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Cheap flights from St. Louis to Naples from $435

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 Naples departing on 9/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from St. Louis to Naples

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
11:37 am - 12:20 pm
STL
-
NAP
17h 43m
2 stops
United Airlines Logo
6:00 am - 1:25 pm
NAP
-
STL
14h 25m
1 stop
$707United Airlines
Wed, Apr 15 - Wed, Apr 22
United Airlines Logo
11:37 am - 12:20 pm
STL
-
NAP
17h 43m
2 stops
United Airlines Logo
6:00 am - 3:25 pm
NAP
-
STL
16h 25m
2 stops
$715United Airlines
Wed, Apr 15 - Wed, Apr 22
United Airlines Logo
11:37 am - 12:20 pm
STL
-
NAP
17h 43m
2 stops
United Airlines Logo
6:00 am - 9:13 pm
NAP
-
STL
22h 13m
2 stops
$717United Airlines
Wed, Apr 15 - Thu, Apr 23
United Airlines Logo
11:37 am - 12:20 pm
STL
-
NAP
17h 43m
2 stops
United Airlines Logo
1:15 pm - 1:25 pm
NAP
-
STL
31h 10m
1 stop
$727United Airlines
Wed, Apr 15 - Tue, Apr 21
Lufthansa Logo
5:24 pm - 7:00 am
STL
-
NAP
30h 36m
1 stop
Lufthansa Logo
1:15 pm - 11:11 pm
NAP
-
STL
16h 56m
2 stops
$765Lufthansa
Tue, Apr 14 - Thu, Apr 23
Lufthansa Logo
1:10 pm - 6:20 pm
STL
-
NAP
22h 10m
2 stops
Lufthansa Logo
6:00 am - 1:25 pm
NAP
-
STL
14h 25m
1 stop
$767Lufthansa
Tue, Apr 7 - Fri, Apr 17
Lufthansa Logo
1:10 pm - 10:35 pm
STL
-
NAP
26h 25m
2 stops
Lufthansa Logo
6:00 am - 11:11 pm
NAP
-
STL
24h 11m
2 stops
$777Lufthansa
Tue, Apr 7 - Fri, Apr 17
KLM Logo
7:03 am - 8:10 am
STL
-
NAP
18h 07m
2 stops
KLM Logo
6:05 am - 5:44 pm
NAP
-
STL
18h 39m
2 stops
$791KLM
Tue, Apr 7 - Thu, Apr 16
United Airlines Logo
11:37 am - 7:00 am
STL
-
NAP
12h 23m
1 stop
United Airlines Logo
6:00 am - 1:25 pm
NAP
-
STL
14h 25m
1 stop
$793United Airlines
Tue, Apr 7 - Fri, Apr 17
KLM Logo
5:35 pm - 3:20 pm
STL
-
NAP
14h 45m
2 stops
KLM Logo
6:05 am - 5:44 pm
NAP
-
STL
18h 39m
2 stops
$795KLM
Mon, Apr 13 - Thu, Apr 23

United Airlines flights from St. Louis to Naples

Our best United Airlines deals on St. Louis to Naples flight tickets
United Airlines
Apr 15
STL11:37 amLambert-St Louis
17h 43m
2 stops
NAP12:20 pmNaples
Apr 22
NAP6:00 amNaples
14h 25m
1 stop
STL1:25 pmLambert-St Louis
$707
United Airlines
Apr 15
STL11:37 amLambert-St Louis
17h 43m
2 stops
NAP12:20 pmNaples
Apr 22
NAP6:00 amNaples
16h 25m
2 stops
STL3:25 pmLambert-St Louis
$715
United Airlines
Apr 15
STL11:37 amLambert-St Louis
17h 43m
2 stops
NAP12:20 pmNaples
Apr 23
NAP6:00 amNaples
22h 13m
2 stops
STL9:13 pmLambert-St Louis
$717

Lufthansa flights from St. Louis to Naples

Our best Lufthansa deals on St. Louis to Naples flight tickets
Lufthansa
Apr 14
STL5:24 pmLambert-St Louis
30h 36m
1 stop
NAP7:00 amNaples
Apr 23
NAP1:15 pmNaples
16h 56m
2 stops
STL11:11 pmLambert-St Louis
$765
Lufthansa
Apr 7
STL1:10 pmLambert-St Louis
22h 10m
2 stops
NAP6:20 pmNaples
Apr 17
NAP6:00 amNaples
14h 25m
1 stop
STL1:25 pmLambert-St Louis
$767
Lufthansa
Apr 7
STL1:10 pmLambert-St Louis
26h 25m
2 stops
NAP10:35 pmNaples
Apr 17
NAP6:00 amNaples
24h 11m
2 stops
STL11:11 pmLambert-St Louis
$777

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Naples 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 March 24, 2026.
Use the filters below to find and compare flights from St. Louis to Naples that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisNaples

STL - NAP

STLNAP

Lambert-St Louis

Wed 4/15

11:37 am-12:20 pm

2 stops17h 43m

Naples

Wed 4/22

6:00 am-1:25 pm

1 stop14h 25m

$707

St. LouisNaples

STL - NAP

STLNAP

Lambert-St Louis

Wed 4/15

11:37 am-12:20 pm

2 stops17h 43m

Naples

Wed 4/22

6:00 am-3:25 pm

2 stops16h 25m

$715

St. LouisNaples

STL - NAP

STLNAP

Lambert-St Louis

Wed 4/15

11:37 am-12:20 pm

2 stops17h 43m

Naples

Thu 4/23

6:00 am-9:13 pm

2 stops22h 13m

$717

St. LouisNaples

STL - NAP

STLNAP

Lambert-St Louis

Wed 4/15

11:37 am-12:20 pm

2 stops17h 43m

Naples

Tue 4/21

1:15 pm-1:25 pm

1 stop31h 10m

$727

St. LouisNaples

STL - NAP

STLNAP

Lambert-St Louis

Tue 4/14

5:24 pm-7:00 am

1 stop30h 36m

Naples

Thu 4/23

1:15 pm-11:11 pm

2 stops16h 56m

$765

St. LouisNaples

STL - NAP

STLNAP

Lambert-St Louis

Tue 4/7

1:10 pm-6:20 pm

2 stops22h 10m

Naples

Fri 4/17

6:00 am-1:25 pm

1 stop14h 25m

$767

St. LouisNaples

STL - NAP

STLNAP

Lambert-St Louis

Tue 4/7

1:10 pm-10:35 pm

2 stops26h 25m

Naples

Fri 4/17

6:00 am-11:11 pm

2 stops24h 11m

$777

St. LouisNaples

STL - NAP

STLNAP

Lambert-St Louis

Tue 4/7

7:03 am-8:10 am

2 stops18h 07m

Naples

Thu 4/16

6:05 am-5:44 pm

2 stops18h 39m

$791
Quickest round-trip

St. LouisNaples

STL - NAP

STLNAP

Lambert-St Louis

Tue 4/7

11:37 am-7:00 am

1 stop12h 23m

Naples

Fri 4/17

6:00 am-1:25 pm

1 stop14h 25m

$793

St. LouisNaples

STL - NAP

STLNAP

Lambert-St Louis

Mon 4/13

5:35 pm-3:20 pm

2 stops14h 45m

Naples

Thu 4/23

6:05 am-5:44 pm

2 stops18h 39m

$795

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 Naples from

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

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 Naples?

The cheapest month to fly to Naples from St. Louis is in February. Flight prices, which tend to average around $507, 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 Naples from St. Louis during January instead. Flights to Naples in January, while not as cheap as those in February, still average around $518.

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

You could potentially save up to 39% on your flight if you consider stops on a St. Louis to Naples flight.

When to book flights from St. Louis to Naples

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

Cheap St. Louis to Naples (STL to NAP) flight deals and tips

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

Fastest flight time

14h 50m

Direct flights

None
The fastest flight from St. Louis to Naples takes 14h 50m
There are no direct flights from St. Louis to Naples. There are no popular flight routes from St. Louis to Naples.
Search flight deals

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

    The straight-line distance from Lambert-St Louis to Naples is 5170.7 mi. In terms of flight time, this usually takes a little over 14h 50m.

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

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Naples Airport.

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

    The travel and health documents you'll need for your trip to Naples 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 Naples 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 Naples?

Best airlines flying from St. Louis to Naples

Compare and see reviews for airlines that fly from St. Louis to Naples with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $485Free CancellationRating
7.4
9,467 reviews
Search United Airlines flights
LufthansaPriceFrom $493Free CancellationRating
6.8
7,863 reviews
Search Lufthansa flights
American AirlinesPriceFrom $559Free CancellationRating
7.1
11,492 reviews
Search American Airlines flights
British AirwaysPriceFrom $653Free CancellationRating
6.7
7,812 reviews
Search British Airways flights
Air CanadaPriceFrom $851Free CancellationRating
7.1
10,835 reviews
Search Air Canada flights

Traveling to a place near Naples?

Book flights to Naples if you plan to visit one of these locations
Amalfi
Positano
Capri
Sorrento
Praiano
Ravello
Ischia
Maiori
Sant'Agnello
Pompei
Procida
Vietri sul Mare
Anacapri
Furore
Atrani
Ercolano
Minori
Nola
Conca Dei Marini
Piano di Sorrento

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to Naples. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for St. Louis to Naples flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Naples from St. Louis. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

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