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Cheap flights from West Palm Beach to St. Louis from $90

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 12/14. 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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Cheap round-trip flights

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Delta Logo
9:15 am - 1:02 pmPBI-STL
4h 47m1 stop
Delta Logo
5:28 pm - 11:26 pmSTL-PBI
4h 58m1 stop
$315Delta
Find Deal
Wed, Dec 3 - Wed, Dec 3
American Airlines Logo
7:20 am - 2:50 pmPBI-STL
8h 30m2 stops
American Airlines Logo
6:52 am - 2:13 pmSTL-PBI
6h 21m1 stop
$320American Airlines
Find Deal
Tue, Jan 27 - Wed, Jan 28
Delta Logo
5:31 pm - 9:57 pmPBI-STL
5h 26m1 stop
Delta Logo
2:07 pm - 10:16 pmSTL-PBI
7h 09m1 stop
$326Delta
Find Deal
Tue, Dec 2 - Wed, Dec 3
United Airlines Logo
9:00 am - 4:04 pmPBI-STL
8h 04m1 stop
United Airlines Logo
1:00 pm - 8:17 pmSTL-PBI
6h 17m1 stop
$339United Airlines
Find Deal
Tue, Dec 9 - Thu, Dec 11
Southwest Logo
5:25 pm - 9:25 pmPBI-STL
5h 00m1 stop
Southwest Logo
1:50 pm - 9:55 pmSTL-PBI
7h 05m2 stops
$344Southwest
Find Deal
Tue, Dec 9 - Thu, Dec 11
Southwest Logo
7:05 am - 3:00 pmPBI-STL
8h 55m2 stops
Southwest Logo
2:15 pm - 9:50 pmSTL-PBI
6h 35m2 stops
$349Southwest
Find Deal
Tue, Jan 27 - Thu, Jan 29
United Airlines Logo
5:00 pm - 9:58 pmPBI-STL
5h 58m1 stop
United Airlines Logo
6:15 am - 3:53 pmSTL-PBI
8h 38m1 stop
$350United Airlines
Find Deal
Tue, Dec 2 - Thu, Dec 4
Southwest Logo
7:05 am - 3:50 pmPBI-STL
9h 45m2 stops
Southwest Logo
1:20 pm - 9:55 pmSTL-PBI
7h 35m2 stops
$359Southwest
Find Deal
Tue, Dec 9 - Thu, Dec 11
Delta Logo
7:00 am - 1:02 pmPBI-STL
7h 02m1 stop
Delta Logo
7:05 am - 1:14 pmSTL-PBI
5h 09m1 stop
$361Delta
Find Deal
Wed, Dec 3 - Fri, Dec 5
American Airlines Logo
8:24 am - 12:46 pmPBI-STL
5h 22m1 stop
American Airlines Logo
10:03 am - 5:53 pmSTL-PBI
6h 50m1 stop
$363American Airlines
Find Deal
Thu, Feb 26 - Mon, Mar 2

Delta flights from West Palm Beach to St. Louis

Our best Delta deals on West Palm Beach to St. Louis flight tickets
Delta
Dec 3
PBI9:15 amPalm Beach Intl
4h 47m
1 stop
STL1:02 pmLambert-St Louis
Dec 3
STL5:28 pmLambert-St Louis
4h 58m
1 stop
PBI11:26 pmPalm Beach Intl
$315
Find similar
Delta
Dec 2
PBI5:31 pmPalm Beach Intl
5h 26m
1 stop
STL9:57 pmLambert-St Louis
Dec 3
STL2:07 pmLambert-St Louis
7h 09m
1 stop
PBI10:16 pmPalm Beach Intl
$326
Find similar
Delta
Dec 3
PBI7:00 amPalm Beach Intl
7h 02m
1 stop
STL1:02 pmLambert-St Louis
Dec 5
STL7:05 amLambert-St Louis
5h 09m
1 stop
PBI1:14 pmPalm Beach Intl
$361
Find similar

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
Jan 27
PBI7:20 amPalm Beach Intl
8h 30m
2 stops
STL2:50 pmLambert-St Louis
Jan 28
STL6:52 amLambert-St Louis
6h 21m
1 stop
PBI2:13 pmPalm Beach Intl
$320
Find similar
American Airlines
Feb 26
PBI8:24 amPalm Beach Intl
5h 22m
1 stop
STL12:46 pmLambert-St Louis
Mar 2
STL10:03 amLambert-St Louis
6h 50m
1 stop
PBI5:53 pmPalm Beach Intl
$363
Find similar
American Airlines
Nov 25
PBI6:27 pmPalm Beach Intl
6h 29m
1 stop
STL11:56 pmLambert-St Louis
Nov 28
STL8:40 amLambert-St Louis
7h 53m
1 stop
PBI5:33 pmPalm Beach Intl
$381
Find similar

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 November 4, 2025.
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

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Wed 12/3

9:15 am-1:02 pm

1 stop4h 47m

Lambert-St Louis

Wed 12/3

5:28 pm-11:26 pm

1 stop4h 58m

$315

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Tue 1/27

7:20 am-2:50 pm

2 stops8h 30m

Lambert-St Louis

Wed 1/28

6:52 am-2:13 pm

1 stop6h 21m

$320

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Tue 12/2

5:31 pm-9:57 pm

1 stop5h 26m

Lambert-St Louis

Wed 12/3

2:07 pm-10:16 pm

1 stop7h 09m

$326

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Tue 12/9

9:00 am-4:04 pm

1 stop8h 04m

Lambert-St Louis

Thu 12/11

1:00 pm-8:17 pm

1 stop6h 17m

$339

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Tue 12/9

5:25 pm-9:25 pm

1 stop5h 00m

Lambert-St Louis

Thu 12/11

1:50 pm-9:55 pm

2 stops7h 05m

$344

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Tue 1/27

7:05 am-3:00 pm

2 stops8h 55m

Lambert-St Louis

Thu 1/29

2:15 pm-9:50 pm

2 stops6h 35m

$349

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Tue 12/2

5:00 pm-9:58 pm

1 stop5h 58m

Lambert-St Louis

Thu 12/4

6:15 am-3:53 pm

1 stop8h 38m

$350

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Tue 12/9

7:05 am-3:50 pm

2 stops9h 45m

Lambert-St Louis

Thu 12/11

1:20 pm-9:55 pm

2 stops7h 35m

$359

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Wed 12/3

7:00 am-1:02 pm

1 stop7h 02m

Lambert-St Louis

Fri 12/5

7:05 am-1:14 pm

1 stop5h 09m

$361

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Thu 2/26

8:24 am-12:46 pm

1 stop5h 22m

Lambert-St Louis

Mon 3/2

10:03 am-5:53 pm

1 stop6h 50m

$363

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, 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 July is another great option to travel to St. Louis, with average flight prices from West Palm Beach averaging around $338.

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

The cheapest day to depart on your flight to St. Louis is on a Thursday when prices can be found for as low as $301. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $488. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

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

Flying to St. Louis from West Palm Beach in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $336 when looking at flights departing in the afternoon. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $625 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

How far in advance should I book a flight to St. Louis?

You are more likely to see cheaper flights to St. Louis from West Palm Beach when booking weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $385 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from West Palm Beach for as low as $275 on momondo.

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 November 2025, prices for West Palm Beach to St. Louis flights are approximately 22% 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

2h 50m

Direct flights

Mon, Tue, Fri, Sat and Sun

Airports in St. Louis

1 airport
The fastest flight from West Palm Beach to St. Louis takes 2h 50m
Direct flights go from West Palm Beach to St. Louis on Monday, Tuesday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport near St. Louis: 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 4h 30m, 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 $258Free CancellationRating
7.9
8,003 reviews
Search Delta flights
American AirlinesPriceFrom $284Free CancellationRating
7.2
11,040 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
Wentzville
Fenton
Collinsville
St. Peters
Alton
Farmington
Festus
Glencoe
Edwardsville
Clayton
Eureka
Litchfield
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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