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St. Louis

$97+ 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 12/16. Fares are subject to change and may not be available on all flights or dates of travel.
PBI — STL
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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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 Tuesday or Monday and return on a Saturday

Cheap 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 September 11, 2025.

Round-trip from

$224
(United Airlines)

One-way from

$97
(Southwest)

Popular in

April

Cheapest in

August

Average price

$406

Good one-way deal

$262 or less
From Palm Beach Intl to Lambert-St Louis
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One-way flight from Palm Beach Intl to Lambert-St Louis
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Highest demand for flights based on searches. 5% potential increase in price ($23 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a one-way flight from Palm Beach Intl to Lambert-St Louis.
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Find 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 September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/9. 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.
Tue 10/75:40 pmPBI - STL
1 stop7h 17mUnited Airlines
Wed 10/86:30 amSTL - PBI
1 stop7h 38mUnited Airlines
Deal found 9/9$224
This Delta deal was found by Cheapflights users on 9/10. 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.
Wed 10/17:15 amPBI - STL
1 stop6h 06mDelta
Sat 10/46:01 amSTL - PBI
1 stop4h 37mDelta
Deal found 9/10$225
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/71:09 pmPBI - STL
2 stops8h 17mAmerican Airlines
Wed 10/86:00 amSTL - PBI
1 stop5h 25mAmerican Airlines
Deal found 9/9$234
This Delta deal was found by Cheapflights users on 9/11. 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.
Thu 10/97:42 pmPBI - STL
1 stop4h 59mDelta
Sat 10/111:30 pmSTL - PBI
1 stop6h 13mDelta
Deal found 9/11$235
This Delta deal was found by Cheapflights users on 9/9. 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.
Tue 9/306:26 pmPBI - STL
1 stop4h 34mDelta
Thu 10/23:40 pmSTL - PBI
1 stop6h 20mDelta
Deal found 9/9$239
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/146:28 pmPBI - STL
1 stop6h 26mAmerican Airlines
Thu 10/1610:36 amSTL - PBI
1 stop8h 07mAmerican Airlines
Deal found 9/9$249
This Delta deal was found by Cheapflights users on 9/9. 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.
Wed 10/157:00 amPBI - STL
1 stop9h 29mDelta
Fri 10/173:59 pmSTL - PBI
1 stop6h 00mDelta
Deal found 9/9$253
This American Airlines deal was found by Cheapflights users on 9/9. 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 9/301:39 pmPBI - STL
2 stops7h 53mAmerican Airlines
Thu 10/25:27 amSTL - PBI
1 stop4h 22mAmerican Airlines
Deal found 9/9$254
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Wed 10/156:01 amPBI - STL
2 stops7h 56mAmerican Airlines
Fri 10/175:30 amSTL - PBI
1 stop6h 51mAmerican Airlines
Deal found 9/9$258
This Delta deal was found by Cheapflights users on 9/11. 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.
Fri 10/107:42 pmPBI - STL
1 stop4h 59mDelta
Mon 10/133:59 pmSTL - PBI
1 stop4h 45mDelta
Deal found 9/11$263
This Southwest deal was found by Cheapflights users on 9/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/95:25 pmPBI - STL
1 stop6h 00mSouthwest
Tue 10/145:35 amSTL - PBI
2 stops13h 10mSouthwest
Deal found 9/11$264
This Booking.com deal was found by Cheapflights users on 9/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/261:12 pmPBI - STL
2 stops20h 54mFrontier
Sun 9/284:00 pmSTL - PBI
1 stop19h 17mFrontier
Deal found 9/10$267

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 September 11, 2025.
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

Wed 10/1

7:15 am-12:21 pm

1 stop6h 06m

Lambert-St Louis

Sat 10/4

10:15 am-3:54 pm

1 stop4h 39m

$225

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Tue 10/7

1:09 pm-8:26 pm

2 stops8h 17m

Lambert-St Louis

Wed 10/8

6:00 am-12:25 pm

1 stop5h 25m

$234

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Sat 10/11

7:00 am-3:29 pm

1 stop9h 29m

Lambert-St Louis

Mon 10/13

5:15 pm-10:59 pm

1 stop4h 44m

$235

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Thu 10/9

7:42 pm-11:41 pm

1 stop4h 59m

Lambert-St Louis

Tue 10/14

1:35 pm-9:52 pm

1 stop7h 17m

$239

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Tue 10/14

6:28 pm-11:54 pm

1 stop6h 26m

Lambert-St Louis

Thu 10/16

10:36 am-7:43 pm

1 stop8h 07m

$249

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Thu 10/9

5:25 pm-10:25 pm

1 stop6h 00m

Lambert-St Louis

Tue 10/14

5:35 am-7:45 pm

2 stops13h 10m

$264

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Fri 9/26

1:12 pm-9:06 am

2 stops20h 54m

Lambert-St Louis

Sun 9/28

4:00 pm-12:17 pm

1 stop19h 17m

$267

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Wed 1/7

7:30 am-3:52 pm

1 stop9h 22m

Lambert-St Louis

Sun 1/11

6:00 am-11:35 am

1 stop4h 35m

$267

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Sun 10/12

8:17 am-2:43 pm

1 stop7h 26m

Lambert-St Louis

Tue 10/14

9:10 am-2:28 pm

1 stop4h 18m

$267

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Wed 10/8

7:00 am-12:00 pm

1 stop6h 00m

Lambert-St Louis

Fri 10/10

5:05 am-12:20 pm

1 stop6h 15m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 21 results
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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 August 29, 2025.

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, August is the cheapest month in which you can book a flight from West Palm Beach to St. Louis (average of $311). Flying from West Palm Beach to St. Louis in March is currently the most expensive (average of $356). 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 PBI to STL?

Find hourly flight availability from West Palm Beach to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 47% on flights from West Palm Beach to St. Louis by exploring options for tickets in the afternoon.

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 September 11, 2025.
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
4,248 reviews

Food

7.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Food

7.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,960 reviews
Southwest
8.0
Very good
4,248 reviews

Food

7.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,248 reviews

Food

7.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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 6h 06m. Fly via United Airlines, Delta, or American 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 $235. Other airlines that can offer you cheap pricing are Delta, from $266, and American Airlines, from $284. Southwest is priced at 37% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest flights from West Palm Beach to St. Louis?

    On average you can expect to pay $299 for a flight from West Palm Beach to St. Louis. The cheapest flight overall is $218 while the most popular route, (Palm Beach Intl - Lambert-St Louis) is currently priced at $225.

  • 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, August is the cheapest month in which you can book a flight from West Palm Beach to St. Louis (average of $311). Flying from West Palm Beach to St. Louis in March is currently the most expensive (average of $356). 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
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$235Average$409FlexibilityNo cancel feeOn-time63%
DeltaCheapest$266Average$386FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$284Average$386FlexibilityNo cancel feeOn-time71%

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