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

Lufthansa, United Airlines, and KLM can get you from St. Louis to Italy in just under 13h 08m. Your travel time can differ by up to 19h 07m. 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 ($265), United Airlines ($322), and Air Canada ($366).

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.

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).

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

Most travelers choose Lambert-St Louis - Rome Fiumicino, Lambert-St Louis - Naples or Lambert-St Louis - Milan Malpensa when deciding on the best route from St. Louis to Italy.

What are the most popular airlines that fly from St. Louis to Italy?

United Airlines, American Airlines and Delta are the most popular airlines when flying from St. Louis to Italy.

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.

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.

$258+ Flights from St. Louis to Italy

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1. Tell us where you want to go

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 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 December 23, 2025.

Sun 12/286:35 pmSTL - VCE

2 stops21h 10mLufthansa

Sun 1/117:00 pmVCE - STL

2 stops34h 58mLufthansa

Deal found 12/20

$863

Sat 12/276:35 pmSTL - VCE

2 stops21h 10mLufthansa

Wed 1/72:50 pmVCE - STL

2 stops15h 08mLufthansa

Deal found 12/23

$947

Thu 12/2512:29 pmSTL - NAP

2 stops27h 21mMultiple Airlines

Mon 12/292:15 pmNAP - STL

2 stops33h 12mMultiple Airlines

Deal found 12/22

$998

Tue 12/3012:44 pmSTL - FCO

1 stop12h 11mLufthansa

Wed 1/147:05 amFCO - STL

1 stop13h 50mLufthansa

Deal found 12/21

$1,155

Tue 12/301:05 pmSTL - FCO

1 stop12h 25mMultiple Airlines

Wed 1/147:05 amFCO - STL

1 stop13h 50mMultiple Airlines

Deal found 12/23

$1,181

Thu 12/259:08 amSTL - FCO

2 stops27h 02mBritish Airways

Thu 1/83:45 pmFCO - STL

2 stops37h 59mBritish Airways

Deal found 12/22

$1,436

Tue 12/235:59 pmSTL - FLR

2 stops13h 26mMultiple Airlines

Thu 12/256:40 amFLR - STL

2 stops16h 48mMultiple Airlines

Deal found 12/19

$1,450

Sun 12/284:05 pmSTL - VCE

2 stops15h 20mMultiple Airlines

Sun 1/1110:45 amVCE - STL

3 stops19h 13mMultiple Airlines

Deal found 12/20

$1,495

Thu 12/2510:04 amSTL - FCO

1 stop14h 51mKLM

Thu 1/812:40 pmFCO - STL

1 stop17h 59mKLM

Deal found 12/22

$1,716

Sun 12/286:35 pmSTL - NAP

2 stops15h 50mLufthansa

Wed 12/316:35 amNAP - STL

2 stops24h 22mLufthansa

Deal found 12/19

$1,747

Thu 12/251:05 pmSTL - FCO

2 stops21h 45mLufthansa

Sat 12/277:05 amFCO - STL

2 stops16h 22mLufthansa

Deal found 12/21

$1,889

Thu 12/251:05 pmSTL - FLR

2 stops26h 35mLufthansa

Sat 12/2710:25 amFLR - STL

2 stops20h 08mLufthansa

Deal found 12/21

$2,048

Best flights from St. Louis to Italy
Discover carefully curated flight deals from St. Louis to Italy that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 23, 2025.

Wed 2/254:05 pmSTL - MXP

2 stops15h 15mMultiple Airlines

Wed 3/46:55 amMXP - STL

1 stop14h 00mMultiple Airlines

Deal found 12/22

$469

Tue 1/2011:22 amSTL - MXP

1 stop13h 08mLufthansa

Tue 1/276:55 amMXP - STL

2 stops24h 04mLufthansa

Deal found 12/21

$473

Wed 2/46:40 pmSTL - MXP

2 stops32h 15mUnited Airlines

Wed 2/111:05 pmMXP - STL

2 stops39h 35mUnited Airlines

Deal found 12/21

$474

Tue 2/39:59 amSTL - MXP

1 stop16h 06mKLM

Tue 2/1011:05 amMXP - STL

1 stop36h 02mKLM

Deal found 12/20

$482

Thu 3/195:00 amSTL - MXP

2 stops21h 55mAir Canada

Tue 3/3112:20 pmMXP - STL

2 stops34h 04mAir Canada

Deal found 12/21

$490

Fri 2/202:24 pmSTL - MXP

2 stops15h 06mBritish Airways

Sat 2/287:15 pmMXP - STL

2 stops29h 47mBritish Airways

Deal found 12/22

$492

Tue 3/176:32 amSTL - FCO

1 stop18h 23mDelta

Thu 3/2611:40 amFCO - STL

1 stop15h 26mDelta

Deal found 12/21

$507

Thu 3/192:00 pmSTL - LIN

2 stops17h 25mAmerican Airlines

Tue 3/3111:10 amLIN - STL

2 stops19h 12mAmerican Airlines

Deal found 12/20

$509

Fri 1/2311:05 amSTL - NAP

2 stops28h 20mIberia

Tue 1/2710:25 pmNAP - STL

2 stops31h 19mIberia

Deal found 12/20

$920

Wed 1/216:40 pmSTL - VCE

2 stops21h 05mLufthansa

Wed 1/286:55 amVCE - STL

1 stop14h 00mLufthansa

Deal found 12/22

$473

Tue 2/33:11 pmSTL - MXP

2 stops18h 29mUnited Airlines

Tue 2/101:05 pmMXP - STL

2 stops30h 24mUnited Airlines

Deal found 12/20

$479

Wed 2/44:05 pmSTL - BLQ

2 stops15h 10mMultiple Airlines

Wed 2/1110:15 amBLQ - STL

2 stops36h 14mMultiple Airlines

Deal found 12/21

$479

Mon 2/92:54 pmSTL - MXP

2 stops21h 56mBritish Airways

Tue 2/1711:45 amMXP - STL

2 stops17h 24mBritish Airways

Deal found 12/20

$492

Sun 2/19:59 amSTL - NAP

2 stops19h 26mKLM

Sun 2/811:35 amNAP - STL

2 stops28h 18mKLM

Deal found 12/21

$503

Wed 1/214:05 pmSTL - VCE

2 stops15h 05mAir Canada

Wed 1/2810:45 amVCE - STL

3 stops19h 13mAir Canada

Deal found 12/22

$513

Wed 2/256:55 pmSTL - LIN

2 stops16h 55mLufthansa

Wed 3/46:10 amLIN - STL

1 stop14h 45mLufthansa

Deal found 12/22

$474

Wed 2/44:05 pmSTL - CTA

2 stops33h 00mMultiple Airlines

Wed 2/1112:25 pmCTA - STL

2 stops34h 04mMultiple Airlines

Deal found 12/21

$480

Sat 2/217:41 amSTL - FLR

2 stops23h 24mUnited Airlines

Sun 3/16:30 amFLR - STL

1 stop14h 25mUnited Airlines

Deal found 12/22

$491

Fri 2/206:33 pmSTL - LIN

2 stops18h 07mBritish Airways

Sat 2/288:30 pmLIN - STL

2 stops28h 32mBritish Airways

Deal found 12/22

$495

Sun 3/16:55 pmSTL - FLR

2 stops14h 35mLufthansa

Mon 3/96:30 amFLR - STL

2 stops23h 21mLufthansa

Deal found 12/19

$480

Wed 2/44:05 pmSTL - NAP

2 stops19h 10mMultiple Airlines

Wed 2/119:50 amNAP - STL

2 stops36h 39mMultiple Airlines

Deal found 12/21

$486

Thu 3/192:00 pmSTL - LIN

2 stops17h 25mBritish Airways

Tue 3/317:25 amLIN - STL

2 stops17h 36mBritish Airways

Deal found 12/21

$495

Mon 3/165:59 pmSTL - FCO

1 stop30h 56mDelta

Wed 4/19:45 amFCO - STL

1 stop21h 13mDelta

Deal found 12/21

$601

Wed 2/46:40 pmSTL - BLQ

2 stops39h 20mUnited Airlines

Sun 2/86:00 amBLQ - STL

2 stops24h 59mUnited Airlines

Deal found 12/21

$499

Wed 1/216:40 pmSTL - FCO

2 stops21h 20mLufthansa

Wed 1/287:05 amFCO - STL

1 stop13h 50mLufthansa

Deal found 12/22

$482

Sun 2/86:40 pmSTL - MXP

2 stops19h 05mMultiple Airlines

Tue 2/1711:35 amMXP - STL

2 stops34h 54mMultiple Airlines

Deal found 12/20

$488

Thu 2/59:33 amSTL - LIN

2 stops20h 52mBritish Airways

Thu 2/1212:40 pmLIN - STL

2 stops17h 48mBritish Airways

Deal found 12/22

$495

Wed 1/288:05 amSTL - VCE

2 stops21h 40mUnited Airlines

Sun 2/16:45 amVCE - STL

2 stops39h 44mUnited Airlines

Deal found 12/20

$499

Tue 2/31:00 pmSTL - FCO

1 stop14h 30mKLM

Sat 2/1412:40 pmFCO - STL

1 stop17h 56mKLM

Deal found 12/22

$604

Mon 1/1912:44 pmSTL - VCE

2 stops16h 36mLufthansa

Mon 1/266:55 amVCE - STL

2 stops24h 04mLufthansa

Deal found 12/22

$482

Last-minute flights from St. Louis to Italy
Discover last-minute flight deals from St. Louis to Italy. Data last updated December 23, 2025 and is based on user searches.

Wed 1/146:40 pmSTL - LIN

2 stops17h 10mLufthansa

Sun 1/256:15 amLIN - STL

1 stop14h 40mLufthansa

Deal found 12/22

$496

Sun 1/181:15 pmSTL - FCO

2 stops16h 10mLufthansa

Sun 1/257:05 amFCO - STL

2 stops22h 53mLufthansa

Deal found 12/21

$491

Mon 1/194:05 pmSTL - FCO

1 stop11h 50mMultiple Airlines

Mon 1/2610:30 amFCO - STL

1 stop20h 29mMultiple Airlines

Deal found 12/20

$505

Tue 1/2011:22 amSTL - MXP

1 stop13h 08mLufthansa

Tue 1/279:45 amMXP - STL

1 stop21h 14mLufthansa

Deal found 12/21

$471

Tue 1/2012:44 pmSTL - FCO

1 stop12h 46mLufthansa

Tue 1/276:45 pmFCO - STL

1 stop26h 10mLufthansa

Deal found 12/21

$473

Tue 1/206:40 pmSTL - LIN

2 stops17h 10mLufthansa

Tue 1/275:00 pmLIN - STL

2 stops27h 55mLufthansa

Deal found 12/21

$483

Tue 1/2012:44 pmSTL - FCO

2 stops21h 26mMultiple Airlines

Tue 1/277:05 amFCO - STL

2 stops22h 53mMultiple Airlines

Deal found 12/21

$497

Wed 1/216:40 pmSTL - VCE

2 stops21h 05mLufthansa

Wed 1/286:55 amVCE - STL

1 stop14h 00mLufthansa

Deal found 12/22

$473

Wed 1/216:40 pmSTL - FCO

2 stops21h 20mLufthansa

Wed 1/287:05 amFCO - STL

1 stop13h 50mLufthansa

Deal found 12/22

$482

Wed 1/288:05 amSTL - VCE

2 stops21h 40mUnited Airlines

Sun 2/16:45 amVCE - STL

2 stops39h 44mUnited Airlines

Deal found 12/20

$499

Wed 1/2811:22 amSTL - FCO

1 stop13h 33mUnited Airlines

Sun 2/17:05 amFCO - STL

2 stops39h 24mUnited Airlines

Deal found 12/22

$501

Fri 1/303:50 pmSTL - FLR

1 stop14h 45mUnited Airlines

Tue 2/36:30 amFLR - STL

2 stops39h 45mUnited Airlines

Deal found 12/21

$504

One-way flights from St. Louis to Italy
Search for one-way flight options from St. Louis to Italy. Find affordable one-way fares based on user searches. Data last updated December 23, 2025.

Sat 3/282:25 pmSTL - LIN

2 stops17h 35mBritish Airways

Deal found 12/20

$258

Wed 5/209:15 amSTL - MXP

2 stops28h 35mBritish Airways

Deal found 12/22

$267

Thu 5/216:31 amSTL - MXP

1 stop21h 49mMultiple Airlines

Deal found 12/22

$273

Sat 3/284:05 pmSTL - MXP

2 stops41h 35mAir Canada

Deal found 12/20

$278

Sat 4/44:05 pmSTL - LIN

2 stops36h 55mUnited Airlines

Deal found 12/20

$290

Sat 4/44:05 pmSTL - MXP

2 stops56h 45mMultiple Airlines

Deal found 12/20

$311

Mon 3/92:09 pmSTL - FCO

3 stops45h 41mMultiple Airlines

Deal found 12/21

$315

Sat 4/2511:14 amSTL - VCE

2 stops21h 21mBritish Airways

Deal found 12/22

$317

Wed 5/610:00 pmSTL - FCO

2 stops18h 55mMultiple Airlines

Deal found 12/21

$322

Sat 4/256:38 amSTL - VCE

1 stop20h 17mAmerican Airlines

Deal found 12/22

$328

Wed 5/201:00 pmSTL - MXP

1 stop14h 20mUnited Airlines

Deal found 12/22

$343

Thu 5/216:31 amSTL - MXP

2 stops32h 04mAer Lingus

Deal found 12/22

$351

Find flight deals from St. Louis to Italy

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$469 (Mytrip)
One-way from	$258 (oojo)
Popular in	June
Cheapest in	November
Average price	$820

Provider with most accurate pricing for Lambert-St Louis-Rome (ROM) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Lambert-St Louis-Rome (ROM) flights.

Search Deals

From Lambert-St Louis to Italy

Search Deals

One-way flight from Lambert-St Louis to Italy

Search Deals

Highest demand for flights based on searches. 25% potential increase in price ($343 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($53 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Wed 2/25

4:05 pm-2:20 pm

2 stops15h 15m

Milan Malpensa

Wed 3/4

6:55 am-1:55 pm

1 stop14h 00m

$469

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Tue 1/20

11:22 am-7:30 am

1 stop13h 08m

Milan Malpensa

Tue 1/27

6:55 am-11:59 pm

2 stops24h 04m

$473

St. LouisVenice

STL - VCE

STLVCE

Lambert-St Louis

Wed 1/21

6:40 pm-10:45 pm

2 stops21h 05m

Venice Marco Polo

Wed 1/28

6:55 am-1:55 pm

1 stop14h 00m

$473

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Wed 2/4

6:40 pm-9:55 am

2 stops32h 15m

Milan Malpensa

Wed 2/11

1:05 pm-9:40 pm

2 stops39h 35m

$474

St. LouisMilan

STL - LIN

STLLIN

Lambert-St Louis

Wed 2/25

6:55 pm-6:50 pm

2 stops16h 55m

Milan Linate

Wed 3/4

6:10 am-1:55 pm

1 stop14h 45m

$474

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Tue 2/3

3:11 pm-4:40 pm

2 stops18h 29m

Milan Malpensa

Tue 2/10

1:05 pm-12:29 pm

2 stops30h 24m

$479

St. LouisBologna

STL - BLQ

STLBLQ

Lambert-St Louis

Wed 2/4

4:05 pm-2:15 pm

2 stops15h 10m

Bologna Guglielmo Marconi

Wed 2/11

10:15 am-3:29 pm

2 stops36h 14m

$479

St. LouisCatania

STL - CTA

STLCTA

Lambert-St Louis

Wed 2/4

4:05 pm-8:05 am

2 stops33h 00m

Catania Fontanarossa

Wed 2/11

12:25 pm-3:29 pm

2 stops34h 04m

$480

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

Sun 3/1

6:55 pm-4:30 pm

2 stops14h 35m

Florence Peretola

Mon 3/9

6:30 am-11:51 pm

2 stops23h 21m

$480

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Tue 2/3

9:59 am-9:05 am

1 stop16h 06m

Milan Malpensa

Tue 2/10

11:05 am-4:07 pm

1 stop36h 02m

$482

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 60 results

...

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 $468). Flying from St. Louis to Italy in June is currently the most expensive (average of $1,009). 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?

One of the essential ways to save on airfare from St. Louis to Italy is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 28% on airfare.

Reviews of airlines servicing Italy

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

7.9

Good

8,015 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Delta

7.9

Good

8,015 reviews

Delta

7.9

Good

8,015 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

United Airlines

7.4

Good

9,106 reviews

Delta

7.9

Good

8,015 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

American Airlines

7.2

Good

11,051 reviews

Delta

7.9

Good

8,015 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Air Canada

7.1

Good

10,551 reviews

Delta

7.9

Good

8,015 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Lufthansa

6.8

Okay

7,649 reviews

Delta

7.9

Good

8,015 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Related info for your journey

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?
Lufthansa, United Airlines, and KLM can get you from St. Louis to Italy in just under 13h 08m. Your travel time can differ by up to 19h 07m. 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 ($265), United Airlines ($322), and Air Canada ($366).
What are the most popular routes from St. Louis to Italy?
Most travelers choose Lambert-St Louis - Rome Fiumicino, Lambert-St Louis - Naples 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 $468). Flying from St. Louis to Italy in June is currently the most expensive (average of $1,009). 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

Browse thousands of different options on Cheapflights for your next trip

Top 8 airlines flying from St. Louis to Italy

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest$472	Average$827	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$485	Average$1,083	FlexibilityNo cancel fee	On-time69%
Lufthansa	Cheapest$493	Average$1,254	FlexibilityNo cancel fee	On-time76%
Delta	Cheapest$498	Average$1,132	FlexibilityNo cancel fee	On-timeN/A
Iberia	Cheapest$536	Average$1,273	FlexibilityNo cancel fee	On-time77%
KLM	Cheapest$555	Average$1,003	FlexibilityNo cancel fee	On-time75%
American Airlines	Cheapest$594	Average$1,054	FlexibilityNo cancel fee	On-time71%
Air Canada	Cheapest$705	Average$1,202	FlexibilityNo cancel fee	On-time67%

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$258+ 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 3/28. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Italy with Cheapflights

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Cheap flight deals from St. Louis to Italy

Cheapest flights from St. Louis to ItalyExplore 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 December 23, 2025.

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 December 23, 2025.

Find 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 December 23, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

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.

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?

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 December 23, 2025.

Reviews of airlines servicing Italy

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.

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.

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Top 8 airlines flying from St. Louis to Italy

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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 December 23, 2025.