$506 Cheap Flights from Florence (FLR) to St. Louis (STL)

View $506 flight on Wed, Apr 22, 2026Opens in a new window

Popular airlines from Florence Airport, Peretola (FLR) to St. Louis Lambert Intl. Airport (STL)

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Cheap Flights from Florence to St. Louis (FLR-STL)

Prices were available within the past 7 days and start at $506 for one-way flights and $704 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Sun, Nov 23 - Mon, Dec 8
FLR
Florence
STL
St. Louis
$704 Roundtrip, found 5 days ago
$704
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Sun, Nov 23 from Florence to St. Louis, returning Mon, Dec 8, priced at $704 found 5 days ago
Lufthansa
Sun, Nov 23 - Mon, Dec 8
FLR
Florence
STL
St. Louis
$706 Roundtrip, found 5 days ago
$706
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Sun, Nov 23 from Florence to St. Louis, returning Mon, Dec 8, priced at $706 found 5 days ago
Lufthansa
Fri, Jan 16 - Sat, Jan 24
FLR
Florence
STL
St. Louis
$706 Roundtrip, found 5 days ago
$706
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Fri, Jan 16 from Florence to St. Louis, returning Sat, Jan 24, priced at $706 found 5 days ago
Lufthansa
Fri, Jan 16 - Sat, Jan 24
FLR
Florence
STL
St. Louis
$708 Roundtrip, found 5 days ago
$708
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Fri, Jan 16 from Florence to St. Louis, returning Sat, Jan 24, priced at $708 found 5 days ago
Lufthansa
Mon, Mar 2 - Mon, Mar 9
FLR
Florence
STL
St. Louis
$716 Roundtrip, found 3 days ago
$716
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Mon, Mar 2 from Florence to St. Louis, returning Mon, Mar 9, priced at $716 found 3 days ago
Air Canada
Fri, Jan 16 - Sat, Jan 24
FLR
Florence
STL
St. Louis
$716 Roundtrip, found 5 days ago
$716
Roundtrip
found 5 days ago
Select Air Canada flight, departing Fri, Jan 16 from Florence to St. Louis, returning Sat, Jan 24, priced at $716 found 5 days ago
Lufthansa
Mon, Mar 2 - Mon, Mar 9
FLR
Florence
STL
St. Louis
$716 Roundtrip, found 3 days ago
$716
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Mon, Mar 2 from Florence to St. Louis, returning Mon, Mar 9, priced at $716 found 3 days ago
British Airways
Mon, Mar 2 - Mon, Mar 9
FLR
Florence
STL
St. Louis
$741 Roundtrip, found 3 days ago
$741
Roundtrip
found 3 days ago
Select British Airways flight, departing Mon, Mar 2 from Florence to St. Louis, returning Mon, Mar 9, priced at $741 found 3 days ago
American Airlines
Mon, Mar 2 - Mon, Mar 9
FLR
Florence
STL
St. Louis
$787 Roundtrip, found 3 days ago
$787
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Mar 2 from Florence to St. Louis, returning Mon, Mar 9, priced at $787 found 3 days ago
United
Sun, Nov 23 - Mon, Dec 8
FLR
Florence
STL
St. Louis
$820 Roundtrip, found 5 days ago
$820
Roundtrip
found 5 days ago
Select United flight, departing Sun, Nov 23 from Florence to St. Louis, returning Mon, Dec 8, priced at $820 found 5 days ago

Alternative airports near St. Louis

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

Select flight to Lambert-St. Louis Intl. STL. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $926
STL
Lambert-St. Louis Intl.
Cheapest
Average driving time to city center20 min
Flights from $926

Frequently asked questions

How much does a flight from Peretola Airport (FLR) to Lambert-St. Louis Intl. Airport (STL) cost?
Secure a cheap one-way flight from $506 or cheap return flight from $704 from Peretola Airport (FLR) to Lambert-St. Louis Intl. Airport (STL) 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 Peretola Airport (FLR) to Lambert-St. Louis Intl. Airport (STL)?
November is the most affordable month to fly from FLR to STL. Traveling during quieter months is often the key to scoring lower fares.
What is the cheapest airline that flies from Peretola Airport (FLR) to Lambert-St. Louis Intl. Airport (STL)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest FLR to STL flight.
How many flights per day from Peretola Airport (FLR) to Lambert-St. Louis Intl. Airport (STL)?
Nonstop flights from Peretola Airport (FLR) to Lambert-St. Louis Intl. Airport (STL) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from FLR to STL?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Peretola Airport (FLR) to Lambert-St. Louis Intl. Airport (STL)?
To avoid possible delays on the Peretola Airport (FLR) to Lambert-St. Louis Intl. Airport (STL) route, aim to fly before 3 PM. Later flights 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 Peretola Airport (FLR) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Waiting until just before your departure to book a flight from FLR to STL often results in higher prices. While you might find some last-minute offers, there's no guarantee. Allow some flexibility in your schedule for a better chance of getting a bargain.
Is it cheaper to book a FLR to STL flight and hotel package?
You'll typically save money by securing a FLR to STL 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 convenient place. Once you've chosen your ideal accommodations and flights, you can add extras like car rentals, tours and activities.
Can I cancel or change the date of my flight from Peretola Airport (FLR) to Lambert-St. Louis Intl. Airport (STL)?
Typically, you can modify or cancel your FLR to STL flight. However, additional charges may apply, especially if you booked more than 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you want further information, visit our Customer Service portal.

Travel information

Travel information

Origin airport
Peretola
Destination airport
Lambert-St. Louis Intl.
Airlines serving
Air Canada, Air France, American Airlines, British Airways, Delta, KLM, Lufthansa
Roundtrip price
$703
Distance
4927 mi

Book with confidence

Book with confidence

Florence to St. Louis Flights

The cheapest times to fly from Florence to St. Louis

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 Florence to St. Louis are during the month of November. You can find some of the cheapest flights from Florence to St. Louis with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Florence to St. Louis: 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 Florence to St. Louis

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 Florence to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $506 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 Florence to St. Louis 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 Florence to St. Louis 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.

 

Florence to St. Louis Flights

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