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Cheap flights from West Palm Beach to St. Louis from $109

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 12/11. 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

Frontier Logo
1:23 pm - 12:09 pmPBI-STL
47h 46m2 stops
Frontier Logo
2:12 pm - 12:28 pmSTL-PBI
21h 16m2 stops
$231Frontier
Find Deal
vie., oct. 31 - dom., nov. 2
American Airlines Logo
10:42 am - 9:29 pmPBI-STL
11h 47m1 stop
American Airlines Logo
6:00 am - 4:32 pmSTL-PBI
9h 32m1 stop
$257American Airlines
Find Deal
mar., oct. 14 - lun., oct. 20
Frontier Logo
1:30 pm - 10:37 amPBI-STL
22h 07m1 stop
Frontier Logo
7:52 pm - 12:14 pmSTL-PBI
39h 22m2 stops
$271Frontier
Find Deal
jue., oct. 9 - mar., oct. 14
American Airlines Logo
3:12 pm - 6:46 pmPBI-STL
4h 34m1 stop
American Airlines Logo
6:00 am - 4:32 pmSTL-PBI
9h 32m1 stop
$277American Airlines
Find Deal
mié., oct. 15 - lun., oct. 20
Delta Logo
7:10 am - 12:35 pmPBI-STL
6h 25m1 stop
Delta Logo
9:10 am - 3:44 pmSTL-PBI
5h 34m1 stop
$297Delta
Find Deal
mar., oct. 7 - mié., oct. 15
Southwest Logo
6:35 pm - 10:00 pmPBI-STL
4h 25m1 stop
Southwest Logo
2:15 pm - 11:00 pmSTL-PBI
7h 45m2 stops
$302Southwest
Find Deal
mar., dic. 23 - mar., dic. 30
Delta Logo
7:42 pm - 11:41 pmPBI-STL
4h 59m1 stop
Delta Logo
1:30 pm - 8:43 pmSTL-PBI
6h 13m1 stop
$307Delta
Find Deal
jue., oct. 9 - mar., oct. 14
Southwest Logo
7:00 am - 2:10 pmPBI-STL
8h 10m2 stops
Southwest Logo
9:50 am - 4:25 pmSTL-PBI
5h 35m1 stop
$312Southwest
Find Deal
mar., oct. 14 - lun., oct. 20
United Airlines Logo
7:00 am - 3:44 pmPBI-STL
9h 44m2 stops
United Airlines Logo
11:05 am - 9:57 pmSTL-PBI
9h 52m2 stops
$327United Airlines
Find Deal
sáb., oct. 25 - sáb., nov. 1
United Airlines Logo
7:11 am - 5:39 pmPBI-STL
11h 28m2 stops
United Airlines Logo
6:15 am - 1:00 pmSTL-PBI
5h 45m1 stop
$392United Airlines
Find Deal
mié., nov. 19 - jue., nov. 27

American Airlines flights from West Palm Beach to St. Louis

Our best American Airlines deals on West Palm Beach to St. Louis flight tickets
American Airlines
Oct 14
PBI10:42 amPalm Beach Intl
11h 47m
1 stop
STL9:29 pmLambert-St Louis
Oct 20
STL6:00 amLambert-St Louis
9h 32m
1 stop
PBI4:32 pmPalm Beach Intl
$257
Find similar
American Airlines
Oct 15
PBI3:12 pmPalm Beach Intl
4h 34m
1 stop
STL6:46 pmLambert-St Louis
Oct 20
STL6:00 amLambert-St Louis
9h 32m
1 stop
PBI4:32 pmPalm Beach Intl
$277
Find similar
American Airlines
Oct 15
PBI6:01 amPalm Beach Intl
7h 56m
2 stops
STL12:57 pmLambert-St Louis
Oct 20
STL6:00 amLambert-St Louis
9h 32m
1 stop
PBI4:32 pmPalm Beach Intl
$282
Find similar

Frontier flights from West Palm Beach to St. Louis

Our best Frontier deals on West Palm Beach to St. Louis flight tickets
Frontier
Oct 31
PBI1:23 pmPalm Beach Intl
47h 46m
2 stops
STL12:09 pmLambert-St Louis
Nov 2
STL2:12 pmLambert-St Louis
21h 16m
2 stops
PBI12:28 pmPalm Beach Intl
$231
Find similar
Frontier
Oct 9
PBI1:30 pmPalm Beach Intl
22h 07m
1 stop
STL10:37 amLambert-St Louis
Oct 14
STL7:52 pmLambert-St Louis
39h 22m
2 stops
PBI12:14 pmPalm Beach Intl
$271
Find similar
Frontier
Oct 31
PBI1:23 pmPalm Beach Intl
20h 44m
2 stops
STL9:07 amLambert-St Louis
Nov 2
STL11:27 amLambert-St Louis
24h 01m
1 stop
PBI12:28 pmPalm Beach Intl
$305
Find similar

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 septiembre 17, 2025.
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

vie. 10/31

1:23 pm-12:09 pm

2 stops47h 46m

Lambert-St Louis

dom. 11/2

2:12 pm-12:28 pm

2 stops21h 16m

$231

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

mar. 10/14

10:42 am-9:29 pm

1 stop11h 47m

Lambert-St Louis

lun. 10/20

6:00 am-4:32 pm

1 stop9h 32m

$257

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

jue. 10/9

1:30 pm-10:37 am

1 stop22h 07m

Lambert-St Louis

mar. 10/14

7:52 pm-12:14 pm

2 stops39h 22m

$271

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

mié. 10/15

3:12 pm-6:46 pm

1 stop4h 34m

Lambert-St Louis

lun. 10/20

6:00 am-4:32 pm

1 stop9h 32m

$277

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

mar. 10/7

7:10 am-12:35 pm

1 stop6h 25m

Lambert-St Louis

mié. 10/15

9:10 am-3:44 pm

1 stop5h 34m

$297

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

mar. 12/23

6:35 pm-10:00 pm

1 stop4h 25m

Lambert-St Louis

mar. 12/30

2:15 pm-11:00 pm

2 stops7h 45m

$302

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

jue. 10/9

7:42 pm-11:41 pm

1 stop4h 59m

Lambert-St Louis

mar. 10/14

1:30 pm-8:43 pm

1 stop6h 13m

$307

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

mar. 10/14

7:00 am-2:10 pm

2 stops8h 10m

Lambert-St Louis

lun. 10/20

9:50 am-4:25 pm

1 stop5h 35m

$312

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

sáb. 10/25

7:00 am-3:44 pm

2 stops9h 44m

Lambert-St Louis

sáb. 11/1

11:05 am-9:57 pm

2 stops9h 52m

$327

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

mié. 11/19

7:11 am-5:39 pm

2 stops11h 28m

Lambert-St Louis

jue. 11/27

6:15 am-1:00 pm

1 stop5h 45m

$392

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 $334. 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 $301. 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 Sunday because tickets tend to average around $452. 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 $336 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 $380 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 $315 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 September 2025, prices for West Palm Beach to St. Louis flights are approximately 160% 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

Mon, Tue, 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, Friday and Saturday. There are no airlines offering direct flights.
There is 1 airport near St. Louis: 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 4h 25m, 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
SouthwestPriceFrom $235Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
American AirlinesPriceFrom $284Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $284Free CancellationRating
7.9
7,961 reviews
Search Delta 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
Florissant
Maryland Heights
O'Fallon
Fenton
Collinsville
Wentzville
Alton
St. Peters
Farmington
Festus
Glencoe
Clayton
Edwardsville
Eureka
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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