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

Currently priced at $722, Delta will fly you from St. Louis to Florence and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and Lufthansa - these airlines can fly you to your destination from $725 and $726, respectively. Delta is currently priced 39% 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 Delta ($487), Lufthansa ($588), and British Airways ($907).

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.

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

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

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

Flying to your destination on a Wednesday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Florence. Check prices with Cheapflights to find a great deal for your trip.

How far in advance should I book a flight from St. Louis to Florence?

Travelers have found it’s best to book a flight 45 days in advance to save up to 119% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 45 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from St. Louis to Florence 1-2 weeks in advance for as low as $1,115, or $1,671 for flights within the next 24 hours.

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

Due to multiple factors, expect to potentially pay more when booking in May. For low rates, November can be a great choice for travel to Florence. Flights to Florence from St. Louis in November are about $1,203 on average during November, but can be found for as low as $823.

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.

$487+ 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	$722 (Delta)
One-way from	$487 (Delta)
Popular in	May
Cheapest in	November
Average price	$956

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

Search Deals

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

Search Deals

From Lambert-St Louis to Florence Peretola

Search Deals

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

Search Deals

Highest demand for flights based on searches. 13% potential increase in price ($191 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($40 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 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 March 21, 2025.

Tue 11/44:15 pmSTL - FLR

2 stops22h 55mMultiple Airlines

Tue 11/186:30 amFLR - STL

2 stops15h 56mMultiple Airlines

Deal found 3/20

$626

Thu 11/611:45 amSTL - FLR

2 stops21h 45mUnited Airlines

Tue 11/186:30 amFLR - STL

2 stops15h 56mUnited Airlines

Deal found 3/20

$700

Sun 4/2010:30 amSTL - FLR

2 stops18h 30mDelta

Tue 4/296:25 amFLR - STL

2 stops18h 37mDelta

Deal found 3/20

$722

Tue 4/227:45 amSTL - FLR

2 stops20h 50mBritish Airways

Wed 4/3012:40 pmFLR - STL

2 stops16h 32mBritish Airways

Deal found 3/20

$725

Tue 4/225:35 pmSTL - FLR

2 stops16h 10mLufthansa

Wed 4/306:40 amFLR - STL

1 stop13h 50mLufthansa

Deal found 3/19

$726

Fri 8/291:30 pmSTL - FLR

2 stops38h 00mScandinavian Airlines

Wed 9/312:20 pmFLR - STL

2 stops42h 19mScandinavian Airlines

Deal found 3/21

$997

Wed 7/169:15 amSTL - FLR

2 stops17h 25mAir Canada

Wed 7/306:40 amFLR - STL

2 stops20h 20mAir Canada

Deal found 3/20

$1,003

Fri 4/186:00 pmSTL - FLR

2 stops42h 35mIberia

Tue 4/298:20 pmFLR - STL

2 stops32h 52mIberia

Deal found 3/20

$4,168

Tue 4/110:19 amSTL - FLR

2 stops15h 41mAir France

Wed 4/212:15 pmFLR - STL

2 stops16h 25mAir France

Deal found 3/20

$5,149

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 March 21, 2025.

Sun 4/2010:30 amSTL - FLR

2 stops18h 30mDelta

Tue 4/296:25 amFLR - STL

2 stops18h 37mDelta

Deal found 3/19

$722

Tue 4/229:52 amSTL - FLR

2 stops18h 43mBritish Airways

Wed 4/307:05 amFLR - STL

2 stops19h 24mBritish Airways

Deal found 3/19

$725

Tue 4/225:35 pmSTL - FLR

2 stops16h 10mLufthansa

Wed 4/306:40 amFLR - STL

1 stop13h 50mLufthansa

Deal found 3/19

$726

Thu 4/241:43 pmSTL - FLR

2 stops16h 12mUnited Airlines

Wed 4/306:40 amFLR - STL

1 stop13h 50mUnited Airlines

Deal found 3/19

$987

Fri 8/291:30 pmSTL - FLR

2 stops38h 00mScandinavian Airlines

Wed 9/312:20 pmFLR - STL

2 stops42h 19mScandinavian Airlines

Deal found 3/21

$997

Wed 7/169:15 amSTL - FLR

2 stops17h 25mAir Canada

Wed 7/306:40 amFLR - STL

2 stops20h 20mAir Canada

Deal found 3/20

$1,003

Sun 6/87:30 amSTL - FLR

2 stops32h 35mMultiple Airlines

Tue 6/1711:25 amFLR - STL

3 stops32h 11mMultiple Airlines

Deal found 3/19

$1,047

Fri 4/186:00 pmSTL - FLR

2 stops42h 35mIberia

Tue 4/298:20 pmFLR - STL

2 stops32h 52mIberia

Deal found 3/20

$4,168

Tue 4/110:19 amSTL - FLR

2 stops15h 41mAir France

Wed 4/212:15 pmFLR - STL

2 stops16h 25mAir France

Deal found 3/20

$5,149

Last-minute flights from St. Louis to Florence
Discover last-minute flight deals from St. Louis to Florence. Data last updated March 21, 2025 and is based on user searches.

Mon 3/314:26 pmSTL - FLR

2 stops20h 09mMultiple Airlines

Wed 4/212:40 pmFLR - STL

2 stops16h 38mMultiple Airlines

Deal found 3/20

$1,719

Mon 3/315:35 pmSTL - FLR

2 stops16h 10mLufthansa

Wed 4/26:40 amFLR - STL

1 stop13h 50mLufthansa

Deal found 3/20

$1,754

Tue 4/110:19 amSTL - FLR

2 stops15h 41mAir France

Wed 4/212:15 pmFLR - STL

2 stops16h 25mAir France

Deal found 3/20

$5,149

Fri 4/186:00 pmSTL - FLR

2 stops42h 35mIberia

Tue 4/298:20 pmFLR - STL

2 stops32h 52mIberia

Deal found 3/20

$4,168

Sun 4/2010:30 amSTL - FLR

2 stops18h 30mDelta

Tue 4/296:25 amFLR - STL

2 stops18h 37mDelta

Deal found 3/19

$722

Tue 4/229:52 amSTL - FLR

2 stops18h 43mBritish Airways

Wed 4/307:05 amFLR - STL

2 stops19h 24mBritish Airways

Deal found 3/19

$725

Tue 4/225:35 pmSTL - FLR

2 stops16h 10mLufthansa

Wed 4/306:40 amFLR - STL

1 stop13h 50mLufthansa

Deal found 3/19

$726

Thu 4/241:43 pmSTL - FLR

2 stops16h 12mUnited Airlines

Wed 4/306:40 amFLR - STL

1 stop13h 50mUnited Airlines

Deal found 3/19

$987

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 March 21, 2025.

Fri 5/95:40 pmSTL - FLR

2 stops16h 40mDelta

Deal found 3/20

$487

Sun 6/87:30 amSTL - FLR

2 stops32h 35mMultiple Airlines

Deal found 3/19

$550

Fri 5/93:30 pmSTL - FLR

1 stop19h 45mLufthansa

Deal found 3/20

$588

Mon 6/21:38 pmSTL - FLR

2 stops14h 52mBritish Airways

Deal found 3/20

$907

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

Sun 4/20

10:30 am-12:00 pm

2 stops18h 30m

Florence Peretola

Tue 4/29

6:25 am-6:02 pm

2 stops18h 37m

$722

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

Tue 4/22

7:45 am-11:35 am

2 stops20h 50m

Florence Peretola

Wed 4/30

12:40 pm-10:12 pm

2 stops16h 32m

$725

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

Tue 4/22

5:35 pm-4:45 pm

2 stops16h 10m

Florence Peretola

Wed 4/30

6:40 am-1:30 pm

1 stop13h 50m

$726

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

Thu 4/24

1:43 pm-12:55 pm

2 stops16h 12m

Florence Peretola

Wed 4/30

6:40 am-1:30 pm

1 stop13h 50m

$987

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

Fri 8/29

1:30 pm-10:30 am

2 stops38h 00m

Florence Peretola

Wed 9/3

12:20 pm-11:39 pm

2 stops42h 19m

$997

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

Wed 7/16

9:15 am-9:40 am

2 stops17h 25m

Florence Peretola

Wed 7/30

6:40 am-8:00 pm

2 stops20h 20m

$1,003

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

Sun 6/8

7:30 am-11:05 pm

2 stops32h 35m

Florence Peretola

Tue 6/17

11:25 am-12:36 pm

3 stops32h 11m

$1,047

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

Fri 4/18

6:00 pm-7:35 pm

2 stops42h 35m

Florence Peretola

Tue 4/29

8:20 pm-10:12 pm

2 stops32h 52m

$4,168

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

Tue 4/1

10:19 am-9:00 am

2 stops15h 41m

Florence Peretola

Wed 4/2

12:15 pm-9:40 pm

2 stops16h 25m

$5,149

St. LouisFlorence

STL - FLR

STLFLR

Lambert-St Louis

Fri 5/9

5:40 pm-5:20 pm

2 stops16h 40m

$487

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

Showing 1-10 of 13 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 March.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust 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 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

How far ahead should I book a flight from St. Louis to Florence?

Booking 44 days in advance of your planned departure date is, on average, the best time to get cheap flights from St. Louis to Florence. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 $1,424). 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.

Rainfall in Florence 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

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

Delta

8.0

Very good

7,895 reviews

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

7,895 reviews

Delta

8.0

Very good

7,895 reviews

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

7.4

Good

1,422 reviews

Delta

8.0

Very good

7,895 reviews

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

8,605 reviews

Delta

8.0

Very good

7,895 reviews

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

1,321 reviews

Delta

8.0

Very good

7,895 reviews

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

8,914 reviews

Delta

8.0

Very good

7,895 reviews

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

What are the cheapest airlines flying from St. Louis to Florence round-trip?
Currently priced at $722, Delta will fly you from St. Louis to Florence and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and Lufthansa - these airlines can fly you to your destination from $725 and $726, respectively. Delta is currently priced 39% 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 Delta ($487), Lufthansa ($588), and British Airways ($907).
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 $1,424). 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

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Top 4 airlines flying from St. Louis to Florence

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$717	Average$1,222	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$748	Average$1,035	FlexibilityNo cancel fee	On-time69%
Lufthansa	Cheapest$845	Average$1,488	FlexibilityNo cancel fee	On-time76%
KLM	Cheapest$965	Average$1,196	FlexibilityNo cancel fee	On-time75%

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$487+ 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 5/9. 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

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

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 March 21, 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 March 21, 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 March.

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

How far ahead should I book a flight from St. Louis to Florence?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Florence. Price data was last updated on March 14, 2025.

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?

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 March 21, 2025.

Rainfall in Florence by month

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

Temperature in Florence by month

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

Reviews of airlines servicing Florence

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?

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

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?

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Alternative routes for St. Louis to Florence

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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 March 21, 2025.