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$137+ Cheap flights from St. Louis to West Palm Beach (STL - PBI)

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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PBI
Jun 19 — Jun 261
Thu 6/19
Thu 6/26
1 adult, Economy
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Cheapflights Tip: The best prices from Lambert-St Louis to Palm Beach Intl are usually found in August or October, booked 85 days in advance, depart on a Saturday or Tuesday and return on a Tuesday

Cheap flight deals from St. Louis to West Palm Beach

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to West Palm Beach (PBI). 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 June 14, 2025.

Round-trip from

$264
(FlightHub)

One-way from

$137
(American Airlines)

Popular in

March

Cheapest in

August

Average price

$405
From Lambert-St Louis to Palm Beach Intl
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One-way flight from Lambert-St Louis to Palm Beach Intl
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Highest demand for flights based on searches. 6% potential increase in price ($27 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from St. Louis to West Palm Beach

Cheapest flights from St. Louis to West Palm Beach
Explore the most affordable flight options available from St. Louis to West Palm Beach. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 14, 2025.

This FlightHub deal was found by Cheapflights users on 6/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/72:36 pmSTL - PBI
1 stop26h 07mFrontier
Fri 8/156:38 pmPBI - STL
1 stop20h 21mFrontier
Deal found 6/12$264
This Southwest deal was found by Cheapflights users on 6/12. 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 10/75:30 amSTL - PBI
1 stop5h 25mSouthwest
Thu 10/97:05 amPBI - STL
1 stop4h 40mSouthwest
Deal found 6/12$285
This Delta deal was found by Cheapflights users on 6/11. 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.
Sat 9/131:30 pmSTL - PBI
1 stop5h 38mDelta
Mon 9/157:50 pmPBI - STL
1 stop4h 49mDelta
Deal found 6/11$301
This American Airlines deal was found by Cheapflights users on 6/13. 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 8/74:32 pmSTL - PBI
1 stop6h 49mAmerican Airlines
Fri 8/156:00 amPBI - STL
2 stops8h 12mAmerican Airlines
Deal found 6/13$314
This United Airlines deal was found by Cheapflights users on 6/13. 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 8/145:00 amSTL - PBI
2 stops9h 58mUnited Airlines
Sun 8/174:42 pmPBI - STL
1 stop6h 33mUnited Airlines
Deal found 6/13$403
This Mytrip deal was found by Cheapflights users on 6/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/266:36 pmSTL - PBI
2 stops22h 25mMultiple Airlines
Thu 7/38:24 pmPBI - STL
2 stops18h 26mMultiple Airlines
Deal found 6/12$502

Cheapflights Fare Finder

Customize your flight search to find flights from St. Louis to West Palm Beach 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 June 14, 2025.
Use the filters below to find and compare flights from St. Louis to West Palm Beach that are best for you.

Fly from

St. Louis

Fly to

West Palm Beach

Route

Depart

Return

Price

St. LouisWest Palm Beach

STL - PBI

STLPBI

Lambert-St Louis

Thu 8/7

2:36 pm-5:43 pm

1 stop26h 07m

Palm Beach Intl

Fri 8/15

6:38 pm-1:59 pm

1 stop20h 21m

$264

St. LouisWest Palm Beach

STL - PBI

STLPBI

Lambert-St Louis

Thu 8/7

6:00 am-11:45 am

1 stop4h 45m

Palm Beach Intl

Fri 8/15

10:57 am-4:06 pm

1 stop6h 09m

$309

St. LouisWest Palm Beach

STL - PBI

STLPBI

Lambert-St Louis

Thu 8/7

4:32 pm-12:21 am

1 stop6h 49m

Palm Beach Intl

Fri 8/15

6:00 am-1:12 pm

2 stops8h 12m

$314

St. LouisWest Palm Beach

STL - PBI

STLPBI

Lambert-St Louis

Fri 9/5

1:30 pm-9:55 pm

2 stops7h 25m

Palm Beach Intl

Tue 9/9

7:30 am-2:25 pm

2 stops7h 55m

$319

St. LouisWest Palm Beach

STL - PBI

STLPBI

Lambert-St Louis

Thu 8/14

5:00 am-3:58 pm

2 stops9h 58m

Palm Beach Intl

Sun 8/17

4:42 pm-10:15 pm

1 stop6h 33m

$403

St. LouisWest Palm Beach

STL - PBI

STLPBI

Lambert-St Louis

Thu 6/26

6:36 pm-6:01 pm

2 stops22h 25m

Palm Beach Intl

Thu 7/3

8:24 pm-1:50 pm

2 stops18h 26m

$502

St. LouisWest Palm Beach

STL - PBI

STLPBI

Lambert-St Louis

Tue 8/5

5:48 pm-10:23 am

1 stop15h 35m

$137

St. LouisWest Palm Beach

STL - PBI

STLPBI

Lambert-St Louis

Mon 8/4

3:16 pm-11:06 pm

1 stop6h 50m

$143

St. LouisWest Palm Beach

STL - PBI

STLPBI

Lambert-St Louis

Thu 9/4

1:30 pm-9:55 pm

2 stops7h 25m

$144

St. LouisWest Palm Beach

STL - PBI

STLPBI

Lambert-St Louis

Tue 8/12

8:00 am-8:24 pm

2 stops11h 24m

$148

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 13 results
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Best time to book a flight from St. Louis to West Palm Beach

Have a flexible travel schedule? Discover the best time to fly to West Palm Beach from St. Louis 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 St. Louis to West Palm Beach

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

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to West Palm Beach. Price data was last updated on June 9, 2025.

The best time to book flights from St. Louis to West Palm Beach is 85 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 St. Louis to West Palm Beach?

Currently, August is the cheapest month in which you can book a flight from St. Louis to West Palm Beach (average of $222). Flying from St. Louis to West Palm Beach in April is currently the most expensive (average of $296). 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.

What is the cheapest time of day to fly from STL to PBI?

Find hourly flight availability from St. Louis to West Palm Beach. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 14, 2025.

When flying from St. Louis to West Palm Beach, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 43% versus a flight at noon.

What is the cheapest day to fly from St. Louis to West Palm Beach?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to West Palm Beach. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their St. Louis to West Palm Beach flight should consider departing on Saturday afternoons when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in West Palm Beach by month

Plan your trip to West Palm Beach by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in West Palm Beach ranges from 2.8 - 8.4 inches per month. September is typically the wettest month, when rainfall can reach 8.4 in. February is typically the driest time to visit West Palm Beach when rainfall is around 2.8 in.

Temperature in West Palm Beach by month

Plan your trip to West Palm Beach by taking into account the average temperature totals by month.

If weather is an important factor for your trip to West Palm Beach, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 66.2 F).

Reviews of airlines servicing West Palm Beach

Get insights into the airlines that provide service to West Palm Beach. 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 West Palm Beach. Reviews last updated June 14, 2025.
To help decide which airline to fly from St. Louis to West Palm Beach, see what other customers have to say about Southwest, Delta and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,283 reviews

Overall

8.0

Comfort

8.0

Entertainment

7.6

Boarding

8.2

Crew

8.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,283 reviews
Southwest
8.0
Very good
4,283 reviews

Overall

8.0

Comfort

8.0

Entertainment

7.6

Boarding

8.2

Crew

8.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,956 reviews
Southwest
8.0
Very good
4,283 reviews

Overall

8.0

Comfort

8.0

Entertainment

7.6

Boarding

8.2

Crew

8.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,793 reviews
Southwest
8.0
Very good
4,283 reviews

Overall

8.0

Comfort

8.0

Entertainment

7.6

Boarding

8.2

Crew

8.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,283 reviews

Overall

8.0

Comfort

8.0

Entertainment

7.6

Boarding

8.2

Crew

8.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Spirit Airlines
6.3
Okay
8,058 reviews
Southwest
8.0
Very good
4,283 reviews

Overall

8.0

Comfort

8.0

Entertainment

7.6

Boarding

8.2

Crew

8.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Related info for your journey

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

  • How popular is this St. Louis to West Palm Beach flight route?

    This flight path from Lambert-St Louis to Palm Beach Intl was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Our cheapest airline available from St. Louis to West Palm Beach is Frontier. Our recent data shows that you can find tickets from as low as $264 on this airline. Additional options worth looking into are Delta and American Airlines, starting at $309 and $314 round-trip. Users have found that Frontier is 32% cheaper than the other options available to this destination.

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

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $137. Users have also found prices from $143 and $144 on Delta and Southwest, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to West Palm Beach 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 St. Louis to West Palm Beach?

    Currently, August is the cheapest month in which you can book a flight from St. Louis to West Palm Beach (average of $222). Flying from St. Louis to West Palm Beach in April is currently the most expensive (average of $296). 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.

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

Discover the top 3 airlines that operate flights from St. Louis to West Palm Beach. 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 June 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$294Average$386FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$298Average$386FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$359Average$451FlexibilityNo cancel feeOn-time63%

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