$472 Cheap Flights from St. Louis (STL) to Florence (FLR)

View $472 flight on Wed, Oct 15, 2025Opens in a new window

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

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

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

Prices were available within the past 7 days and start at $472 for one-way flights and $606 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Nov 24 - Wed, Dec 3
STL
St. Louis
FLR
Florence
$606 Roundtrip, found 21 hours ago
$606
Roundtrip
found 21 hours ago
Select United flight, departing Mon, Nov 24 from St. Louis to Florence, returning Wed, Dec 3, priced at $606 found 21 hours ago
United
Tue, Oct 28 - Fri, Nov 14
STL
St. Louis
FLR
Florence
$606 Roundtrip, found 1 hour ago
$606
Roundtrip
found 1 hour ago
Select United flight, departing Tue, Oct 28 from St. Louis to Florence, returning Fri, Nov 14, priced at $606 found 1 hour ago
United
Wed, Dec 31 - Wed, Jan 14
STL
St. Louis
FLR
Florence
$607 Roundtrip, found 4 hours ago
$607
Roundtrip
found 4 hours ago
Select United flight, departing Wed, Dec 31 from St. Louis to Florence, returning Wed, Jan 14, priced at $607 found 4 hours ago
Lufthansa
Wed, Oct 29 - Wed, Nov 12
STL
St. Louis
FLR
Florence
$608 Roundtrip, found 2 days ago
$608
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Wed, Oct 29 from St. Louis to Florence, returning Wed, Nov 12, priced at $608 found 2 days ago
United
Wed, Dec 24 - Fri, Jan 9
STL
St. Louis
FLR
Florence
$609 Roundtrip, found 4 hours ago
$609
Roundtrip
found 4 hours ago
Select United flight, departing Wed, Dec 24 from St. Louis to Florence, returning Fri, Jan 9, priced at $609 found 4 hours ago
United
Sun, Jan 4 - Fri, Jan 23
STL
St. Louis
FLR
Florence
$611 Roundtrip, found 5 days ago
$611
Roundtrip
found 5 days ago
Select United flight, departing Sun, Jan 4 from St. Louis to Florence, returning Fri, Jan 23, priced at $611 found 5 days ago
United
Tue, Oct 28 - Thu, Nov 13
STL
St. Louis
FLR
Florence
$613 Roundtrip, found 1 hour ago
$613
Roundtrip
found 1 hour ago
Select United flight, departing Tue, Oct 28 from St. Louis to Florence, returning Thu, Nov 13, priced at $613 found 1 hour ago
Air Canada
Wed, Mar 18 - Wed, Mar 25
STL
St. Louis
FLR
Florence
$618 Roundtrip, found 2 days ago
$618
Roundtrip
found 2 days ago
Select Air Canada flight, departing Wed, Mar 18 from St. Louis to Florence, returning Wed, Mar 25, priced at $618 found 2 days ago
Austrian Airlines
Wed, Mar 18 - Wed, Mar 25
STL
St. Louis
FLR
Florence
$621 Roundtrip, found 2 days ago
$621
Roundtrip
found 2 days ago
Select Austrian Airlines flight, departing Wed, Mar 18 from St. Louis to Florence, returning Wed, Mar 25, priced at $621 found 2 days ago
British Airways
Mon, Nov 10 - Fri, Nov 21
STL
St. Louis
FLR
Florence
$624 Roundtrip, found 5 days ago
$624
Roundtrip
found 5 days ago
Select British Airways flight, departing Mon, Nov 10 from St. Louis to Florence, returning Fri, Nov 21, priced at $624 found 5 days ago

Find the cheapest month to fly from St. Louis (STL) to Florence (FLR)

February is typically the cheapest month to fly

From $610 - $1,835 per traveler.

Graph displaying average flight prices per month

Alternative airports near Florence

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

Select flight to Peretola FLR. Cheapest and Closest option available. Average driving time to city center is 14 minutes. Flights from $1,117
FLR
Peretola
CheapestClosest
Average driving time to city center14 min
Flights from $1,117
Flights from St. Louis (STL) to Florence (FLR)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Peretola
Airlines serving
Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Iberia, KLM, Lufthansa, Scandinavian Airlines, United
Roundtrip price
$606
Distance
4927 mi

St. Louis to Florence Flights

The cheapest times to fly from St. Louis to Florence

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

 

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

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

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 Florence in 2025. You can also book with separate airlines for your outbound and return journeys, from $472 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 Florence 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 Florence 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 Peretola Airport (FLR) cost?
Get a cheap one-way flight from $472 or cheap return flight from $606 from Lambert-St. Louis Intl. Airport (STL) to Peretola Airport (FLR) 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 Peretola Airport (FLR)?
Traveling in November is a great way to save, as it's the cheapest month for flights between STL and FLR. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Peretola Airport (FLR)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll take you from STL to FLR. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Peretola Airport (FLR)?
There aren't any daily direct flights departing from Lambert-St. Louis Intl. Airport (STL) to Peretola Airport (FLR). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way in no time.
What day of the week has the most flights from STL to FLR?
Typically you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* But this can vary depending on the time of year, carrier and other factors.*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 Peretola Airport (FLR)?
Opt for a flight from Lambert-St. Louis Intl. Airport (STL) to Peretola Airport (FLR) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this hour have a 22% higher chance of being canceled, on average.**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 Peretola Airport (FLR) last-minute?
Last-minute bookings from STL to FLR are usually more expensive. To lock in the lowest prices, start looking for flights well ahead of time. That said, if you can play around with your travel dates, it's possible to score a cheap ticket right before your trip.
Is it cheaper to book a STL to FLR flight and hotel package?
You'll typically save money by securing a STL to FLR 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 it all in one place. Once you've selected your preferred accommodations and flights, consider adding extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Peretola Airport (FLR)?
In most instances, you're able to cancel or reschedule your STL to FLR flight. However, additional fees 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 need further details, visit our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.