$842+ Cheap flights from Florence (FLR) to St. Louis (STL)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
FLR — STL
Oct 26 — Nov 21
Round-trip
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
Best
Last-minute
One-way
Cheapest flights from Florence to St. LouisExplore 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 September 26, 2026.
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 September 26, 2026.
This Delta deal was found by Cheapflights users on 9/22. 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 10/812:40 pm -
2 stops18h 14m
Mon 10/125:35 pm -
2 stops16h 40m
Deal found 9/22![Delta logo]()
$854
This KLM deal was found by Cheapflights users on 9/23. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:40 am -
2 stops16h 48m
Mon 10/122:38 pm -
2 stops14h 32m
Deal found 9/23![Multiple Airlines logo]()
$859
This Expedia deal was found by Cheapflights users on 9/23. 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.
Thu 10/87:10 pm -
2 stops33h 11m
Mon 10/123:30 pm -
1 stop14h 20m
Deal found 9/23![Lufthansa logo]()
$977
Best flights from Florence to St. LouisDiscover 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 September 26, 2026.
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 September 26, 2026.
This British Airways deal was found by Cheapflights users on 9/24. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/2812:35 pm -
2 stops18h 22m
Mon 2/15:50 pm -
2 stops34h 20m
Deal found 9/24![British Airways logo]()
$842
This Delta deal was found by Cheapflights users on 9/22. 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 10/812:40 pm -
2 stops18h 14m
Mon 10/125:35 pm -
2 stops16h 40m
Deal found 9/22![Delta logo]()
$854
This KLM deal was found by Cheapflights users on 9/23. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:40 am -
2 stops16h 48m
Mon 10/122:38 pm -
2 stops14h 32m
Deal found 9/23![Multiple Airlines logo]()
$859
This Expedia deal was found by Cheapflights users on 9/23. 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.
Thu 10/87:10 pm -
2 stops33h 11m
Mon 10/123:30 pm -
1 stop14h 20m
Deal found 9/23![Lufthansa logo]()
$977
Last-minute flights from Florence to St. LouisDiscover last-minute flight deals from Florence to St. Louis. Data last updated September 26, 2026 and is based on user searches.
Discover last-minute flight deals from Florence to St. Louis. Data last updated September 26, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/22. 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 10/812:40 pm -
2 stops18h 14m
Mon 10/125:35 pm -
2 stops16h 40m
Deal found 9/22![Delta logo]()
$854
This KLM deal was found by Cheapflights users on 9/23. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:40 am -
2 stops16h 48m
Mon 10/122:38 pm -
2 stops14h 32m
Deal found 9/23![Multiple Airlines logo]()
$859
This Expedia deal was found by Cheapflights users on 9/23. 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.
Thu 10/87:10 pm -
2 stops33h 11m
Mon 10/123:30 pm -
1 stop14h 20m
Deal found 9/23![Lufthansa logo]()
$977
One-way flights from Florence to St. LouisSearch for one-way flight options from Florence to St. Louis. Find affordable one-way fares based on user searches. Data last updated September 26, 2026.
Search for one-way flight options from Florence to St. Louis. Find affordable one-way fares based on user searches. Data last updated September 26, 2026.
This KAYAK deal was found by Cheapflights users on 9/23. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:25 am -
2 stops17h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![ITA Airways logo]()
$944
This Thrive Travel deal was found by Cheapflights users on 9/25. 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 Thrive Travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:00 am -
2 stops21h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Austrian Airlines logo]()
$1,020
This Cheapflightsfares deal was found by Cheapflights users on 9/24. 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.
Fri 10/97:05 am -
1 stop19h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![British Airways logo]()
$1,402
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/25. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/911:20 am -
3 stops28h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Multiple Airlines logo]()
$1,573
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 September 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $842 (British Airways) |
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 7,457,451 searches. Data last updated September 26, 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
Cheapest round-trip
FlorenceSt. Louis
FLR Florence Peretola - STL Lambert-St Louis
FLRSTL
Florence Peretola
Thu 1/28
12:35 pm-11:57 pm
2 stops18h 22m
Lambert-St Louis
Mon 2/1
5:50 pm-11:10 am
2 stops34h 20m
$842
FlorenceSt. Louis
FLR Florence Peretola - STL Lambert-St Louis
FLRSTL
Florence Peretola
Thu 10/8
12:40 pm-11:54 pm
2 stops18h 14m
Lambert-St Louis
Mon 10/12
5:35 pm-5:15 pm
2 stops16h 40m
$854
FlorenceSt. Louis
FLR Florence Peretola - STL Lambert-St Louis
FLRSTL
Florence Peretola
Thu 10/8
6:40 am-4:28 pm
2 stops16h 48m
Lambert-St Louis
Mon 10/12
2:38 pm-12:10 pm
2 stops14h 32m
$859
Quickest round-trip
FlorenceSt. Louis
FLR Florence Peretola - STL Lambert-St Louis
FLRSTL
Florence Peretola
Fri 10/9
6:25 am-4:53 pm
2 stops17h 28m
Lambert-St Louis
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$944
FlorenceSt. Louis
FLR Florence Peretola - STL Lambert-St Louis
FLRSTL
Florence Peretola
Thu 10/8
7:10 pm-9:21 pm
2 stops33h 11m
Lambert-St Louis
Mon 10/12
3:30 pm-12:50 pm
1 stop14h 20m
$977
FlorenceSt. Louis
FLR Florence Peretola - STL Lambert-St Louis
FLRSTL
Florence Peretola
Fri 10/9
7:00 am-9:09 pm
2 stops21h 09m
Lambert-St Louis
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$1,020
FlorenceSt. Louis
FLR Florence Peretola - STL Lambert-St Louis
FLRSTL
Florence Peretola
Fri 10/9
7:05 am-7:30 pm
1 stop19h 25m
Lambert-St Louis
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$1,402
FlorenceSt. Louis
FLR Florence Peretola - STL Lambert-St Louis
FLRSTL
Florence Peretola
Fri 10/9
11:20 am-8:48 am
3 stops28h 28m
Lambert-St Louis
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$1,573
Sorted by cheapest first
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- 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.
FLR-STL
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.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsFairview Heights
O'Fallon
Fenton
Swansea
Eureka
Wentzville
Maryland Heights
Collinsville
Edwardsville
Glencoe
Chesterfield
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
Complete your trip
Flights by cabin class
Other flight options
Popular flights
St. Louis flight routes