Italy

$304+ 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 3/21. Fares are subject to change and may not be available on all flights or dates of travel.
STL — NAP
Mar 9 — Mar 161
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Italy with Cheapflights

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”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 March 4, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$617
(United)

One-way from

$304
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,066
Provider with most accurate pricing for Lambert-St Louis-Rome (ROM) flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-Rome (ROM) flights.
From Lambert-St Louis to Italy
One-way flight from Lambert-St Louis to Italy
Highest demand for flights based on searches. 22% potential increase in price ($332 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($45 potential savings vs. average RT price).
Average for round-trip flights in March 2025

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 March 4, 2025.

This United deal was found by Cheapflights users on 3/3. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/308:25 amSTL - FCO
1 stop16h 50mUnited Airlines
Tue 4/811:30 amFCO - STL
3 stops35h 17mUnited Airlines
Deal found 3/3$617
This KLM deal was found by Cheapflights users on 3/3. 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.
Tue 4/11:06 pmSTL - VCE
1 stop15h 49mKLM
Tue 4/811:20 amVCE - STL
1 stop19h 10mKLM
Deal found 3/3$621
This American Airlines deal was found by Cheapflights users on 3/3. 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.
Tue 4/16:32 pmSTL - VCE
2 stops16h 13mAmerican Airlines
Tue 4/812:15 pmVCE - STL
1 stop15h 43mAmerican Airlines
Deal found 3/3$623
This United Airlines deal was found by Cheapflights users on 3/3. 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.
Tue 4/110:40 amSTL - VCE
2 stops15h 25mUnited Airlines
Tue 4/811:05 amVCE - STL
2 stops29h 51mUnited Airlines
Deal found 3/3$625
This Air Canada deal was found by Cheapflights users on 3/3. 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 11/114:15 pmSTL - FCO
2 stops34h 45mAir Canada
Tue 11/2512:15 pmFCO - STL
2 stops31h 05mAir Canada
Deal found 3/3$626
This United Airlines deal was found by Cheapflights users on 3/3. 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 4/29:39 amSTL - MXP
2 stops17h 21mUnited Airlines
Tue 4/812:15 pmMXP - STL
2 stops34h 32mUnited Airlines
Deal found 3/3$627
This Air Canada deal was found by Cheapflights users on 3/3. 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 11/44:15 pmSTL - FCO
2 stops34h 45mMultiple Airlines
Tue 11/189:40 amFCO - STL
2 stops36h 46mMultiple Airlines
Deal found 3/3$639
This Air Canada deal was found by Cheapflights users on 3/4. 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.
Sun 3/233:50 pmSTL - MXP
2 stops35h 30mMultiple Airlines
Mon 3/312:35 pmMXP - STL
2 stops31h 14mMultiple Airlines
Deal found 3/4$654
This Finnair deal was found by Cheapflights users on 3/3. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/31:55 pmSTL - FCO
2 stops21h 00mFinnair
Mon 11/176:40 pmFCO - STL
2 stops30h 37mFinnair
Deal found 3/3$656
This United deal was found by Cheapflights users on 3/3. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/254:29 pmSTL - NAP
2 stops42h 56mUnited Airlines
Tue 4/16:40 amNAP - STL
2 stops39h 09mUnited Airlines
Deal found 3/3$656
This Mytrip deal was found by Cheapflights users on 3/2. 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.
Wed 3/56:30 amSTL - MXP
2 stops20h 50mAir Canada
Tue 3/1111:20 amMXP - STL
3 stops30h 52mAir Canada
Deal found 3/2$661
This Kiwi.com deal was found by Cheapflights users on 3/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/23:30 pmSTL - LIN
1 stop11h 30mLufthansa
Tue 4/87:00 amLIN - STL
2 stops15h 47mLufthansa
Deal found 3/3$675

Find flights from St. Louis to Italy within your budget

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 March 4, 2025.

Fly from

St. Louis

Fly to

Italy

Route

Depart

Return

Price

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Sun 3/30

8:25 am-8:15 am

1 stop16h 50m

Rome Fiumicino

Tue 4/8

11:30 am-3:47 pm

3 stops35h 17m

$617

St. LouisVenice

STL - VCE

STLVCE

Lambert-St Louis

Tue 4/1

1:06 pm-11:55 am

1 stop15h 49m

Venice Marco Polo

Tue 4/8

11:20 am-11:30 pm

1 stop19h 10m

$621

St. LouisVenice

STL - VCE

STLVCE

Lambert-St Louis

Tue 4/1

6:32 pm-5:45 pm

2 stops16h 13m

Venice Marco Polo

Tue 4/8

12:15 pm-8:58 pm

1 stop15h 43m

$623

St. LouisVenice

STL - VCE

STLVCE

Lambert-St Louis

Tue 4/1

10:40 am-9:05 am

2 stops15h 25m

Venice Marco Polo

Tue 4/8

11:05 am-9:56 am

2 stops29h 51m

$625

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Wed 4/2

10:40 am-10:00 am

2 stops16h 20m

Milan Malpensa

Tue 4/8

12:15 pm-3:47 pm

3 stops34h 32m

$627

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Tue 4/1

10:40 am-9:15 am

2 stops39h 35m

Rome Fiumicino

Tue 4/8

12:25 pm-2:49 pm

1 stop33h 24m

$638

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Sun 3/23

3:50 pm-9:20 am

2 stops35h 30m

Milan Malpensa

Mon 3/31

2:35 pm-2:49 pm

2 stops31h 14m

$654

St. LouisNaples

STL - NAP

STLNAP

Lambert-St Louis

Tue 3/25

4:29 pm-5:25 pm

2 stops42h 56m

Naples

Tue 4/1

6:40 am-2:49 pm

2 stops39h 09m

$656

St. LouisMilan

STL - LIN

STLLIN

Lambert-St Louis

Wed 4/2

3:30 pm-10:00 am

1 stop11h 30m

Milan Linate

Tue 4/8

7:00 am-3:47 pm

2 stops15h 47m

$675

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

Thu 4/3

3:30 pm-9:45 am

2 stops35h 15m

Florence Peretola

Wed 4/9

6:40 am-2:49 pm

2 stops39h 09m

$696

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/3

Showing 1-10 of 60 results
1
2
3
...
6

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.

Travel insights for flights from St. Louis to Italy

Get recent, data-driven insights about flights from St. Louis to Italy including ideal travel times, pricing trends, and more.

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 $1,286). 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 March 4, 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 March 4, 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.
8.0
Very good

Food

7.3

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

8.0
Very good
8.0
Very good

Food

7.3

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

8.0
Very good

Food

7.3

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

8.0
Very good

Food

7.3

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

8.0
Very good

Food

7.3

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

8.0
Very good

Food

7.3

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 Scandinavian Airlines ($478), Iberia ($525), and Aer Lingus ($561).

  • What are the most popular routes 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 $1,286). 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

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

Alternative routes for St. Louis to Italy

See prices for flight routes from nearby airports that may be better suited for you.

Top 9 airlines flying from St. Louis to Italy

Discover the top 9 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 March 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$573Average$1,126FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$586Average$1,235FlexibilityNo cancel feeOn-time70%
IberiaCheapest$630Average$1,086FlexibilityNo cancel feeOn-time77%
DeltaCheapest$656Average$1,127FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$668Average$1,309FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$688Average$1,219FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$720Average$1,222FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$738Average$1,484FlexibilityNo cancel feeOn-time67%
Air FranceCheapest$861Average$1,168FlexibilityNo cancel feeOn-time77%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.