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Cheap flights from St. Louis to Milan from $258

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 5/19. 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
1:15 pm - 12:35 pm
STL
-
MXP
16h 20m2 stops
Lufthansa Logo
9:45 am - 11:59 pm
MXP
-
STL
21h 14m1 stop
$429Lufthansa
Mon, Jan 19 - Mon, Feb 2
Air Canada Logo
4:05 pm - 8:55 am
STL
-
MXP
34h 50m2 stops
Air Canada Logo
12:20 pm - 9:47 pm
MXP
-
STL
40h 27m2 stops
$473Air Canada
Sun, Mar 22 - Wed, Apr 1
Air Canada Logo
6:25 am - 8:55 am
STL
-
MXP
20h 30m2 stops
Air Canada Logo
12:05 pm - 9:42 pm
MXP
-
STL
39h 37m2 stops
$474Air Canada
Mon, Mar 9 - Tue, Mar 17
Lufthansa Logo
6:40 pm - 6:50 pm
STL
-
LIN
17h 10m2 stops
Lufthansa Logo
6:15 am - 1:55 pm
LIN
-
STL
14h 40m1 stop
$474Lufthansa
Wed, Jan 14 - Sun, Jan 25
United Airlines Logo
9:57 am - 4:40 pm
STL
-
MXP
23h 43m2 stops
United Airlines Logo
1:05 pm - 2:28 pm
MXP
-
STL
32h 23m2 stops
$479United Airlines
Fri, Jan 30 - Fri, Feb 6
Multiple Airlines Logo
6:40 pm - 9:55 am
STL
-
MXP
32h 15m2 stops
Multiple Airlines Logo
6:05 am - 11:59 pm
MXP
-
STL
24h 54m2 stops
$481Multiple Airlines
Mon, Jan 19 - Mon, Feb 2
Multiple Airlines Logo
3:50 pm - 5:55 pm
STL
-
MXP
19h 05m1 stop
Multiple Airlines Logo
1:05 pm - 3:29 pm
MXP
-
STL
33h 24m2 stops
$483Multiple Airlines
Fri, Jan 30 - Fri, Feb 6
Delta Logo
9:45 am - 8:45 am
STL
-
LIN
16h 00m2 stops
Delta Logo
6:30 am - 8:43 pm
LIN
-
STL
21h 13m2 stops
$495Delta
Mon, Jan 19 - Mon, Feb 2
American Airlines Logo
2:24 pm - 11:30 am
STL
-
LIN
14h 06m2 stops
American Airlines Logo
7:35 am - 7:29 pm
LIN
-
STL
17h 54m2 stops
$502American Airlines
Wed, Mar 4 - Mon, Mar 9
United Airlines Logo
10:00 am - 11:55 am
STL
-
LIN
19h 55m2 stops
United Airlines Logo
6:10 am - 4:04 pm
LIN
-
STL
15h 54m2 stops
$506United Airlines
Sun, Mar 8 - Wed, Mar 18

Lufthansa flights from St. Louis to Milan

Our best Lufthansa deals on St. Louis to Milan flight tickets
Lufthansa
Jan 19
STL1:15 pmLambert-St Louis
16h 20m
2 stops
MXP12:35 pmMilan Malpensa
Feb 2
MXP9:45 amMilan Malpensa
21h 14m
1 stop
STL11:59 pmLambert-St Louis
$429
Find similar
Lufthansa
Jan 14
STL6:40 pmLambert-St Louis
17h 10m
2 stops
LIN6:50 pmMilan Linate
Jan 25
LIN6:15 amMilan Linate
14h 40m
1 stop
STL1:55 pmLambert-St Louis
$474
Find similar
Lufthansa
Feb 9
STL6:40 pmLambert-St Louis
19h 05m
2 stops
MXP8:45 pmMilan Malpensa
Feb 17
MXP6:05 amMilan Malpensa
22h 35m
2 stops
STL9:40 pmLambert-St Louis
$482
Find similar

Air Canada flights from St. Louis to Milan

Our best Air Canada deals on St. Louis to Milan flight tickets
Air Canada
Mar 22
STL4:05 pmLambert-St Louis
34h 50m
2 stops
MXP8:55 amMilan Malpensa
Apr 1
MXP12:20 pmMilan Malpensa
40h 27m
2 stops
STL9:47 pmLambert-St Louis
$473
Find similar
Air Canada
Mar 9
STL6:25 amLambert-St Louis
20h 30m
2 stops
MXP8:55 amMilan Malpensa
Mar 17
MXP12:05 pmMilan Malpensa
39h 37m
2 stops
STL9:42 pmLambert-St Louis
$474
Find similar
Air Canada
Mar 22
STL4:05 pmLambert-St Louis
34h 50m
2 stops
MXP8:55 amMilan Malpensa
Apr 2
MXP12:20 pmMilan Malpensa
41h 39m
3 stops
STL10:59 pmLambert-St Louis
$476
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Milan 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 18, 2025.
Use the filters below to find and compare flights from St. Louis to Milan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Mon 1/19

1:15 pm-12:35 pm

2 stops16h 20m

Milan Malpensa

Mon 2/2

9:45 am-11:59 pm

1 stop21h 14m

$429

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Sun 3/22

4:05 pm-8:55 am

2 stops34h 50m

Milan Malpensa

Wed 4/1

12:20 pm-9:47 pm

2 stops40h 27m

$473

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Mon 3/9

6:25 am-8:55 am

2 stops20h 30m

Milan Malpensa

Tue 3/17

12:05 pm-9:42 pm

2 stops39h 37m

$474

St. LouisMilan

STL - LIN

STLLIN

Lambert-St Louis

Wed 1/14

6:40 pm-6:50 pm

2 stops17h 10m

Milan Linate

Sun 1/25

6:15 am-1:55 pm

1 stop14h 40m

$474

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Fri 1/30

9:57 am-4:40 pm

2 stops23h 43m

Milan Malpensa

Fri 2/6

1:05 pm-2:28 pm

2 stops32h 23m

$479

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Mon 1/19

6:40 pm-9:55 am

2 stops32h 15m

Milan Malpensa

Mon 2/2

6:05 am-11:59 pm

2 stops24h 54m

$481

St. LouisMilan

STL - MXP

STLMXP

Lambert-St Louis

Fri 1/30

3:50 pm-5:55 pm

1 stop19h 05m

Milan Malpensa

Fri 2/6

1:05 pm-3:29 pm

2 stops33h 24m

$483

St. LouisMilan

STL - LIN

STLLIN

Lambert-St Louis

Mon 1/19

9:45 am-8:45 am

2 stops16h 00m

Milan Linate

Mon 2/2

6:30 am-8:43 pm

2 stops21h 13m

$495

St. LouisMilan

STL - LIN

STLLIN

Lambert-St Louis

Wed 3/4

2:24 pm-11:30 am

2 stops14h 06m

Milan Linate

Mon 3/9

7:35 am-7:29 pm

2 stops17h 54m

$502

St. LouisMilan

STL - LIN

STLLIN

Lambert-St Louis

Sun 3/8

10:00 am-11:55 am

2 stops19h 55m

Milan Linate

Wed 3/18

6:10 am-4:04 pm

2 stops15h 54m

$506

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Milan from

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 $588. The month of November is another great option to travel to Milan, with average flight prices from St. Louis averaging around $588.

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

Fastest flight time

13h 08m

Direct flights

None
The fastest flight from St. Louis to Milan takes 13h 08m
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. 13h 08m 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?

  • 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?

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 AirlinesPriceFrom $497Free CancellationRating
7.4
9,091 reviews
Search United Airlines flights
American AirlinesPriceFrom $619Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
DeltaPriceFrom $638Free CancellationRating
7.9
8,005 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
Monza
Assago
Levanto
Livigno
Bellano
Lecco
Domodossola
Bormio
Crema
Rho
Cernobbio
Moltrasio
Saronno
Baveno
Novara

Why use momondo?

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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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
Milan Linate Airport
Milan Malpensa Airport