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Cheap flights from West Palm Beach to St. Louis from $110

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 5/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
United Airlines Logo
4:09 pm - 9:16 pm
PBI
-
STL
6h 07m
1 stop
United Airlines Logo
6:00 am - 4:09 pm
STL
-
PBI
9h 09m
1 stop
$346United Airlines
อ., มิ.ย. 2 - พ., มิ.ย. 3
Southwest Logo
7:10 am - 10:50 am
PBI
-
STL
4h 40m
1 stop
Southwest Logo
3:55 pm - 9:50 pm
STL
-
PBI
4h 55m
1 stop
$351Southwest
อ., มิ.ย. 2 - อ., มิ.ย. 2
American Airlines Logo
6:55 am - 12:48 pm
PBI
-
STL
6h 53m
1 stop
American Airlines Logo
6:00 am - 12:46 pm
STL
-
PBI
5h 46m
1 stop
$356American Airlines
อา., พ.ค. 10 - พ., พ.ค. 13
Delta Logo
6:00 am - 9:44 am
PBI
-
STL
4h 44m
1 stop
Delta Logo
1:27 pm - 6:32 pm
STL
-
PBI
4h 05m
1 stop
$359Delta
อ., มิ.ย. 2 - พ., มิ.ย. 3
United Airlines Logo
5:03 pm - 10:30 pm
PBI
-
STL
6h 27m
1 stop
United Airlines Logo
8:21 am - 3:14 pm
STL
-
PBI
5h 53m
1 stop
$361United Airlines
พฤ., เม.ย. 30 - อา., พ.ค. 3
United Airlines Logo
4:15 pm - 9:52 pm
PBI
-
STL
6h 37m
1 stop
United Airlines Logo
8:21 am - 7:08 pm
STL
-
PBI
9h 47m
2 stops
$362United Airlines
อ., เม.ย. 28 - พ., เม.ย. 29
American Airlines Logo
6:55 am - 12:48 pm
PBI
-
STL
6h 53m
1 stop
American Airlines Logo
2:12 pm - 9:30 pm
STL
-
PBI
6h 18m
1 stop
$363American Airlines
พฤ., พ.ค. 7 - จ., พ.ค. 11
Southwest Logo
6:20 am - 12:50 pm
PBI
-
STL
7h 30m
2 stops
Southwest Logo
5:00 am - 2:30 pm
STL
-
PBI
8h 30m
1 stop
$366Southwest
พฤ., เม.ย. 30 - ศ., พ.ค. 1
Delta Logo
6:00 am - 9:44 am
PBI
-
STL
4h 44m
1 stop
Delta Logo
5:24 pm - 11:46 pm
STL
-
PBI
5h 22m
1 stop
$367Delta
พ., มิ.ย. 3 - จ., มิ.ย. 8
Southwest Logo
6:20 am - 12:50 pm
PBI
-
STL
7h 30m
2 stops
Southwest Logo
2:15 pm - 9:55 pm
STL
-
PBI
6h 40m
2 stops
$371Southwest
พฤ., เม.ย. 23 - จ., เม.ย. 27

United Airlines flights from West Palm Beach to St. Louis

Our best United Airlines deals on West Palm Beach to St. Louis flight tickets
United Airlines
Jun 2
PBI4:09 pmPalm Beach Intl
6h 07m
1 stop
STL9:16 pmLambert-St Louis
Jun 3
STL6:00 amLambert-St Louis
9h 09m
1 stop
PBI4:09 pmPalm Beach Intl
$346
United Airlines
Apr 30
PBI5:03 pmPalm Beach Intl
6h 27m
1 stop
STL10:30 pmLambert-St Louis
May 3
STL8:21 amLambert-St Louis
5h 53m
1 stop
PBI3:14 pmPalm Beach Intl
$361
United Airlines
Apr 28
PBI4:15 pmPalm Beach Intl
6h 37m
1 stop
STL9:52 pmLambert-St Louis
Apr 29
STL8:21 amLambert-St Louis
9h 47m
2 stops
PBI7:08 pmPalm Beach Intl
$362

Southwest flights from West Palm Beach to St. Louis

Our best Southwest deals on West Palm Beach to St. Louis flight tickets
Southwest
Jun 2
PBI7:10 amPalm Beach Intl
4h 40m
1 stop
STL10:50 amLambert-St Louis
Jun 2
STL3:55 pmLambert-St Louis
4h 55m
1 stop
PBI9:50 pmPalm Beach Intl
$351
Southwest
Apr 27
PBI6:20 amPalm Beach Intl
4h 55m
1 stop
STL10:15 amLambert-St Louis
May 5
STL6:35 amLambert-St Louis
6h 45m
1 stop
PBI2:20 pmPalm Beach Intl
$356
Southwest
Apr 27
PBI6:25 pmPalm Beach Intl
6h 00m
1 stop
STL11:25 pmLambert-St Louis
May 5
STL11:35 amLambert-St Louis
9h 15m
2 stops
PBI9:50 pmPalm Beach Intl
$361

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 เมษายน 13, 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

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

อ. 6/2

4:09 pm-9:16 pm

1 stop6h 07m

Lambert-St Louis

พ. 6/3

6:00 am-4:09 pm

1 stop9h 09m

$346

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

อ. 6/2

7:10 am-10:50 am

1 stop4h 40m

Lambert-St Louis

อ. 6/2

3:55 pm-9:50 pm

1 stop4h 55m

$351

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

อา. 5/10

6:55 am-12:48 pm

1 stop6h 53m

Lambert-St Louis

พ. 5/13

6:00 am-12:46 pm

1 stop5h 46m

$356
Quickest round-trip

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

อ. 6/2

6:00 am-9:44 am

1 stop4h 44m

Lambert-St Louis

พ. 6/3

1:27 pm-6:32 pm

1 stop4h 05m

$359

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

พฤ. 4/30

5:03 pm-10:30 pm

1 stop6h 27m

Lambert-St Louis

อา. 5/3

8:21 am-3:14 pm

1 stop5h 53m

$361

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

อ. 4/28

4:15 pm-9:52 pm

1 stop6h 37m

Lambert-St Louis

พ. 4/29

8:21 am-7:08 pm

2 stops9h 47m

$362

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

พฤ. 5/7

6:55 am-12:48 pm

1 stop6h 53m

Lambert-St Louis

จ. 5/11

2:12 pm-9:30 pm

1 stop6h 18m

$363

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

พฤ. 4/30

6:20 am-12:50 pm

2 stops7h 30m

Lambert-St Louis

ศ. 5/1

5:00 am-2:30 pm

1 stop8h 30m

$366

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

พ. 6/3

6:00 am-9:44 am

1 stop4h 44m

Lambert-St Louis

จ. 6/8

5:24 pm-11:46 pm

1 stop5h 22m

$367

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

พฤ. 4/23

6:20 am-12:50 pm

2 stops7h 30m

Lambert-St Louis

จ. 4/27

2:15 pm-9:55 pm

2 stops6h 40m

$371

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 typical price of a round-trip flight between West Palm Beach and St. Louis?

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 $328.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from West Palm Beach at noon is the least expensive time of day to depart. momondo users have found prices as low as $527 when looking at flights departing at noon. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $582 per ticket.

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 April 2026, prices for West Palm Beach to St. Louis flights are approximately 34% cheaper 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

Best Price Found

$253

Fastest flight time

4h 22m

Direct flights

None
The best one-way flight to St. Louis from West Palm Beach in the past 72 hours is $253. The best round-trip flight deal from West Palm Beach to St. Louis found on momondo in the last 72 hours is $478.
The fastest flight from West Palm Beach to St. Louis takes 4h 22m
There are no direct flights from West Palm Beach to St. Louis. Popular non-direct route for this connection is Palm Beach Intl Airport - Lambert-St Louis Airport.
Search flight deals

Frequently asked questions about flying from West Palm Beach to St. Louis

  • 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 4h 22m, 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 $124Free CancellationRating
7.9
8,406 reviews
Search Delta flights
SouthwestPriceFrom $235Free CancellationRating
8.0
4,331 reviews
Search Southwest flights
American AirlinesPriceFrom $284Free CancellationRating
7.1
11,568 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
Maryland Heights
O'Fallon
Florissant
St. Peters
Collinsville
Alton
Wentzville
Fenton
Farmington
Clayton
Festus
Eureka
Litchfield
Edwardsville
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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