

VCE - STL

VCESTL

Venice Marco Polo

Thu 12/4

6:55 am-9:40 pm

2 stops21h 45m

Lambert-St Louis

Mon 12/8

10:00 am-8:55 am

2 stops15h 55m

$699

BolognaSt. Louis

BLQ - STL

BLQSTL

Bologna Guglielmo Marconi

Thu 2/5

6:25 am-11:59 pm

2 stops24h 34m

Lambert-St Louis

Sun 2/8

1:00 pm-12:40 pm

2 stops16h 40m

$704

MilanSt. Louis

MXP - STL

MXPSTL

Milan Malpensa

Thu 2/5

11:35 am-3:29 pm

2 stops34h 54m

Lambert-St Louis

Sun 2/8

4:05 pm-9:55 am

2 stops34h 50m

$705

MilanSt. Louis

LIN - STL

LINSTL

Milan Linate

Sat 2/14

6:10 am-11:58 pm

2 stops24h 48m

Lambert-St Louis

Sun 2/22

6:45 pm-8:40 pm

2 stops18h 55m

$707

MilanSt. Louis

MXP - STL

MXPSTL

Milan Malpensa

Mon 9/29

9:45 am-11:44 pm

1 stop20h 59m

Lambert-St Louis

Sun 10/5

3:23 pm-1:20 pm

1 stop14h 57m

$709

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 60 results

...

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?

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.

Reviews of airlines servicing St. Louis

See what other customers who have flown with British Airways from Italy to St. Louis have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

British Airways

6.7

Okay

7,367 reviews

Reviews

1 / 20

6.0

Good

Anonymous,May 2025

LHR - LAX

We needed assistance (wheelchair, golf cart, whatever ) to get to next gate. We requested it. None was provided.

British Airways

6.7

Okay

7,367 reviews

British Airways

6.7

Okay

7,367 reviews

Reviews

1 / 20

6.0

Good

Anonymous,May 2025

LHR - LAX

We needed assistance (wheelchair, golf cart, whatever ) to get to next gate. We requested it. None was provided.

Related info for your journey

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.
How long is the flight from Italy to St. Louis?
United Airlines, Air Canada, and Lufthansa can get you from Italy to St. Louis in just under 16h 20m. Your travel time can differ by up to 16h 47m. The distance from Italy to St. Louis is about 4898 mi. Both multi-stop and nonstop flights can be found to your destination and back.
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 $507 on British Airways. Other airlines that offer cheap prices include American Airlines from $511 and Aer Lingus from $610 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

Edwardsville

O'Fallon

Fairview Heights

Maryland Heights

Collinsville

Eureka

Glencoe

St. Peters

Chesterfield

Alton

Farmington

Festus

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$405+ 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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Italy to St. Louis with Cheapflights

1. Tell us where you want to go

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3. Compare prices and book

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 September 17, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Italy to St. Louis

Cheapest flights from Italy to St. LouisExplore 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 September 17, 2025.

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 September 17, 2025.

Cheapflights Fare Finder

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

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.

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 September 17, 2025.

Reviews of airlines servicing St. Louis

See what other customers who have flown with British Airways from Italy to St. Louis have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

How long is the flight from Italy to St. Louis?

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

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

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

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

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

What is the cheapest month to book a flight from Italy to St. Louis?

Traveling to a place near St. Louis?

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Alternative routes for Italy to St. Louis

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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 September 17, 2025.