Cheap flights from St. Louis to Florence from $425
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 Florence departing on 7/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from St. Louis to Florence
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
United Airlines flights from St. Louis to Florence
Our best United Airlines deals on St. Louis to Florence flight tickets
Air Canada flights from St. Louis to Florence
Our best Air Canada deals on St. Louis to Florence flight tickets
See travel insights to Florence from
How to get the cheapest flight ticket from St. Louis to Florence
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 typical price of a round-trip flight between St. Louis and Florence?
What is the cheapest month to fly to Florence?
If you aren’t able to travel during the month of November, then book flights to Florence from St. Louis during April instead. Flights to Florence in April, while not as cheap as those in November, still average around $917.
What is the cheapest day to depart on your flight to Florence?
On average, the least expensive day to fly to Florence from St. Louis is on a Monday. momondo users have found tickets for Monday departures for as low as $1,112. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to Florence on Thursday is $1,880.
What is the cheapest airline that flies from Lambert-St Louis to Florence Peretola?
Lufthansa, British Airways, and Air France are the most popular carriers operating from Lambert-St Louis to Florence Peretola
What airlines fly to Florence?
Lufthansa, Delta and United Airlines are the top three most popular airlines that fly to Florence from St. Louis according to our data. Lufthansa is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Florence. Keep in mind that there are 7 different airlines that fly to Florence on a routine basis, so you have a few additional options to choose from.
When to book flights from St. Louis to Florence
Cheap St. Louis to Florence (STL to FLR) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Florence
How far is Lambert-St Louis to Florence Peretola by plane?
There are 4926.2 mi between Lambert-St Louis and Florence Peretola. Flights usually cover this in 14h 30m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Lambert-St Louis Airport to Florence Peretola Airport?
Prices for flights from Lambert-St Louis Airport to Florence Peretola Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Lambert-St Louis Airport to Florence Peretola Airport?
As of April 2025, there are 6 operators available to choose from for flights from Lambert-St Louis Airport to Florence Peretola Airport.
How old do you have to be to fly from Lambert-St Louis Airport to Florence Peretola Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Florence Peretola Airport.
What documentation or ID do you need to fly to Florence Peretola Airport?
The travel and health documents you'll need for your trip to Florence Peretola 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 Florence Peretola 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 Florence?
Based on momondo bookings for flights between St. Louis and Florence, the leading airline is Lufthansa, making up 35% of the total bookings. Other popular airlines include Delta with 28%, United Airlines with 17%, and British Airways with 7%.
Best airlines flying from St. Louis to Florence
Compare and see reviews for airlines that fly from St. Louis to Florence with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $688 | Free Cancellation | Rating 7.4 8,667 reviews | |||
| PriceFrom $724 | Free Cancellation | Rating 6.6 6,771 reviews | |||
| PriceFrom $744 | Free Cancellation | Rating 8.0 7,916 reviews | |||
| PriceFrom $837 | Free Cancellation | Rating 6.7 7,011 reviews | |||
| PriceFrom $861 | Free Cancellation | Rating 7.5 1,435 reviews | |||
| PriceFrom $965 | Free Cancellation | Rating 7.8 1,327 reviews |
Traveling to a place near Florence?
Book flights to Florence if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from St. Louis to Florence?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to Florence. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from St. Louis to Florence with flexible booking policies on momondo?
momondo does allow users to show only those flights to Florence from St. Louis which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from St. Louis to Florence?
Once you have performed a search for St. Louis to Florence flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from St. Louis to Florence right now. Can momondo alert me if prices change?
If you are not ready to book a flight from St. Louis to Florence now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Florence and let you know when they change.