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Cheap flights from West Palm Beach to St. Louis from $90

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 3/3. 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 West Palm Beach to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:09 pm - 6:51 am
PBI
-
STL
18h 42m
1 stop
Multiple Airlines Logo
8:17 pm - 9:54 am
STL
-
PBI
36h 37m
2 stops
$229Multiple Airlines
Fri, Feb 13 - Wed, Feb 18
Frontier Logo
12:13 pm - 6:51 am
PBI
-
STL
19h 38m
2 stops
Frontier Logo
8:17 pm - 12:06 pm
STL
-
PBI
14h 49m
1 stop
$235Frontier
Tue, Feb 10 - Sat, Feb 14
Southwest Logo
1:25 pm - 7:00 pm
PBI
-
STL
6h 35m
1 stop
Southwest Logo
5:10 am - 11:40 am
STL
-
PBI
5h 30m
1 stop
$285Southwest
Wed, Feb 25 - Mon, Mar 2
United Airlines Logo
4:10 pm - 9:05 pm
PBI
-
STL
5h 55m
1 stop
United Airlines Logo
9:55 am - 8:31 pm
STL
-
PBI
9h 36m
2 stops
$290United Airlines
Wed, Feb 25 - Mon, Mar 2
Frontier Logo
1:09 pm - 6:51 am
PBI
-
STL
18h 42m
1 stop
Frontier Logo
3:49 pm - 12:32 pm
STL
-
PBI
19h 43m
2 stops
$316Frontier
Fri, Feb 20 - Sun, Feb 22
Delta Logo
1:50 pm - 8:09 pm
PBI
-
STL
7h 19m
1 stop
Delta Logo
9:41 am - 6:52 pm
STL
-
PBI
8h 11m
1 stop
$321Delta
Thu, Feb 26 - Mon, Mar 2
United Airlines Logo
4:59 pm - 10:14 pm
PBI
-
STL
6h 15m
1 stop
United Airlines Logo
11:25 am - 10:00 pm
STL
-
PBI
9h 35m
2 stops
$326United Airlines
Thu, Feb 19 - Mon, Feb 23
American Airlines Logo
5:09 pm - 11:35 pm
PBI
-
STL
7h 26m
1 stop
American Airlines Logo
10:37 am - 6:16 pm
STL
-
PBI
6h 39m
1 stop
$327American Airlines
Fri, Feb 27 - Wed, Mar 4
Southwest Logo
7:05 am - 12:45 pm
PBI
-
STL
6h 40m
2 stops
Southwest Logo
5:05 am - 3:50 pm
STL
-
PBI
9h 45m
2 stops
$331Southwest
Tue, Feb 24 - Sat, Feb 28
Southwest Logo
6:45 am - 3:30 pm
PBI
-
STL
9h 45m
2 stops
Southwest Logo
6:35 am - 2:20 pm
STL
-
PBI
6h 45m
1 stop
$333Southwest
Mon, May 11 - Wed, May 20

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 25
PBI4:10 pmPalm Beach Intl
5h 55m
1 stop
STL9:05 pmLambert-St Louis
Mar 2
STL9:55 amLambert-St Louis
9h 36m
2 stops
PBI8:31 pmPalm Beach Intl
$290
United Airlines
Feb 19
PBI4:59 pmPalm Beach Intl
6h 15m
1 stop
STL10:14 pmLambert-St Louis
Feb 23
STL11:25 amLambert-St Louis
9h 35m
2 stops
PBI10:00 pmPalm Beach Intl
$326
United Airlines
Feb 27
PBI9:00 amPalm Beach Intl
26h 13m
1 stop
STL10:13 amLambert-St Louis
Mar 4
STL7:41 amLambert-St Louis
11h 47m
2 stops
PBI8:28 pmPalm Beach Intl
$374

Southwest flights from West Palm Beach to St. Louis

Our best Southwest deals on West Palm Beach to St. Louis flight tickets
Southwest
Feb 25
PBI1:25 pmPalm Beach Intl
6h 35m
1 stop
STL7:00 pmLambert-St Louis
Mar 2
STL5:10 amLambert-St Louis
5h 30m
1 stop
PBI11:40 amPalm Beach Intl
$285
Southwest
Feb 24
PBI7:05 amPalm Beach Intl
6h 40m
2 stops
STL12:45 pmLambert-St Louis
Feb 28
STL5:05 amLambert-St Louis
9h 45m
2 stops
PBI3:50 pmPalm Beach Intl
$331
Southwest
May 11
PBI6:45 amPalm Beach Intl
9h 45m
2 stops
STL3:30 pmLambert-St Louis
May 20
STL6:35 amLambert-St Louis
6h 45m
1 stop
PBI2:20 pmPalm Beach Intl
$333

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 January 28, 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

Fri 2/13

1:09 pm-6:51 am

1 stop18h 42m

Lambert-St Louis

Wed 2/18

8:17 pm-9:54 am

2 stops36h 37m

$229

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Tue 2/10

12:13 pm-6:51 am

2 stops19h 38m

Lambert-St Louis

Sat 2/14

8:17 pm-12:06 pm

1 stop14h 49m

$235

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Wed 2/25

1:25 pm-7:00 pm

1 stop6h 35m

Lambert-St Louis

Mon 3/2

5:10 am-11:40 am

1 stop5h 30m

$285

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Wed 2/25

4:10 pm-9:05 pm

1 stop5h 55m

Lambert-St Louis

Mon 3/2

9:55 am-8:31 pm

2 stops9h 36m

$290

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Fri 2/20

1:09 pm-6:51 am

1 stop18h 42m

Lambert-St Louis

Sun 2/22

3:49 pm-12:32 pm

2 stops19h 43m

$316

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Thu 2/26

1:50 pm-8:09 pm

1 stop7h 19m

Lambert-St Louis

Mon 3/2

9:41 am-6:52 pm

1 stop8h 11m

$321

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Thu 2/19

4:59 pm-10:14 pm

1 stop6h 15m

Lambert-St Louis

Mon 2/23

11:25 am-10:00 pm

2 stops9h 35m

$326

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Fri 2/27

5:09 pm-11:35 pm

1 stop7h 26m

Lambert-St Louis

Wed 3/4

10:37 am-6:16 pm

1 stop6h 39m

$327

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Tue 2/24

7:05 am-12:45 pm

2 stops6h 40m

Lambert-St Louis

Sat 2/28

5:05 am-3:50 pm

2 stops9h 45m

$331

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Mon 5/11

6:45 am-3:30 pm

2 stops9h 45m

Lambert-St Louis

Wed 5/20

6:35 am-2:20 pm

1 stop6h 45m

$333

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 January 2026, prices for West Palm Beach to St. Louis flights are approximately 8% cheaper 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

Mon, Tue, Wed, Thu, Fri and Sat

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 on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. There are no airlines offering direct flights.
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
8,124 reviews
Search Delta flights
SouthwestPriceFrom $235Free CancellationRating
8.0
4,267 reviews
Search Southwest flights
American AirlinesPriceFrom $324Free CancellationRating
7.2
11,199 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
Fenton
St. Peters
Wentzville
Alton
Farmington
Clayton
Edwardsville
Eureka
Festus
Glencoe
Litchfield
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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