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Cheap flights from St. Louis to Milan from $231

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 3/21. 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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0 bags

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Find the cheapest flights from St. Louis to Milan

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
12:44 pm - 10:45 am
STL
-
MXP
15h 01m2 stops
Lufthansa Logo
6:55 am - 1:55 pm
MXP
-
STL
14h 00m1 stop
$439Lufthansa
Fri, Jan 23 - Fri, Jan 30
Lufthansa Logo
12:44 pm - 10:45 am
STL
-
MXP
15h 01m2 stops
Lufthansa Logo
6:55 am - 1:55 pm
MXP
-
STL
14h 00m1 stop
$442Lufthansa
Fri, Jan 23 - Fri, Jan 30
Lufthansa Logo
3:50 pm - 10:45 am
STL
-
MXP
11h 55m1 stop
Lufthansa Logo
6:55 am - 1:55 pm
MXP
-
STL
14h 00m1 stop
$454Lufthansa
Fri, Jan 23 - Fri, Jan 30
Lufthansa Logo
3:50 pm - 10:45 am
STL
-
MXP
11h 55m1 stop
Lufthansa Logo
6:55 am - 1:55 pm
MXP
-
STL
14h 00m1 stop
$458Lufthansa
Fri, Jan 23 - Fri, Jan 30
Air Canada Logo
4:05 pm - 9:55 am
STL
-
MXP
34h 50m2 stops
Air Canada Logo
6:05 am - 3:29 pm
MXP
-
STL
40h 24m2 stops
$464Air Canada
Mon, Jan 19 - Mon, Feb 2
Multiple Airlines Logo
3:50 pm - 10:45 am
STL
-
MXP
11h 55m1 stop
Multiple Airlines Logo
6:55 am - 1:55 pm
MXP
-
STL
14h 00m1 stop
$469Multiple Airlines
Fri, Jan 23 - Fri, Jan 30
Air Canada Logo
6:30 am - 8:55 am
STL
-
MXP
20h 25m2 stops
Air Canada Logo
12:15 pm - 12:25 pm
MXP
-
STL
31h 10m2 stops
$474Air Canada
Thu, Mar 19 - Tue, Mar 31
Air Canada Logo
4:05 pm - 2:05 pm
STL
-
MXP
15h 00m2 stops
Air Canada Logo
1:05 pm - 3:29 pm
MXP
-
STL
33h 24m2 stops
$476Air Canada
Fri, Jan 23 - Fri, Jan 30
United Airlines Logo
8:45 am - 4:40 pm
STL
-
MXP
24h 55m2 stops
United Airlines Logo
1:05 pm - 5:43 pm
MXP
-
STL
35h 38m2 stops
$478United Airlines
Fri, Jan 23 - Fri, Jan 30
Multiple Airlines Logo
4:05 pm - 2:05 pm
STL
-
MXP
15h 00m2 stops
Multiple Airlines Logo
6:55 am - 1:55 pm
MXP
-
STL
14h 00m1 stop
$479Multiple Airlines
Fri, Jan 23 - Fri, Jan 30

Lufthansa flights from St. Louis to Milan Malpensa Airport

Our best Lufthansa deals on St. Louis to Milan Malpensa Airport flight tickets
Lufthansa
Jan 23
STL12:44 pmLambert-St Louis
15h 01m
2 stops
MXP10:45 amMilan Malpensa
Jan 30
MXP6:55 amMilan Malpensa
14h 00m
1 stop
STL1:55 pmLambert-St Louis
$439
Find similar
Lufthansa
Jan 23
STL12:44 pmLambert-St Louis
15h 01m
2 stops
MXP10:45 amMilan Malpensa
Jan 30
MXP6:55 amMilan Malpensa
14h 00m
1 stop
STL1:55 pmLambert-St Louis
$442
Find similar
Lufthansa
Jan 23
STL3:50 pmLambert-St Louis
11h 55m
1 stop
MXP10:45 amMilan Malpensa
Jan 30
MXP6:55 amMilan Malpensa
14h 00m
1 stop
STL1:55 pmLambert-St Louis
$454
Find similar

United Airlines flights from St. Louis to Milan Malpensa Airport

Our best United Airlines deals on St. Louis to Milan Malpensa Airport flight tickets
United Airlines
Jan 23
STL8:45 amLambert-St Louis
24h 55m
2 stops
MXP4:40 pmMilan Malpensa
Jan 30
MXP1:05 pmMilan Malpensa
35h 38m
2 stops
STL5:43 pmLambert-St Louis
$478
Find similar
United Airlines
Jan 19
STL7:00 amLambert-St Louis
17h 30m
1 stop
MXP7:30 amMilan Malpensa
Feb 2
MXP9:45 amMilan Malpensa
21h 14m
1 stop
STL11:59 pmLambert-St Louis
$481
Find similar
United Airlines
Jan 9
STL3:50 pmLambert-St Louis
11h 55m
1 stop
MXP10:45 amMilan Malpensa
Jan 17
MXP9:45 amMilan Malpensa
14h 40m
1 stop
STL5:25 pmLambert-St Louis
$506
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Milan Malpensa Airport 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, momondo users made 832,500 searches. Data last updated December 10, 2025.
Use the filters below to find and compare flights from St. Louis to Milan Malpensa Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Fri 1/23

12:44 pm-10:45 am

2 stops15h 01m

Milan Malpensa

Fri 1/30

6:55 am-1:55 pm

1 stop14h 00m

$439

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Fri 1/23

12:44 pm-10:45 am

2 stops15h 01m

Milan Malpensa

Fri 1/30

6:55 am-1:55 pm

1 stop14h 00m

$442

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Fri 1/23

3:50 pm-10:45 am

1 stop11h 55m

Milan Malpensa

Fri 1/30

6:55 am-1:55 pm

1 stop14h 00m

$454

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Fri 1/23

3:50 pm-10:45 am

1 stop11h 55m

Milan Malpensa

Fri 1/30

6:55 am-1:55 pm

1 stop14h 00m

$458

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Mon 1/19

4:05 pm-9:55 am

2 stops34h 50m

Milan Malpensa

Mon 2/2

6:05 am-3:29 pm

2 stops40h 24m

$464

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Fri 1/23

3:50 pm-10:45 am

1 stop11h 55m

Milan Malpensa

Fri 1/30

6:55 am-1:55 pm

1 stop14h 00m

$469

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Thu 3/19

6:30 am-8:55 am

2 stops20h 25m

Milan Malpensa

Tue 3/31

12:15 pm-12:25 pm

2 stops31h 10m

$474

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Fri 1/23

4:05 pm-2:05 pm

2 stops15h 00m

Milan Malpensa

Fri 1/30

1:05 pm-3:29 pm

2 stops33h 24m

$476

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Fri 1/23

8:45 am-4:40 pm

2 stops24h 55m

Milan Malpensa

Fri 1/30

1:05 pm-5:43 pm

2 stops35h 38m

$478

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Fri 1/23

4:05 pm-2:05 pm

2 stops15h 00m

Milan Malpensa

Fri 1/30

6:55 am-1:55 pm

1 stop14h 00m

$479

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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2

See travel insights to Milan from

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

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 cheapest month to fly to Milan Malpensa Airport?

In general, March is the cheapest month to fly from St. Louis to Milan Malpensa Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $530. If you don’t want to visit Milan Malpensa Airport in March, then you should wait until February to fly from St. Louis, when ticket prices are also cheap, with an average price of $533.

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

Our data shows that Tuesday is the least expensive day to fly to Milan Malpensa Airport. Tickets to fly out on this day can be as low as $934. On the other hand, Friday is the most expensive day to depart from St. Louis because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,642.

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

According to our data, the cheapest time of day to fly to Milan Malpensa Airport is in the afternoon. momondo users have found flights departing from St. Louis to Milan Malpensa Airport in the afternoon for as low as $1,200. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $1,307.

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

You could potentially save up to 32% on your flight if you consider stops on a St. Louis to Milan Malpensa Airport flight.

When to book flights from St. Louis to Milan Malpensa Airport

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

Cheap St. Louis to Milan Malpensa Airport (STL to MXP) flight deals and tips

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

Fastest flight time

11h 55m

Direct flights

None
The fastest flight from St. Louis to Milan Malpensa Airport takes 11h 55m
There are no direct flights from St. Louis to Milan Malpensa Airport. There are no popular flight routes from St. Louis to Milan Malpensa Airport.
Search flight deals

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

    Lambert-St Louis and Milan Malpensa are 4751.0 mi apart from one another. By plane, this route typically takes 11h 55m.

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

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

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

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

    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 Malpensa Airport.

  • What documentation or ID do you need to fly to Milan Malpensa Airport?

    The travel and health documents you'll need for your trip to Milan Malpensa Airport 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 Malpensa Airport. 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 Malpensa Airport?

Best airlines flying from St. Louis to Milan Malpensa Airport

Compare and see reviews for airlines that fly from St. Louis to Milan Malpensa Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $497Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights
American AirlinesPriceFrom $619Free CancellationRating
7.2
11,048 reviews
Search American Airlines flights
DeltaPriceFrom $638Free CancellationRating
7.9
8,007 reviews
Search Delta flights

Traveling to a place near Milan?

Book flights to Milan if you plan to visit one of these locations
Bellagio
Varenna
Menaggio
Brescia
Stresa
Breuil-Cervinia
Assago
Levanto
Monza
Livigno
Bellano
Lecco
Domodossola
Bormio
Crema
Rho
Cernobbio
Moltrasio
Saronno
Baveno

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Milan from St. Louis.

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

Yes. All flights to Milan from St. Louis on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between St. Louis and Milan by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Milan from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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