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Cheap flights from St. Louis to Naples from $309

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 10/6. 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 Naples

Cheap round-trip flights

American Airlines Logo
7:23 am - 1:00 pmSTL-NAP
22h 37m1 stop
American Airlines Logo
3:00 pm - 9:53 pmNAP-STL
13h 53m1 stop
$623American Airlines
Find Deal
Wed, Sep 17 - Wed, Sep 24
American Airlines Logo
1:21 pm - 1:00 pmSTL-NAP
16h 39m2 stops
American Airlines Logo
3:00 pm - 9:53 pmNAP-STL
13h 53m1 stop
$628American Airlines
Find Deal
Wed, Sep 17 - Wed, Sep 24
Logo
9:44 am - 10:00 pmSTL-NAP
29h 16m2 stops
Logo
6:50 am - 8:32 pmNAP-STL
20h 42m2 stops
$640
Find Deal
Wed, Sep 17 - Wed, Sep 24
Logo
7:04 pm - 5:55 pmSTL-NAP
15h 51m2 stops
Logo
6:40 am - 7:57 pmNAP-STL
20h 17m2 stops
$647
Find Deal
Tue, Sep 16 - Tue, Sep 23
American Airlines Logo
1:21 pm - 1:00 pmSTL-NAP
16h 39m2 stops
American Airlines Logo
7:40 am - 9:53 pmNAP-STL
21h 13m2 stops
$654American Airlines
Find Deal
Wed, Sep 17 - Wed, Sep 24
KLM Logo
11:04 am - 7:00 amSTL-NAP
12h 56m1 stop
KLM Logo
9:00 am - 7:05 pmNAP-STL
17h 05m1 stop
$683KLM
Find Deal
Fri, Sep 19 - Tue, Sep 23
KLM Logo
7:05 pm - 7:00 amSTL-NAP
28h 55m1 stop
KLM Logo
9:00 am - 6:02 pmNAP-STL
16h 02m1 stop
$690KLM
Find Deal
Thu, Sep 18 - Thu, Sep 25
Lufthansa Logo
6:35 pm - 6:15 pmSTL-NAP
16h 40m2 stops
Lufthansa Logo
7:05 pm - 1:55 pmNAP-STL
25h 50m1 stop
$864Lufthansa
Find Deal
Wed, Dec 24 - Thu, Jan 1
Lufthansa Logo
6:35 pm - 6:15 pmSTL-NAP
16h 40m2 stops
Lufthansa Logo
6:15 pm - 1:55 pmNAP-STL
26h 40m2 stops
$901Lufthansa
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Wed, Dec 24 - Thu, Jan 1
United Airlines Logo
1:30 pm - 9:40 amSTL-NAP
13h 10m1 stop
United Airlines Logo
11:35 am - 7:57 pmNAP-STL
15h 22m1 stop
$2,063United Airlines
Find Deal
Wed, Sep 17 - Sat, Sep 20

KLM flights from St. Louis to Naples

Our best KLM deals on St. Louis to Naples flight tickets
KLM
Sep 19
STL11:04 amLambert-St Louis
12h 56m
1 stop
NAP7:00 amNaples
Sep 23
NAP9:00 amNaples
17h 05m
1 stop
STL7:05 pmLambert-St Louis
$683
Find similar
KLM
Sep 18
STL7:05 pmLambert-St Louis
28h 55m
1 stop
NAP7:00 amNaples
Sep 25
NAP9:00 amNaples
16h 02m
1 stop
STL6:02 pmLambert-St Louis
$690
Find similar
KLM
Sep 19
STL11:04 amLambert-St Louis
12h 56m
1 stop
NAP7:00 amNaples
Sep 23
NAP6:10 amNaples
16h 55m
2 stops
STL4:05 pmLambert-St Louis
$709
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Lufthansa flights from St. Louis to Naples

Our best Lufthansa deals on St. Louis to Naples flight tickets
Lufthansa
Dec 24
STL6:35 pmLambert-St Louis
16h 40m
2 stops
NAP6:15 pmNaples
Jan 1
NAP7:05 pmNaples
25h 50m
1 stop
STL1:55 pmLambert-St Louis
$864
Find similar
Lufthansa
Dec 24
STL6:35 pmLambert-St Louis
16h 40m
2 stops
NAP6:15 pmNaples
Jan 1
NAP6:15 pmNaples
26h 40m
2 stops
STL1:55 pmLambert-St Louis
$901
Find similar
Lufthansa
Dec 24
STL3:50 pmLambert-St Louis
19h 25m
1 stop
NAP6:15 pmNaples
Jan 1
NAP7:05 pmNaples
25h 50m
1 stop
STL1:55 pmLambert-St Louis
$1,052
Find similar

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 September 4, 2025.
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

St. LouisNaples

STL - NAP

STLNAP

Lambert-St Louis

Wed 9/17

7:23 am-1:00 pm

1 stop22h 37m

Naples

Wed 9/24

3:00 pm-9:53 pm

1 stop13h 53m

$623

St. LouisNaples

STL - NAP

STLNAP

Lambert-St Louis

Wed 9/17

1:21 pm-1:00 pm

2 stops16h 39m

Naples

Wed 9/24

3:00 pm-9:53 pm

1 stop13h 53m

$628

St. LouisNaples

STL - NAP

STLNAP

Lambert-St Louis

Wed 9/17

9:44 am-10:00 pm

2 stops29h 16m

Naples

Wed 9/24

6:50 am-8:32 pm

2 stops20h 42m

$640

St. LouisNaples

STL - NAP

STLNAP

Lambert-St Louis

Tue 9/16

7:04 pm-5:55 pm

2 stops15h 51m

Naples

Tue 9/23

6:40 am-7:57 pm

2 stops20h 17m

$647

St. LouisNaples

STL - NAP

STLNAP

Lambert-St Louis

Wed 9/17

1:21 pm-1:00 pm

2 stops16h 39m

Naples

Wed 9/24

7:40 am-9:53 pm

2 stops21h 13m

$654

St. LouisNaples

STL - NAP

STLNAP

Lambert-St Louis

Fri 9/19

11:04 am-7:00 am

1 stop12h 56m

Naples

Tue 9/23

9:00 am-7:05 pm

1 stop17h 05m

$683

St. LouisNaples

STL - NAP

STLNAP

Lambert-St Louis

Thu 9/18

7:05 pm-7:00 am

1 stop28h 55m

Naples

Thu 9/25

9:00 am-6:02 pm

1 stop16h 02m

$690

St. LouisNaples

STL - NAP

STLNAP

Lambert-St Louis

Wed 12/24

6:35 pm-6:15 pm

2 stops16h 40m

Naples

Thu 1/1

7:05 pm-1:55 pm

1 stop25h 50m

$864

St. LouisNaples

STL - NAP

STLNAP

Lambert-St Louis

Wed 12/24

6:35 pm-6:15 pm

2 stops16h 40m

Naples

Thu 1/1

6:15 pm-1:55 pm

2 stops26h 40m

$901

St. LouisNaples

STL - NAP

STLNAP

Lambert-St Louis

Wed 9/17

1:30 pm-9:40 am

1 stop13h 10m

Naples

Sat 9/20

11:35 am-7:57 pm

1 stop15h 22m

$2,063

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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 day to depart on your flight to Naples?

Our data shows that Saturday is the least expensive day to fly to Naples. Tickets to fly out on this day can be as low as $974. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from St. Louis to Naples for around $1,552.

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

Our data shows that the cheapest St. Louis to Naples flights are usually those with departure times in the afternoon. Our users have found flights to Naples in the afternoon for as low as $1,015. At noon is when there is more demand to fly to Naples, so prices are often more expensive at around $1,426 per ticket.

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

Direct flights

None
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 12h 56m.

  • 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
8,939 reviews
Search United Airlines flights
American AirlinesPriceFrom $794Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
LufthansaPriceFrom $812Free CancellationRating
6.8
7,390 reviews
Search Lufthansa flights

Traveling to a place near Naples?

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

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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