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$442+ Cheap flights from Florence (FLR) to St. Louis (STL)

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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
FLR — STL
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from Florence to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Florence (FLR) to St. Louis (STL). 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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$792
(American Airlines)

One-way from

$442
(Kiwi.com)
Provider with most accurate pricing for Florence Peretola-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Florence Peretola-Lambert-St Louis flights.
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From Florence Peretola to Lambert-St Louis
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One-way flight from Florence Peretola to Lambert-St Louis
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Find flight deals from Florence to St. Louis

Best flights from Florence to St. Louis
Discover carefully curated flight deals from Florence to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2025.

This American Airlines deal was found by Cheapflights users on 10/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/1312:45 pmFLR - STL
2 stops35h 20mAmerican Airlines
Tue 2/175:55 pmSTL - FLR
2 stops58h 50mAmerican Airlines
Deal found 10/28$792
This United Airlines deal was found by Cheapflights users on 10/29. 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 2/136:30 amFLR - STL
2 stops19h 49mUnited Airlines
Tue 2/171:11 pmSTL - FLR
2 stops16h 24mUnited Airlines
Deal found 10/29$809

Cheapflights Fare Finder

 
Customize your flight search to find flights from Florence to St. Louis 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 October 30, 2025.
Use the filters below to find and compare flights from Florence to St. Louis that are best for you.

Fly from

Florence

Fly to

St. Louis

Route

Depart

Return

Price

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Fri 2/13

12:45 pm-5:05 pm

2 stops35h 20m

Lambert-St Louis

Tue 2/17

5:55 pm-11:45 am

2 stops58h 50m

$792

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Fri 2/13

6:30 am-7:19 pm

2 stops19h 49m

Lambert-St Louis

Tue 2/17

1:11 pm-12:35 pm

2 stops16h 24m

$809

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Thu 12/11

6:45 am-9:47 am

3 stops34h 02m

$442

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Thu 12/11

2:15 pm-1:55 pm

1 stop30h 40m

$1,652

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Compare providers for flights from Florence to St. Louis

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 Florence to St. Louis in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
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 Florence-St. Louis flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Florence-St. Louis flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Florence-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Florence-St. Louis flights, Cheapflights users trust eDreams the most. eDreams 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 Florence-St. Louis 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 Florence to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Florence 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.

Related info for your journey

Find useful and relevant information for your journey from Florence to St. Louis. 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 Florence to St. Louis?

    Airlines like American Airlines and United Airlines fly from Florence to St. Louis in about 19h 49m. The time it takes to get you to your destination can typically vary by up to 15h 31m. The distance from Florence to St. Louis is about 4924 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

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

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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