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$561+ 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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
STL — FLR
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
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 April 15, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$776
(United Airlines)

One-way from

$561
(British Airways)

Popular in

June

Cheapest in

November

Average price

$917
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. 19% potential increase in price ($278 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($46 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 15, 2025.

This Gurufare deal was found by Cheapflights users on 4/14. 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.
Tue 4/2211:06 amSTL - FLR
2 stops17h 29mBritish Airways
Wed 4/307:05 amFLR - STL
2 stops20h 53mBritish Airways
Deal found 4/14$724
This FlightHub deal was found by Cheapflights users on 4/14. 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.
Tue 4/225:35 pmSTL - FLR
2 stops19h 40mLufthansa
Wed 4/306:40 amFLR - STL
1 stop13h 50mLufthansa
Deal found 4/14$726
This United Airlines deal was found by Cheapflights users on 4/14. 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.
Fri 8/83:30 pmSTL - FLR
1 stop15h 35mUnited Airlines
Thu 8/212:45 pmFLR - STL
2 stops36h 15mUnited Airlines
Deal found 4/14$776
This Booking.com deal was found by Cheapflights users on 4/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/71:30 pmSTL - FLR
2 stops17h 35mMultiple Airlines
Thu 8/216:55 pmFLR - STL
1 stop25h 35mMultiple Airlines
Deal found 4/14$958
This Air Canada deal was found by Cheapflights users on 4/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/169:15 amSTL - FLR
2 stops20h 40mAir Canada
Wed 7/306:40 amFLR - STL
2 stops20h 20mAir Canada
Deal found 4/14$1,001
This Delta deal was found by Cheapflights users on 4/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2810:45 amSTL - FLR
2 stops18h 15mDelta
Thu 12/186:50 amFLR - STL
2 stops23h 49mDelta
Deal found 4/14$1,062
This Aeromexico deal was found by Cheapflights users on 4/14. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/110:45 amSTL - FLR
2 stops23h 35mAir France
Sat 12/208:45 pmFLR - STL
2 stops31h 56mAir France
Deal found 4/14$1,093
This Ovago deal was found by Cheapflights users on 4/15. 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.
Sat 6/213:42 pmSTL - FLR
2 stops20h 23mScandinavian Airlines
Sat 7/59:15 pmFLR - STL
2 stops31h 19mScandinavian Airlines
Deal found 4/15$1,365

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 April 15, 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

Fri 8/8

3:30 pm-2:05 pm

1 stop15h 35m

Florence Peretola

Thu 8/21

2:45 pm-8:00 pm

2 stops36h 15m

$776

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

Fri 9/26

3:30 pm-6:15 pm

1 stop19h 45m

Florence Peretola

Sat 10/4

2:45 pm-1:30 pm

1 stop29h 45m

$866

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

Thu 8/7

1:30 pm-2:05 pm

2 stops17h 35m

Florence Peretola

Thu 8/21

6:55 pm-1:30 pm

1 stop25h 35m

$958

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

Wed 7/16

9:15 am-12:55 pm

2 stops20h 40m

Florence Peretola

Wed 7/30

6:40 am-8:00 pm

2 stops20h 20m

$1,001

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

Mon 9/15

8:01 pm-10:20 pm

2 stops19h 19m

Florence Peretola

Sun 9/21

7:10 am-8:23 pm

2 stops20h 13m

$1,025

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

Thu 8/28

10:45 am-12:00 pm

2 stops18h 15m

Florence Peretola

Thu 12/18

6:50 am-11:39 pm

2 stops23h 49m

$1,062

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

Mon 9/1

10:45 am-5:20 pm

2 stops23h 35m

Florence Peretola

Sat 12/20

8:45 pm-9:41 pm

2 stops31h 56m

$1,093

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

Sat 6/21

3:42 pm-7:05 pm

2 stops20h 23m

Florence Peretola

Sat 7/5

9:15 pm-9:34 pm

2 stops31h 19m

$1,365

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

Tue 9/30

4:52 pm-10:20 pm

2 stops22h 28m

$561

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

Fri 5/9

3:30 pm-6:15 pm

1 stop19h 45m

$639

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 11 results
1
2

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on St. Louis-Florence flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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 $766). Flying from St. Louis to Florence in June is currently the most expensive (average of $1,387). 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 April 15, 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.

Rainfall in Florence by month

Plan your trip to Florence by taking into account the average rainfall totals by month.

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.

Temperature in Florence by month

Plan your trip to Florence by taking into account the average temperature totals by month.

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).

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 April 15, 2025.
Peruse reviews from past customers who have flown with Delta, Air France and United Airlines from St. Louis to Florence to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,917 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,917 reviews
Delta
8.0
Very good
7,917 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.5
Good
1,435 reviews
Delta
8.0
Very good
7,917 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,658 reviews
Delta
8.0
Very good
7,917 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Scandinavian Airlines
7.3
Good
1,335 reviews
Delta
8.0
Very good
7,917 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Canada
7.0
Good
9,127 reviews
Delta
8.0
Very good
7,917 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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

    Currently priced at $776, 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 Lufthansa and Air Canada - these airlines can fly you to your destination from $866 and $1,001, respectively. United Airlines is currently priced 31% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from St. Louis to Florence one-way?

    The cheapest airlines for a one-way flight from St. Louis to Florence are British Airways ($561), Lufthansa ($639), and Air France ($921).

  • 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 $1,387). 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 St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Prato
Fiesole
Arezzo

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Top 6 airlines flying from St. Louis to Florence

Discover the top 6 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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$688Average$1,084FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$724Average$959FlexibilityNo cancel feeOn-time70%
DeltaCheapest$744Average$1,229FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$837Average$1,397FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$861Average$1,168FlexibilityNo cancel feeOn-time77%
KLMCheapest$965Average$1,196FlexibilityNo cancel feeOn-time75%

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