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 $568 on Aer Lingus. Other airlines that offer cheap prices include Turkish Airlines from $694 and British Airways from $713 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.

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

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

What is the cheapest month to fly from Italy to St. Louis?

Our data shows that December tends to be the cheapest month to fly to St. Louis from Italy. Users have commonly found prices around $953 for the month, but tickets can be as low as $787. Due to multiple factors, prepare for potentially higher prices in August.

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.

$867+ Flights from Italy to St. Louis

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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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Cheap flight deals from Italy to St. Louis

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$752 (Gotogate)
One-way from	$433 (Kiwi.com)
Popular in	August
Cheapest in	December
Average price	$939

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 April 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 April 24, 2025.

Fri 5/96:05 amBLQ - STL

2 stops20h 53mMultiple Airlines

Tue 5/131:30 pmSTL - BLQ

2 stops13h 25mMultiple Airlines

Deal found 4/23

$752

Sat 5/36:40 amFLR - STL

2 stops20h 18mUnited Airlines

Sat 5/315:27 pmSTL - FLR

2 stops16h 23mUnited Airlines

Deal found 4/23

$762

Fri 5/96:05 amBLQ - STL

1 stop14h 25mLufthansa

Tue 5/138:25 amSTL - BLQ

2 stops32h 05mLufthansa

Deal found 4/23

$769

Thu 5/112:15 pmMXP - STL

1 stop14h 43mUnited Airlines

Tue 5/68:00 amSTL - MXP

2 stops16h 30mUnited Airlines

Deal found 4/23

$771

Thu 9/187:10 amFCO - STL

2 stops19h 47mAir Canada

Wed 9/241:30 pmSTL - FCO

1 stop12h 45mAir Canada

Deal found 4/23

$775

Fri 5/96:05 amBLQ - STL

2 stops37h 31mUnited Airlines

Tue 5/131:30 pmSTL - BLQ

2 stops27h 00mUnited Airlines

Deal found 4/23

$782

Sat 6/710:35 amVCE - STL

2 stops16h 23mMultiple Airlines

Sat 6/147:30 amSTL - VCE

2 stops19h 20mMultiple Airlines

Deal found 4/22

$784

Fri 5/96:40 amFLR - STL

2 stops20h 18mAir Canada

Thu 5/297:30 amSTL - FLR

2 stops19h 10mAir Canada

Deal found 4/23

$785

Wed 5/711:30 amFCO - STL

1 stop15h 28mUnited Airlines

Mon 5/199:40 amSTL - FCO

1 stop15h 15mUnited Airlines

Deal found 4/23

$785

Thu 5/17:25 amLIN - STL

2 stops19h 04mBritish Airways

Tue 5/67:30 pmSTL - LIN

2 stops14h 45mBritish Airways

Deal found 4/23

$788

Fri 5/96:40 amFLR - STL

1 stop13h 50mLufthansa

Thu 5/291:00 pmSTL - FLR

2 stops22h 15mLufthansa

Deal found 4/23

$789

Thu 5/17:25 amLIN - STL

2 stops17h 47mAmerican Airlines

Mon 5/52:20 pmSTL - LIN

2 stops15h 10mAmerican Airlines

Deal found 4/23

$795

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 April 24, 2025.

Fri 5/96:05 amBLQ - STL

2 stops20h 53mMultiple Airlines

Tue 5/131:30 pmSTL - BLQ

2 stops13h 25mMultiple Airlines

Deal found 4/23

$752

Tue 5/66:40 amFLR - STL

2 stops20h 18mUnited Airlines

Sat 5/315:27 pmSTL - FLR

2 stops16h 23mUnited Airlines

Deal found 4/23

$762

Fri 5/96:05 amBLQ - STL

1 stop14h 25mLufthansa

Tue 5/138:25 amSTL - BLQ

2 stops32h 05mLufthansa

Deal found 4/23

$769

Thu 9/187:10 amFCO - STL

2 stops19h 47mAir Canada

Wed 9/241:30 pmSTL - FCO

1 stop12h 45mAir Canada

Deal found 4/23

$775

Wed 5/76:30 amFCO - STL

2 stops21h 19mDelta

Mon 5/196:05 pmSTL - FCO

2 stops15h 30mDelta

Deal found 4/23

$802

Sun 5/47:10 amFLR - STL

2 stops23h 23mBritish Airways

Sat 5/311:38 pmSTL - FLR

2 stops25h 42mBritish Airways

Deal found 4/23

$824

Tue 8/191:20 pmMXP - STL

1 stop29h 40mAmerican Airlines

Tue 9/168:01 pmSTL - MXP

2 stops15h 04mAmerican Airlines

Deal found 4/23

$868

Tue 8/199:20 amMXP - STL

2 stops18h 27mAir France

Tue 9/163:30 pmSTL - MXP

2 stops15h 25mAir France

Deal found 4/23

$876

Tue 8/1911:40 amMXP - STL

1 stop16h 07mKLM

Tue 9/1611:51 amSTL - MXP

1 stop14h 34mKLM

Deal found 4/23

$880

Fri 5/96:05 amBLQ - STL

2 stops37h 31mUnited Airlines

Tue 5/131:30 pmSTL - BLQ

2 stops27h 00mUnited Airlines

Deal found 4/23

$782

Sat 6/710:35 amVCE - STL

2 stops16h 23mMultiple Airlines

Sat 6/147:30 amSTL - VCE

2 stops19h 20mMultiple Airlines

Deal found 4/22

$784

Fri 5/96:40 amFLR - STL

2 stops20h 18mAir Canada

Thu 5/297:30 amSTL - FLR

2 stops19h 10mAir Canada

Deal found 4/23

$785

Last-minute flights from Italy to St. Louis
Discover last-minute flight deals from Italy to St. Louis. Data last updated April 24, 2025 and is based on user searches.

Thu 5/112:15 pmMXP - STL

1 stop14h 43mUnited Airlines

Tue 5/61:10 pmSTL - MXP

1 stop17h 10mUnited Airlines

Deal found 4/23

$771

Thu 5/17:25 amLIN - STL

2 stops19h 04mBritish Airways

Tue 5/67:30 pmSTL - LIN

2 stops14h 45mBritish Airways

Deal found 4/23

$788

Thu 5/17:25 amLIN - STL

2 stops17h 47mAmerican Airlines

Mon 5/52:20 pmSTL - LIN

2 stops15h 10mAmerican Airlines

Deal found 4/23

$795

Thu 5/19:00 amMXP - STL

2 stops21h 36mDelta

Mon 5/51:46 pmSTL - MXP

2 stops13h 39mDelta

Deal found 4/23

$831

Thu 5/16:30 amLIN - STL

2 stops15h 30mAir France

Mon 5/54:05 pmSTL - LIN

2 stops14h 50mAir France

Deal found 4/23

$834

Thu 5/17:00 amLIN - STL

2 stops15h 47mUnited Airlines

Mon 5/53:43 pmSTL - LIN

2 stops13h 37mUnited Airlines

Deal found 4/23

$969

Thu 5/112:45 pmLIN - STL

1 stop31h 45mLufthansa

Tue 5/65:29 pmSTL - LIN

2 stops21h 36mLufthansa

Deal found 4/23

$987

Thu 5/15:50 amMXP - STL

2 stops21h 08mMultiple Airlines

Mon 5/52:30 pmSTL - MXP

2 stops19h 00mMultiple Airlines

Deal found 4/23

$1,075

Thu 5/112:15 pmMXP - STL

1 stop14h 43mUnited Airlines

Tue 5/68:00 amSTL - MXP

2 stops16h 30mUnited Airlines

Deal found 4/23

$771

Fri 5/26:40 amFLR - STL

1 stop13h 50mLufthansa

Wed 5/285:27 pmSTL - FLR

2 stops16h 18mLufthansa

Deal found 4/23

$986

Fri 5/26:40 amFLR - STL

1 stop13h 50mMultiple Airlines

Thu 5/297:30 amSTL - FLR

2 stops19h 10mMultiple Airlines

Deal found 4/23

$990

Sat 5/36:40 amFLR - STL

2 stops20h 18mUnited Airlines

Sat 5/315:27 pmSTL - FLR

2 stops16h 23mUnited Airlines

Deal found 4/23

$762

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 April 24, 2025.

Mon 5/511:20 pmFCO - STL

3 stops55h 46mMultiple Airlines

Deal found 4/23

$433

Thu 5/1512:10 pmVCE - STL

2 stops18h 41mAer Lingus

Deal found 4/23

$568

Sun 5/1111:20 amLIN - STL

2 stops17h 55mAer Lingus

Deal found 4/23

$571

Wed 5/77:30 amFCO - STL

2 stops21h 22mAer Lingus

Deal found 4/23

$584

Thu 6/1910:45 amMXP - STL

2 stops43h 00mTurkish Airlines

Deal found 4/23

$694

Thu 5/1512:15 pmVCE - STL

1 stop15h 43mBritish Airways

Deal found 4/23

$713

Sun 9/711:05 amFCO - STL

1 stop16h 18mBritish Airways

Deal found 4/22

$718

Mon 5/57:00 amFCO - STL

2 stops38h 47mTurkish Airlines

Deal found 4/23

$724

Sat 10/187:00 pmFLR - STL

3 stops43h 49mMultiple Airlines

Deal found 4/23

$749

Wed 5/77:00 amFCO - STL

1 stop13h 30mLufthansa

Deal found 4/23

$777

Tue 6/171:20 pmMXP - STL

1 stop13h 59mBritish Airways

Deal found 4/23

$790

Sat 6/218:10 pmMXP - STL

2 stops26h 20mMultiple Airlines

Deal found 4/23

$794

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

BolognaSt. Louis

BLQ - STL

BLQSTL

Bologna Guglielmo Marconi

Fri 5/9

6:05 am-7:58 pm

2 stops20h 53m

Lambert-St Louis

Tue 5/13

1:30 pm-9:55 am

2 stops13h 25m

$752

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Tue 5/6

6:40 am-7:58 pm

2 stops20h 18m

Lambert-St Louis

Mon 6/2

5:27 pm-4:45 pm

2 stops16h 18m

$762

BolognaSt. Louis

BLQ - STL

BLQSTL

Bologna Guglielmo Marconi

Fri 5/9

6:05 am-1:30 pm

1 stop14h 25m

Lambert-St Louis

Tue 5/13

8:25 am-11:30 pm

2 stops32h 05m

$769

RomeSt. Louis

FCO - STL

FCOSTL

Rome Fiumicino

Thu 9/18

7:10 am-7:57 pm

2 stops19h 47m

Lambert-St Louis

Wed 9/24

1:30 pm-9:15 am

1 stop12h 45m

$775

BolognaSt. Louis

BLQ - STL

BLQSTL

Bologna Guglielmo Marconi

Fri 5/9

6:05 am-12:36 pm

2 stops37h 31m

Lambert-St Louis

Tue 5/13

1:30 pm-11:30 pm

2 stops27h 00m

$782

VeniceSt. Louis

VCE - STL

VCESTL

Venice Marco Polo

Sat 6/7

10:35 am-7:58 pm

2 stops16h 23m

Lambert-St Louis

Sat 6/14

7:30 am-9:50 am

2 stops19h 20m

$784

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Fri 5/9

6:40 am-7:58 pm

2 stops20h 18m

Lambert-St Louis

Thu 5/29

7:30 am-9:40 am

2 stops19h 10m

$785

RomeSt. Louis

FCO - STL

FCOSTL

Rome Fiumicino

Wed 5/7

11:30 am-7:58 pm

1 stop15h 28m

Lambert-St Louis

Mon 5/19

9:40 am-7:55 am

1 stop15h 15m

$785

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Fri 5/9

6:40 am-1:30 pm

1 stop13h 50m

Lambert-St Louis

Thu 5/29

1:00 pm-6:15 pm

2 stops22h 15m

$789

RomeSt. Louis

FCO - STL

FCOSTL

Rome Fiumicino

Wed 5/7

6:30 am-8:49 pm

2 stops21h 19m

Lambert-St Louis

Mon 5/19

6:05 pm-4:35 pm

2 stops15h 30m

$802

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 52 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.

Rainfall in St. Louis 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

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 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

7,920 reviews

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

7,920 reviews

Delta

8.0

Very good

7,920 reviews

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

1,333 reviews

Delta

8.0

Very good

7,920 reviews

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

1,272 reviews

Delta

8.0

Very good

7,920 reviews

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

Air France

7.4

Good

1,442 reviews

Delta

8.0

Very good

7,920 reviews

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

8,685 reviews

Delta

8.0

Very good

7,920 reviews

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

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 $568 on Aer Lingus. Other airlines that offer cheap prices include Turkish Airlines from $694 and British Airways from $713 one-way.
What are the most popular routes from Italy to St. Louis?
Most travelers choose Venice Marco Polo - Lambert-St Louis, Florence Peretola - Lambert-St Louis or Rome Fiumicino - 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

Fenton

Maryland Heights

Fairview Heights

Collinsville

Wentzville

Eureka

St. Peters

Festus

Glencoe

Alton

Farmington

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$433+ 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 5/5. 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

2. Select your favorite providers

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 April 24, 2025.

Most accurate provider

Most trusted provider

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 April 24, 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 April 24, 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 April 24, 2025.

Rainfall in St. Louis by month

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

Temperature in St. Louis by month

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

Reviews of airlines servicing St. Louis

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.

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?

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 Italy?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 April 24, 2025.