How long is the flight from St. Louis to Florence?

Delta, Lufthansa, and United Airlines can get you from St. Louis to Florence in just under 16h 48m. Your travel time can differ by up to 5h 47m. Airlines will cover a distance of 4924 mi. This flight may include one or multiple stops.

What are the cheapest airlines flying from St. Louis to Florence round-trip?

Currently priced at $633, United Airlines will fly you from St. Louis to Florence and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Lufthansa - these airlines can fly you to your destination from $717 and $722, respectively. United Airlines is currently priced 42% below the average price you’ll pay for this route.

What is the cheapest day to fly from St. Louis to Florence?

Travelers seeking maximum savings on their St. Louis to Florence flight should consider departing on Thursday afternoons when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Florence ranges from 1.2 - 3.9 inches per month. October is typically the wettest month, when rainfall can reach 3.9 in. July is typically the driest time to visit Florence when rainfall is around 1.2 in.

If weather is an important factor for your trip to Florence, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

What are the most popular airlines that fly from St. Louis to Florence?

British Airways, Delta and Lufthansa are the most popular airlines when flying from St. Louis to Florence.

Most accurate provider : When it comes to deals on St. Louis-Florence flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Florence flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Florence flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on St. Louis-Florence flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Florence flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from St. Louis to Florence that include hotel bookings?

Yes. In addition to deals on St. Louis to Florence flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from St. Louis to Florence?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Florence.

Can I find deals for business class flights from St. Louis to Florence?

Yes. Cheapflights offers flight deals from St. Louis to Florence by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$325+ Cheap Flights from St. Louis to Florence

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Cheap flight deals from St. Louis to Florence

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$601 (United)
One-way from	$325 (Kiwi.com)
Popular in	June
Cheapest in	November
Average price	$1,133

Provider with most accurate pricing for Lambert-St Louis-Florence Peretola flight deals.

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Provider most trusted by Cheapflights users for Lambert-St Louis-Florence Peretola flights.

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From Lambert-St Louis to Florence Peretola

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One-way flight from Lambert-St Louis to Florence Peretola

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Highest demand for flights based on searches. 21% potential increase in price ($296 potential increase over avg. RT price).

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Cheapest flight prices on average. 5% potential price decrease ($55 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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Find flight deals from St. Louis to Florence

Cheapest flights from St. Louis to Florence
Explore the most affordable flight options available from St. Louis to Florence. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 25, 2025.

Fri 11/78:25 amSTL - FLR

2 stops22h 40mMultiple Airlines

Wed 11/126:30 amFLR - STL

1 stop14h 25mMultiple Airlines

Deal found 9/23

$657

Fri 11/74:05 pmSTL - FLR

2 stops19h 00mMultiple Airlines

Fri 11/1410:25 amFLR - STL

2 stops36h 04mMultiple Airlines

Deal found 9/23

$666

Sat 11/86:43 pmSTL - FLR

2 stops36h 27mUnited Airlines

Sat 11/152:15 pmFLR - STL

2 stops36h 24mUnited Airlines

Deal found 9/23

$692

Wed 12/33:50 pmSTL - FLR

1 stop19h 40mLufthansa

Sun 12/76:30 amFLR - STL

1 stop14h 25mLufthansa

Deal found 9/23

$722

Wed 12/38:00 amSTL - FLR

2 stops22h 35mUnited Airlines

Sun 12/76:30 amFLR - STL

1 stop14h 25mUnited Airlines

Deal found 9/23

$727

Fri 11/73:50 pmSTL - FLR

1 stop19h 40mLufthansa

Wed 11/126:30 amFLR - STL

1 stop14h 25mLufthansa

Deal found 9/23

$835

Fri 11/73:50 pmSTL - FLR

1 stop14h 45mLufthansa

Fri 11/146:30 amFLR - STL

2 stops23h 15mLufthansa

Deal found 9/23

$869

Fri 11/73:50 pmSTL - FLR

1 stop14h 45mUnited Airlines

Fri 11/146:30 amFLR - STL

2 stops20h 09mUnited Airlines

Deal found 9/22

$870

Sat 11/84:05 pmSTL - FLR

2 stops34h 35mMultiple Airlines

Sat 11/152:15 pmFLR - STL

1 stop30h 40mMultiple Airlines

Deal found 9/23

$908

Best flights from St. Louis to Florence
Discover carefully curated flight deals from St. Louis to Florence that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 25, 2025.

Fri 11/78:25 amSTL - FLR

2 stops22h 40mMultiple Airlines

Wed 11/126:30 amFLR - STL

1 stop14h 25mMultiple Airlines

Deal found 9/23

$657

Wed 12/34:32 pmSTL - FLR

2 stops16h 48mDelta

Sun 12/76:40 amFLR - STL

2 stops21h 23mDelta

Deal found 9/23

$666

Wed 12/33:50 pmSTL - FLR

1 stop19h 40mLufthansa

Sun 12/76:30 amFLR - STL

1 stop14h 25mLufthansa

Deal found 9/23

$722

Wed 12/38:00 amSTL - FLR

2 stops22h 35mUnited Airlines

Sun 12/76:30 amFLR - STL

1 stop14h 25mUnited Airlines

Deal found 9/23

$727

Fri 11/73:50 pmSTL - FLR

1 stop14h 45mUnited Airlines

Fri 11/146:30 amFLR - STL

2 stops20h 09mUnited Airlines

Deal found 9/22

$870

Sat 11/84:05 pmSTL - FLR

2 stops34h 35mMultiple Airlines

Sat 11/152:15 pmFLR - STL

1 stop30h 40mMultiple Airlines

Deal found 9/23

$908

Fri 11/73:50 pmSTL - FLR

1 stop14h 45mLufthansa

Fri 11/146:30 amFLR - STL

1 stop14h 25mLufthansa

Deal found 9/23

$980

Fri 11/74:05 pmSTL - FLR

2 stops19h 00mMultiple Airlines

Fri 11/146:30 amFLR - STL

3 stops22h 10mMultiple Airlines

Deal found 9/22

$914

Thu 10/1612:25 pmSTL - FLR

2 stops21h 20mLufthansa

Sat 10/258:15 amFLR - STL

2 stops20h 22mLufthansa

Deal found 9/23

$1,033

Last-minute flights from St. Louis to Florence
Discover last-minute flight deals from St. Louis to Florence. Data last updated September 25, 2025 and is based on user searches.

Wed 10/81:30 pmSTL - FLR

2 stops17h 05mMultiple Airlines

Sat 10/116:55 amFLR - STL

3 stops34h 07mMultiple Airlines

Deal found 9/24

$1,266

Tue 10/143:23 pmSTL - FLR

2 stops18h 22mUnited Airlines

Fri 10/249:45 amFLR - STL

2 stops21h 12mUnited Airlines

Deal found 9/25

$935

Tue 10/149:15 amSTL - FLR

2 stops17h 25mMultiple Airlines

Fri 10/249:45 amFLR - STL

2 stops36h 59mMultiple Airlines

Deal found 9/25

$941

Tue 10/145:28 pmSTL - FLR

2 stops17h 47mLufthansa

Fri 10/246:40 amFLR - STL

1 stop13h 50mLufthansa

Deal found 9/25

$1,235

Thu 10/1612:25 pmSTL - FLR

2 stops21h 20mLufthansa

Sat 10/258:15 amFLR - STL

2 stops20h 22mLufthansa

Deal found 9/23

$1,033

Thu 10/169:15 amSTL - FLR

2 stops21h 50mMultiple Airlines

Mon 10/273:05 pmFLR - STL

2 stops38h 39mMultiple Airlines

Deal found 9/23

$1,066

Thu 10/1612:25 pmSTL - FLR

2 stops21h 20mUnited Airlines

Sun 10/269:35 amFLR - STL

2 stops42h 05mUnited Airlines

Deal found 9/23

$1,242

Fri 10/173:30 pmSTL - FLR

1 stop24h 15mMultiple Airlines

Mon 10/273:05 pmFLR - STL

2 stops38h 39mMultiple Airlines

Deal found 9/23

$1,125

Fri 10/173:30 pmSTL - FLR

1 stop24h 15mLufthansa

Sat 10/258:15 amFLR - STL

2 stops20h 22mLufthansa

Deal found 9/23

$1,129

Thu 10/234:50 pmSTL - FLR

2 stops16h 55mUnited Airlines

Sun 11/29:35 amFLR - STL

2 stops39h 04mUnited Airlines

Deal found 9/24

$1,092

One-way flights from St. Louis to Florence
Search for one-way flight options from St. Louis to Florence. Find affordable one-way fares based on user searches. Data last updated September 25, 2025.

Thu 10/2310:57 amSTL - FLR

3 stops24h 18mMultiple Airlines

Deal found 9/23

$325

Sun 1/253:50 pmSTL - FLR

3 stops24h 05mMultiple Airlines

Deal found 9/23

$348

Wed 12/313:50 pmSTL - FLR

3 stops23h 40mMultiple Airlines

Deal found 9/25

$440

Mon 12/296:35 pmSTL - FLR

2 stops20h 25mLufthansa

Deal found 9/25

$460

Wed 12/316:35 pmSTL - FLR

2 stops16h 55mLufthansa

Deal found 9/25

$471

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Florence that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

Fri 11/7

8:25 am-2:05 pm

2 stops22h 40m

Florence Peretola

Wed 11/12

6:30 am-1:55 pm

1 stop14h 25m

$657

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

Wed 12/3

4:32 pm-4:20 pm

2 stops16h 48m

Florence Peretola

Sun 12/7

6:40 am-9:03 pm

2 stops21h 23m

$666

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

Wed 12/3

3:50 pm-6:30 pm

1 stop19h 40m

Florence Peretola

Sun 12/7

6:30 am-1:55 pm

1 stop14h 25m

$722

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

Wed 12/3

8:00 am-1:35 pm

2 stops22h 35m

Florence Peretola

Sun 12/7

6:30 am-1:55 pm

1 stop14h 25m

$727

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

Fri 11/7

3:50 pm-1:35 pm

1 stop14h 45m

Florence Peretola

Fri 11/14

6:30 am-7:39 pm

2 stops20h 09m

$870

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

Sat 11/8

4:05 pm-9:40 am

2 stops34h 35m

Florence Peretola

Sat 11/15

2:15 pm-1:55 pm

1 stop30h 40m

$908

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

Fri 11/7

4:05 pm-6:05 pm

2 stops19h 00m

Florence Peretola

Fri 11/14

6:30 am-9:40 pm

3 stops22h 10m

$914

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

Fri 11/7

3:50 pm-1:35 pm

1 stop14h 45m

Florence Peretola

Fri 11/14

6:30 am-1:55 pm

1 stop14h 25m

$980

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

Thu 10/16

12:25 pm-4:45 pm

2 stops21h 20m

Florence Peretola

Sat 10/25

8:15 am-9:37 pm

2 stops20h 22m

$1,033

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

Thu 10/23

10:57 am-6:15 pm

3 stops24h 18m

$325

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/23

Showing 1-10 of 15 results

Compare providers for flights from St. Louis to Florence

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Florence in September.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
Ovago	Price Accuracy2 stars	Trust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on St. Louis-Florence flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Florence flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Florence flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on St. Louis-Florence flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Florence flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St. Louis to Florence

Have a flexible travel schedule? Discover the best time to fly to Florence from St. Louis with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Florence

What is the cheapest month to book a flight from St. Louis to Florence?

Currently, November is the cheapest month in which you can book a flight from St. Louis to Florence (average of $746). Flying from St. Louis to Florence in June is currently the most expensive (average of $1,291). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from STL to FLR?

When flying from St. Louis to Florence, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 16% versus a flight at noon.

Reviews of airlines servicing Florence

Read reviews from past customers who have flown Delta, United Airlines, and Lufthansa from St. Louis to Florence. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,973 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,973 reviews

Delta

8.0

Very good

7,973 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,926 reviews

Delta

8.0

Very good

7,973 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Lufthansa

6.8

Okay

7,424 reviews

Delta

8.0

Very good

7,973 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

British Airways

6.7

Okay

7,399 reviews

Delta

8.0

Very good

7,973 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

How long is the flight from St. Louis to Florence?
Delta, Lufthansa, and United Airlines can get you from St. Louis to Florence in just under 16h 48m. Your travel time can differ by up to 5h 47m. Airlines will cover a distance of 4924 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from St. Louis to Florence round-trip?
Currently priced at $633, United Airlines will fly you from St. Louis to Florence and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Lufthansa - these airlines can fly you to your destination from $717 and $722, respectively. United Airlines is currently priced 42% below the average price you’ll pay for this route.
Can I find deals for flights from St. Louis to Florence that include hotel bookings?
Yes. In addition to deals on St. Louis to Florence flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to Florence?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Florence.
Can I find deals for business class flights from St. Louis to Florence?
Yes. Cheapflights offers flight deals from St. Louis to Florence by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from St. Louis to Florence?
Currently, November is the cheapest month in which you can book a flight from St. Louis to Florence (average of $746). Flying from St. Louis to Florence in June is currently the most expensive (average of $1,291). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from St. Louis to Florence

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$633	Average$1,035	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$717	Average$1,296	FlexibilityNo cancel fee	On-timeN/A
Lufthansa	Cheapest$722	Average$1,203	FlexibilityNo cancel fee	On-time76%
British Airways	Cheapest$724	Average$959	FlexibilityNo cancel fee	On-time70%

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$325+ Cheap flights from St. Louis (STL) to Florence (FLR)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/23. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Florence with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from St. Louis to Florence

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Most trusted provider

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Cheapest in

Average price

Find flight deals from St. Louis to Florence

Cheapest flights from St. Louis to FlorenceExplore the most affordable flight options available from St. Louis to Florence. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 25, 2025.

Explore the most affordable flight options available from St. Louis to Florence. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 25, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Florence that are best for you.

Compare providers for flights from St. Louis to Florence

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Florence in September.

Best time to book a flight from St. Louis to Florence

Have a flexible travel schedule? Discover the best time to fly to Florence from St. Louis with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Florence

What is the cheapest month to book a flight from St. Louis to Florence?

What is the cheapest time of day to fly from STL to FLR?

Reviews of airlines servicing Florence

Read reviews from past customers who have flown Delta, United Airlines, and Lufthansa from St. Louis to Florence. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Florence. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from St. Louis to Florence?

What are the cheapest airlines flying from St. Louis to Florence round-trip?

Can I find deals for flights from St. Louis to Florence that include hotel bookings?

How can I find direct flights from St. Louis to Florence?

Can I find deals for business class flights from St. Louis to Florence?

What is the cheapest month to book a flight from St. Louis to Florence?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Florence

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from St. Louis to Florence

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Cheapest flights from St. Louis to Florence
Explore the most affordable flight options available from St. Louis to Florence. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 25, 2025.