$399 Find Cheap Flights from Italy to St. Louis - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to St. Louis departing on 9/23. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap Flights from Italy to St. Louis

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Italy to St. Louis that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Italy to St. Louis

Wed, Sep 23 - Sun, Sep 27
British Airways Logo
1:30 pm - 11:43 pm
FCO
-
STL
17h 13m
1 stop
British Airways Logo
9:40 pm - 5:05 pm
STL
-
FCO
12h 25m
1 stop
$877British Airways
Sat, Nov 14 - Mon, Nov 30
Iberia Logo
7:00 pm - 8:58 am
FCO
-
STL
20h 58m
2 stops
Iberia Logo
10:45 am - 9:00 am
STL
-
FCO
15h 15m
1 stop
$886Iberia
Sun, Oct 25 - Mon, Oct 26
Multiple Airlines Logo
10:50 am - 9:08 pm
FCO
-
STL
16h 18m
1 stop
Multiple Airlines Logo
7:10 pm - 7:35 pm
STL
-
FCO
18h 25m
2 stops
$895Multiple Airlines
Sat, Nov 14 - Mon, Nov 30
Multiple Airlines Logo
8:20 pm - 8:58 am
FCO
-
STL
19h 38m
2 stops
Multiple Airlines Logo
7:04 pm - 11:00 pm
STL
-
FCO
20h 56m
2 stops
$896Multiple Airlines
Thu, Dec 3 - Sun, Dec 6
United Airlines Logo
6:25 am - 6:06 pm
LIN
-
STL
18h 41m
2 stops
United Airlines Logo
3:15 pm - 4:55 pm
STL
-
LIN
18h 40m
2 stops
$928United Airlines
Thu, Dec 3 - Sun, Dec 6
United Airlines Logo
6:25 am - 2:30 pm
LIN
-
STL
15h 05m
2 stops
United Airlines Logo
3:40 pm - 2:05 pm
STL
-
LIN
15h 25m
1 stop
$929United Airlines
Sat, Aug 1 - Fri, Dec 4
American Airlines Logo
2:20 pm - 11:32 pm
MXP
-
STL
16h 12m
1 stop
American Airlines Logo
11:50 am - 12:30 pm
STL
-
MXP
17h 40m
2 stops
$1,029American Airlines
Wed, Jul 29 - Mon, Dec 7
Delta Logo
2:15 pm - 8:08 am
MXP
-
STL
24h 53m
1 stop
Delta Logo
5:45 pm - 2:55 pm
STL
-
MXP
14h 10m
2 stops
$1,036Delta
Wed, Jul 29 - Sun, Dec 13
Delta Logo
2:15 pm - 8:08 am
MXP
-
STL
24h 53m
1 stop
Delta Logo
6:30 pm - 5:25 pm
STL
-
MXP
15h 55m
2 stops
$1,038Delta
Sat, Aug 1 - Wed, Dec 2
American Airlines Logo
2:20 pm - 11:32 pm
MXP
-
STL
16h 12m
1 stop
American Airlines Logo
3:29 pm - 8:05 am
STL
-
MXP
33h 36m
1 stop
$1,039American Airlines
Booking Insights

KAYAK's insights & trends for flights to St. Louis

Get data-powered insights and trends for flights to St. Louis to help you find the cheapest flights, the best time to fly and much more.

How long is the flight to St. Louis?

The duration of your flight to St. Louis depends on your departure and arrival airports. Obviously, any flights that include a layover will also be longer. The most popular routes to St. Louis on KAYAK are from Rome, which takes 14h 20m, Milan, which takes 17h 34m, and Venice, which takes 19h 05m.

How many direct flights to St. Louis are there each day?

There are around 507 direct flights from within Italy to St. Louis every day. Most flights depart in the afternoon, with 32% of flights departing in the afternoon.

Good to know

Low seasonFebruary
Cheapest flight$399
Best time to beat the crowds with an average 5% drop in price.
Most popular time to fly with an average 1% increase in price.
Flight from Milan to St. Louis

FAQs - booking St. Louis flights

  • How far is Lambert-St Louis Airport from central St. Louis?

    There are 13 miles between St. Louis city center and Lambert-St Louis Airport.

  • What is the name of St. Louis’s airport?

    When flying to St. Louis, you'll arrive at Lambert-St Louis Airport (STL). The airport is also known as Lambert Field, Lambert-St Louis, St. Louis Lambert, or St. Louis Lambert Intl.

  • How does KAYAK find such low prices on flights to St. Louis?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights to St. Louis.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket to St. Louis?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights to St. Louis?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight to St. Louis?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • How many direct flights to St. Louis are there each week?

    Each week there are around 3,548 direct flights from within Italy to St. Louis. The most common day for departures is Sunday, with 17% of flights taking off on this day.

Top tips for finding cheap flights to St. Louis

  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest St. Louis flight deals.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
O'Fallon
Wentzville
Farmington
Eureka
Litchfield
Grafton
Shrewsbury
Glencoe

Everything you need to know for your flight to St. Louis

Information on the airport you'll fly into in St. Louis