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Cheap flights from West Palm Beach to St. Louis from $105

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 4/29. 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.
American Airlines Logo
6:55 am - 12:48 pm
PBI
-
STL
6h 53m
1 stop
American Airlines Logo
7:00 am - 1:09 pm
STL
-
PBI
5h 09m
1 stop
$356American Airlines
Sun, May 10 - Wed, May 13
Southwest Logo
3:55 pm - 10:00 pm
PBI
-
STL
7h 05m
1 stop
Southwest Logo
3:25 pm - 9:55 pm
STL
-
PBI
5h 30m
1 stop
$361Southwest
Tue, Apr 21 - Fri, Apr 24
American Airlines Logo
1:59 pm - 7:30 pm
PBI
-
STL
6h 31m
1 stop
American Airlines Logo
6:00 am - 12:46 pm
STL
-
PBI
5h 46m
1 stop
$362American Airlines
Thu, Apr 30 - Mon, May 4
Southwest Logo
7:10 am - 10:50 am
PBI
-
STL
4h 40m
1 stop
Southwest Logo
1:45 pm - 9:55 pm
STL
-
PBI
7h 10m
2 stops
$366Southwest
Tue, Apr 21 - Fri, Apr 24
Southwest Logo
7:10 am - 3:15 pm
PBI
-
STL
9h 05m
2 stops
Southwest Logo
6:00 am - 3:20 pm
STL
-
PBI
8h 20m
2 stops
$371Southwest
Tue, Apr 21 - Sun, Apr 26
Delta Logo
9:00 am - 12:20 pm
PBI
-
STL
4h 20m
1 stop
Delta Logo
7:01 pm - 12:48 am
STL
-
PBI
4h 47m
1 stop
$372Delta
Wed, May 13 - Sun, May 17
Delta Logo
7:38 pm - 11:56 pm
PBI
-
STL
5h 18m
1 stop
Delta Logo
7:12 pm - 12:51 am
STL
-
PBI
4h 39m
1 stop
$375Delta
Thu, Jun 18 - Mon, Jun 22
Southwest Logo
6:10 am - 2:10 pm
PBI
-
STL
9h 00m
2 stops
Southwest Logo
5:40 am - 2:00 pm
STL
-
PBI
7h 20m
2 stops
$383Southwest
Thu, Jun 18 - Tue, Jun 23
United Airlines Logo
6:00 am - 3:46 pm
PBI
-
STL
10h 46m
2 stops
United Airlines Logo
7:30 am - 3:15 pm
STL
-
PBI
6h 45m
1 stop
$386United Airlines
Wed, Aug 5 - Mon, Aug 24
Delta Logo
6:00 am - 12:20 pm
PBI
-
STL
7h 20m
1 stop
Delta Logo
7:01 pm - 12:48 am
STL
-
PBI
4h 47m
1 stop
$387Delta
Wed, May 13 - Sun, May 17

American Airlines flights from West Palm Beach to St. Louis

Our best American Airlines deals on West Palm Beach to St. Louis flight tickets
American Airlines
May 10
PBI6:55 amPalm Beach Intl
6h 53m
1 stop
STL12:48 pmLambert-St Louis
May 13
STL7:00 amLambert-St Louis
5h 09m
1 stop
PBI1:09 pmPalm Beach Intl
$356
American Airlines
Apr 30
PBI1:59 pmPalm Beach Intl
6h 31m
1 stop
STL7:30 pmLambert-St Louis
May 4
STL6:00 amLambert-St Louis
5h 46m
1 stop
PBI12:46 pmPalm Beach Intl
$362
American Airlines
Apr 17
PBI12:24 pmPalm Beach Intl
8h 35m
1 stop
STL7:59 pmLambert-St Louis
Apr 21
STL5:51 amLambert-St Louis
7h 02m
1 stop
PBI1:53 pmPalm Beach Intl
$406

Delta flights from West Palm Beach to St. Louis

Our best Delta deals on West Palm Beach to St. Louis flight tickets
Delta
May 13
PBI9:00 amPalm Beach Intl
4h 20m
1 stop
STL12:20 pmLambert-St Louis
May 17
STL7:01 pmLambert-St Louis
4h 47m
1 stop
PBI12:48 amPalm Beach Intl
$372
Delta
Jun 18
PBI7:38 pmPalm Beach Intl
5h 18m
1 stop
STL11:56 pmLambert-St Louis
Jun 22
STL7:12 pmLambert-St Louis
4h 39m
1 stop
PBI12:51 amPalm Beach Intl
$375
Delta
May 13
PBI6:00 amPalm Beach Intl
7h 20m
1 stop
STL12:20 pmLambert-St Louis
May 17
STL7:01 pmLambert-St Louis
4h 47m
1 stop
PBI12:48 amPalm Beach Intl
$387

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 April 8, 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

Sun 5/10

6:55 am-12:48 pm

1 stop6h 53m

Lambert-St Louis

Wed 5/13

7:00 am-1:09 pm

1 stop5h 09m

$356

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Tue 4/21

3:55 pm-10:00 pm

1 stop7h 05m

Lambert-St Louis

Fri 4/24

3:25 pm-9:55 pm

1 stop5h 30m

$361

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Thu 4/30

1:59 pm-7:30 pm

1 stop6h 31m

Lambert-St Louis

Mon 5/4

6:00 am-12:46 pm

1 stop5h 46m

$362

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Tue 4/21

7:10 am-10:50 am

1 stop4h 40m

Lambert-St Louis

Fri 4/24

1:45 pm-9:55 pm

2 stops7h 10m

$366

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Tue 4/21

7:10 am-3:15 pm

2 stops9h 05m

Lambert-St Louis

Sun 4/26

6:00 am-3:20 pm

2 stops8h 20m

$371
Quickest round-trip

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Wed 5/13

9:00 am-12:20 pm

1 stop4h 20m

Lambert-St Louis

Sun 5/17

7:01 pm-12:48 am

1 stop4h 47m

$372

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Thu 6/18

7:38 pm-11:56 pm

1 stop5h 18m

Lambert-St Louis

Mon 6/22

7:12 pm-12:51 am

1 stop4h 39m

$375

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Thu 6/18

6:10 am-2:10 pm

2 stops9h 00m

Lambert-St Louis

Tue 6/23

5:40 am-2:00 pm

2 stops7h 20m

$383

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Wed 8/5

6:00 am-3:46 pm

2 stops10h 46m

Lambert-St Louis

Mon 8/24

7:30 am-3:15 pm

1 stop6h 45m

$386

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Wed 5/13

6:00 am-12:20 pm

1 stop7h 20m

Lambert-St Louis

Sun 5/17

7:01 pm-12:48 am

1 stop4h 47m

$387

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, August 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 $326. The month of July 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 37m

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 37m
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 37m, 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
8,388 reviews
Search Delta flights
SouthwestPriceFrom $235Free CancellationRating
8.0
4,336 reviews
Search Southwest flights
American AirlinesPriceFrom $284Free CancellationRating
7.1
11,548 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
Wentzville
Alton
Fenton
Farmington
Clayton
Festus
Eureka
Edwardsville
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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