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Cheap flights from West Palm Beach to St. Louis from $71

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from West Palm Beach to St. Louis departing on 3/12. 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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Find the cheapest flights from West Palm Beach to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
12:13 pm - 6:51 am
PBI
-
STL
19h 38m
2 stops
Frontier Logo
8:17 pm - 12:32 pm
STL
-
PBI
15h 15m
1 stop
$205Frontier
Tue, Feb 24 - Sat, Feb 28
Multiple Airlines Logo
9:23 am - 6:51 am
PBI
-
STL
22h 28m
2 stops
Multiple Airlines Logo
8:17 pm - 12:17 pm
STL
-
PBI
15h 00m
1 stop
$238Multiple Airlines
Thu, Feb 19 - Sat, Feb 21
Frontier Logo
1:09 pm - 6:51 am
PBI
-
STL
18h 42m
1 stop
Frontier Logo
8:17 pm - 12:06 pm
STL
-
PBI
14h 49m
1 stop
$242Frontier
Fri, Feb 13 - Sat, Feb 14
Multiple Airlines Logo
1:36 pm - 6:51 am
PBI
-
STL
18h 15m
1 stop
Multiple Airlines Logo
8:17 pm - 9:54 am
STL
-
PBI
36h 37m
2 stops
$257Multiple Airlines
Sun, Mar 1 - Wed, Mar 4
Frontier Logo
1:12 pm - 6:51 am
PBI
-
STL
18h 39m
1 stop
Frontier Logo
3:49 pm - 8:00 pm
STL
-
PBI
27h 11m
2 stops
$258Frontier
Sun, Feb 22 - Tue, Feb 24
Frontier Logo
8:55 pm - 10:27 pm
PBI
-
STL
26h 32m
2 stops
Frontier Logo
8:17 pm - 12:17 pm
STL
-
PBI
15h 00m
1 stop
$270Frontier
Tue, Feb 17 - Sat, Feb 21
American Airlines Logo
8:31 pm - 9:06 am
PBI
-
STL
13h 35m
1 stop
American Airlines Logo
8:00 am - 4:16 pm
STL
-
PBI
7h 16m
1 stop
$274American Airlines
Tue, Feb 24 - Sat, Feb 28
Multiple Airlines Logo
11:25 am - 6:51 am
PBI
-
STL
20h 26m
2 stops
Multiple Airlines Logo
8:17 pm - 12:17 pm
STL
-
PBI
15h 00m
1 stop
$279Multiple Airlines
Thu, Feb 19 - Sat, Feb 21
Multiple Airlines Logo
1:36 pm - 6:51 am
PBI
-
STL
18h 15m
1 stop
Multiple Airlines Logo
3:49 pm - 9:54 am
STL
-
PBI
41h 05m
2 stops
$293Multiple Airlines
Sun, Mar 1 - Thu, Mar 5
Multiple Airlines Logo
1:09 pm - 6:51 am
PBI
-
STL
18h 42m
1 stop
Multiple Airlines Logo
3:49 pm - 8:34 am
STL
-
PBI
15h 45m
2 stops
$351Multiple Airlines
Fri, Feb 13 - Sat, Feb 14

United Airlines flights from West Palm Beach to St. Louis

Our best United Airlines deals on West Palm Beach to St. Louis flight tickets
United Airlines
Feb 27
PBI4:10 pmPalm Beach Intl
24h 52m
1 stop
STL4:02 pmLambert-St Louis
Mar 4
STL6:25 amLambert-St Louis
13h 06m
2 stops
PBI8:31 pmPalm Beach Intl
$427
United Airlines
Feb 19
PBI4:10 pmPalm Beach Intl
5h 55m
1 stop
STL9:05 pmLambert-St Louis
Feb 25
STL7:00 amLambert-St Louis
8h 23m
1 stop
PBI4:23 pmPalm Beach Intl
$438
United Airlines
Mar 7
PBI9:00 amPalm Beach Intl
13h 41m
2 stops
STL9:41 pmLambert-St Louis
Mar 11
STL6:25 amLambert-St Louis
7h 36m
1 stop
PBI3:01 pmPalm Beach Intl
$483

Frontier flights from West Palm Beach to St. Louis

Our best Frontier deals on West Palm Beach to St. Louis flight tickets
Frontier
Feb 24
PBI12:13 pmPalm Beach Intl
19h 38m
2 stops
STL6:51 amLambert-St Louis
Feb 28
STL8:17 pmLambert-St Louis
15h 15m
1 stop
PBI12:32 pmPalm Beach Intl
$205
Frontier
Feb 13
PBI1:09 pmPalm Beach Intl
18h 42m
1 stop
STL6:51 amLambert-St Louis
Feb 14
STL8:17 pmLambert-St Louis
14h 49m
1 stop
PBI12:06 pmPalm Beach Intl
$242
Frontier
Feb 22
PBI1:12 pmPalm Beach Intl
18h 39m
1 stop
STL6:51 amLambert-St Louis
Feb 24
STL3:49 pmLambert-St Louis
27h 11m
2 stops
PBI8:00 pmPalm Beach Intl
$258

momondo 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, momondo users made 832,500 searches. Data last updated February 3, 2026.
Use the filters below to find and compare flights from West Palm Beach to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Tue 2/24

12:13 pm-6:51 am

2 stops19h 38m

Lambert-St Louis

Sat 2/28

8:17 pm-12:32 pm

1 stop15h 15m

$205

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Thu 2/19

9:23 am-6:51 am

2 stops22h 28m

Lambert-St Louis

Sat 2/21

8:17 pm-12:17 pm

1 stop15h 00m

$238

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Fri 2/13

1:09 pm-6:51 am

1 stop18h 42m

Lambert-St Louis

Sat 2/14

8:17 pm-12:06 pm

1 stop14h 49m

$242

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Sun 3/1

1:36 pm-6:51 am

1 stop18h 15m

Lambert-St Louis

Wed 3/4

8:17 pm-9:54 am

2 stops36h 37m

$257

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Sun 2/22

1:12 pm-6:51 am

1 stop18h 39m

Lambert-St Louis

Tue 2/24

3:49 pm-8:00 pm

2 stops27h 11m

$258

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Tue 2/17

8:55 pm-10:27 pm

2 stops26h 32m

Lambert-St Louis

Sat 2/21

8:17 pm-12:17 pm

1 stop15h 00m

$270

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Tue 2/24

8:31 pm-9:06 am

1 stop13h 35m

Lambert-St Louis

Sat 2/28

8:00 am-4:16 pm

1 stop7h 16m

$274

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Thu 2/19

11:25 am-6:51 am

2 stops20h 26m

Lambert-St Louis

Sat 2/21

8:17 pm-12:17 pm

1 stop15h 00m

$279

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Sun 3/1

1:36 pm-6:51 am

1 stop18h 15m

Lambert-St Louis

Thu 3/5

3:49 pm-9:54 am

2 stops41h 05m

$293

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Fri 2/13

1:09 pm-6:51 am

1 stop18h 42m

Lambert-St Louis

Sat 2/14

3:49 pm-8:34 am

2 stops15h 45m

$351

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 St. Louis from

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

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 St. Louis?

In general, August is the cheapest month to fly from West Palm Beach to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $331. The month of July is another great option to travel to St. Louis, with average flight prices from West Palm Beach averaging around $338.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Thursday when prices can be found for as low as $299. 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 Friday because tickets tend to average around $488. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from West Palm Beach in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $301 when looking at flights departing in the afternoon. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $625 per ticket.

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

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

How far in advance should I book a flight to St. Louis?

You are more likely to see cheaper flights to St. Louis from West Palm Beach when booking weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $402 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from West Palm Beach for as low as $275 on momondo.

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

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

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

As of February 2026, prices for West Palm Beach to St. Louis flights are approximately 47% more expensive when compared to flights at the same time last year.

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

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

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

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

Fastest flight time

2h 55m

Direct flights

Every day

Airports in St. Louis

1 airport
The fastest flight from West Palm Beach to St. Louis takes 2h 55m
Direct flights go from West Palm Beach to St. Louis every day.
There is 1 airport in St. Louis. From West Palm Beach there are direct flights to Lambert-St Louis (STL).
Search flight deals

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

    Lambert-St Louis is 1010.8 mi away from Palm Beach Intl. Flights usually cover this in 2h 55m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Palm Beach Intl Airport to Lambert-St Louis Airport were last updated today.

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

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

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

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

Best airlines flying from West Palm Beach to St. Louis

Compare and see reviews for airlines that fly from West Palm Beach to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $218Free CancellationRating
7.9
8,138 reviews
Search Delta flights
SouthwestPriceFrom $235Free CancellationRating
8.0
4,272 reviews
Search Southwest flights
American AirlinesPriceFrom $324Free CancellationRating
7.2
11,216 reviews
Search American Airlines flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Maryland Heights
Florissant
O'Fallon
Collinsville
St. Peters
Fenton
Wentzville
Alton
Farmington
Clayton
Edwardsville
Eureka
Festus
Litchfield
Glencoe
Shrewsbury

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from West Palm Beach to St. Louis for you.

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

Yes. momondo enables you to select and highlight flights to St. Louis from West Palm Beach with this policy.

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

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

Yes momondo offers price alerts on flights to St. Louis from West Palm Beach. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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