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$588+ 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
STL — FLR
ago. 18 — ago. 251
lun. 8/18
lun. 8/25
1 adult, Economy
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Cheap flight deals from St. Louis to Florence

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Florence (FLR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated agosto 13, 2025.

Round-trip from

$663
(United Airlines)

One-way from

$588
(British Airways)

Popular in

June

Cheapest in

November

Average price

$1,369
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 ($306 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($56 potential savings vs. average RT price).
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Average for round-trip flights in August 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 agosto 13, 2025.

This United Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/38:30 amSTL - FLR
2 stops22h 05mUnited Airlines
dom. 12/76:30 amFLR - STL
1 stop14h 25mUnited Airlines
Deal found 8/11$663
This Lufthansa deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/33:50 pmSTL - FLR
1 stop19h 40mLufthansa
dom. 12/76:30 amFLR - STL
1 stop14h 25mLufthansa
Deal found 8/10$733
This Gotogate deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/284:05 pmSTL - FLR
2 stops13h 50mAir Canada
mar. 10/141:40 pmFLR - STL
2 stops32h 38mAir Canada
Deal found 8/12$737
This FlightHub deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/227:04 pmSTL - FLR
2 stops14h 41mLufthansa
vie. 10/106:40 amFLR - STL
1 stop13h 50mLufthansa
Deal found 8/11$752
This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/2010:00 amSTL - FLR
2 stops21h 20mUnited Airlines
mar. 11/256:30 amFLR - STL
2 stops39h 59mUnited Airlines
Deal found 8/12$753
This Gotogate deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/284:05 pmSTL - FLR
2 stops13h 50mMultiple Airlines
mar. 10/142:45 pmFLR - STL
1 stop29h 45mMultiple Airlines
Deal found 8/12$758
This Lufthansa deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/157:04 pmSTL - FLR
2 stops14h 41mLufthansa
sáb. 12/132:15 pmFLR - STL
2 stops40h 27mLufthansa
Deal found 8/11$768
This Gurufare deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/251:26 pmSTL - FLR
2 stops22h 24mScandinavian Airlines
jue. 10/212:20 pmFLR - STL
2 stops42h 04mScandinavian Airlines
Deal found 8/11$771
This Ovago deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/227:59 pmSTL - FLR
2 stops19h 21mBritish Airways
vie. 10/107:05 amFLR - STL
2 stops20h 15mBritish Airways
Deal found 8/11$774

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Florence that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated agosto 13, 2025.
Use the filters below to find and compare flights from St. Louis to Florence that are best for you.

Fly from

St. Louis

Fly to

Florence

Route

Depart

Return

Price

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

vie. 10/24

3:30 pm-6:15 pm

1 stop19h 45m

Florence Peretola

sáb. 11/1

8:00 am-11:44 pm

2 stops21h 44m

$735

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

dom. 9/28

4:05 pm-12:55 pm

2 stops13h 50m

Florence Peretola

mar. 10/14

1:40 pm-3:18 pm

2 stops32h 38m

$737

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

lun. 9/22

7:04 pm-4:45 pm

2 stops14h 41m

Florence Peretola

vie. 10/10

6:40 am-1:30 pm

1 stop13h 50m

$752

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

dom. 9/28

4:05 pm-12:55 pm

2 stops13h 50m

Florence Peretola

mar. 10/14

2:45 pm-1:30 pm

1 stop29h 45m

$758

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

lun. 9/15

1:30 pm-12:55 pm

2 stops16h 25m

Florence Peretola

mié. 9/24

6:40 am-7:57 pm

2 stops20h 17m

$764

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

lun. 9/22

3:20 pm-2:05 pm

2 stops15h 45m

Florence Peretola

vie. 10/10

6:40 am-1:30 pm

1 stop13h 50m

$766

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

lun. 9/15

7:04 pm-4:45 pm

2 stops14h 41m

Florence Peretola

sáb. 12/13

2:15 pm-11:42 pm

2 stops40h 27m

$768

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

lun. 9/15

7:04 pm-4:45 pm

2 stops14h 41m

Florence Peretola

mié. 9/24

6:40 am-1:30 pm

1 stop13h 50m

$769

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

jue. 9/25

1:26 pm-6:50 pm

2 stops22h 24m

Florence Peretola

jue. 10/2

12:20 pm-11:24 pm

2 stops42h 04m

$771

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

dom. 8/31

5:32 pm-10:20 pm

2 stops21h 48m

$588

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/10

Showing 1-10 of 11 results
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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 $766). Flying from St. Louis to Florence in June is currently the most expensive (average of $1,296). 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?

Find hourly flight availability from St. Louis to Florence. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated agosto 13, 2025.

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

Get insights into the airlines that provide service to Florence. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Florence. Reviews last updated agosto 13, 2025.
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
7,979 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

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
7,979 reviews
Delta
8.0
Very good
7,979 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

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
8,920 reviews
Delta
8.0
Very good
7,979 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

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
7,317 reviews
Delta
8.0
Very good
7,979 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

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
7,265 reviews
Delta
8.0
Very good
7,979 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

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

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.

  • What is the cheapest airline to fly from St. Louis to Florence round-trip?

    Currently priced at $663, 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. United Airlines is currently priced 39% 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 $766). Flying from St. Louis to Florence in June is currently the most expensive (average of $1,296). 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

Traveling to a place near Florence?

Book flights to Florence if you plan to visit one of these locations
Fiesole

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Top 4 airlines flying from St. Louis to Florence

Discover the top 4 airlines that operate flights from St. Louis to Florence. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated agosto 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$633Average$1,035FlexibilityNo cancel feeOn-time69%
DeltaCheapest$717Average$1,180FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$722Average$1,238FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$724Average$959FlexibilityNo cancel feeOn-time70%

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