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

American Airlines, Lufthansa, and United Airlines are the most popular carriers operating from Lambert-St Louis to Milan

Which airport is the most popular layover for flights between St. Louis and Milan?

Frankfurt am Main (FRA) was the most common stop: 80% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest travel time from St. Louis to Milan?

Flights connecting via Frankfurt am Main (FRA) have the shortest average one-way travel time: 11h 15m.

Which layover airport has the shortest connection time from St. Louis to Milan?

Frankfurt am Main (FRA) has the shortest average layover time for this route: 2h 02m.

Which layover airport offers the lowest fares from St. Louis to Milan?

Flights via Frankfurt am Main (FRA) offer the lowest average round-trip price of $962.

What airlines fly to Milan?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Milan from St. Louis according to our data. United Airlines is the first choice among our users, with 61% of people opting to fly with this airline when traveling to Milan. Keep in mind that there are 3 different airlines that fly to Milan 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 Milan?

Prices for flights from Lambert-St Louis Airport to Milan are updated daily.

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

The number of operators available for flights from Lambert-St Louis Airport to Milan is 3 as of November 2025.

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

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 Milan.

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

The travel and health documents you'll need for your trip to Milan may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Milan. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$237 Cheap Flights from St. Louis to Milan in 2025/26

Q: What is the typical price of a round-trip flight between St. Louis and Milan?

Prices are currently low for flights on this route. Typical prices usually range from $588 to $713. The lowest price recently found on this route was $490.

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9:59 am - 9:05 amSTL-MXP

16h 06m1 stop

11:05 am - 11:40 pmMXP-STL

19h 35m1 stop

$490KLM

Find Deal

lun., feb. 9 - mar., feb. 17

3:45 pm - 2:55 pmSTL-MXP

16h 10m2 stops

11:05 am - 11:40 pmMXP-STL

19h 35m1 stop

$494Multiple Airlines

Find Deal

lun., feb. 9 - mar., feb. 17

12:00 pm - 9:05 amSTL-MXP

14h 05m1 stop

11:35 am - 11:38 pmMXP-STL

19h 03m2 stops

$500Delta

Find Deal

lun., feb. 9 - mar., feb. 17

9:30 am - 9:05 amSTL-MXP

16h 35m1 stop

11:35 am - 9:02 pmMXP-STL

16h 27m2 stops

$501Delta

Find Deal

mié., dic. 3 - dom., dic. 7

4:05 pm - 9:55 amSTL-MXP

34h 50m2 stops

1:05 pm - 9:00 pmMXP-STL

38h 55m3 stops

$515Air Canada

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lun., feb. 9 - mar., feb. 17

4:05 pm - 1:45 pmSTL-MXP

14h 40m2 stops

1:05 pm - 9:00 pmMXP-STL

38h 55m3 stops

$524Air Canada

Find Deal

lun., feb. 9 - mar., feb. 17

3:15 pm - 2:05 pmSTL-LIN

15h 50m2 stops

6:10 am - 9:00 pmLIN-STL

21h 50m2 stops

$554United Airlines

Find Deal

sáb., feb. 14 - sáb., feb. 21

6:30 pm - 8:55 amSTL-MXP

32h 25m2 stops

12:15 pm - 3:21 pmMXP-STL

34h 06m2 stops

$571United Airlines

Find Deal

dom., mar. 22 - dom., may. 3

3:50 pm - 10:05 amSTL-LIN

11h 15m1 stop

6:55 am - 1:30 pmLIN-STL

13h 35m1 stop

$574Lufthansa

Find Deal

dom., ene. 18 - vie., may. 8

6:30 pm - 6:50 pmSTL-LIN

18h 20m2 stops

6:55 am - 1:30 pmLIN-STL

13h 35m1 stop

$585Lufthansa

Find Deal

dom., mar. 22 - dom., may. 3

Air Canada flights from St. Louis to Milan

Our best Air Canada deals on St. Louis to Milan flight tickets

Air Canada

Feb 9

STL4:05 pmLambert-St Louis

34h 50m

2 stops

MXP9:55 amMilan Malpensa

Feb 17

MXP1:05 pmMilan Malpensa

38h 55m

3 stops

STL9:00 pmLambert-St Louis

$515

Find similar

Air Canada

Feb 9

STL4:05 pmLambert-St Louis

14h 40m

2 stops

MXP1:45 pmMilan Malpensa

Feb 17

MXP1:05 pmMilan Malpensa

38h 55m

3 stops

STL9:00 pmLambert-St Louis

$524

Find similar

Air Canada

Mar 24

STL8:00 amLambert-St Louis

18h 55m

2 stops

MXP8:55 amMilan Malpensa

Mar 29

MXP12:15 pmMilan Malpensa

34h 09m

2 stops

STL3:24 pmLambert-St Louis

$588

Find similar

KLM flights from St. Louis to Milan

Our best KLM deals on St. Louis to Milan flight tickets

KLM

Feb 9

STL9:59 amLambert-St Louis

16h 06m

1 stop

MXP9:05 amMilan Malpensa

Feb 17

MXP11:05 amMilan Malpensa

19h 35m

1 stop

STL11:40 pmLambert-St Louis

$490

Find similar

KLM

Nov 6

STL3:59 pmLambert-St Louis

34h 06m

1 stop

MXP9:05 amMilan Malpensa

Nov 18

MXP12:00 pmMilan Malpensa

35h 33m

1 stop

STL4:33 pmLambert-St Louis

$679

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

lun. 2/9

9:59 am-9:05 am

1 stop16h 06m

Milan Malpensa

mar. 2/17

11:05 am-11:40 pm

1 stop19h 35m

$490

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

lun. 2/9

3:45 pm-2:55 pm

2 stops16h 10m

Milan Malpensa

mar. 2/17

11:05 am-11:40 pm

1 stop19h 35m

$494

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

lun. 2/9

12:00 pm-9:05 am

1 stop14h 05m

Milan Malpensa

mar. 2/17

11:35 am-11:38 pm

2 stops19h 03m

$500

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

mié. 12/3

9:30 am-9:05 am

1 stop16h 35m

Milan Malpensa

dom. 12/7

11:35 am-9:02 pm

2 stops16h 27m

$501

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

lun. 2/9

4:05 pm-9:55 am

2 stops34h 50m

Milan Malpensa

mar. 2/17

1:05 pm-9:00 pm

3 stops38h 55m

$515

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

lun. 2/9

4:05 pm-1:45 pm

2 stops14h 40m

Milan Malpensa

mar. 2/17

1:05 pm-9:00 pm

3 stops38h 55m

$524

St. LouisMilan

STL - LIN

STLLIN

Lambert-St Louis

sáb. 2/14

3:15 pm-2:05 pm

2 stops15h 50m

Milan Linate

sáb. 2/21

6:10 am-9:00 pm

2 stops21h 50m

$554

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

dom. 3/22

6:30 pm-8:55 am

2 stops32h 25m

Milan Malpensa

dom. 5/3

12:15 pm-3:21 pm

2 stops34h 06m

$571

St. LouisMilan

STL - LIN

STLLIN

Lambert-St Louis

dom. 1/18

3:50 pm-10:05 am

1 stop11h 15m

Milan Linate

vie. 5/8

6:55 am-1:30 pm

1 stop13h 35m

$574

St. LouisMilan

STL - LIN

STLLIN

Lambert-St Louis

dom. 3/22

6:30 pm-6:50 pm

2 stops18h 20m

Milan Linate

dom. 5/3

6:55 am-1:30 pm

1 stop13h 35m

$585

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

Layovers

What is the typical price of a round-trip flight between St. Louis and Milan?

What is the cheapest month to fly to Milan?

The month of October is, on average, the cheapest month to fly to Milan from St. Louis, with most prices found around $595. The month of February is another great option to travel to Milan, with average flight prices from St. Louis averaging around $654.

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

Our data shows that Sunday is the least expensive day to fly to Milan. Tickets to fly out on this day can be as low as $1,023. The most expensive day to fly to Milan is Saturday, with ticket prices averaging around $1,327.

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

In the afternoon is the cheapest time of day to fly from St. Louis to Milan when you can find flight prices for as low as $1,209. Flying to Milan in the afternoon is an ideal time because this is during off-peak travel hours. Flights to Milan are more costly at noon, with an average ticket price of $1,349. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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

You could potentially save up to 33% on your flight if you consider stops on a St. Louis to Milan flight.

When to book flights from St. Louis to Milan

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Milan according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap St. Louis to Milan (STL to MIL) flight deals and tips

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

Direct flights	None

There are no direct flights from St. Louis to Milan. There are no popular flight routes from St. Louis to Milan.

Search flight deals

How far is Lambert-St Louis to Milan by plane?
There are 4775.8 mi between Lambert-St Louis and Milan. 11h 15m is a normal flight duration for this route.
When did momondo last update prices for flights from Lambert-St Louis Airport to Milan?
Prices for flights from Lambert-St Louis Airport to Milan are updated daily.
How many operators does momondo search for flights from Lambert-St Louis Airport to Milan?
The number of operators available for flights from Lambert-St Louis Airport to Milan is 3 as of November 2025.
How old do you have to be to fly from Lambert-St Louis Airport to Milan?
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 Milan.
What documentation or ID do you need to fly to Milan?
The travel and health documents you'll need for your trip to Milan may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Milan. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from St. Louis to Milan?
momondo data reveals that the most frequently booked airline on the route from St. Louis to Milan is United Airlines, representing 34% of all bookings. The subsequent popular airlines are Lufthansa at 20%, Delta at 15%, and Air Canada at 10%.

Best airlines flying from St. Louis to Milan

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $497	Free Cancellation	Rating 7.4 8,997 reviews	Search United Airlines flights
American Airlines	PriceFrom $619	Free Cancellation	Rating 7.2 11,038 reviews	Search American Airlines flights
Delta	PriceFrom $638	Free Cancellation	Rating 7.9 8,002 reviews	Search Delta flights

Bellagio

Varenna

Menaggio

Brescia

Stresa

Monza

Assago

Levanto

Livigno

Domodossola

Bellano

Lecco

Rho

Bormio

Crema

Cernobbio

Moltrasio

Saronno

Novara

Baveno

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to Milan for you.

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

All flight searches from St. Louis to Milan on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Milan.

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

Yes. momondo can track prices for St. Louis to Milan 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.

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Fly into one of these airports located in Milan

Milan Linate Airport

Milan Malpensa Airport

Cheap flights from St. Louis to Milan from $237

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Milan departing on 3/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

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Filter for what you want

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Cheap round-trip flights

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Air Canada flights from St. Louis to Milan

Our best Air Canada deals on St. Louis to Milan flight tickets

KLM flights from St. Louis to Milan

Our best KLM deals on St. Louis to Milan flight tickets

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

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

What is the typical price of a round-trip flight between St. Louis and Milan?

What is the cheapest month to fly to Milan?

The month of October is, on average, the cheapest month to fly to Milan from St. Louis, with most prices found around $595. The month of February is another great option to travel to Milan, with average flight prices from St. Louis averaging around $654.

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

Our data shows that Sunday is the least expensive day to fly to Milan. Tickets to fly out on this day can be as low as $1,023. The most expensive day to fly to Milan is Saturday, with ticket prices averaging around $1,327.

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

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

You could potentially save up to 33% on your flight if you consider stops on a St. Louis to Milan flight.

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

American Airlines, Lufthansa, and United Airlines are the most popular carriers operating from Lambert-St Louis to Milan

What airlines fly to Milan?

Which airport is the most popular layover for flights between St. Louis and Milan?

Frankfurt am Main (FRA) was the most common stop: 80% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from St. Louis to Milan?

Flights via Frankfurt am Main (FRA) offer the lowest average round-trip price of $962.

Which layover airport has the shortest travel time from St. Louis to Milan?

Flights connecting via Frankfurt am Main (FRA) have the shortest average one-way travel time: 11h 15m.

Which layover airport has the shortest connection time from St. Louis to Milan?

Frankfurt am Main (FRA) has the shortest average layover time for this route: 2h 02m.

When to book flights from St. Louis to Milan

Cheap St. Louis to Milan (STL to MIL) flight deals and tips

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

Direct flights

How far is Lambert-St Louis to Milan by plane?

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

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

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

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

What is the most popular airline from St. Louis to Milan?

Best airlines flying from St. Louis to Milan

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

Traveling to a place near Milan?

Why use momondo?

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

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

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

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

An easier way to manage your Milan trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Italy

Fly into one of these airports located in Milan

Airports listed have a maximum distance of 25.0 mi from Milan