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St. Louis

$95+ Cheap flights from West Palm Beach to St. Louis (PBI - STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/27. Fares are subject to change and may not be available on all flights or dates of travel.
PBI — STL
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Palm Beach Intl to Lambert-St Louis are usually found in August or July, booked 11 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap flight deals from West Palm Beach to St. Louis

Cheapest flights from West Palm Beach to St. Louis
Explore the most affordable flight options available from West Palm Beach to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 26, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1012:13 pm
PBI
-
STL
2 stops19h 38m
Frontier
Sat 2/148:17 pm
STL
-
PBI
1 stop14h 49m
Frontier
Deal found 1/26$235
This American Airlines deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/71:59 pm
PBI
-
STL
1 stop6h 31m
American Airlines
Wed 3/115:12 am
STL
-
PBI
1 stop6h 11m
American Airlines
Deal found 1/24$265
This Delta deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/262:14 pm
PBI
-
STL
1 stop4h 28m
Delta
Mon 3/26:10 am
STL
-
PBI
1 stop6h 30m
Delta
Deal found 1/24$321
This United Airlines deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/194:59 pm
PBI
-
STL
1 stop6h 15m
United Airlines
Mon 2/2311:25 am
STL
-
PBI
2 stops9h 35m
United Airlines
Deal found 1/25$326
This Southwest deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/247:05 am
PBI
-
STL
2 stops8h 55m
Southwest
Tue 3/36:50 am
STL
-
PBI
2 stops8h 55m
Southwest
Deal found 1/25$331
This Southwest deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/75:55 pm
PBI
-
STL
1 stop6h 10m
Southwest
Wed 3/113:10 pm
STL
-
PBI
2 stops5h 55m
Southwest
Deal found 1/24$345
This American Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2611:23 am
PBI
-
STL
2 stops7h 37m
American Airlines
Mon 3/28:00 am
STL
-
PBI
1 stop7h 16m
American Airlines
Deal found 1/26$348
This Southwest deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/196:40 am
PBI
-
STL
2 stops8h 30m
Southwest
Mon 2/239:10 am
STL
-
PBI
2 stops11h 20m
Southwest
Deal found 1/24$350
This American Airlines deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/248:31 pm
PBI
-
STL
1 stop13h 35m
American Airlines
Sun 3/81:34 pm
STL
-
PBI
1 stop6h 43m
American Airlines
Deal found 1/24$362
This Delta deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/274:53 pm
PBI
-
STL
1 stop4h 48m
Delta
Wed 3/47:10 am
STL
-
PBI
1 stop4h 59m
Delta
Deal found 1/25$363

Find flight deals from West Palm Beach to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from West Palm Beach (PBI) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$265
(American Airlines)

One-way from

$95
(Kiwi.com)

Popular in

November

Cheapest in

August

Average price

$477
Provider with most accurate pricing for Palm Beach Intl-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Palm Beach Intl-Lambert-St Louis flights.
Search Deals
From Palm Beach Intl to Lambert-St Louis
Search Deals
One-way flight from Palm Beach Intl to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated January 26, 2026.
Use the filters below to find and compare flights from West Palm Beach to St. Louis that are best for you.

Fly from

West Palm Beach

Fly to

St. Louis

Route

Depart

Return

Price

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Tue 2/10

12:13 pm-6:51 am

2 stops19h 38m

Lambert-St Louis

Sat 2/14

8:17 pm-12:06 pm

1 stop14h 49m

$235

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Sat 3/7

1:59 pm-7:30 pm

1 stop6h 31m

Lambert-St Louis

Wed 3/11

5:12 am-12:23 pm

1 stop6h 11m

$265

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Wed 2/18

6:12 pm-11:36 pm

1 stop6h 24m

Lambert-St Louis

Sat 2/21

10:11 am-3:45 pm

1 stop4h 34m

$321

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Thu 2/26

2:14 pm-5:42 pm

1 stop4h 28m

Lambert-St Louis

Mon 3/2

6:10 am-1:40 pm

1 stop6h 30m

$321

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Thu 2/26

7:00 am-12:33 pm

1 stop6h 33m

Lambert-St Louis

Mon 3/2

2:19 pm-11:04 pm

1 stop7h 45m

$321

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Tue 2/24

5:40 pm-9:25 pm

1 stop4h 45m

Lambert-St Louis

Tue 3/3

6:20 am-4:25 pm

2 stops9h 05m

$326

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Thu 2/19

4:59 pm-10:14 pm

1 stop6h 15m

Lambert-St Louis

Mon 2/23

11:25 am-10:00 pm

2 stops9h 35m

$326

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Thu 2/19

6:40 am-2:10 pm

2 stops8h 30m

Lambert-St Louis

Mon 2/23

12:05 pm-6:25 pm

1 stop5h 20m

$326

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Sat 3/7

6:05 pm-8:00 pm

Nonstop2h 55m

Lambert-St Louis

Wed 3/11

4:05 pm-10:05 pm

1 stop5h 00m

$349

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Fri 2/13

1:09 pm-6:51 am

1 stop18h 42m

$105

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/23

Showing 1-10 of 21 results
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2
3

Compare providers for flights from West Palm Beach to St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from West Palm Beach to St. Louis in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on West Palm Beach-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on West Palm Beach-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from West Palm Beach-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on West Palm Beach-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for West Palm Beach-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from West Palm Beach to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from West Palm Beach with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from West Palm Beach to St. Louis

How far ahead should I book a flight from West Palm Beach to St. Louis?

Use this chart to determine the optimal time to book a round-trip flight from West Palm Beach to St. Louis. Price data was last updated on January 23, 2026.

The best time to book flights from West Palm Beach to St. Louis is 9 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from West Palm Beach to St. Louis?

Currently, March is the cheapest month in which you can book a flight from West Palm Beach to St. Louis (average of $37). Flying from West Palm Beach to St. Louis in January is currently the most expensive (average of $143). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated January 26, 2026.
Get a feel of what it's like to fly with Southwest, Delta, and American Airlines from West Palm Beach to St. Louis by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,268 reviews

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,268 reviews
Southwest
8.0
Very good
4,268 reviews

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,111 reviews
Southwest
8.0
Very good
4,268 reviews

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,189 reviews
Southwest
8.0
Very good
4,268 reviews

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from West Palm Beach to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from West Palm Beach to St. Louis?

    There are many flights that can get you from West Palm Beach to St. Louis in 4h 28m. Fly via American Airlines, Delta, or United Airlines to get the fastest option. The distance from West Palm Beach to St. Louis is about 1023 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from West Palm Beach to St. Louis round-trip?

    Cheapflights users have booked flights from West Palm Beach to St. Louis round-trip from $218. Other airlines that can offer you cheap pricing are Southwest, from $235, and American Airlines, from $295. Delta is priced at 45% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from West Palm Beach to St. Louis one-way?

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $49. American Airlines flights start at $119 while deals on Southwest start at $126 one-way.

  • Can I find deals for flights from West Palm Beach to St. Louis that include hotel bookings?

    Yes. In addition to deals on West Palm Beach to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from West Palm Beach to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from West Palm Beach to St. Louis.

  • Can I find deals for business class flights from West Palm Beach to St. Louis?

    Yes. Cheapflights offers flight deals from West Palm Beach to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from West Palm Beach to St. Louis?

    Currently, March is the cheapest month in which you can book a flight from West Palm Beach to St. Louis (average of $37). Flying from West Palm Beach to St. Louis in January is currently the most expensive (average of $143). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
Chesterfield
Alton
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for West Palm Beach to St. Louis

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Top 3 airlines flying from West Palm Beach to St. Louis

Discover the top 3 airlines that operate flights from West Palm Beach to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$386FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$235Average$409FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$324Average$451FlexibilityNo cancel feeOn-time71%

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