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Cheap flights from West Palm Beach to St. Louis from $142

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 9/15. 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

Discover deals from 900+ travel sites with momondo.

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
2:13 pm - 10:00 pm
PBI
-
STL
8h 47m
1 stop
American Airlines Logo
9:47 am - 5:21 pm
STL
-
PBI
6h 34m
1 stop
$333American Airlines
Tue, Oct 20 - Tue, Oct 27
Southwest Logo
2:45 pm - 11:05 pm
PBI
-
STL
9h 20m
2 stops
Southwest Logo
3:35 pm - 10:15 pm
STL
-
PBI
5h 40m
1 stop
$338Southwest
Wed, Jul 22 - Wed, Jul 29
Southwest Logo
6:00 am - 12:35 pm
PBI
-
STL
7h 35m
2 stops
Southwest Logo
1:45 pm - 10:15 pm
STL
-
PBI
7h 30m
2 stops
$343Southwest
Wed, Jul 22 - Wed, Jul 29
Southwest Logo
6:30 am - 3:20 pm
PBI
-
STL
9h 50m
2 stops
Southwest Logo
1:40 pm - 8:00 pm
STL
-
PBI
5h 20m
1 stop
$344Southwest
Sat, Aug 1 - Wed, Aug 5
Delta Logo
9:00 am - 2:48 pm
PBI
-
STL
6h 48m
1 stop
Delta Logo
6:00 am - 1:05 pm
STL
-
PBI
6h 05m
1 stop
$349Delta
Wed, Jul 29 - Wed, Aug 5
American Airlines Logo
9:10 am - 1:02 pm
PBI
-
STL
4h 52m
1 stop
American Airlines Logo
6:36 am - 1:33 pm
STL
-
PBI
5h 57m
1 stop
$353American Airlines
Thu, Aug 6 - Tue, Aug 11
Delta Logo
6:00 am - 12:30 pm
PBI
-
STL
7h 30m
1 stop
Delta Logo
6:00 am - 1:05 pm
STL
-
PBI
6h 05m
1 stop
$357Delta
Sat, Aug 1 - Wed, Aug 5
Southwest Logo
6:55 am - 11:35 am
PBI
-
STL
5h 40m
1 stop
Southwest Logo
6:30 am - 3:05 pm
STL
-
PBI
7h 35m
2 stops
$358Southwest
Thu, Aug 6 - Tue, Aug 11
United Airlines Logo
5:15 pm - 11:44 pm
PBI
-
STL
7h 29m
1 stop
United Airlines Logo
6:14 am - 3:56 pm
STL
-
PBI
8h 42m
1 stop
$359United Airlines
Mon, Jul 27 - Tue, Jul 28
American Airlines Logo
1:49 pm - 8:03 pm
PBI
-
STL
7h 14m
1 stop
American Airlines Logo
5:10 am - 12:58 pm
STL
-
PBI
6h 48m
1 stop
$362American Airlines
Sat, Jul 25 - Mon, Jul 27

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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
Jul 27
PBI5:15 pmPalm Beach Intl
7h 29m
1 stop
STL11:44 pmLambert-St Louis
Jul 28
STL6:14 amLambert-St Louis
8h 42m
1 stop
PBI3:56 pmPalm Beach Intl
$359
United Airlines
Aug 13
PBI4:15 pmPalm Beach Intl
7h 44m
1 stop
STL10:59 pmLambert-St Louis
Aug 16
STL8:00 amLambert-St Louis
6h 09m
1 stop
PBI3:09 pmPalm Beach Intl
$382
United Airlines
Sep 1
PBI4:15 pmPalm Beach Intl
6h 45m
1 stop
STL10:00 pmLambert-St Louis
Sep 2
STL7:25 amLambert-St Louis
6h 44m
1 stop
PBI3:09 pmPalm Beach Intl
$423

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
Oct 20
PBI2:13 pmPalm Beach Intl
8h 47m
1 stop
STL10:00 pmLambert-St Louis
Oct 27
STL9:47 amLambert-St Louis
6h 34m
1 stop
PBI5:21 pmPalm Beach Intl
$333
American Airlines
Aug 6
PBI9:10 amPalm Beach Intl
4h 52m
1 stop
STL1:02 pmLambert-St Louis
Aug 11
STL6:36 amLambert-St Louis
5h 57m
1 stop
PBI1:33 pmPalm Beach Intl
$353
American Airlines
Jul 25
PBI1:49 pmPalm Beach Intl
7h 14m
1 stop
STL8:03 pmLambert-St Louis
Jul 27
STL5:10 amLambert-St Louis
6h 48m
1 stop
PBI12:58 pmPalm Beach Intl
$362

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 June 23, 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

Tue 10/20

2:13 pm-10:00 pm

1 stop8h 47m

Lambert-St Louis

Tue 10/27

9:47 am-5:21 pm

1 stop6h 34m

$333

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Wed 7/22

2:45 pm-11:05 pm

2 stops9h 20m

Lambert-St Louis

Wed 7/29

3:35 pm-10:15 pm

1 stop5h 40m

$338

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Wed 7/22

6:00 am-12:35 pm

2 stops7h 35m

Lambert-St Louis

Wed 7/29

1:45 pm-10:15 pm

2 stops7h 30m

$343

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Sat 8/1

6:30 am-3:20 pm

2 stops9h 50m

Lambert-St Louis

Wed 8/5

1:40 pm-8:00 pm

1 stop5h 20m

$344

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Wed 7/29

9:00 am-2:48 pm

1 stop6h 48m

Lambert-St Louis

Wed 8/5

6:00 am-1:05 pm

1 stop6h 05m

$349
Quickest round-trip

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Thu 8/6

9:10 am-1:02 pm

1 stop4h 52m

Lambert-St Louis

Tue 8/11

6:36 am-1:33 pm

1 stop5h 57m

$353

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Sat 8/1

6:00 am-12:30 pm

1 stop7h 30m

Lambert-St Louis

Wed 8/5

6:00 am-1:05 pm

1 stop6h 05m

$357

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Thu 8/6

6:55 am-11:35 am

1 stop5h 40m

Lambert-St Louis

Tue 8/11

6:30 am-3:05 pm

2 stops7h 35m

$358

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Mon 7/27

5:15 pm-11:44 pm

1 stop7h 29m

Lambert-St Louis

Tue 7/28

6:14 am-3:56 pm

1 stop8h 42m

$359

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Sat 7/25

1:49 pm-8:03 pm

1 stop7h 14m

Lambert-St Louis

Mon 7/27

5:10 am-12:58 pm

1 stop6h 48m

$362

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 $334. The month of February is another great option to travel to St. Louis, with average flight prices from West Palm Beach averaging around $358.

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 West Palm Beach to St. Louis flights?

There is only 1 cabin class available to choose from on West Palm Beach to 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 June 2026, prices for West Palm Beach to St. Louis flights are approximately 17% 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

Fastest flight time

4h 43m

Direct flights

None
The fastest flight from West Palm Beach to St. Louis takes 4h 43m
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 43m, 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
7.8
8,424 reviews
Search Delta flights
American AirlinesPriceFrom $282Free CancellationRating
7.1
11,746 reviews
Search American Airlines flights
SouthwestPriceFrom $351Free CancellationRating
7.9
4,242 reviews
Search Southwest 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
Fairview Heights
Hermann
Maryland Heights
Florissant
O'Fallon
Collinsville
St. Peters
Alton
Wentzville
Farmington
Fenton
Clayton
Festus
Eureka
Litchfield
Edwardsville
Grafton
Shrewsbury

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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