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Cheap flights from St. Louis to West Palm Beach from $135

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to West Palm Beach departing on 3/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:41 am - 6:36 pm
STL
-
PBI
32h 55m
2 stops
Frontier Logo
12:17 pm - 5:34 pm
PBI
-
STL
6h 17m
1 stop
$239Frontier
Mon, Apr 6 - Thu, Apr 9
Multiple Airlines Logo
11:21 am - 6:36 pm
STL
-
PBI
6h 15m
1 stop
Multiple Airlines Logo
7:33 pm - 6:50 am
PBI
-
STL
36h 17m
2 stops
$251Multiple Airlines
Tue, Apr 7 - Wed, Apr 15
Multiple Airlines Logo
11:21 am - 6:36 pm
STL
-
PBI
6h 15m
1 stop
Multiple Airlines Logo
12:14 pm - 6:50 am
PBI
-
STL
19h 36m
2 stops
$261Multiple Airlines
Tue, Apr 7 - Thu, Apr 16
Multiple Airlines Logo
11:21 am - 6:36 pm
STL
-
PBI
6h 15m
1 stop
Multiple Airlines Logo
2:00 pm - 7:32 pm
PBI
-
STL
30h 32m
2 stops
$270Multiple Airlines
Tue, Apr 7 - Fri, Apr 17
Frontier Logo
11:21 am - 6:37 pm
STL
-
PBI
6h 16m
1 stop
Frontier Logo
12:17 pm - 5:34 pm
PBI
-
STL
6h 17m
1 stop
$290Frontier
Sun, Mar 29 - Thu, Apr 2
Frontier Logo
11:21 am - 6:36 pm
STL
-
PBI
6h 15m
1 stop
Frontier Logo
7:32 pm - 11:25 pm
PBI
-
STL
28h 53m
2 stops
$304Frontier
Tue, Apr 7 - Sun, Apr 12
Multiple Airlines Logo
11:21 am - 6:36 pm
STL
-
PBI
6h 15m
1 stop
Multiple Airlines Logo
2:04 pm - 6:50 am
PBI
-
STL
17h 46m
2 stops
$306Multiple Airlines
Tue, Apr 7 - Tue, Apr 14
Multiple Airlines Logo
11:21 am - 6:36 pm
STL
-
PBI
6h 15m
1 stop
Multiple Airlines Logo
7:09 pm - 11:19 pm
PBI
-
STL
29h 10m
2 stops
$313Multiple Airlines
Tue, Apr 7 - Mon, Apr 13
Southwest Logo
12:15 pm - 6:25 pm
STL
-
PBI
5h 10m
1 stop
Southwest Logo
6:00 pm - 10:35 pm
PBI
-
STL
5h 35m
1 stop
$328Southwest
Sat, Apr 4 - Tue, Apr 7
Frontier Logo
11:21 am - 6:36 pm
STL
-
PBI
6h 15m
1 stop
Frontier Logo
6:14 pm - 10:38 am
PBI
-
STL
17h 24m
1 stop
$331Frontier
Tue, Apr 7 - Sat, Apr 11

American Airlines flights from St. Louis to West Palm Beach

Our best American Airlines deals on St. Louis to West Palm Beach flight tickets
American Airlines
Mar 28
STL7:03 amLambert-St Louis
6h 45m
1 stop
PBI2:48 pmPalm Beach Intl
Apr 4
PBI11:27 amPalm Beach Intl
7h 40m
1 stop
STL6:07 pmLambert-St Louis
$341
American Airlines
Mar 28
STL7:03 amLambert-St Louis
6h 45m
1 stop
PBI2:48 pmPalm Beach Intl
Apr 1
PBI6:06 amPalm Beach Intl
8h 33m
2 stops
STL1:39 pmLambert-St Louis
$346
American Airlines
Jul 4
STL6:12 pmLambert-St Louis
5h 40m
1 stop
PBI12:52 amPalm Beach Intl
Jul 7
PBI5:27 pmPalm Beach Intl
7h 29m
2 stops
STL11:56 pmLambert-St Louis
$349

Delta flights from St. Louis to West Palm Beach

Our best Delta deals on St. Louis to West Palm Beach flight tickets
Delta
May 3
STL6:00 amLambert-St Louis
4h 45m
1 stop
PBI11:45 amPalm Beach Intl
May 5
PBI11:14 amPalm Beach Intl
5h 18m
1 stop
STL3:32 pmLambert-St Louis
$367
Delta
Apr 9
STL6:10 amLambert-St Louis
7h 10m
1 stop
PBI2:20 pmPalm Beach Intl
Apr 13
PBI7:34 pmPalm Beach Intl
5h 02m
1 stop
STL11:36 pmLambert-St Louis
$389
Delta
Jun 13
STL3:42 pmLambert-St Louis
6h 27m
1 stop
PBI11:09 pmPalm Beach Intl
Jun 28
PBI6:00 amPalm Beach Intl
5h 45m
1 stop
STL10:45 amLambert-St Louis
$393

momondo 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, momondo users made 832,500 searches. Data last updated March 17, 2026.
Use the filters below to find and compare flights from St. Louis to West Palm Beach that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisWest Palm Beach

STL - PBI

STLPBI

Lambert-St Louis

Mon 4/6

8:41 am-6:36 pm

2 stops32h 55m

Palm Beach Intl

Thu 4/9

12:17 pm-5:34 pm

1 stop6h 17m

$239

St. LouisWest Palm Beach

STL - PBI

STLPBI

Lambert-St Louis

Tue 4/7

11:21 am-6:36 pm

1 stop6h 15m

Palm Beach Intl

Wed 4/15

7:33 pm-6:50 am

2 stops36h 17m

$251

St. LouisWest Palm Beach

STL - PBI

STLPBI

Lambert-St Louis

Tue 4/7

11:21 am-6:36 pm

1 stop6h 15m

Palm Beach Intl

Thu 4/16

12:14 pm-6:50 am

2 stops19h 36m

$261

St. LouisWest Palm Beach

STL - PBI

STLPBI

Lambert-St Louis

Tue 4/7

11:21 am-6:36 pm

1 stop6h 15m

Palm Beach Intl

Fri 4/17

2:00 pm-7:32 pm

2 stops30h 32m

$270

St. LouisWest Palm Beach

STL - PBI

STLPBI

Lambert-St Louis

Sun 3/29

11:21 am-6:37 pm

1 stop6h 16m

Palm Beach Intl

Thu 4/2

12:17 pm-5:34 pm

1 stop6h 17m

$290

St. LouisWest Palm Beach

STL - PBI

STLPBI

Lambert-St Louis

Tue 4/7

11:21 am-6:36 pm

1 stop6h 15m

Palm Beach Intl

Sun 4/12

7:32 pm-11:25 pm

2 stops28h 53m

$304

St. LouisWest Palm Beach

STL - PBI

STLPBI

Lambert-St Louis

Tue 4/7

11:21 am-6:36 pm

1 stop6h 15m

Palm Beach Intl

Tue 4/14

2:04 pm-6:50 am

2 stops17h 46m

$306

St. LouisWest Palm Beach

STL - PBI

STLPBI

Lambert-St Louis

Tue 4/7

11:21 am-6:36 pm

1 stop6h 15m

Palm Beach Intl

Mon 4/13

7:09 pm-11:19 pm

2 stops29h 10m

$313
Quickest round-trip

St. LouisWest Palm Beach

STL - PBI

STLPBI

Lambert-St Louis

Sat 4/4

12:15 pm-6:25 pm

1 stop5h 10m

Palm Beach Intl

Tue 4/7

6:00 pm-10:35 pm

1 stop5h 35m

$328

St. LouisWest Palm Beach

STL - PBI

STLPBI

Lambert-St Louis

Tue 4/7

11:21 am-6:36 pm

1 stop6h 15m

Palm Beach Intl

Sat 4/11

6:14 pm-10:38 am

1 stop17h 24m

$331

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 West Palm Beach from

How to get the cheapest flight ticket from St. Louis to West Palm Beach

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 West Palm Beach?

If you’re not able to fly to West Palm Beach in September, then November is your next best option. Flight prices from St. Louis to West Palm Beach during November average around $333.

What is the cheapest day to depart on your flight to West Palm Beach?

The cheapest day to depart on your flight to West Palm Beach is on a Sunday when prices can be found for as low as $505. 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 Saturday because tickets tend to average around $587. These prices are subject to change though, so be sure to set up a Price Alert for flights to West Palm Beach.

What is the cheapest Lambert-St Louis to Palm Beach Intl flight route?

Fly from Lambert-St Louis to Palm Beach Intl for the best Lambert-St Louis - Palm Beach Intl flight prices

How far in advance should I book a flight to West Palm Beach?

You are more likely to see cheaper flights to West Palm Beach from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to West Palm Beach for around $372 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to West Palm Beach from St. Louis for as low as $320 on momondo.

What cabin class options are available on Lambert-St Louis to Palm Beach Intl flights?

There is only 1 cabin class available to choose from on Lambert-St Louis to Palm Beach Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have St. Louis to West Palm Beach flight prices changed over time?

As of March 2026, prices for St. Louis to West Palm Beach flights are approximately 17% cheaper when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to West Palm Beach according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to West Palm Beach (STL to PBI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to West Palm Beach

Best Price Found

$606

Fastest flight time

2h 35m

Direct flights

Mon, Thu, Fri, Sat and Sun

Airports in West Palm Beach

1 airport
The best flight deal from St. Louis to West Palm Beach found on momondo in the last 72 hours is $606
The fastest flight from St. Louis to West Palm Beach takes 2h 35m
Direct flights go from St. Louis to West Palm Beach on Monday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport in West Palm Beach. From St. Louis there are direct flights to Palm Beach Intl (PBI).
Search flight deals

  • How far is Lambert-St Louis to Palm Beach Intl by plane?

    The distance between Lambert-St Louis and Palm Beach Intl is about 1010.8 mi. Typically, this will take 2h 35m by plane in normal conditions.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Palm Beach Intl Airport?

    Prices for flights from Lambert-St Louis Airport to Palm Beach Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Palm Beach Intl Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Palm Beach Intl 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 Lambert-St Louis Airport to Palm Beach Intl Airport.

  • What documentation or ID do you need to fly to Palm Beach Intl Airport?

    The travel and health documents you'll need for your trip to Palm Beach Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Palm Beach Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from St. Louis to West Palm Beach?

  • What is the most popular airline from St. Louis to West Palm Beach?

Best airlines flying from St. Louis to West Palm Beach

Compare and see reviews for airlines that fly from St. Louis to West Palm Beach with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $216Free CancellationRating
7.1
11,468 reviews
Search American Airlines flights
DeltaPriceFrom $247Free CancellationRating
7.9
8,288 reviews
Search Delta flights
SouthwestPriceFrom $343Free CancellationRating
8.0
4,320 reviews
Search Southwest flights

  • Southwest Flights From St. Louis to West Palm Beach

    Southwest flight deals from St. Louis to West Palm Beach start from $343 round-trip. Over the 6 Southwest flights for this route in a normal week, average airfare is usually $450 round-trip - but some users have found much cheaper deals with momondo.

Traveling to a place near West Palm Beach?

Book flights to West Palm Beach if you plan to visit one of these locations
Jensen Beach

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to West Palm Beach?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to West Palm Beach. momondo saves you time and could save you money on your trip.

Can I find flights from St. Louis to West Palm Beach with flexible booking policies on momondo?

Flights from St. Louis to West Palm Beach with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from St. Louis to West Palm Beach?

momondo helps you find the best flight between St. Louis and West Palm Beach 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 St. Louis to West Palm Beach right now. Can momondo alert me if prices change?

If you are not ready to book a flight from St. Louis to West Palm Beach now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to West Palm Beach and let you know when they change.

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