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Cheap flights from West Palm Beach to St. Louis from $87

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 8/22. 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 (PBI-STL)

Cheap round-trip flights

Delta Logo
8:17 am - 12:35 pmPBI-STL
5h 18m1 stop
Delta Logo
9:10 am - 2:28 pmSTL-PBI
4h 18m1 stop
$239Delta
Find Deal
Wed, Oct 15 - Wed, Oct 22
American Airlines Logo
3:12 pm - 6:46 pmPBI-STL
4h 34m1 stop
American Airlines Logo
6:00 am - 2:22 pmSTL-PBI
7h 22m2 stops
$244American Airlines
Find Deal
Wed, Oct 15 - Wed, Oct 22
American Airlines Logo
6:01 am - 12:57 pmPBI-STL
7h 56m2 stops
American Airlines Logo
6:00 am - 2:22 pmSTL-PBI
7h 22m2 stops
$249American Airlines
Find Deal
Wed, Oct 15 - Wed, Oct 22
Delta Logo
6:00 am - 9:59 amPBI-STL
4h 59m1 stop
Delta Logo
6:01 am - 1:29 pmSTL-PBI
6h 28m1 stop
$267Delta
Find Deal
Wed, Oct 1 - Sat, Oct 4
Southwest Logo
6:00 am - 1:50 pmPBI-STL
8h 50m2 stops
Southwest Logo
12:30 pm - 9:50 pmSTL-PBI
8h 20m2 stops
$277Southwest
Find Deal
Wed, Oct 15 - Wed, Oct 22
Southwest Logo
7:15 am - 11:30 amPBI-STL
5h 15m1 stop
Southwest Logo
1:30 pm - 9:55 pmSTL-PBI
7h 25m2 stops
$300Southwest
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Mon, Sep 8 - Mon, Sep 8
United Airlines Logo
5:24 pm - 11:44 pmPBI-STL
7h 20m1 stop
United Airlines Logo
6:00 am - 3:57 pmSTL-PBI
8h 57m1 stop
$319United Airlines
Find Deal
Tue, Sep 2 - Wed, Sep 3
United Airlines Logo
5:24 pm - 11:44 pmPBI-STL
7h 20m1 stop
United Airlines Logo
6:35 am - 8:33 pmSTL-PBI
12h 58m2 stops
$324United Airlines
Find Deal
Tue, Sep 2 - Wed, Sep 3
Spirit Airlines Logo
9:33 pm - 5:45 pmPBI-STL
21h 12m2 stops
Spirit Airlines Logo
10:57 am - 8:38 pmSTL-PBI
32h 41m3 stops
$353Spirit Airlines
Find Deal
Fri, Oct 17 - Sun, Oct 19
Spirit Airlines Logo
5:00 pm - 5:45 pmPBI-STL
25h 45m3 stops
Spirit Airlines Logo
10:57 am - 3:54 pmSTL-PBI
27h 57m3 stops
$405Spirit Airlines
Find Deal
Fri, Oct 17 - Sun, Oct 19

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
Sep 2
PBI5:24 pmPalm Beach Intl
7h 20m
1 stop
STL11:44 pmLambert-St Louis
Sep 3
STL6:00 amLambert-St Louis
8h 57m
1 stop
PBI3:57 pmPalm Beach Intl
$319
Find similar
United Airlines
Sep 2
PBI5:24 pmPalm Beach Intl
7h 20m
1 stop
STL11:44 pmLambert-St Louis
Sep 3
STL6:35 amLambert-St Louis
12h 58m
2 stops
PBI8:33 pmPalm Beach Intl
$324
Find similar
United Airlines
Aug 27
PBI7:00 amPalm Beach Intl
9h 44m
2 stops
STL3:44 pmLambert-St Louis
Aug 31
STL6:00 amLambert-St Louis
9h 11m
1 stop
PBI4:11 pmPalm Beach Intl
$387
Find similar

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 15
PBI3:12 pmPalm Beach Intl
4h 34m
1 stop
STL6:46 pmLambert-St Louis
Oct 22
STL6:00 amLambert-St Louis
7h 22m
2 stops
PBI2:22 pmPalm Beach Intl
$244
Find similar
American Airlines
Oct 15
PBI6:01 amPalm Beach Intl
7h 56m
2 stops
STL12:57 pmLambert-St Louis
Oct 22
STL6:00 amLambert-St Louis
7h 22m
2 stops
PBI2:22 pmPalm Beach Intl
$249
Find similar
American Airlines
Sep 17
PBI1:39 pmPalm Beach Intl
9h 14m
2 stops
STL9:53 pmLambert-St Louis
Sep 18
STL5:27 amLambert-St Louis
4h 22m
1 stop
PBI10:49 amPalm Beach Intl
$272
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 August 14, 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

Wed 10/15

8:17 am-12:35 pm

1 stop5h 18m

Lambert-St Louis

Wed 10/22

9:10 am-2:28 pm

1 stop4h 18m

$239

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Wed 10/15

3:12 pm-6:46 pm

1 stop4h 34m

Lambert-St Louis

Wed 10/22

6:00 am-2:22 pm

2 stops7h 22m

$244

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Wed 10/15

6:01 am-12:57 pm

2 stops7h 56m

Lambert-St Louis

Wed 10/22

6:00 am-2:22 pm

2 stops7h 22m

$249

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Wed 10/1

6:00 am-9:59 am

1 stop4h 59m

Lambert-St Louis

Sat 10/4

6:01 am-1:29 pm

1 stop6h 28m

$267

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Wed 10/15

6:00 am-1:50 pm

2 stops8h 50m

Lambert-St Louis

Wed 10/22

12:30 pm-9:50 pm

2 stops8h 20m

$277

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Mon 9/8

7:15 am-11:30 am

1 stop5h 15m

Lambert-St Louis

Mon 9/8

1:30 pm-9:55 pm

2 stops7h 25m

$300

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Tue 9/2

5:24 pm-11:44 pm

1 stop7h 20m

Lambert-St Louis

Wed 9/3

6:00 am-3:57 pm

1 stop8h 57m

$319

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Tue 9/2

5:24 pm-11:44 pm

1 stop7h 20m

Lambert-St Louis

Wed 9/3

6:35 am-8:33 pm

2 stops12h 58m

$324

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Fri 10/17

9:33 pm-5:45 pm

2 stops21h 12m

Lambert-St Louis

Sun 10/19

10:57 am-8:38 pm

3 stops32h 41m

$353

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Fri 10/17

5:00 pm-5:45 pm

3 stops25h 45m

Lambert-St Louis

Sun 10/19

10:57 am-3:54 pm

3 stops27h 57m

$405

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 $337. 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 $376 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 $317 on momondo.

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

There are 1 cabin classes 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 August 2025, prices for West Palm Beach to St. Louis flights are approximately 18% 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

Best Price Found

$87

Fastest flight time

4h 15m

Direct flights

None

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from West Palm Beach in the past 72 hours is $87. The best round-trip flight deal from West Palm Beach to St. Louis found on momondo in the last 72 hours is $239.
The fastest flight from West Palm Beach to St. Louis takes 4h 15m
There are no direct flights from West Palm Beach to St. Louis. Popular non-direct route for this connection is Palm Beach Intl Airport - Lambert-St Louis Airport.
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 15m, 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
4,244 reviews
Search Southwest flights
DeltaPriceFrom $268Free CancellationRating
8.0
7,980 reviews
Search Delta flights
American AirlinesPriceFrom $284Free CancellationRating
7.2
10,000 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
Fairview Heights
Hermann
Maryland Heights
Florissant
O'Fallon
Fenton
Wentzville
Collinsville
Alton
St. Peters
Farmington
Festus
Glencoe
Eureka
Clayton
Edwardsville
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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