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$336+ 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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
STL — VCE
feb. 4 — feb. 111
mar. 2/4
mar. 2/11
1 adult, Economy
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Cheap flight deals from St. Louis to Italy

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Italy (IT0). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated enero 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$640
(Delta)

One-way from

$336
(Mytrip)

Popular in

June

Cheapest in

February

Average price

$966
Provider with most accurate pricing for Lambert-St Louis-Rome (ROM) flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Rome (ROM) flights.
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From Lambert-St Louis to Italy
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One-way flight from Lambert-St Louis to Italy
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Highest demand for flights based on searches. 23% potential increase in price ($359 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($44 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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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 enero 30, 2025.

This FlightHub deal was found by Cheapflights users on 1/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/103:30 pmSTL - FCO
2 stops36h 35mScandinavian Airlines
mié. 11/2611:55 amFCO - STL
2 stops42h 44mScandinavian Airlines
Deal found 1/29$611
This United Airlines deal was found by Cheapflights users on 1/28. 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.
mar. 3/1812:03 pmSTL - MXP
1 stop13h 27mUnited Airlines
mar. 3/2511:20 amMXP - STL
2 stops33h 03mUnited Airlines
Deal found 1/28$633
This Mytrip deal was found by Cheapflights users on 1/28. 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.
mar. 3/183:50 pmSTL - MXP
2 stops35h 30mAir Canada
mar. 3/2511:20 amMXP - STL
2 stops33h 03mAir Canada
Deal found 1/28$635
This KLM deal was found by Cheapflights users on 1/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/36:06 amSTL - MXP
1 stop20h 39mMultiple Airlines
mié. 3/1910:05 amMXP - STL
1 stop16h 13mMultiple Airlines
Deal found 1/30$640
This Booking.com deal was found by Cheapflights users on 1/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/183:50 pmSTL - VCE
2 stops34h 50mAir Canada
mar. 3/256:40 amVCE - STL
2 stops38h 26mAir Canada
Deal found 1/30$643
This KLM deal was found by Cheapflights users on 1/29. 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.
lun. 3/247:10 amSTL - MXP
1 stop18h 55mKLM
lun. 3/3111:40 amMXP - STL
1 stop18h 51mKLM
Deal found 1/29$653
This American Airlines deal was found by Cheapflights users on 1/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/189:28 amSTL - MXP
2 stops16h 42mAmerican Airlines
mar. 3/2510:15 amMXP - STL
2 stops18h 29mAmerican Airlines
Deal found 1/30$654
This Delta deal was found by Cheapflights users on 1/29. 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.
lun. 3/246:00 amSTL - MXP
1 stop20h 05mDelta
lun. 3/319:00 amMXP - STL
2 stops21h 31mDelta
Deal found 1/29$657
This American Airlines deal was found by Cheapflights users on 1/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/36:25 pmSTL - LIN
2 stops16h 25mAmerican Airlines
mié. 3/197:55 amLIN - STL
2 stops20h 23mAmerican Airlines
Deal found 1/30$664
This ITA Airways deal was found by Cheapflights users on 1/28. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/2212:00 pmSTL - FCO
1 stop13h 15mMultiple Airlines
mié. 11/510:15 amFCO - STL
1 stop17h 39mMultiple Airlines
Deal found 1/28$672
This Finnair deal was found by Cheapflights users on 1/30. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/2611:39 amSTL - MXP
2 stops24h 26mFinnair
lun. 3/317:05 pmMXP - STL
2 stops31h 25mFinnair
Deal found 1/30$682
This Delta deal was found by Cheapflights users on 1/30. 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.
lun. 3/241:06 pmSTL - LIN
2 stops15h 49mDelta
lun. 3/3110:50 amLIN - STL
2 stops19h 41mDelta
Deal found 1/30$686

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 enero 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

lun. 3/3

6:06 am-9:45 am

1 stop20h 39m

Milan Malpensa

mié. 3/19

10:05 am-8:18 pm

1 stop16h 13m

$640

St. LouisVenice

STL - VCE

STLVCE

Lambert-St Louis

mar. 3/18

3:50 pm-8:40 am

2 stops34h 50m

Venice Marco Polo

mar. 3/25

6:40 am-3:06 pm

2 stops38h 26m

$643

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

mar. 3/18

9:28 am-8:10 am

2 stops16h 42m

Milan Malpensa

mar. 3/25

10:15 am-10:18 pm

2 stops18h 03m

$654

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

mar. 3/18

12:03 pm-7:30 am

1 stop13h 27m

Milan Malpensa

mar. 3/25

11:20 am-2:23 pm

2 stops33h 03m

$655

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

mar. 3/18

3:50 pm-9:20 am

2 stops35h 30m

Milan Malpensa

mar. 3/25

11:20 am-2:23 pm

3 stops33h 03m

$663

St. LouisMilan

STL - LIN

STLLIN

Lambert-St Louis

lun. 3/3

6:25 pm-5:50 pm

2 stops16h 25m

Milan Linate

mié. 3/19

7:55 am-10:18 pm

2 stops20h 23m

$664

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

lun. 3/3

12:52 pm-11:40 am

2 stops15h 48m

Milan Malpensa

mié. 3/19

8:25 am-9:40 pm

2 stops19h 15m

$670

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

mié. 3/26

11:39 am-6:05 pm

2 stops24h 26m

Milan Malpensa

lun. 3/31

7:05 pm-7:30 pm

2 stops31h 25m

$682

St. LouisMilan

STL - LIN

STLLIN

Lambert-St Louis

lun. 3/24

1:06 pm-10:55 am

2 stops15h 49m

Milan Linate

lun. 3/31

10:50 am-11:31 pm

2 stops19h 41m

$686

St. LouisVenice

STL - VCE

STLVCE

Lambert-St Louis

dom. 3/2

3:50 pm-8:40 am

2 stops33h 50m

Venice Marco Polo

sáb. 3/8

8:25 pm-2:06 pm

2 stops48h 41m

$688

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/30

Showing 1-10 of 60 results
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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 $665). Flying from St. Louis to Italy in June is currently the most expensive (average of $1,361). 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 enero 30, 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 enero 30, 2025.
Read reviews from past customers who have flown Delta, KLM and Finnair 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.
Delta
8.0
Very good
8,454 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

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.

Delta
8.0
Very good
8,454 reviews
Delta
8.0
Very good
8,454 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

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.

KLM
7.8
Good
1,335 reviews
Delta
8.0
Very good
8,454 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

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.

Finnair
7.6
Good
1,285 reviews
Delta
8.0
Very good
8,454 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

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.

Air France
7.4
Good
1,475 reviews
Delta
8.0
Very good
8,454 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

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.

United Airlines
7.4
Good
8,913 reviews
Delta
8.0
Very good
8,454 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

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 ($410), United Airlines ($410), and Air Canada ($417).

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

    Most travelers choose Lambert-St Louis - Rome Fiumicino, Lambert-St Louis - Milan Malpensa or Lambert-St Louis - Milan Linate 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 $665). Flying from St. Louis to Italy in June is currently the most expensive (average of $1,361). 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

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Alternative routes for St. Louis to Italy

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from St. Louis to Italy

Discover the top 8 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 enero 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$630Average$1,026FlexibilityNo cancel feeOn-time77%
DeltaCheapest$656Average$1,228FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$668Average$1,352FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$686Average$1,234FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$687Average$1,240FlexibilityNo cancel feeOn-time69%
KLMCheapest$717Average$1,210FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$721Average$1,249FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$724Average$1,524FlexibilityNo cancel feeOn-time67%
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