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Cheap flights from West Palm Beach to St. Louis from $100

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from West Palm Beach to St. Louis departing on 4/9. 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

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Find the cheapest flights from West Palm Beach to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
6:20 am - 9:50 am
PBI
-
STL
4h 30m
1 stop
Southwest Logo
1:15 pm - 9:20 pm
STL
-
PBI
7h 05m
1 stop
$260Southwest
Sat, May 2 - Tue, May 5
Southwest Logo
7:00 am - 1:35 pm
PBI
-
STL
7h 35m
2 stops
Southwest Logo
3:55 pm - 9:50 pm
STL
-
PBI
4h 55m
1 stop
$265Southwest
Sat, May 2 - Tue, May 5
Southwest Logo
7:00 am - 1:35 pm
PBI
-
STL
7h 35m
2 stops
Southwest Logo
5:35 am - 3:15 pm
STL
-
PBI
8h 40m
2 stops
$271Southwest
Sat, May 2 - Tue, May 5
American Airlines Logo
1:59 pm - 7:30 pm
PBI
-
STL
6h 31m
1 stop
American Airlines Logo
1:29 pm - 11:00 pm
STL
-
PBI
8h 31m
1 stop
$283American Airlines
Thu, Apr 23 - Thu, Apr 30
American Airlines Logo
6:46 pm - 11:46 pm
PBI
-
STL
6h 00m
1 stop
American Airlines Logo
11:25 am - 7:09 pm
STL
-
PBI
6h 44m
1 stop
$284American Airlines
Thu, Apr 16 - Mon, Apr 20
American Airlines Logo
1:02 pm - 8:30 pm
PBI
-
STL
8h 28m
1 stop
American Airlines Logo
6:00 am - 1:56 pm
STL
-
PBI
6h 56m
1 stop
$286American Airlines
Thu, May 28 - Sat, May 30
Frontier Logo
12:17 pm - 5:34 pm
PBI
-
STL
6h 17m
1 stop
Frontier Logo
11:33 am - 6:36 pm
STL
-
PBI
6h 03m
1 stop
$291Frontier
Thu, Apr 9 - Sun, Apr 12
American Airlines Logo
5:25 pm - 11:54 pm
PBI
-
STL
7h 29m
2 stops
American Airlines Logo
6:00 am - 1:56 pm
STL
-
PBI
6h 56m
1 stop
$292American Airlines
Thu, May 28 - Sat, May 30
Frontier Logo
7:32 pm - 11:25 pm
PBI
-
STL
28h 53m
2 stops
Frontier Logo
11:33 am - 6:36 pm
STL
-
PBI
6h 03m
1 stop
$320Frontier
Tue, Apr 7 - Sun, Apr 12
Southwest Logo
5:50 pm - 11:40 pm
PBI
-
STL
6h 50m
1 stop
Southwest Logo
3:25 pm - 9:55 pm
STL
-
PBI
5h 30m
1 stop
$322Southwest
Thu, Apr 9 - Mon, Apr 13

Southwest flights from West Palm Beach to St. Louis

Our best Southwest deals on West Palm Beach to St. Louis flight tickets
Southwest
May 2
PBI6:20 amPalm Beach Intl
4h 30m
1 stop
STL9:50 amLambert-St Louis
May 5
STL1:15 pmLambert-St Louis
7h 05m
1 stop
PBI9:20 pmPalm Beach Intl
$260
Southwest
May 2
PBI7:00 amPalm Beach Intl
7h 35m
2 stops
STL1:35 pmLambert-St Louis
May 5
STL3:55 pmLambert-St Louis
4h 55m
1 stop
PBI9:50 pmPalm Beach Intl
$265
Southwest
May 2
PBI7:00 amPalm Beach Intl
7h 35m
2 stops
STL1:35 pmLambert-St Louis
May 5
STL5:35 amLambert-St Louis
8h 40m
2 stops
PBI3:15 pmPalm Beach Intl
$271

Frontier flights from West Palm Beach to St. Louis

Our best Frontier deals on West Palm Beach to St. Louis flight tickets
Frontier
Apr 2
PBI12:17 pmPalm Beach Intl
6h 17m
1 stop
STL5:34 pmLambert-St Louis
Apr 7
STL11:21 amLambert-St Louis
6h 15m
1 stop
PBI6:36 pmPalm Beach Intl
$225
Frontier
Apr 2
PBI12:17 pmPalm Beach Intl
6h 17m
1 stop
STL5:34 pmLambert-St Louis
Apr 5
STL11:21 amLambert-St Louis
6h 15m
1 stop
PBI6:36 pmPalm Beach Intl
$250
Frontier
Apr 9
PBI12:17 pmPalm Beach Intl
6h 17m
1 stop
STL5:34 pmLambert-St Louis
Apr 12
STL11:33 amLambert-St Louis
6h 03m
1 stop
PBI6:36 pmPalm Beach Intl
$291

momondo Fare Finder

 
Customize your flight search to find flights from West Palm Beach 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 March 25, 2026.
Use the filters below to find and compare flights from West Palm Beach to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Sat 5/2

6:20 am-9:50 am

1 stop4h 30m

Lambert-St Louis

Tue 5/5

1:15 pm-9:20 pm

1 stop7h 05m

$260

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Sat 5/2

7:00 am-1:35 pm

2 stops7h 35m

Lambert-St Louis

Tue 5/5

3:55 pm-9:50 pm

1 stop4h 55m

$265

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Sat 5/2

7:00 am-1:35 pm

2 stops7h 35m

Lambert-St Louis

Tue 5/5

5:35 am-3:15 pm

2 stops8h 40m

$271

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Thu 4/23

1:59 pm-7:30 pm

1 stop6h 31m

Lambert-St Louis

Thu 4/30

1:29 pm-11:00 pm

1 stop8h 31m

$283

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Thu 4/16

6:46 pm-11:46 pm

1 stop6h 00m

Lambert-St Louis

Mon 4/20

11:25 am-7:09 pm

1 stop6h 44m

$284

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Thu 5/28

1:02 pm-8:30 pm

1 stop8h 28m

Lambert-St Louis

Sat 5/30

6:00 am-1:56 pm

1 stop6h 56m

$286

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Thu 4/9

12:17 pm-5:34 pm

1 stop6h 17m

Lambert-St Louis

Sun 4/12

11:33 am-6:36 pm

1 stop6h 03m

$291

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Thu 5/28

5:25 pm-11:54 pm

2 stops7h 29m

Lambert-St Louis

Sat 5/30

6:00 am-1:56 pm

1 stop6h 56m

$292

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Tue 4/7

7:32 pm-11:25 pm

2 stops28h 53m

Lambert-St Louis

Sun 4/12

11:33 am-6:36 pm

1 stop6h 03m

$320

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Thu 4/9

5:50 pm-11:40 pm

1 stop6h 50m

Lambert-St Louis

Mon 4/13

3:25 pm-9:55 pm

1 stop5h 30m

$322

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 West Palm Beach 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 month to fly to St. Louis?

In general, July is the cheapest month to fly from West Palm Beach to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $328. The month of August is another great option to travel to St. Louis, with average flight prices from West Palm Beach averaging around $331.

What is the cheapest Palm Beach Intl to Lambert-St Louis flight route?

Fly from Palm Beach Intl to Lambert-St Louis for the best Palm Beach Intl - Lambert-St Louis flight prices

What cabin class options are available on Palm Beach Intl to Lambert-St Louis flights?

There is only 1 cabin class available to choose from on Palm Beach Intl to Lambert-St Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have West Palm Beach to St. Louis flight prices changed over time?

As of March 2026, prices for West Palm Beach to St. Louis flights are approximately 123% more expensive when compared to flights at the same time last year.

When to book flights from West Palm Beach to St. Louis

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

Cheap West Palm Beach to St. Louis (PBI to STL) flight deals and tips

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

Fastest flight time

2h 55m

Direct flights

Mon, Tue, Wed and Sun

Airports in St. Louis

1 airport
The fastest flight from West Palm Beach to St. Louis takes 2h 55m
Direct flights go from West Palm Beach to St. Louis on Monday, Tuesday, Wednesday and Sunday. There are no airlines offering direct flights.
There is 1 airport in St. Louis. From West Palm Beach there are direct flights to Lambert-St Louis (STL).
Search flight deals

  • How far is Palm Beach Intl to Lambert-St Louis by plane?

    Lambert-St Louis is 1010.8 mi away from Palm Beach Intl. Flights usually cover this in 2h 55m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Palm Beach Intl Airport to Lambert-St Louis Airport?

    Prices for flights from Palm Beach Intl Airport to Lambert-St Louis Airport were last updated today.

  • How many operators does momondo search for flights from Palm Beach Intl Airport to Lambert-St Louis Airport?

  • How old do you have to be to fly from Palm Beach Intl 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 Palm Beach Intl Airport to Lambert-St Louis Airport.

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

    The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from West Palm Beach to St. Louis?

  • What is the most popular airline from West Palm Beach to St. Louis?

Best airlines flying from West Palm Beach to St. Louis

Compare and see reviews for airlines that fly from West Palm Beach to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $196Free CancellationRating
7.9
8,327 reviews
Search Delta flights
American AirlinesPriceFrom $284Free CancellationRating
7.1
11,494 reviews
Search American Airlines flights

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

Why use momondo?

Why should I use momondo to find a flight deal from West Palm Beach 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 West Palm Beach to St. Louis for you.

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

Yes. momondo enables you to select and highlight flights to St. Louis from West Palm Beach with this policy.

How can momondo help me find flights from West Palm Beach to St. Louis?

momondo helps you find the best flight between West Palm Beach and St. Louis by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to St. Louis from West Palm Beach. 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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