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Cheap flights from St. Louis to West Palm Beach from $74

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 2/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from St. Louis to West Palm Beach

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:17 pm - 9:03 pm
STL
-
PBI
23h 46m
2 stops
Frontier Logo
1:36 pm - 6:51 am
PBI
-
STL
18h 15m
1 stop
$177Frontier
Wed, Feb 25 - Sun, Mar 1
Multiple Airlines Logo
8:17 pm - 12:17 pm
STL
-
PBI
15h 00m
1 stop
Multiple Airlines Logo
11:25 am - 6:51 am
PBI
-
STL
20h 26m
2 stops
$186Multiple Airlines
Sat, Feb 21 - Tue, Feb 24
Frontier Logo
8:22 pm - 6:33 pm
STL
-
PBI
21h 11m
1 stop
Frontier Logo
12:13 pm - 6:51 am
PBI
-
STL
19h 38m
2 stops
$190Frontier
Fri, Feb 6 - Tue, Feb 10
Frontier Logo
8:17 pm - 9:03 pm
STL
-
PBI
23h 46m
2 stops
Frontier Logo
1:36 pm - 6:51 am
PBI
-
STL
18h 15m
1 stop
$201Frontier
Wed, Feb 25 - Sun, Mar 1
Frontier Logo
3:49 pm - 12:28 pm
STL
-
PBI
19h 39m
2 stops
Frontier Logo
1:12 pm - 6:51 am
PBI
-
STL
18h 39m
1 stop
$208Frontier
Sun, Feb 15 - Sun, Feb 22
Frontier Logo
8:12 pm - 6:37 pm
STL
-
PBI
21h 25m
2 stops
Frontier Logo
7:32 pm - 1:34 pm
PBI
-
STL
19h 02m
1 stop
$209Frontier
Wed, Mar 11 - Thu, Mar 19
Frontier Logo
12:03 pm - 2:34 pm
STL
-
PBI
25h 31m
2 stops
Frontier Logo
1:10 pm - 6:51 am
PBI
-
STL
18h 41m
1 stop
$228Frontier
Sun, Feb 1 - Sun, Feb 15
Frontier Logo
3:49 pm - 12:14 pm
STL
-
PBI
19h 25m
2 stops
Frontier Logo
1:12 pm - 6:51 am
PBI
-
STL
18h 39m
1 stop
$232Frontier
Thu, Feb 19 - Sun, Feb 22
Frontier Logo
12:03 pm - 2:34 pm
STL
-
PBI
25h 31m
2 stops
Frontier Logo
3:34 pm - 6:51 am
PBI
-
STL
16h 17m
1 stop
$240Frontier
Sun, Feb 1 - Fri, Feb 6
Delta Logo
7:03 am - 2:25 pm
STL
-
PBI
6h 22m
1 stop
Delta Logo
2:04 pm - 5:53 pm
PBI
-
STL
4h 49m
1 stop
$249Delta
Tue, Mar 17 - Wed, Mar 18

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
Feb 7
STL9:54 amLambert-St Louis
8h 48m
1 stop
PBI7:42 pmPalm Beach Intl
Feb 17
PBI7:04 pmPalm Beach Intl
5h 44m
1 stop
STL11:48 pmLambert-St Louis
$280
American Airlines
Mar 17
STL5:12 amLambert-St Louis
8h 36m
1 stop
PBI2:48 pmPalm Beach Intl
Mar 23
PBI12:29 pmPalm Beach Intl
8h 47m
1 stop
STL8:16 pmLambert-St Louis
$312
American Airlines
Feb 17
STL7:05 amLambert-St Louis
4h 57m
1 stop
PBI1:02 pmPalm Beach Intl
Feb 27
PBI11:23 amPalm Beach Intl
7h 44m
1 stop
STL6:07 pmLambert-St Louis
$322

Southwest flights from St. Louis to West Palm Beach

Our best Southwest deals on St. Louis to West Palm Beach flight tickets
Southwest
Apr 18
STL6:20 amLambert-St Louis
9h 55m
2 stops
PBI5:15 pmPalm Beach Intl
Apr 22
PBI3:55 pmPalm Beach Intl
7h 15m
2 stops
STL10:10 pmLambert-St Louis
$342
Southwest
Feb 7
STL8:50 amLambert-St Louis
6h 50m
1 stop
PBI4:40 pmPalm Beach Intl
Feb 12
PBI6:30 amPalm Beach Intl
9h 10m
2 stops
STL2:40 pmLambert-St Louis
$346
Southwest
Jan 27
STL1:10 pmLambert-St Louis
7h 40m
2 stops
PBI9:50 pmPalm Beach Intl
Feb 28
PBI11:35 amPalm Beach Intl
9h 15m
2 stops
STL7:50 pmLambert-St Louis
$425

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 January 15, 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

St. LouisWest Palm Beach

STL - PBI

STLPBI

Lambert-St Louis

Wed 2/25

8:17 pm-9:03 pm

2 stops23h 46m

Palm Beach Intl

Sun 3/1

1:36 pm-6:51 am

1 stop18h 15m

$177

St. LouisWest Palm Beach

STL - PBI

STLPBI

Lambert-St Louis

Sat 2/21

8:17 pm-12:17 pm

1 stop15h 00m

Palm Beach Intl

Tue 2/24

11:25 am-6:51 am

2 stops20h 26m

$186

St. LouisWest Palm Beach

STL - PBI

STLPBI

Lambert-St Louis

Fri 2/6

8:22 pm-6:33 pm

1 stop21h 11m

Palm Beach Intl

Tue 2/10

12:13 pm-6:51 am

2 stops19h 38m

$190

St. LouisWest Palm Beach

STL - PBI

STLPBI

Lambert-St Louis

Wed 2/25

8:17 pm-9:03 pm

2 stops23h 46m

Palm Beach Intl

Sun 3/1

1:36 pm-6:51 am

1 stop18h 15m

$201

St. LouisWest Palm Beach

STL - PBI

STLPBI

Lambert-St Louis

Sun 2/15

3:49 pm-12:28 pm

2 stops19h 39m

Palm Beach Intl

Sun 2/22

1:12 pm-6:51 am

1 stop18h 39m

$208

St. LouisWest Palm Beach

STL - PBI

STLPBI

Lambert-St Louis

Wed 3/11

8:12 pm-6:37 pm

2 stops21h 25m

Palm Beach Intl

Thu 3/19

7:32 pm-1:34 pm

1 stop19h 02m

$209

St. LouisWest Palm Beach

STL - PBI

STLPBI

Lambert-St Louis

Sun 2/1

12:03 pm-2:34 pm

2 stops25h 31m

Palm Beach Intl

Sun 2/15

1:10 pm-6:51 am

1 stop18h 41m

$228

St. LouisWest Palm Beach

STL - PBI

STLPBI

Lambert-St Louis

Thu 2/19

3:49 pm-12:14 pm

2 stops19h 25m

Palm Beach Intl

Sun 2/22

1:12 pm-6:51 am

1 stop18h 39m

$232

St. LouisWest Palm Beach

STL - PBI

STLPBI

Lambert-St Louis

Sun 2/1

12:03 pm-2:34 pm

2 stops25h 31m

Palm Beach Intl

Fri 2/6

3:34 pm-6:51 am

1 stop16h 17m

$240

St. LouisWest Palm Beach

STL - PBI

STLPBI

Lambert-St Louis

Tue 3/17

7:03 am-2:25 pm

1 stop6h 22m

Palm Beach Intl

Wed 3/18

2:04 pm-5:53 pm

1 stop4h 49m

$249

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 Tuesday when prices can be found for as low as $458. 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 Monday because tickets tend to average around $704. 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 time of day to depart on your flight to West Palm Beach?

Our data shows that the cheapest St. Louis to West Palm Beach flights are usually those with departure times at noon. Our users have found flights to West Palm Beach at noon for as low as $543. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $587 on average. Flights to West Palm Beach from St. Louis in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $374 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 $318 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 January 2026, prices for St. Louis to West Palm Beach flights are approximately 19% more expensive 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

Fastest flight time

2h 35m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun

Airports in West Palm Beach

1 airport
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, Tuesday, 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 $248Free CancellationRating
7.2
11,136 reviews
Search American Airlines flights
DeltaPriceFrom $266Free CancellationRating
7.9
8,051 reviews
Search Delta flights
SouthwestPriceFrom $359Free CancellationRating
8.0
4,258 reviews
Search Southwest flights

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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