$438 Cheap Flights from St. Louis (STL) to Naples (NAP)

View $438 flight on Wed, Oct 15, 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Naples Intl. Airport (NAP)

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Cheap Flights from St. Louis to Naples (STL-NAP)

Prices were available within the past 7 days and start at $438 for one-way flights and $566 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Wed, Oct 29 - Tue, Nov 4
STL
St. Louis
NAP
Naples
$566 Roundtrip, found 4 days ago
$566
Roundtrip
found 4 days ago
Select British Airways flight, departing Wed, Oct 29 from St. Louis to Naples, returning Tue, Nov 4, priced at $566 found 4 days ago
British Airways
Sun, Dec 7 - Tue, Dec 16
STL
St. Louis
NAP
Naples
$567 Roundtrip, found 14 hours ago
$567
Roundtrip
found 14 hours ago
Select British Airways flight, departing Sun, Dec 7 from St. Louis to Naples, returning Tue, Dec 16, priced at $567 found 14 hours ago
Air Canada
Sun, Nov 23 - Thu, Dec 11
STL
St. Louis
NAP
Naples
$575 Roundtrip, found 14 hours ago
$575
Roundtrip
found 14 hours ago
Select Air Canada flight, departing Sun, Nov 23 from St. Louis to Naples, returning Thu, Dec 11, priced at $575 found 14 hours ago
United
Tue, Dec 2 - Tue, Dec 16
STL
St. Louis
NAP
Naples
$575 Roundtrip, found 14 hours ago
$575
Roundtrip
found 14 hours ago
Select United flight, departing Tue, Dec 2 from St. Louis to Naples, returning Tue, Dec 16, priced at $575 found 14 hours ago
Air Canada
Sun, Nov 23 - Wed, Dec 10
STL
St. Louis
NAP
Naples
$576 Roundtrip, found 14 hours ago
$576
Roundtrip
found 14 hours ago
Select Air Canada flight, departing Sun, Nov 23 from St. Louis to Naples, returning Wed, Dec 10, priced at $576 found 14 hours ago
United
Tue, Dec 30 - Thu, Jan 15
STL
St. Louis
NAP
Naples
$577 Roundtrip, found 14 hours ago
$577
Roundtrip
found 14 hours ago
Select United flight, departing Tue, Dec 30 from St. Louis to Naples, returning Thu, Jan 15, priced at $577 found 14 hours ago
United
Sun, Dec 7 - Mon, Dec 22
STL
St. Louis
NAP
Naples
$585 Roundtrip, found 14 hours ago
$585
Roundtrip
found 14 hours ago
Select United flight, departing Sun, Dec 7 from St. Louis to Naples, returning Mon, Dec 22, priced at $585 found 14 hours ago
Air Canada
Tue, Oct 14 - Tue, Oct 21
STL
St. Louis
NAP
Naples
$591 Roundtrip, found 21 hours ago
$591
Roundtrip
found 21 hours ago
Select Air Canada flight, departing Tue, Oct 14 from St. Louis to Naples, returning Tue, Oct 21, priced at $591 found 21 hours ago
Lufthansa
Wed, Oct 15 - Wed, Oct 22
STL
St. Louis
NAP
Naples
$610 Roundtrip, found 21 hours ago
$610
Roundtrip
found 21 hours ago
Select Lufthansa flight, departing Wed, Oct 15 from St. Louis to Naples, returning Wed, Oct 22, priced at $610 found 21 hours ago
American Airlines
Sun, Jan 11 - Sun, Jan 25
STL
St. Louis
NAP
Naples
$615 Roundtrip, found 3 hours ago
$615
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Sun, Jan 11 from St. Louis to Naples, returning Sun, Jan 25, priced at $615 found 3 hours ago

Find the cheapest month to fly from St. Louis (STL) to Naples (NAP)

November is typically the cheapest month to fly

From $611 - $1,420 per traveler.

Graph displaying average flight prices per month

Alternative airports near Naples

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Naples Intl. NAP. Cheapest and Closest option available. Average driving time to city center is 10 minutes. Flights from $648
NAP
Naples Intl.
CheapestClosest
Average driving time to city center10 min
Flights from $648
Flights from St. Louis (STL) to Naples (NAP)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Naples Intl.
Roundtrip price
$565
Distance
5175 mi

St. Louis to Naples Flights

The cheapest times to fly from St. Louis to Naples

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Naples are during the month of October. You can find some of the cheapest flights from St. Louis to Naples with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Naples

Sunday is one of the best days to book for cheap flights from St. Louis to Naples: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Naples

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Naples in 2025. You can also book with separate airlines for your outbound and return journeys, from $438 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Naples flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Naples airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Naples Intl. Airport (NAP) cost?
Lock in a cheap one-way flight from $438 or cheap return flight from $566 from Lambert-St. Louis Intl. Airport (STL) to Naples Intl. Airport (NAP) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Naples Intl. Airport (NAP)?
Planning your trip for October is a great way to save, as it's the cheapest month for flights between STL and NAP. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Naples Intl. Airport (NAP)?
To find the cheapest airline that'll fly you from STL to NAP, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Naples Intl. Airport (NAP)?
You'll have to take a flight with a layover when traveling from Lambert-St. Louis Intl. Airport (STL) to Naples Intl. Airport (NAP). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from STL to NAP?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Naples Intl. Airport (NAP)?
To avoid potential delays on the Lambert-St. Louis Intl. Airport (STL) to Naples Intl. Airport (NAP) route, fly before 3 PM. Flights after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Naples Intl. Airport (NAP) last-minute?
Booking your plane ticket from STL to NAP shortly before your journey is typically more expensive. However, if you're flexible with your schedule, you could grab a cheap last-minute fare.
Is it cheaper to book a STL to NAP flight and hotel package?
You'll typically save money by booking a STL to NAP flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. After choosing your preferred accommodations and flights, you can add extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Naples Intl. Airport (NAP)?
If you booked your STL to NAP flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more information.

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*Available to One Key members.