What is the cheapest airline that flies from Lambert-St Louis to Italy?

Air Canada, United Airlines, and Iberia are the most popular carriers operating from Lambert-St Louis to Italy

What airlines fly to Italy?

American Airlines, United Airlines and Lufthansa are the top three most popular airlines that fly to Italy from St. Louis according to our data. American Airlines is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Italy. Keep in mind that there are 8 different airlines that fly to Italy on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Lambert-St Louis Airport to Italy?

Prices for flights from Lambert-St Louis Airport to Italy are refreshed on a daily basis.

How many operators does momondo search for flights from Lambert-St Louis Airport to Italy?

The number of operators available for flights from Lambert-St Louis Airport to Italy is 8 as of July 2025.

How old do you have to be to fly from Lambert-St Louis Airport to Italy?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Italy.

What documentation or ID do you need to fly to Italy?

The travel and health documents required for your trip to Italy can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Italy. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$237 Cheap Flights from St. Louis to Italy in 2025

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Find the cheapest flights from St. Louis to Italy

Round-trip

One-way

Last minute

Cheap round-trip flights

4:05 pm - 8:55 amSTL-FCO

57h 50m2 stops

12:50 pm - 10:32 pmFCO-STL

40h 42m2 stops

$471Air Canada

Find Deal

vie., nov. 21 - vie., dic. 5

10:30 am - 7:45 amSTL-FCO

14h 15m1 stop

12:50 pm - 11:20 amFCO-STL

29h 30m2 stops

$483United Airlines

Find Deal

lun., dic. 1 - mié., dic. 10

6:00 am - 6:05 amSTL-FCO

18h 05m1 stop

10:15 am - 6:02 pmFCO-STL

14h 47m1 stop

$506Delta

Find Deal

mar., oct. 28 - mié., nov. 12

7:20 am - 6:05 amSTL-FCO

16h 45m2 stops

12:00 pm - 9:35 amFCO-STL

28h 35m2 stops

$511Delta

Find Deal

mar., oct. 28 - mar., nov. 11

10:36 am - 11:20 amSTL-FCO

17h 44m1 stop

10:00 am - 11:39 pmFCO-STL

20h 39m1 stop

$531British Airways

Find Deal

mié., oct. 15 - mié., oct. 22

12:24 pm - 7:30 amSTL-MXP

12h 06m1 stop

7:00 am - 1:55 pmMXP-STL

13h 55m1 stop

$544Lufthansa

Find Deal

mié., dic. 3 - dom., dic. 7

4:50 pm - 12:40 pmSTL-FCO

13h 50m1 stop

7:10 pm - 10:47 pmFCO-STL

34h 37m2 stops

$553Lufthansa

Find Deal

mié., oct. 29 - lun., nov. 10

10:36 am - 11:20 amSTL-FCO

17h 44m1 stop

8:30 pm - 4:23 pmFCO-STL

26h 53m2 stops

$560British Airways

Find Deal

lun., oct. 13 - lun., oct. 20

4:54 pm - 3:00 pmSTL-LIN

15h 06m2 stops

7:50 am - 7:21 pmLIN-STL

18h 31m2 stops

$611American Airlines

Find Deal

dom., ago. 10 - mar., ago. 26

4:19 pm - 1:00 pmSTL-NAP

13h 41m1 stop

12:00 pm - 8:47 pmNAP-STL

15h 47m1 stop

$648American Airlines

Find Deal

mar., ago. 12 - mar., ago. 26

Scandinavian Airlines flights from St. Louis to Italy

Our best Scandinavian Airlines deals on St. Louis to Italy flight tickets

Scandinavian Airlines

Sep 22

STL3:36 pmLambert-St Louis

20h 09m

2 stops

NAP6:45 pmNaples

Oct 2

NAP7:35 pmNaples

32h 40m

2 stops

STL9:15 pmLambert-St Louis

$655

Find similar

Scandinavian Airlines

Jul 11

STL3:41 pmLambert-St Louis

21h 44m

2 stops

FLR8:25 pmFlorence Peretola

Jul 18

FLR8:20 pmFlorence Peretola

34h 33m

2 stops

STL11:53 pmLambert-St Louis

$1,698

Find similar

American Airlines flights from St. Louis to Italy

Our best American Airlines deals on St. Louis to Italy flight tickets

American Airlines

Aug 10

STL4:54 pmLambert-St Louis

15h 06m

2 stops

LIN3:00 pmMilan Linate

Aug 26

LIN7:50 amMilan Linate

18h 31m

2 stops

STL7:21 pmLambert-St Louis

$611

Find similar

American Airlines

Aug 12

STL4:19 pmLambert-St Louis

13h 41m

1 stop

NAP1:00 pmNaples

Aug 26

NAP12:00 pmNaples

15h 47m

1 stop

STL8:47 pmLambert-St Louis

$648

Find similar

American Airlines

Sep 24

STL2:11 pmLambert-St Louis

15h 19m

2 stops

LIN12:30 pmMilan Linate

Oct 4

LIN11:00 amMilan Linate

17h 53m

2 stops

STL9:53 pmLambert-St Louis

$665

Find similar

How to get the cheapest flight ticket from St. Louis to Italy

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Italy?

The cheapest month to fly to Italy from St. Louis is in February. Flight prices, which tend to average around $737, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Italy from St. Louis during November instead. Flights to Italy in November, while not as cheap as those in February, still average around $746.

What is the cheapest day to depart on your flight to Italy?

According to our data, Wednesday is the cheapest day to fly to Italy from St. Louis. The lowest ticket price found for a Wednesday departure recently was $1,109. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from St. Louis to Italy for around $1,335.

What is the cheapest time of day to depart on your flight to Italy?

Our data shows that the cheapest St. Louis to Italy flights are usually those with departure times in the afternoon. Our users have found flights to Italy in the afternoon for as low as $1,209. In contrast, the most expensive time of day to depart to Italy is in the evening when prices are around $1,328.

How far in advance should I book a flight to Italy?

You are more likely to see cheaper flights to Italy from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Italy for around $1,061 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Italy from St. Louis for as low as $851 on momondo.

Can stopping save me money on St. Louis to Italy flights?

You could potentially save up to 21% on your flight if you consider stops on a St. Louis to Italy flight.

Cheap St. Louis to Italy flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Italy

Best Price Found	$237
Fastest flight time	11h 07m
Direct flights	None
Airports in Italy	8 airports

The best one-way flight to Italy from St. Louis in the past 72 hours is $237. The best round-trip flight deal from St. Louis to Italy found on momondo in the last 72 hours is $471.

The fastest flight from St. Louis to Italy takes 11h 07m

There are no direct flights from St. Louis to Italy. Popular non-direct routes for this connection are Lambert-St Louis Airport - Venice Marco Polo Airport, Lambert-St Louis Airport - Rome Fiumicino Airport and Lambert-St Louis Airport - Milan Malpensa Airport.

There are 8 airports near Italy: Milan Linate (LIN), Catania Fontanarossa (CTA), Rome Fiumicino (FCO), Milan Malpensa (MXP), Bologna Guglielmo Marconi (BLQ), Venice Marco Polo (VCE), Rome Ciampino (CIA), Naples (NAP)

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When did momondo last update prices for flights from Lambert-St Louis Airport to Italy?
Prices for flights from Lambert-St Louis Airport to Italy are refreshed on a daily basis.
How many operators does momondo search for flights from Lambert-St Louis Airport to Italy?
The number of operators available for flights from Lambert-St Louis Airport to Italy is 8 as of July 2025.
How old do you have to be to fly from Lambert-St Louis Airport to Italy?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Italy.
What documentation or ID do you need to fly to Italy?
The travel and health documents required for your trip to Italy can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Italy. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from St. Louis to Italy

Compare and see reviews for airlines that fly from St. Louis to Italy with momondo

Airline	Rating	Free Cancellation	Price
KLM	PriceFrom $573	Free Cancellation	Rating 7.8 1,372 reviews	Search KLM flights
British Airways	PriceFrom $586	Free Cancellation	Rating 6.6 7,109 reviews	Search British Airways flights
Delta	PriceFrom $670	Free Cancellation	Rating 8.0 7,952 reviews	Search Delta flights
Lufthansa	PriceFrom $675	Free Cancellation	Rating 6.8 7,199 reviews	Search Lufthansa flights
United Airlines	PriceFrom $687	Free Cancellation	Rating 7.4 8,846 reviews	Search United Airlines flights
American Airlines	PriceFrom $713	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Iberia	PriceFrom $739	Free Cancellation	Rating 7.0 2,826 reviews	Search Iberia flights
Air Canada	PriceFrom $779	Free Cancellation	Rating 7.1 9,692 reviews	Search Air Canada flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Italy?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to Italy. momondo saves you time and could save you money on your trip.

Can I find flights from St. Louis to Italy with flexible booking policies on momondo?

Flights from St. Louis to Italy with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from St. Louis to Italy?

Once all potential St. Louis to Italy flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from St. Louis to Italy right now. Can momondo alert me if prices change?

Yes. momondo can track prices for St. Louis to Italy flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.