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St. Louis

$548+ 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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
FLR — STL
Apr 17 — Apr 241
Fri 4/17
Fri 4/24
1 adult, Economy
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Cheap flight deals from Florence to St. Louis

Cheapest flights from Florence to St. Louis
Explore the most affordable flight options available from Florence to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 18, 2026.

This United Airlines deal was found by Cheapflights users on 3/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/26:30 am
FLR
-
STL
2 stops18h 41m
United Airlines
Mon 4/63:15 pm
STL
-
FLR
2 stops14h 25m
United Airlines
Deal found 3/15$877
This Lufthansa deal was found by Cheapflights users on 3/16. 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.
Thu 4/302:20 pm
FLR
-
STL
1 stop30h 05m
Lufthansa
Thu 5/77:09 pm
STL
-
FLR
2 stops14h 26m
Lufthansa
Deal found 3/16$892
This American Airlines deal was found by Cheapflights users on 3/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/317:05 am
FLR
-
STL
2 stops17h 53m
American Airlines
Sat 4/49:35 am
STL
-
FLR
2 stops18h 55m
American Airlines
Deal found 3/15$1,069
This Gotogate deal was found by Cheapflights users on 3/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/3110:25 am
FLR
-
STL
2 stops36h 00m
Multiple Airlines
Sat 4/44:05 pm
STL
-
FLR
2 stops13h 35m
Multiple Airlines
Deal found 3/15$1,199
This Booking.com deal was found by Cheapflights users on 3/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/317:10 pm
FLR
-
STL
1 stop25h 15m
Lufthansa
Sat 4/43:15 pm
STL
-
FLR
2 stops14h 25m
Lufthansa
Deal found 3/15$1,225
This Mytrip deal was found by Cheapflights users on 3/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3012:20 pm
FLR
-
STL
3 stops32h 05m
Multiple Airlines
Thu 5/71:05 pm
STL
-
FLR
2 stops16h 35m
Multiple Airlines
Deal found 3/16$1,646
This Gotogate deal was found by Cheapflights users on 3/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/291:40 pm
FLR
-
STL
2 stops32h 45m
Multiple Airlines
Wed 5/62:20 pm
STL
-
FLR
2 stops21h 10m
Multiple Airlines
Deal found 3/15$1,968
This Expedia deal was found by Cheapflights users on 3/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:30 am
FLR
-
STL
1 stop13h 55m
Lufthansa
Wed 5/611:34 am
STL
-
FLR
2 stops25h 41m
Lufthansa
Deal found 3/15$1,996

Find 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 March 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$877
(United Airlines)

One-way from

$548
(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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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 March 18, 2026.
Use the filters below to find and compare flights from Florence to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Thu 4/2

6:30 am-7:22 pm

2 stops19h 52m

Lambert-St Louis

Mon 4/6

3:15 pm-12:40 pm

2 stops14h 25m

$877

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Thu 4/30

2:20 pm-1:25 pm

1 stop30h 05m

Lambert-St Louis

Thu 5/7

7:09 pm-4:35 pm

2 stops14h 26m

$892

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Tue 3/31

7:05 am-5:58 pm

2 stops17h 53m

Lambert-St Louis

Sat 4/4

9:35 am-11:30 am

2 stops18h 55m

$1,069

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Tue 3/31

12:20 pm-1:25 pm

2 stops32h 05m

Lambert-St Louis

Sat 4/4

4:05 pm-10:30 pm

3 stops23h 25m

$1,415

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Wed 4/29

1:40 pm-3:25 pm

2 stops32h 45m

Lambert-St Louis

Wed 5/6

2:20 pm-6:30 pm

2 stops21h 10m

$1,968

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Wed 4/29

6:30 am-1:25 pm

1 stop13h 55m

Lambert-St Louis

Wed 5/6

11:34 am-8:15 pm

2 stops25h 41m

$1,996
Quickest round-trip

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Wed 4/29

12:40 pm-7:30 pm

1 stop13h 50m

Lambert-St Louis

Wed 5/6

9:35 pm-10:20 pm

1 stop17h 45m

$2,320
Cheapest one-way

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Tue 6/2

10:00 pm-12:21 am

3 stops33h 21m

$557

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Thu 4/30

9:50 am-7:27 pm

2 stops16h 37m

$754
Quickest one-way

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Tue 6/2

6:30 am-1:25 pm

1 stop13h 55m

$808

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/16

Showing 1-10 of 13 resultsSorted by cheapest first
1
2
  • Most accurate provider: When it comes to deals on Florence-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Florence-St. Louis flight deals on Cheapflights vs. FlightHub >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 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 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 United Airlines fly from Florence to St. Louis in about 19h 52m. The time it takes to get you to your destination can typically vary by up to . The distance from Florence to St. Louis is about 4924 mi.

  • 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
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus

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