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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 4/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
12:17 pm - 5:34 pm
PBI
-
STL
6h 17m
1 stop
Frontier Logo
11:21 am - 6:36 pm
STL
-
PBI
6h 15m
1 stop
$199Frontier
Thu, Apr 2 - Tue, Apr 7
Southwest Logo
11:45 am - 4:25 pm
PBI
-
STL
5h 40m
1 stop
Southwest Logo
10:55 am - 5:15 pm
STL
-
PBI
5h 20m
1 stop
$239Southwest
Sat, May 2 - Sat, May 9
Southwest Logo
11:45 am - 7:35 pm
PBI
-
STL
8h 50m
1 stop
Southwest Logo
12:25 pm - 9:50 pm
STL
-
PBI
8h 25m
2 stops
$244Southwest
Sat, May 2 - Sat, May 9
Southwest Logo
7:00 am - 1:35 pm
PBI
-
STL
7h 35m
2 stops
Southwest Logo
12:25 pm - 9:50 pm
STL
-
PBI
8h 25m
2 stops
$249Southwest
Sat, May 2 - Sat, May 9
Delta Logo
3:55 pm - 11:25 pm
PBI
-
STL
8h 30m
1 stop
Delta Logo
7:03 am - 12:58 pm
STL
-
PBI
4h 55m
1 stop
$271Delta
Thu, Apr 9 - Fri, Apr 10
United Airlines Logo
4:15 pm - 9:52 pm
PBI
-
STL
6h 37m
1 stop
United Airlines Logo
11:15 am - 9:24 pm
STL
-
PBI
9h 09m
2 stops
$276United Airlines
Thu, Apr 9 - Sat, Apr 11
Southwest Logo
6:25 pm - 11:25 pm
PBI
-
STL
6h 00m
1 stop
Southwest Logo
10:55 am - 5:15 pm
STL
-
PBI
5h 20m
1 stop
$280Southwest
Thu, May 14 - Sat, May 16
Southwest Logo
4:15 pm - 11:25 pm
PBI
-
STL
8h 10m
1 stop
Southwest Logo
10:55 am - 9:50 pm
STL
-
PBI
9h 55m
2 stops
$285Southwest
Thu, May 14 - Sat, May 16
Southwest Logo
6:20 am - 2:00 pm
PBI
-
STL
8h 40m
2 stops
Southwest Logo
5:35 am - 3:15 pm
STL
-
PBI
8h 40m
2 stops
$290Southwest
Sat, May 9 - Wed, May 13
Southwest Logo
5:50 pm - 11:15 pm
PBI
-
STL
6h 25m
2 stops
Southwest Logo
10:55 am - 9:50 pm
STL
-
PBI
9h 55m
2 stops
$297Southwest
Thu, May 14 - Sat, May 16

Delta flights from West Palm Beach to St. Louis

Our best Delta deals on West Palm Beach to St. Louis flight tickets
Delta
Apr 9
PBI3:55 pmPalm Beach Intl
8h 30m
1 stop
STL11:25 pmLambert-St Louis
Apr 10
STL7:03 amLambert-St Louis
4h 55m
1 stop
PBI12:58 pmPalm Beach Intl
$271
Delta
Jun 5
PBI6:34 pmPalm Beach Intl
6h 25m
1 stop
STL11:59 pmLambert-St Louis
Jun 7
STL5:30 pmLambert-St Louis
5h 43m
1 stop
PBI12:13 amPalm Beach Intl
$305
Delta
Apr 6
PBI7:52 pmPalm Beach Intl
5h 06m
1 stop
STL11:58 pmLambert-St Louis
Apr 9
STL6:59 pmLambert-St Louis
4h 33m
1 stop
PBI12:32 amPalm Beach Intl
$345

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
Apr 9
PBI4:15 pmPalm Beach Intl
6h 37m
1 stop
STL9:52 pmLambert-St Louis
Apr 11
STL11:15 amLambert-St Louis
9h 09m
2 stops
PBI9:24 pmPalm Beach Intl
$276
United Airlines
Mar 30
PBI5:03 pmPalm Beach Intl
6h 25m
1 stop
STL10:28 pmLambert-St Louis
Apr 11
STL11:15 amLambert-St Louis
9h 09m
2 stops
PBI9:24 pmPalm Beach Intl
$310
United Airlines
Sep 1
PBI6:53 amPalm Beach Intl
9h 45m
2 stops
STL3:38 pmLambert-St Louis
Sep 5
STL6:00 amLambert-St Louis
8h 15m
1 stop
PBI3:15 pmPalm Beach Intl
$353

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 March 10, 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

Cheapest round-trip

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Thu 4/2

12:17 pm-5:34 pm

1 stop6h 17m

Lambert-St Louis

Tue 4/7

11:21 am-6:36 pm

1 stop6h 15m

$199
Quickest round-trip

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Sat 5/2

11:45 am-4:25 pm

1 stop5h 40m

Lambert-St Louis

Sat 5/9

10:55 am-5:15 pm

1 stop5h 20m

$239

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Sat 5/2

11:45 am-7:35 pm

1 stop8h 50m

Lambert-St Louis

Sat 5/9

12:25 pm-9:50 pm

2 stops8h 25m

$244

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Sat 5/2

7:00 am-1:35 pm

2 stops7h 35m

Lambert-St Louis

Sat 5/9

12:25 pm-9:50 pm

2 stops8h 25m

$249

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Thu 4/9

3:55 pm-11:25 pm

1 stop8h 30m

Lambert-St Louis

Fri 4/10

7:03 am-12:58 pm

1 stop4h 55m

$271

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Thu 4/9

4:15 pm-9:52 pm

1 stop6h 37m

Lambert-St Louis

Sat 4/11

11:15 am-9:24 pm

2 stops9h 09m

$276

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Thu 5/14

6:25 pm-11:25 pm

1 stop6h 00m

Lambert-St Louis

Sat 5/16

10:55 am-5:15 pm

1 stop5h 20m

$280

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Thu 5/14

4:15 pm-11:25 pm

1 stop8h 10m

Lambert-St Louis

Sat 5/16

10:55 am-9:50 pm

2 stops9h 55m

$285

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Sat 5/9

6:20 am-2:00 pm

2 stops8h 40m

Lambert-St Louis

Wed 5/13

5:35 am-3:15 pm

2 stops8h 40m

$290

West Palm BeachSt. Louis

PBI - STL

PBISTL

Palm Beach Intl

Thu 5/14

5:50 pm-11:15 pm

2 stops6h 25m

Lambert-St Louis

Sat 5/16

10:55 am-9:50 pm

2 stops9h 55m

$297

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, July 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 $328. The month of August is another great option to travel to St. Louis, with average flight prices from West Palm Beach averaging around $331.

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 $299 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

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 March 2026, prices for West Palm Beach to St. Louis flights are approximately 122% 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, Wed, Thu, Sat and Sun

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, Saturday and Sunday. 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 $196Free CancellationRating
7.9
8,276 reviews
Search Delta flights
American AirlinesPriceFrom $284Free CancellationRating
7.1
11,414 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
Florissant
Maryland Heights
O'Fallon
Collinsville
St. Peters
Fenton
Alton
Wentzville
Farmington
Edwardsville
Festus
Clayton
Eureka
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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