HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
St. Louis

$534+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
FLR — STL
Jun 4 — Jun 111
Thu 6/4
Thu 6/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Florence to St. Louis with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 May 5, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 5/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2610:20 am
FLR
-
STL
2 stops19h 34m
Lufthansa
Thu 12/101:27 pm
STL
-
FLR
2 stops17h 08m
Lufthansa
Deal found 5/3$920
This lol.travel deal was found by Cheapflights users on 5/5. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/212:20 pm
FLR
-
STL
2 stops15h 32m
Lufthansa
Mon 5/257:05 pm
STL
-
FLR
2 stops16h 25m
Lufthansa
Deal found 5/5$926
This United Airlines deal was found by Cheapflights users on 5/4. 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 6/186:30 am
FLR
-
STL
2 stops34h 57m
United Airlines
Thu 6/2510:20 am
STL
-
FLR
2 stops23h 15m
United Airlines
Deal found 5/4$1,181
This Mytrip deal was found by Cheapflights users on 5/5. 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 5/219:00 am
FLR
-
STL
2 stops18h 09m
Multiple Airlines
Mon 5/251:05 pm
STL
-
FLR
3 stops26h 35m
Multiple Airlines
Deal found 5/5$1,256
This Mytrip deal was found by Cheapflights users on 5/4. 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 6/187:00 pm
FLR
-
STL
3 stops32h 25m
Multiple Airlines
Thu 6/251:20 pm
STL
-
FLR
2 stops16h 30m
Multiple Airlines
Deal found 5/4$1,872
This Lufthansa deal was found by Cheapflights users on 5/4. 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 6/187:10 pm
FLR
-
STL
1 stop25h 15m
Lufthansa
Thu 6/2512:55 pm
STL
-
FLR
2 stops16h 55m
Lufthansa
Deal found 5/4$1,974
This Mytrip deal was found by Cheapflights users on 5/3. 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 11/2610:05 pm
FLR
-
STL
3 stops24h 25m
Multiple Airlines
Thu 12/104:15 pm
STL
-
FLR
3 stops23h 50m
Multiple Airlines
Deal found 5/3$2,634

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 May 5, 2026.

Round-trip from

$926
(lol.travel)

One-way from

$534
(Expedia)
From Florence Peretola to Lambert-St Louis
Search Deals
One-way flight from Florence Peretola to Lambert-St Louis
Search Deals

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 May 5, 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
Quickest round-trip

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Thu 5/21

2:20 pm-10:52 pm

2 stops15h 32m

Lambert-St Louis

Mon 5/25

7:05 pm-6:30 pm

2 stops16h 25m

$926

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Thu 6/18

6:30 am-10:27 am

2 stops34h 57m

Lambert-St Louis

Thu 6/25

10:20 am-4:35 pm

2 stops23h 15m

$1,181

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Thu 5/21

9:00 am-8:09 pm

2 stops18h 09m

Lambert-St Louis

Mon 5/25

1:05 pm-10:40 pm

3 stops26h 35m

$1,256

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Thu 6/18

7:00 pm-8:25 pm

3 stops32h 25m

Lambert-St Louis

Thu 6/25

1:20 pm-12:50 pm

2 stops16h 30m

$1,872

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Thu 6/18

7:10 pm-1:25 pm

1 stop25h 15m

Lambert-St Louis

Thu 6/25

12:55 pm-12:50 pm

2 stops16h 55m

$1,974
Cheapest one-way

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Tue 5/12

3:30 pm-4:54 pm

3 stops56h 24m

$594

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Sat 9/12

7:10 am-9:23 pm

2 stops21h 13m

$672

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Mon 10/5

7:05 am-8:08 pm

2 stops20h 03m

$674

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Wed 8/12

7:05 am-7:32 pm

2 stops19h 27m

$719

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Thu 8/13

7:05 am-7:32 pm

2 stops19h 27m

$719

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/5

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

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 Lufthansa and United Airlines fly from Florence to St. Louis in about 15h 32m. The time it takes to get you to your destination can typically vary by up to 19h 25m. 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
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Florence to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
Leonardo da Vinci/Fiumicino to St. Louis flights
Leonardo da Vinci/Fiumicino to Kansas City flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.