Cheap flights from Florence to St. Louis from $504

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 9/23. 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
0 bags

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Find the cheapest flights from Florence to St. Louis

Cheap round-trip flights

Delta Logo
7:00 am - 4:48 pmFLR-STL
16h 48m2 stops
Delta Logo
4:10 pm - 5:20 pmSTL-FLR
18h 10m2 stops
$779Delta
Find Deal
Sat, Sep 13 - Sat, Sep 20
United Airlines Logo
8:15 am - 9:57 amFLR-STL
32h 42m2 stops
United Airlines Logo
3:20 pm - 4:45 pmSTL-FLR
42h 25m3 stops
$803United Airlines
Find Deal
Sat, Sep 13 - Sat, Sep 20
 Logo
2:45 pm - 1:30 pmFLR-STL
29h 45m1 stop
 Logo
4:05 pm - 10:45 pmSTL-FLR
23h 40m2 stops
$1,215
Find Deal
Sat, Sep 13 - Sat, Sep 20
 Logo
3:30 pm - 7:38 pmFLR-STL
35h 08m3 stops
 Logo
1:30 pm - 10:40 pmSTL-FLR
26h 10m3 stops
$1,299
Find Deal
Sat, Sep 13 - Sat, Sep 20

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 31, 2025.
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

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Sat 9/13

7:00 am-4:48 pm

2 stops16h 48m

Lambert-St Louis

Sat 9/20

4:10 pm-5:20 pm

2 stops18h 10m

$779

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Sat 9/13

8:15 am-9:57 am

2 stops32h 42m

Lambert-St Louis

Sat 9/20

3:20 pm-4:45 pm

3 stops42h 25m

$803

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Sat 9/13

2:45 pm-1:30 pm

1 stop29h 45m

Lambert-St Louis

Sat 9/20

4:05 pm-10:45 pm

2 stops23h 40m

$1,215

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Sat 9/13

3:30 pm-7:38 pm

3 stops35h 08m

Lambert-St Louis

Sat 9/20

1:30 pm-10:40 pm

3 stops26h 10m

$1,299

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Tue 9/23

6:30 pm-3:04 pm

3 stops51h 34m

$504

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Sun 9/14

6:25 am-1:02 pm

2 stops37h 37m

$525

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Sat 9/27

7:00 pm-1:02 pm

3 stops49h 02m

$577

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Sun 9/14

6:25 am-9:06 am

3 stops33h 41m

$609

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Sat 9/27

6:55 am-1:07 pm

2 stops37h 12m

$616

FlorenceSt. Louis

FLR - STL

FLRSTL

Florence Peretola

Tue 9/23

6:40 am-3:44 pm

2 stops16h 04m

$737

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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

What is the cheapest airline that flies from Florence Peretola to Lambert-St Louis?

Lufthansa is the most popular carrier operating from Florence Peretola to Lambert-St Louis

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

Best Price Found

$504

Fastest flight time

13h 50m

Direct flights

None

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Florence in the past 72 hours is $504. The best round-trip flight deal from Florence to St. Louis found on momondo in the last 72 hours is $779.
The fastest flight from Florence to St. Louis takes 13h 50m
There are no direct flights from Florence to St. Louis. Popular non-direct route for this connection is Florence Peretola Airport - Lambert-St Louis Airport.
There is 1 airport near St. Louis: Lambert-St Louis (STL)

  • 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 16h 48m.

  • 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
Hermann
Fairview Heights
Maryland Heights
Florissant
Fenton
Collinsville
O'Fallon
Alton
St. Peters
Farmington
Wentzville
Festus
Glencoe
Eureka
Edwardsville
Clayton
Shrewsbury
Grafton

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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1 adult
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