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Cheap flights from Florence to St. Louis from $414

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Florence to St. Louis departing on 9/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Florence to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
6:30 am - 6:41 pm
FLR
-
STL
19h 11m
2 stops
Air Canada Logo
8:55 am - 9:35 am
STL
-
FLR
17h 40m
2 stops
$864Air Canada
Wed, Sep 16 - Sat, Sep 26
Lufthansa Logo
6:30 am - 1:25 pm
FLR
-
STL
13h 55m
1 stop
Lufthansa Logo
7:01 pm - 6:30 pm
STL
-
FLR
16h 29m
2 stops
$887Lufthansa
Wed, Sep 16 - Sat, Sep 26
Lufthansa Logo
6:30 am - 1:25 pm
FLR
-
STL
13h 55m
1 stop
Lufthansa Logo
3:30 pm - 6:30 pm
STL
-
FLR
20h 00m
1 stop
$889Lufthansa
Wed, Sep 16 - Fri, Sep 25
Lufthansa Logo
1:40 pm - 10:59 pm
FLR
-
STL
16h 19m
2 stops
Lufthansa Logo
3:30 pm - 6:30 pm
STL
-
FLR
20h 00m
1 stop
$892Lufthansa
Wed, Sep 16 - Fri, Sep 25
Air Canada Logo
6:30 am - 6:41 pm
FLR
-
STL
19h 11m
2 stops
Air Canada Logo
8:55 am - 6:30 pm
STL
-
FLR
26h 35m
2 stops
$928Air Canada
Wed, Sep 16 - Fri, Sep 25
Multiple Airlines Logo
6:30 am - 7:11 pm
FLR
-
STL
19h 41m
2 stops
Multiple Airlines Logo
1:29 pm - 10:15 am
STL
-
FLR
13h 46m
2 stops
$936Multiple Airlines
Wed, Sep 16 - Fri, Sep 25
Delta Logo
6:30 am - 8:35 pm
FLR
-
STL
21h 05m
2 stops
Delta Logo
1:55 pm - 12:10 pm
STL
-
FLR
15h 15m
2 stops
$1,035Delta
Sat, Sep 12 - Wed, Sep 16
Delta Logo
6:30 am - 8:35 pm
FLR
-
STL
21h 05m
2 stops
Delta Logo
6:45 pm - 7:00 pm
STL
-
FLR
17h 15m
2 stops
$1,040Delta
Sat, Sep 12 - Wed, Sep 16
Multiple Airlines Logo
8:15 am - 8:38 pm
FLR
-
STL
19h 23m
2 stops
Multiple Airlines Logo
3:30 pm - 10:30 pm
STL
-
FLR
24h 00m
1 stop
$1,170Multiple Airlines
Sat, Sep 12 - Wed, Sep 16
Multiple Airlines Logo
6:25 am - 8:20 pm
FLR
-
STL
20h 55m
2 stops
Multiple Airlines Logo
8:55 am - 6:10 pm
STL
-
FLR
26h 15m
3 stops
$1,171Multiple Airlines
Wed, Sep 16 - Sat, Sep 26

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Air Canada flights from Florence to St. Louis

Our best Air Canada deals on Florence to St. Louis flight tickets
Air Canada
Sep 16
FLR6:30 amFlorence Peretola
19h 11m
2 stops
STL6:41 pmLambert-St Louis
Sep 26
STL8:55 amLambert-St Louis
17h 40m
2 stops
FLR9:35 amFlorence Peretola
$864
Air Canada
Sep 16
FLR6:30 amFlorence Peretola
19h 11m
2 stops
STL6:41 pmLambert-St Louis
Sep 25
STL8:55 amLambert-St Louis
26h 35m
2 stops
FLR6:30 pmFlorence Peretola
$928

Lufthansa flights from Florence to St. Louis

Our best Lufthansa deals on Florence to St. Louis flight tickets
Lufthansa
Sep 16
FLR6:30 amFlorence Peretola
13h 55m
1 stop
STL1:25 pmLambert-St Louis
Sep 26
STL7:01 pmLambert-St Louis
16h 29m
2 stops
FLR6:30 pmFlorence Peretola
$887
Lufthansa
Sep 16
FLR6:30 amFlorence Peretola
13h 55m
1 stop
STL1:25 pmLambert-St Louis
Sep 25
STL3:30 pmLambert-St Louis
20h 00m
1 stop
FLR6:30 pmFlorence Peretola
$889
Lufthansa
Sep 16
FLR1:40 pmFlorence Peretola
16h 19m
2 stops
STL10:59 pmLambert-St Louis
Sep 25
STL3:30 pmLambert-St Louis
20h 00m
1 stop
FLR6:30 pmFlorence Peretola
$892

momondo 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, momondo users made 832,500 searches. Data last updated July 20, 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

Wed 9/16

6:30 am-6:41 pm

2 stops19h 11m

Lambert-St Louis

Sat 9/26

8:55 am-9:35 am

2 stops17h 40m

$864
Quickest round-trip

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Wed 9/16

6:30 am-1:25 pm

1 stop13h 55m

Lambert-St Louis

Sat 9/26

7:01 pm-6:30 pm

2 stops16h 29m

$887

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Wed 9/16

6:30 am-1:25 pm

1 stop13h 55m

Lambert-St Louis

Fri 9/25

3:30 pm-6:30 pm

1 stop20h 00m

$889

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Wed 9/16

1:40 pm-10:59 pm

2 stops16h 19m

Lambert-St Louis

Fri 9/25

3:30 pm-6:30 pm

1 stop20h 00m

$892

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Wed 9/16

6:30 am-6:41 pm

2 stops19h 11m

Lambert-St Louis

Fri 9/25

8:55 am-6:30 pm

2 stops26h 35m

$928

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Wed 9/16

6:30 am-7:11 pm

2 stops19h 41m

Lambert-St Louis

Fri 9/25

1:29 pm-10:15 am

2 stops13h 46m

$936

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Sat 9/12

6:30 am-8:35 pm

2 stops21h 05m

Lambert-St Louis

Wed 9/16

1:55 pm-12:10 pm

2 stops15h 15m

$1,035

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Sat 9/12

6:30 am-8:35 pm

2 stops21h 05m

Lambert-St Louis

Wed 9/16

6:45 pm-7:00 pm

2 stops17h 15m

$1,040

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Sat 9/12

8:15 am-8:38 pm

2 stops19h 23m

Lambert-St Louis

Wed 9/16

3:30 pm-10:30 pm

1 stop24h 00m

$1,170

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Wed 9/16

6:25 am-8:20 pm

2 stops20h 55m

Lambert-St Louis

Sat 9/26

8:55 am-6:10 pm

3 stops26h 15m

$1,171

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to St. Louis from

How to get the cheapest flight ticket from Florence to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on Florence to St. Louis flights?

You could potentially save up to 16% on your flight if you consider stops on a Florence to St. Louis flight.

When to book flights from Florence to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Florence to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Florence to St. Louis (FLR to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Florence to St. Louis

Fastest flight time

13h 55m

Direct flights

None
The fastest flight from Florence to St. Louis takes 13h 55m
There are no direct flights from Florence to St. Louis. There are no popular flight routes from Florence to St. Louis.
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Frequently asked questions about flying from Florence to St. Louis

  • How far is Florence Peretola to Lambert-St Louis by plane?

    The distance between Florence Peretola and Lambert-St Louis is about 4926.2 mi. By plane, this route typically takes 13h 55m.

  • When did momondo last update prices for flights from Florence Peretola Airport to Lambert-St Louis Airport?

    Prices for flights from Florence Peretola Airport to Lambert-St Louis Airport refresh daily.

  • How old do you have to be to fly from Florence Peretola Airport to Lambert-St Louis Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Florence Peretola Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Fairview Heights
Hermann
Collinsville
Florissant
St. Peters
Maryland Heights
O'Fallon
Alton
Farmington
Wentzville
Clayton
Fenton
Festus
Eureka
Edwardsville
Litchfield
Grafton
Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from Florence to St. Louis?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Florence to St. Louis for you.

Can I find flights from Florence to St. Louis with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Florence to St. Louis flights to just show those with flexible booking policies.

How can momondo help me find flights from Florence to St. Louis?

Once all potential Florence to St. Louis flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Florence to St. Louis right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to St. Louis from Florence. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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