What is the cheapest airline that flies from Lambert-St Louis to Palm Beach Intl?

Frontier is the most popular carrier operating from Lambert-St Louis to Palm Beach Intl

What airlines fly to West Palm Beach?

American Airlines, Southwest and Spirit Airlines are the top three most popular airlines that fly to West Palm Beach from St. Louis according to our data. American Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to West Palm Beach. Keep in mind that there are 7 different airlines that fly to West Palm Beach on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Lambert-St Louis Airport to Palm Beach Intl Airport are refreshed on a daily basis.

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

The number of operators available for flights from Lambert-St Louis Airport to Palm Beach Intl Airport is 3 as of December 2025.

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

What documentation or ID do you need to fly to Palm Beach Intl Airport?

The travel and health documents you'll need for your trip to Palm Beach Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Palm Beach Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$67 Cheap Flights from St. Louis to West Palm Beach in 2025/26

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

8:32 pm - 6:43 pm

STL

PBI

21h 11m1 stop

7:33 pm - 11:33 pm

PBI

STL

29h 00m2 stops

$210Multiple Airlines

Wed, Jan 14 - Wed, Jan 28

8:17 pm - 12:32 pm

STL

PBI

15h 15m1 stop

7:32 pm - 1:19 pm

PBI

STL

18h 47m1 stop

$232Frontier

Sat, Feb 28 - Sun, Mar 8

8:17 pm - 12:32 pm

STL

PBI

15h 15m1 stop

1:40 pm - 10:37 am

PBI

STL

21h 57m2 stops

$248Multiple Airlines

Sat, Feb 28 - Tue, Mar 10

7:41 am - 2:58 pm

STL

PBI

6h 17m1 stop

4:07 pm - 9:42 pm

PBI

STL

6h 35m1 stop

$249United Airlines

Tue, Mar 3 - Tue, Mar 10

9:55 am - 8:28 pm

STL

PBI

9h 33m2 stops

4:07 pm - 9:42 pm

PBI

STL

6h 35m1 stop

$254United Airlines

Tue, Mar 3 - Tue, Mar 10

8:17 pm - 12:32 pm

STL

PBI

15h 15m1 stop

11:20 am - 11:19 pm

PBI

STL

12h 59m2 stops

$261Multiple Airlines

Sat, Feb 28 - Wed, Mar 11

3:49 pm - 8:00 pm

STL

PBI

27h 11m2 stops

7:32 pm - 1:19 pm

PBI

STL

18h 47m1 stop

$273Frontier

Mon, Mar 2 - Sun, Mar 8

8:17 pm - 3:39 pm

STL

PBI

18h 22m2 stops

7:32 pm - 1:19 pm

PBI

STL

18h 47m1 stop

$282Frontier

Sat, Feb 28 - Sun, Mar 8

7:00 am - 2:41 pm

STL

PBI

6h 41m1 stop

4:21 pm - 9:13 pm

PBI

STL

5h 52m1 stop

$285United Airlines

Thu, Jan 22 - Tue, Jan 27

9:57 am - 8:34 pm

STL

PBI

9h 37m2 stops

9:00 am - 2:30 pm

PBI

STL

6h 30m1 stop

$290United Airlines

Thu, Jan 22 - Tue, Jan 27

United Airlines flights from St. Louis to West Palm Beach

Our best United Airlines deals on St. Louis to West Palm Beach flight tickets

United Airlines

Mar 3

STL7:41 amLambert-St Louis

6h 17m

1 stop

PBI2:58 pmPalm Beach Intl

Mar 10

PBI4:07 pmPalm Beach Intl

6h 35m

1 stop

STL9:42 pmLambert-St Louis

$249

Find similar

United Airlines

Mar 3

STL9:55 amLambert-St Louis

9h 33m

2 stops

PBI8:28 pmPalm Beach Intl

Mar 10

PBI4:07 pmPalm Beach Intl

6h 35m

1 stop

STL9:42 pmLambert-St Louis

$254

Find similar

United Airlines

Jan 22

STL7:00 amLambert-St Louis

6h 41m

1 stop

PBI2:41 pmPalm Beach Intl

Jan 27

PBI4:21 pmPalm Beach Intl

5h 52m

1 stop

STL9:13 pmLambert-St Louis

$285

Find similar

American Airlines flights from St. Louis to West Palm Beach

Our best American Airlines deals on St. Louis to West Palm Beach flight tickets

American Airlines

Feb 24

STL9:32 amLambert-St Louis

7h 27m

2 stops

PBI5:59 pmPalm Beach Intl

Feb 28

PBI6:05 amPalm Beach Intl

9h 40m

2 stops

STL2:45 pmLambert-St Louis

$295

Find similar

American Airlines

Jan 19

STL6:00 amLambert-St Louis

8h 30m

1 stop

PBI3:30 pmPalm Beach Intl

Jan 23

PBI6:35 pmPalm Beach Intl

15h 49m

1 stop

STL9:24 amLambert-St Louis

$331

Find similar

American Airlines

Jan 15

STL7:00 amLambert-St Louis

9h 06m

1 stop

PBI5:06 pmPalm Beach Intl

Jan 22

PBI12:24 pmPalm Beach Intl

7h 10m

1 stop

STL6:34 pmLambert-St Louis

$350

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from St. Louis to West Palm Beach that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisWest Palm Beach

STL - PBI

STLPBI

Lambert-St Louis

Wed 1/14

8:32 pm-6:43 pm

1 stop21h 11m

Palm Beach Intl

Wed 1/28

7:33 pm-11:33 pm

2 stops29h 00m

$210

St. LouisWest Palm Beach

STL - PBI

STLPBI

Lambert-St Louis

Sat 2/28

8:17 pm-12:32 pm

1 stop15h 15m

Palm Beach Intl

Sun 3/8

7:32 pm-1:19 pm

1 stop18h 47m

$232

St. LouisWest Palm Beach

STL - PBI

STLPBI

Lambert-St Louis

Sat 2/28

8:17 pm-12:32 pm

1 stop15h 15m

Palm Beach Intl

Tue 3/10

1:40 pm-10:37 am

2 stops21h 57m

$248

St. LouisWest Palm Beach

STL - PBI

STLPBI

Lambert-St Louis

Tue 3/3

7:41 am-2:58 pm

1 stop6h 17m

Palm Beach Intl

Tue 3/10

4:07 pm-9:42 pm

1 stop6h 35m

$249

St. LouisWest Palm Beach

STL - PBI

STLPBI

Lambert-St Louis

Tue 3/3

9:55 am-8:28 pm

2 stops9h 33m

Palm Beach Intl

Tue 3/10

4:07 pm-9:42 pm

1 stop6h 35m

$254

St. LouisWest Palm Beach

STL - PBI

STLPBI

Lambert-St Louis

Sat 2/28

8:17 pm-12:32 pm

1 stop15h 15m

Palm Beach Intl

Wed 3/11

11:20 am-11:19 pm

2 stops12h 59m

$261

St. LouisWest Palm Beach

STL - PBI

STLPBI

Lambert-St Louis

Mon 3/2

3:49 pm-8:00 pm

2 stops27h 11m

Palm Beach Intl

Sun 3/8

7:32 pm-1:19 pm

1 stop18h 47m

$273

St. LouisWest Palm Beach

STL - PBI

STLPBI

Lambert-St Louis

Sat 2/28

8:17 pm-3:39 pm

2 stops18h 22m

Palm Beach Intl

Sun 3/8

7:32 pm-1:19 pm

1 stop18h 47m

$282

St. LouisWest Palm Beach

STL - PBI

STLPBI

Lambert-St Louis

Thu 1/22

7:00 am-2:41 pm

1 stop6h 41m

Palm Beach Intl

Tue 1/27

4:21 pm-9:13 pm

1 stop5h 52m

$285

St. LouisWest Palm Beach

STL - PBI

STLPBI

Lambert-St Louis

Thu 1/22

9:57 am-8:34 pm

2 stops9h 37m

Palm Beach Intl

Tue 1/27

9:00 am-2:30 pm

1 stop6h 30m

$290

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

Prices

Airlines

What is the cheapest month to fly to West Palm Beach?

If you’re not able to fly to West Palm Beach in September, then November is your next best option. Flight prices from St. Louis to West Palm Beach during November average around $333.

What is the cheapest day to depart on your flight to West Palm Beach?

The cheapest day to depart on your flight to West Palm Beach is on a Sunday when prices can be found for as low as $371. 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 Monday because tickets tend to average around $704. These prices are subject to change though, so be sure to set up a Price Alert for flights to West Palm Beach.

What is the cheapest time of day to depart on your flight to West Palm Beach?

Our data shows that the cheapest St. Louis to West Palm Beach flights are usually those with departure times in the afternoon. Our users have found flights to West Palm Beach in the afternoon for as low as $342. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $588 on average. Flights to West Palm Beach from St. Louis at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

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

How far in advance should I book a flight to West Palm Beach?

You are more likely to see cheaper flights to West Palm Beach from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to West Palm Beach for around $379 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to West Palm Beach from St. Louis for as low as $318 on momondo.

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

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

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

As of December 2025, prices for St. Louis to West Palm Beach flights are approximately 3% cheaper when compared to flights at the same time last year.

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

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

Estimated round-trip price

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

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

Fastest flight time	2h 35m
Direct flights	Wed, Thu, Fri, Sat and Sun
Airports in West Palm Beach	1 airport

The fastest flight from St. Louis to West Palm Beach takes 2h 35m

Direct flights go from St. Louis to West Palm Beach on Wednesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.

There is 1 airport in West Palm Beach. From St. Louis there are direct flights to Palm Beach Intl (PBI).

Search flight deals

How far is Lambert-St Louis to Palm Beach Intl by plane?
The distance between Lambert-St Louis and Palm Beach Intl is about 1010.8 mi. Typically, this will take 2h 35m by plane in normal conditions.
When did momondo last update prices for flights from Lambert-St Louis Airport to Palm Beach Intl Airport?
Prices for flights from Lambert-St Louis Airport to Palm Beach Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Lambert-St Louis Airport to Palm Beach Intl Airport?
The number of operators available for flights from Lambert-St Louis Airport to Palm Beach Intl Airport is 3 as of December 2025.
How old do you have to be to fly from Lambert-St Louis Airport to Palm Beach Intl 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 Lambert-St Louis Airport to Palm Beach Intl Airport.
What documentation or ID do you need to fly to Palm Beach Intl Airport?
The travel and health documents you'll need for your trip to Palm Beach Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Palm Beach Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from St. Louis to West Palm Beach?
Based on momondo bookings for flights between St. Louis and West Palm Beach, the leading plane model is Boeing 737-700 Passenger/BBJ1 (winglets), making up 25.00% of the total bookings. Other popular models include Boeing 737-800 with 25.00%, Boeing 737 MAX 8 with 12.50%, and Airbus A321 (sharklets) with 12.50%.
What is the most popular airline from St. Louis to West Palm Beach?
Based on momondo bookings for flights between St. Louis and West Palm Beach, the leading airline is Delta, making up 54% of the total bookings. Other popular airlines include American Airlines with 34% and Southwest with 12%.

Best airlines flying from St. Louis to West Palm Beach

Compare and see reviews for airlines that fly from St. Louis to West Palm Beach with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $248	Free Cancellation	Rating 7.2 11,054 reviews	Search American Airlines flights
Delta	PriceFrom $268	Free Cancellation	Rating 7.9 8,014 reviews	Search Delta flights
Southwest	PriceFrom $359	Free Cancellation	Rating 8.0 4,253 reviews	Search Southwest flights

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to West Palm Beach. momondo saves you time and could save you money on your trip.

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

Flights from St. Louis to West Palm Beach with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

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

If you are not ready to book a flight from St. Louis to West Palm Beach now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to West Palm Beach and let you know when they change.

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Cheap flights from St. Louis to West Palm Beach from $67

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to West Palm Beach departing on 2/21. 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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United Airlines flights from St. Louis to West Palm Beach

Our best United Airlines deals on St. Louis to West Palm Beach flight tickets

American Airlines flights from St. Louis to West Palm Beach

Our best American Airlines deals on St. Louis to West Palm Beach flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from St. Louis to West Palm Beach that are best for you.

See travel insights to West Palm Beach from

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

What is the cheapest month to fly to West Palm Beach?

If you’re not able to fly to West Palm Beach in September, then November is your next best option. Flight prices from St. Louis to West Palm Beach during November average around $333.

What is the cheapest day to depart on your flight to West Palm Beach?

What is the cheapest time of day to depart on your flight to West Palm Beach?

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

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

How far in advance should I book a flight to West Palm Beach?

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

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

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

As of December 2025, prices for St. Louis to West Palm Beach flights are approximately 3% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Lambert-St Louis to Palm Beach Intl?

Frontier is the most popular carrier operating from Lambert-St Louis to Palm Beach Intl

What airlines fly to West Palm Beach?

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

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

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

Fastest flight time

Direct flights

Airports in West Palm Beach

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

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

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

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

What documentation or ID do you need to fly to Palm Beach Intl Airport?

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

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

Best airlines flying from St. Louis to West Palm Beach

Compare and see reviews for airlines that fly from St. Louis to West Palm Beach with momondo

Traveling to a place near West Palm Beach?

Why use momondo?

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

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

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

I’m not ready to book a flight from St. Louis to West Palm Beach right now. Can momondo alert me if prices change?

An easier way to manage your West Palm Beach trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Florida