STL - PBI

$58 Find Cheap Flights from St. Louis to West Palm Beach

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from St. Louis to West Palm Beach departing on 12/23. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to West Palm Beach

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to West Palm Beach, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to West Palm Beach, as well as popular online travel agencies
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 23% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest round-trip
$189
Overall average: $447
Frontier
Sun 12/7Sun 12/14
STL - PBI • 1 stop
Cheapest one-way
$58
Typical prices: $201-$269
Frontier
Tue 12/23
STL - PBI • 1 stop
Our travelers' advice
AI-generated summary based on content written by travel experts
Avoid peak hours at STL to skip crowded terminals.
Use rideshares for a quick 10-minute ride from PBI.
Expert advice
Expert advice
Expert advice
Expert advice
Top airlines
Frontier
Cheapest • from $189 (round-trip)
Southwest
Best reviews • 8.0 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
When to book
4 weeks
in advance
Our data shows that travelers who book at least 4 weeks in advance save around 48% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
September
Cheapest • 29% price drop
March
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to West Palm Beach!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from St. Louis to West Palm Beach (STL-PBI)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. Louis to West Palm Beach that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from St. Louis to West Palm Beach

Sun, Dec 7 - Sun, Dec 14
Frontier Logo
10:42 am - 5:59 pmSTL-PBI
6h 17m1 stop
Frontier Logo
7:12 pm - 9:52 amPBI-STL
15h 40m1 stop
$189Frontier
Find Deal
Sun, Dec 7 - Wed, Dec 10
Multiple Airlines Logo
10:42 am - 5:59 pmSTL-PBI
6h 17m1 stop
Multiple Airlines Logo
6:20 am - 11:07 amPBI-STL
29h 47m2 stops
$209Multiple Airlines
Find Deal
Sat, Jan 10 - Sun, Jan 18
Delta Logo
7:10 am - 1:16 pmSTL-PBI
5h 06m1 stop
Delta Logo
7:00 am - 11:05 amPBI-STL
5h 05m1 stop
$299Delta
Find Deal
Thu, Dec 18 - Wed, Dec 24
Delta Logo
6:00 am - 2:47 pmSTL-PBI
7h 47m1 stop
Delta Logo
2:40 pm - 7:04 pmPBI-STL
5h 24m1 stop
$300Delta
Find Deal
Thu, Dec 4 - Mon, Dec 8
American Airlines Logo
5:15 am - 5:30 pmSTL-PBI
11h 15m1 stop
American Airlines Logo
8:00 am - 4:19 pmPBI-STL
9h 19m1 stop
$315American Airlines
Find Deal
Mon, Dec 8 - Wed, Dec 10
Southwest Logo
3:20 pm - 9:55 pmSTL-PBI
5h 35m1 stop
Southwest Logo
11:35 am - 4:20 pmPBI-STL
5h 45m1 stop
$317Southwest
Find Deal
Sun, Dec 7 - Wed, Dec 10
Spirit Airlines Logo
2:47 pm - 9:49 pmSTL-PBI
30h 02m2 stops
Spirit Airlines Logo
6:20 am - 1:52 pmPBI-STL
32h 32m3 stops
$320Spirit Airlines
Find Deal
Thu, Dec 4 - Mon, Dec 8
Southwest Logo
1:20 pm - 9:55 pmSTL-PBI
7h 35m2 stops
Southwest Logo
7:05 am - 11:10 amPBI-STL
5h 05m1 stop
$322Southwest
Find Deal
Sat, Dec 6 - Wed, Dec 10
American Airlines Logo
4:49 pm - 11:29 pmSTL-PBI
5h 40m1 stop
American Airlines Logo
8:00 am - 4:50 pmPBI-STL
9h 50m1 stop
$325American Airlines
Find Deal
Sun, Dec 7 - Wed, Dec 10
Spirit Airlines Logo
2:47 pm - 9:49 pmSTL-PBI
30h 02m2 stops
Spirit Airlines Logo
4:28 pm - 1:52 pmPBI-STL
22h 24m2 stops
$337Spirit Airlines
Find Deal
Booking Insights

KAYAK's insights & trends for St. Louis to West Palm Beach flights

Get data-powered insights and trends into flights from St. Louis to West Palm Beach to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from St. Louis to West Palm Beach?

The average price of all round-trip flights from St. Louis to West Palm Beach clicked on KAYAK for each day over the last 12 months.

For St. Louis to West Palm Beach, Sunday is the cheapest day to fly on average and Friday is the most expensive. Flying from West Palm Beach back to St. Louis, the best deals are generally found on Thursday, with Friday being the most expensive.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from St. Louis to West Palm Beach, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from St. Louis to West Palm Beach is September, where tickets cost $278 (return) on average. On the other hand, the most expensive months are March and December, where the average cost of round-trip tickets is $496 and $447 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from St. Louis to West Palm Beach, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from St. Louis to West Palm Beach, you should book around 4 weeks before departure, which saves you about 48% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 6 weeks before departure.

Expert advice

Expert advice for your flight from St. Louis to West Palm Beach

 
Snippets provided in this section are AI-generated based on a summarization of KAYAK-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airports
STL

Avoid peak hours at STL to skip crowded terminals. Early mornings and afternoons are busiest, so plan your departure accordingly.

Read more about STLby Yulia Denisyuk
PBI

For a quick ride to downtown West Palm Beach, use rideshares like Uber or Lyft. It's just a 10-minute drive from PBI.

Read more about PBIby Stefanie Waldek
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on PBI

Stefanie Waldek

Stefanie Waldek

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Read more
Yulia Denisyuk

Yulia Denisyuk

Expert on STL

Yulia Denisyuk

Yulia Denisyuk

Yulia is a freelance journalist who’s dispatched from 90+ countries. Her work focuses on cultures, adventure trips and air travel, appearing in NatGeo, NYT, CNTraveler, and more. For past assignments, she’s stayed with nomads in Mongolia and learned the art of Imigongo in Rwanda. She’s based in Chicago; in winter she often questions that decision.

Read more

Good to know

Low seasonSeptember
Cheapest flight$58
Best time to beat the crowds with an average 29% drop in price.
Most popular time to fly with an average 26% increase in price.
Flight from St. Louis to West Palm Beach

When to book flights from St. Louis to West Palm Beach

Are your dates flexible? Find out the best times to travel from St. Louis to West Palm Beach based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from St. Louis to West Palm Beach

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

    In the last 3 days, the lowest price for a flight from St. Louis to West Palm Beach was $58 for a one-way ticket and $189 for a round-trip.

  • Do I need a passport to fly between St. Louis and West Palm Beach?

    No

  • Which airports will I be using when flying from St. Louis to West Palm Beach?

    St. Louis and West Palm Beach are both served by 1 main airport. You will leave St. Louis from Lambert-St Louis and will be arriving at Palm Beach Intl.

  • Which airlines offer Wi-Fi service onboard planes from St. Louis to West Palm Beach?

    Only American Airlines offers inflight Wi-Fi service on the St. Louis to West Palm Beach flight route.

  • Which aircraft models fly most regularly from St. Louis to West Palm Beach?

    The Boeing 737-700 Passenger/BBJ1 (winglets) is the aircraft model that flies most regularly on the St. Louis to West Palm Beach flight route.

  • Which airline alliances offer flights from St. Louis to West Palm Beach?

    oneworld, and SkyTeam are the airline alliances operating flights between St. Louis and West Palm Beach, with oneworld being the most commonly used for this route.

  • What is the most popular layover when flying to West Palm Beach from St. Louis?

    Atlanta is the most popular layover city among KAYAK users traveling from St. Louis to West Palm Beach.

  • Which is the best airline for flights from St. Louis to West Palm Beach, Southwest or Delta?

    The two airlines most popular with KAYAK users for flights from St. Louis to West Palm Beach are Southwest and Delta. With an average price for the route of $438 and an overall rating of 8.0, Southwest is the most popular choice. Delta is also a great choice for the route, with an average price of $386 and an overall rating of 7.9.

  • How does KAYAK find such low prices on flights from St. Louis to West Palm Beach?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from St. Louis to West Palm Beach.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from St. Louis to West Palm Beach?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to West Palm Beach from St. Louis is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from St. Louis to West Palm Beach?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to West Palm Beach with an airline and back to St. Louis with another airline. Booking your flights between St. Louis and PBI can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from St. Louis to West Palm Beach?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to West Palm Beach from St. Louis up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 3 airlines serving from St. Louis to West Palm Beach

 
See real verified KAYAK customer reviews for airlines flying from St. Louis to West Palm Beach. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from St. Louis to West Palm Beach? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
SouthwestOverall score based on 4241 reviews
8.6Crew
7.5Entertainment
8.0Comfort
7.0Food
8.1Boarding
Airline reviews

Ever since Southwest starting charging for bags, passengers don't want to pay to check their bags, so the gate agents have to beg people to check their roller bags now because there's "not enough space". This was a terrible business move by Southwest.

8.0 ExcellentGreg, Oct 2025OAK - BUR
Read more Southwest reviews

Ever since Southwest starting charging for bags, passengers don't want to pay to check their bags, so the gate agents have to beg people to check their roller bags now because there's "not enough space". This was a terrible business move by Southwest.

Full cans of soda would be nice. A choice between two snacks would be appreciated.

Delays delays delays. Late taking off, late landing, wait for a gate, etc.

The quality of Southwest Airlines continues to degrade each time I fly with them. If it were not for the free luggage, I would probably choose another airline. Their prices are a little bit competitive, but way too high for the quality of the service. Southwest is not unique in this way. Domestic flight in the United States of America has continued to be a lower and lower quality product. Very sad when you compare the quality of domestic airlines to that of many international airlines around the world.

I'm not a fan of Southwest's model. I don't like the herding style of boarding.

It is southwest seat was ok. Not the most comfortable seat

Plz don't take away free bags and free seating

Very good. Sad to learn Southwest is going start to charge for bags

Excellent! Only question is how we check in at exactly 24 hours in advance and end up at the end of the B boarding group

Multiple delays and gate changes. Arrived at final destination 6 hours late. All rental cars had been taken.

The flight was an hour and a half late departing which was inconvenient

The flight was great. The gate location was way to far away!!!

The flight attendant in first class was beyond rude and didn't care at all about her job. AND the gate agent was even worse than the flight attendant for rudeness. She was awful.

Movie selection was meh. Food was great. Crew as always great. I paid for premium because that’s the only way not to feel like a sardine. That’s how economy should be imo. Sadly passengers have to pay an extra $1000 to get what they should at base price but that’s all airlines. The airline industry in general treats passengers as cargo.

Great flight with Delta! Boarding was quick and easy, the amenities were solid, and the plane was in great shape. The flight attendants had a fun, lively energy while staying professional. All in all, a smooth trip — even managed to catch up on some rest. Thanks, Delta!

Always good but we must do something about people in rows ahead of you that don't put their seats back up when they are suppose to. And It's rough to not be able to even lean over to get something out of my purse.

this crew didn't care much. bumping carts into seats more times than i care to remember

Everything was fine except the entertainment was not working for half of the flight.

Easy boarding with an extremely kind attendant. Seats were spacious and we had 3 seats for 2 people so we could stretch out. Comfortable air flow and very attentive and hospital attendants. Bathrooms and food were the only negative. Bathrooms were so small you could hardly get in and close the door. I don’t think an obese person would fit or a person with a movement disability. Food was the trending food for flights, nonexistent. We spent $40 getting sandwich and snack at airport for our 6 hour flught.

My flight was canceled after being rescheduled for four days canceling my trip. Kayak and everyone affiliated with it I.e the airlines, and just fly have been excruciating to deal with. My trip to visit family had to be canceled as there was no way to make it. I am furious at all of you.

Delays to take off and to leave the plane after landing added a lot of time to this flight.

It was a red eye flight, so no meals were provided, but it was fine with snacks. The seats felt cramped and almost too narrow.

We didn't take off until an hour after we boarded.

Wish they had the seat-back video screens for watching movies or playing games.

Very good but wish they had the seat-back video screens for movies & games

Flight was delayed not sure why no explanation given and no apologies either. Otherwise the flight was fine

While waiting to claim my checked luggage, I discovered the airline had lost it. After a long wait and inquiries, I discovered it was on another flight. Fortunately, the airline finally sent my luggage home.

Flight delays numerous times. Everytime we would get close to boarding it would be delayed again. Strung along the entire time.

This flight never occurred because AA couldn’t get their act together.

During service there was a garbage/beverage spill near our seats that never was cleaned up. On a relatively short flight when we’re fortunate enough to actually have in flight movies available, the flight attendants pitching the AADVANTAGE credit card shouldn’t talk for the last 10 minutes of the flight so that we miss the end of the movie.

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

Information on your arrival and departure airports

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.