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Cheap flights from West Palm Beach to St. Louis from $121

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 9/12. 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
7:00 am - 12:03 pm
PBI
-
STL
6h 03m
1 stop
American Airlines Logo
10:12 am - 6:34 pm
STL
-
PBI
7h 22m
1 stop
$333American Airlines
Tue, Oct 20 - Tue, Oct 27
Southwest Logo
6:50 am - 1:35 pm
PBI
-
STL
7h 45m
2 stops
Southwest Logo
7:15 am - 3:05 pm
STL
-
PBI
6h 50m
1 stop
$338Southwest
Sat, Sep 12 - Wed, Sep 16
American Airlines Logo
2:57 pm - 9:08 pm
PBI
-
STL
7h 11m
1 stop
American Airlines Logo
5:00 am - 11:04 am
STL
-
PBI
5h 04m
1 stop
$339American Airlines
Mon, Nov 2 - Thu, Nov 12
Southwest Logo
6:50 am - 1:35 pm
PBI
-
STL
7h 45m
2 stops
Southwest Logo
10:15 am - 7:50 pm
STL
-
PBI
8h 35m
2 stops
$343Southwest
Sat, Sep 12 - Wed, Sep 16
Southwest Logo
4:20 pm - 8:40 pm
PBI
-
STL
5h 20m
1 stop
Southwest Logo
3:45 pm - 8:40 pm
STL
-
PBI
3h 55m
1 stop
$348Southwest
Sat, Aug 15 - Mon, Aug 17
United Airlines Logo
3:58 pm - 9:26 pm
PBI
-
STL
6h 28m
1 stop
United Airlines Logo
8:00 am - 3:09 pm
STL
-
PBI
6h 09m
1 stop
$353United Airlines
Mon, Aug 10 - Wed, Aug 12
American Airlines Logo
6:38 pm - 10:40 pm
PBI
-
STL
5h 02m
1 stop
American Airlines Logo
6:00 am - 1:27 pm
STL
-
PBI
6h 27m
1 stop
$354American Airlines
Sat, Aug 15 - Mon, Aug 17
Southwest Logo
7:20 am - 3:20 pm
PBI
-
STL
9h 00m
2 stops
Southwest Logo
1:40 pm - 8:00 pm
STL
-
PBI
5h 20m
1 stop
$358Southwest
Mon, Aug 10 - Wed, Aug 12
Delta Logo
12:55 pm - 6:15 pm
PBI
-
STL
6h 20m
1 stop
Delta Logo
1:30 pm - 7:30 pm
STL
-
PBI
5h 00m
1 stop
$359Delta
Mon, Nov 2 - Thu, Nov 12
American Airlines Logo
6:44 pm - 11:58 pm
PBI
-
STL
6h 14m
1 stop
American Airlines Logo
5:32 am - 1:23 pm
STL
-
PBI
6h 51m
1 stop
$362American Airlines
Mon, Jul 13 - Tue, Jul 28

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Southwest flights from West Palm Beach to St. Louis

Our best Southwest deals on West Palm Beach to St. Louis flight tickets
Southwest
Sep 12
PBI6:50 amPalm Beach Intl
7h 45m
2 stops
STL1:35 pmLambert-St Louis
Sep 16
STL7:15 amLambert-St Louis
6h 50m
1 stop
PBI3:05 pmPalm Beach Intl
$338
Southwest
Sep 12
PBI6:50 amPalm Beach Intl
7h 45m
2 stops
STL1:35 pmLambert-St Louis
Sep 16
STL10:15 amLambert-St Louis
8h 35m
2 stops
PBI7:50 pmPalm Beach Intl
$343
Southwest
Aug 15
PBI4:20 pmPalm Beach Intl
5h 20m
1 stop
STL8:40 pmLambert-St Louis
Aug 17
STL3:45 pmLambert-St Louis
3h 55m
1 stop
PBI8:40 pmPalm Beach Intl
$348

Delta flights from West Palm Beach to St. Louis

Our best Delta deals on West Palm Beach to St. Louis flight tickets
Delta
Nov 2
PBI12:55 pmPalm Beach Intl
6h 20m
1 stop
STL6:15 pmLambert-St Louis
Nov 12
STL1:30 pmLambert-St Louis
5h 00m
1 stop
PBI7:30 pmPalm Beach Intl
$359
Delta
Dec 22
PBI7:00 amPalm Beach Intl
4h 48m
1 stop
STL10:48 amLambert-St Louis
Dec 28
STL11:51 amLambert-St Louis
7h 16m
1 stop
PBI8:07 pmPalm Beach Intl
$381
Delta
Jul 13
PBI11:02 amPalm Beach Intl
4h 46m
1 stop
STL2:48 pmLambert-St Louis
Jul 17
STL10:51 amLambert-St Louis
5h 31m
1 stop
PBI5:22 pmPalm Beach Intl
$411

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 July 1, 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

7:00 am-12:03 pm

1 stop6h 03m

Lambert-St Louis

Tue 10/27

10:12 am-6:34 pm

1 stop7h 22m

$333

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Sat 9/12

6:50 am-1:35 pm

2 stops7h 45m

Lambert-St Louis

Wed 9/16

7:15 am-3:05 pm

1 stop6h 50m

$338

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Mon 11/2

2:57 pm-9:08 pm

1 stop7h 11m

Lambert-St Louis

Thu 11/12

5:00 am-11:04 am

1 stop5h 04m

$339

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Sat 9/12

6:50 am-1:35 pm

2 stops7h 45m

Lambert-St Louis

Wed 9/16

10:15 am-7:50 pm

2 stops8h 35m

$343
Quickest round-trip

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Sat 8/15

4:20 pm-8:40 pm

1 stop5h 20m

Lambert-St Louis

Mon 8/17

3:45 pm-8:40 pm

1 stop3h 55m

$348

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Mon 8/10

3:58 pm-9:26 pm

1 stop6h 28m

Lambert-St Louis

Wed 8/12

8:00 am-3:09 pm

1 stop6h 09m

$353

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Sat 8/15

6:38 pm-10:40 pm

1 stop5h 02m

Lambert-St Louis

Mon 8/17

6:00 am-1:27 pm

1 stop6h 27m

$354

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Mon 8/10

7:20 am-3:20 pm

2 stops9h 00m

Lambert-St Louis

Wed 8/12

1:40 pm-8:00 pm

1 stop5h 20m

$358

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Mon 11/2

12:55 pm-6:15 pm

1 stop6h 20m

Lambert-St Louis

Thu 11/12

1:30 pm-7:30 pm

1 stop5h 00m

$359

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Mon 7/13

6:44 pm-11:58 pm

1 stop6h 14m

Lambert-St Louis

Tue 7/28

5:32 am-1:23 pm

1 stop6h 51m

$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 $324. 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 July 2026, prices for West Palm Beach to St. Louis flights are approximately 24% 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

4h 28m

Direct flights

None
The fastest flight from West Palm Beach to St. Louis takes 4h 28m
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 28m, 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
8,452 reviews
Search Delta flights
American AirlinesPriceFrom $282Free CancellationRating
7.1
11,765 reviews
Search American Airlines flights
SouthwestPriceFrom $359Free CancellationRating
7.9
4,246 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
St. Peters
Collinsville
Alton
Fenton
Farmington
Wentzville
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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