What airlines fly to Florence?

Lufthansa, United Airlines and British Airways 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 48% of people opting to fly with this airline when traveling to Florence. Keep in mind that there are 4 different airlines that fly to Florence on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Lambert-St Louis to Florence Peretola?

British Airways, American Airlines, and Lufthansa are the most popular carriers operating from Lambert-St Louis to Florence Peretola

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 October 2026, there are 4 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.

$329 Cheap Flights from St. Louis to Florence in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Florence

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:45 am - 1:50 pmSTL Lambert-St Louis-FLR Florence Peretola

20h 05m2 stops Chicago O'Hare Intl Zurich

6:30 am - 1:45 pmFLR Florence Peretola-STL Lambert-St Louis

14h 15m1 stop Frankfurt am Main

$736United Airlines

Wed, Feb 10 - Fri, Feb 12

9:05 am - 1:50 pmSTL Lambert-St Louis-FLR Florence Peretola

21h 45m2 stops Chicago O'Hare Intl Zurich

6:30 am - 1:45 pmFLR Florence Peretola-STL Lambert-St Louis

14h 15m1 stop Frankfurt am Main

$736United Airlines

Wed, Feb 10 - Fri, Feb 12

9:22 am - 1:50 pmSTL Lambert-St Louis-FLR Florence Peretola

21h 28m2 stops Chicago O'Hare Intl Zurich

6:30 am - 1:45 pmFLR Florence Peretola-STL Lambert-St Louis

14h 15m1 stop Frankfurt am Main

$736United Airlines

Wed, Feb 10 - Fri, Feb 12

7:04 pm - 8:15 pmSTL Lambert-St Louis-FLR Florence Peretola

18h 11m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

6:30 am - 1:45 pmFLR Florence Peretola-STL Lambert-St Louis

14h 15m1 stop Frankfurt am Main

$780Lufthansa

Fri, Feb 19 - Fri, Feb 26

3:40 pm - 1:40 pmSTL Lambert-St Louis-FLR Florence Peretola

15h 00m1 stop Frankfurt am Main

6:30 am - 1:45 pmFLR Florence Peretola-STL Lambert-St Louis

14h 15m1 stop Frankfurt am Main

$784Lufthansa

Fri, Feb 19 - Fri, Feb 26

7:04 pm - 8:15 pmSTL Lambert-St Louis-FLR Florence Peretola

18h 11m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

10:20 am - 9:41 pmFLR Florence Peretola-STL Lambert-St Louis

18h 21m2 stops Frankfurt am Main Newark

$784Lufthansa

Fri, Feb 19 - Fri, Feb 26

4:05 pm - 8:55 amSTL Lambert-St Louis-FLR Florence Peretola

33h 50m2 stops Toronto Pearson Intl Zurich

3:05 pm - 10:15 pmFLR Florence Peretola-STL Lambert-St Louis

38h 10m2 stops Vienna Intl Newark

$817Multiple Airlines

Wed, Dec 2 - Mon, Dec 7

12:29 pm - 9:00 amSTL Lambert-St Louis-FLR Florence Peretola

13h 31m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

6:40 am - 11:22 pmFLR Florence Peretola-STL Lambert-St Louis

23h 42m2 stops Amsterdam Schiphol Minneapolis St Paul

$872Delta

Sun, Nov 15 - Sun, Nov 22

11:34 am - 11:35 amSTL Lambert-St Louis-FLR Florence Peretola

17h 01m2 stops Boston Logan Intl London Heathrow

12:40 pm - 9:08 pmFLR Florence Peretola-STL Lambert-St Louis

38h 28m2 stops London Heathrow Chicago O'Hare Intl

$881British Airways

Fri, Mar 12 - Sun, Mar 21

8:30 am - 9:40 amSTL Lambert-St Louis-FLR Florence Peretola

18h 10m3 stops Chicago O'Hare Intl Toronto Pearson Intl Frankfurt am Main

10:20 am - 3:26 pmFLR Florence Peretola-STL Lambert-St Louis

36h 06m2 stops Frankfurt am Main Toronto Pearson Intl

$891Multiple Airlines

Tue, Nov 17 - Sun, Nov 22

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United Airlines flights from St. Louis to Florence

Our best United Airlines deals on St. Louis to Florence flight tickets

United Airlines

Feb 10

STL9:22 amLambert-St Louis

21h 28m

2 stops

FLR1:50 pmFlorence Peretola

Feb 12

FLR6:30 amFlorence Peretola

14h 15m

1 stop

STL1:45 pmLambert-St Louis

$736

United Airlines

Feb 10

STL11:00 amLambert-St Louis

18h 30m

2 stops

FLR12:30 pmFlorence Peretola

Feb 12

FLR6:30 amFlorence Peretola

14h 15m

1 stop

STL1:45 pmLambert-St Louis

$737

United Airlines

Feb 10

STL9:22 amLambert-St Louis

21h 28m

2 stops

FLR1:50 pmFlorence Peretola

Feb 12

FLR6:30 amFlorence Peretola

40h 27m

3 stops

STL3:57 pmLambert-St Louis

$743

Lufthansa flights from St. Louis to Florence

Our best Lufthansa deals on St. Louis to Florence flight tickets

Lufthansa

Feb 19

STL7:04 pmLambert-St Louis

18h 11m

2 stops

FLR8:15 pmFlorence Peretola

Feb 26

FLR6:30 amFlorence Peretola

14h 15m

1 stop

STL1:45 pmLambert-St Louis

$780

Lufthansa

Feb 19

STL3:40 pmLambert-St Louis

15h 00m

1 stop

FLR1:40 pmFlorence Peretola

Feb 26

FLR6:30 amFlorence Peretola

14h 15m

1 stop

STL1:45 pmLambert-St Louis

$783

Lufthansa

Feb 19

STL7:04 pmLambert-St Louis

18h 11m

2 stops

FLR8:15 pmFlorence Peretola

Feb 26

FLR10:20 amFlorence Peretola

18h 21m

2 stops

STL9:41 pmLambert-St Louis

$784

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisFlorence

STL Lambert-St Louis - FLR Florence Peretola

STLFLR

Lambert-St Louis

Wed 2/10

10:45 am-1:50 pm

2 stops20h 05m

Florence Peretola

Fri 2/12

6:30 am-1:45 pm

1 stop14h 15m

$736

St. LouisFlorence

STL Lambert-St Louis - FLR Florence Peretola

STLFLR

Lambert-St Louis

Wed 2/10

9:05 am-1:50 pm

2 stops21h 45m

Florence Peretola

Fri 2/12

6:30 am-1:45 pm

1 stop14h 15m

$736

St. LouisFlorence

STL Lambert-St Louis - FLR Florence Peretola

STLFLR

Lambert-St Louis

Wed 2/10

9:22 am-1:50 pm

2 stops21h 28m

Florence Peretola

Fri 2/12

6:30 am-1:45 pm

1 stop14h 15m

$736

St. LouisFlorence

STL Lambert-St Louis - FLR Florence Peretola

STLFLR

Lambert-St Louis

Fri 2/19

7:04 pm-8:15 pm

2 stops18h 11m

Florence Peretola

Fri 2/26

6:30 am-1:45 pm

1 stop14h 15m

$780

Quickest round-trip

St. LouisFlorence

STL Lambert-St Louis - FLR Florence Peretola

STLFLR

Lambert-St Louis

Fri 2/19

3:40 pm-1:40 pm

1 stop15h 00m

Florence Peretola

Fri 2/26

6:30 am-1:45 pm

1 stop14h 15m

$784

St. LouisFlorence

STL Lambert-St Louis - FLR Florence Peretola

STLFLR

Lambert-St Louis

Fri 2/19

7:04 pm-8:15 pm

2 stops18h 11m

Florence Peretola

Fri 2/26

10:20 am-9:41 pm

2 stops18h 21m

$784

St. LouisFlorence

STL Lambert-St Louis - FLR Florence Peretola

STLFLR

Lambert-St Louis

Wed 12/2

4:05 pm-8:55 am

2 stops33h 50m

Florence Peretola

Mon 12/7

3:05 pm-10:15 pm

2 stops38h 10m

$817

St. LouisFlorence

STL Lambert-St Louis - FLR Florence Peretola

STLFLR

Lambert-St Louis

Sun 11/15

12:29 pm-9:00 am

2 stops13h 31m

Florence Peretola

Sun 11/22

6:40 am-11:22 pm

2 stops23h 42m

$872

St. LouisFlorence

STL Lambert-St Louis - FLR Florence Peretola

STLFLR

Lambert-St Louis

Fri 3/12

11:34 am-11:35 am

2 stops17h 01m

Florence Peretola

Sun 3/21

12:40 pm-9:08 pm

2 stops38h 28m

$881

St. LouisFlorence

STL Lambert-St Louis - FLR Florence Peretola

STLFLR

Lambert-St Louis

Tue 11/17

8:30 am-9:40 am

3 stops18h 10m

Florence Peretola

Sun 11/22

10:20 am-3:26 pm

2 stops36h 06m

$891

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first

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

Prices

Airlines

What is the typical price of a round-trip flight between St. Louis and Florence?

Prices are currently low for flights on this route.

Typical prices usually range from $1,085 to $1,354.
The lowest price recently found on this route was $736.

What is the cheapest month to fly to Florence?

If you aren’t able to travel during the month of February, then book flights to Florence from St. Louis during January instead. Flights to Florence in January, while not as cheap as those in February, still average around $798.

Can stopping save me money on St. Louis to Florence flights?

You could potentially save up to 22% on your flight if you consider stops on a St. Louis to Florence flight.

When to book flights from St. Louis to Florence

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Florence according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

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

Best Price Found	$329
Fastest flight time	17h 01m
Direct flights	None

The best one-way flight to Florence from St. Louis in the past 72 hours is $329. The best round-trip flight deal from St. Louis to Florence found on momondo in the last 72 hours is $736.

The fastest flight from St. Louis to Florence takes 17h 01m

There are no direct flights from St. Louis to Florence. There are no popular flight routes from St. Louis to Florence.

Search flight deals

Frequently asked questions about flying 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 17h 01m, 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 October 2026, there are 4 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 52% of the total bookings. Other popular airlines include United Airlines with 25%, British Airways with 12%, and Delta with 12%.

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
British Airways	PriceFrom $489	Free Cancellation	Rating 6.7 8,244 reviews	Search British Airways flights
Lufthansa	PriceFrom $491	Free Cancellation	Rating 6.8 8,255 reviews	Search Lufthansa flights
United Airlines	PriceFrom $496	Free Cancellation	Rating 7.4 10,283 reviews	Search United Airlines flights
Delta	PriceFrom $498	Free Cancellation	Rating 7.8 8,626 reviews	Search Delta flights

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Impruneta

Volterra

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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.

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Cheap flights from St. Louis to Florence from $329

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 3/17. 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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United Airlines flights from St. Louis to Florence

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How to get the cheapest flight ticket from St. Louis to Florence

What is the typical price of a round-trip flight between St. Louis and Florence?

What is the cheapest month to fly to Florence?

Can stopping save me money on St. Louis to Florence flights?

What is the cheapest airline that flies from Lambert-St Louis to Florence Peretola?

What airlines fly to Florence?

When to book flights from St. Louis to Florence

Cheap St. Louis to Florence (STL to FLR) flight deals and tips

Best Price Found

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Direct flights

Frequently asked questions about flying from St. Louis to Florence

Best airlines flying from St. Louis to Florence

Compare and see reviews for airlines that fly from St. Louis to Florence with momondo

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An easier way to manage your Florence trip

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