Italy

$330+ Cheap flights from St. Louis (STL) to Italy

STL — FCO
Nov 29 — Dec 61
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Cheap flight deals from St. Louis to Italy

Cheapest flights from St. Louis to Italy

Wed 12/91:18 pm -
1 stop11h 27m
Wed 12/161:15 pm -
2 stops40h 44m
Deal found 10/25$656
Tue 11/1010:53 am -
1 stop13h 52m
Tue 1/1211:15 am -
2 stops34h 13m
Deal found 10/25$661
Wed 11/186:00 am -
2 stops19h 55m
Thu 11/2611:15 am -
2 stops31h 58m
Deal found 10/25$664
Tue 12/84:05 pm -
1 stop11h 50m
Tue 12/1511:15 am -
2 stops39h 11m
Deal found 10/25$665
Sun 11/89:59 am -
1 stop17h 56m
Tue 11/249:45 am -
1 stop14h 14m
Deal found 10/26$666
Sat 11/76:50 pm -
2 stops31h 05m
Fri 11/201:15 pm -
2 stops33h 28m
Deal found 10/27$669
Tue 11/104:05 pm -
1 stop11h 50m
Tue 1/1211:15 am -
2 stops37h 35m
Deal found 10/29$674
Fri 11/66:50 pm -
2 stops55h 05m
Fri 11/201:15 pm -
2 stops28h 22m
Deal found 10/27$675
Mon 11/91:40 pm -
1 stop15h 15m
Wed 11/189:45 am -
1 stop18h 55m
Deal found 10/26$676
Mon 11/235:00 pm -
1 stop12h 20m
Sun 12/62:20 pm -
1 stop26h 29m
Deal found 10/28$703
Sat 11/141:00 pm -
2 stops21h 45m
Thu 11/2612:10 pm -
2 stops34h 16m
Deal found 10/26$704
Wed 12/94:05 pm -
2 stops15h 10m
Wed 12/166:55 am -
1 stop13h 50m
Deal found 10/25$704

Find flight deals from St. Louis to Italy

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$656
(United Airlines)

One-way from

$330
(oojo)

Popular in

June

Cheapest in

February

Average price

$1,236
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 ($311 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($58 potential savings vs. average RT price).
Average for round-trip flights in October 2026

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisRome

STL Lambert-St Louis - FCO Rome Fiumicino

STLFCO

Lambert-St Louis

Sun 2/7

1:46 pm-4:55 pm

2 stops20h 09m

Rome Fiumicino

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$341

St. LouisVenice

STL Lambert-St Louis - VCE Venice Marco Polo

STLVCE

Lambert-St Louis

Wed 3/24

10:30 am-9:25 pm

2 stops28h 55m

Venice Marco Polo

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$348

St. LouisRome

STL Lambert-St Louis - FCO Rome Fiumicino

STLFCO

Lambert-St Louis

Sat 2/6

8:30 am-8:55 am

2 stops41h 25m

Rome Fiumicino

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$349

St. LouisVenice

STL Lambert-St Louis - VCE Venice Marco Polo

STLVCE

Lambert-St Louis

Wed 3/24

4:40 pm-1:35 pm

1 stop14h 55m

Venice Marco Polo

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$356
Quickest round-trip

St. LouisRome

STL Lambert-St Louis - FCO Rome Fiumicino

STLFCO

Lambert-St Louis

Sat 2/6

1:15 pm-8:30 am

1 stop12h 15m

Rome Fiumicino

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$381

St. LouisMilan

STL Lambert-St Louis - LIN Milan Linate

STLLIN

Lambert-St Louis

Sat 1/9

6:20 pm-10:35 pm

3 stops45h 15m

Milan Linate

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$412

St. LouisFlorence

STL Lambert-St Louis - FLR Florence Peretola

STLFLR

Lambert-St Louis

Mon 4/5

4:10 pm-12:35 pm

2 stops13h 25m

Florence Peretola

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$423

St. LouisFlorence

STL Lambert-St Louis - FLR Florence Peretola

STLFLR

Lambert-St Louis

Mon 4/5

3:15 pm-2:10 pm

2 stops15h 55m

Florence Peretola

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$433

St. LouisMilan

STL Lambert-St Louis - MXP Milan Malpensa

STLMXP

Lambert-St Louis

Sat 1/9

8:45 pm-11:55 am

2 stops32h 10m

Milan Malpensa

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$438

St. LouisRome

STL Lambert-St Louis - FCO Rome Fiumicino

STLFCO

Lambert-St Louis

Wed 12/9

7:27 am-10:35 am

2 stops20h 08m

Rome Fiumicino

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$439

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 60 resultsSorted by cheapest first
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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

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 $677). Flying from St. Louis to Italy in June is currently the most expensive (average of $1,435). 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.

How far ahead should I book a flight from St. Louis to Italy?

The best time to book flights from St. Louis to Italy is 26 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Italy

Get a feel of what it's like to fly with Delta,United Airlines, andAir Canada 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.

Crew

8.5

Comfort

7.8

Food

7.2

Entertainment

7.8

Boarding

8.1

Overall

7.8

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Crew

8.5

Comfort

7.8

Food

7.2

Entertainment

7.8

Boarding

8.1

Overall

7.8

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Crew

8.5

Comfort

7.8

Food

7.2

Entertainment

7.8

Boarding

8.1

Overall

7.8

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Crew

8.5

Comfort

7.8

Food

7.2

Entertainment

7.8

Boarding

8.1

Overall

7.8

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Crew

8.5

Comfort

7.8

Food

7.2

Entertainment

7.8

Boarding

8.1

Overall

7.8

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Crew

8.5

Comfort

7.8

Food

7.2

Entertainment

7.8

Boarding

8.1

Overall

7.8

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

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?

    United Airlines, Delta, and Lufthansa can get you from St. Louis to Italy in just under 17h 46m. Your travel time can differ by up to 21h 34m. St. Louis and Italy are separated by a distance of 4781 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 ($268), and Delta ($375).

  • 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 $677). Flying from St. Louis to Italy in June is currently the most expensive (average of $1,435). 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 7 airlines flying from St. Louis to Italy

AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$472Average$1,169FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$500Average$1,080FlexibilityNo cancel feeOn-time76%
KLMCheapest$506Average$931FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$513Average$1,129FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$538Average$1,050FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$552Average$1,038FlexibilityNo cancel feeOn-time67%
DeltaCheapest$596Average$1,210FlexibilityNo cancel feeOn-timeN/A

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