$154 Cheap Flights from West Palm Beach (PBI) to St. Louis (STL)

View $154 flight on Wed, Dec 10, 2025Opens in a new window

Popular airlines from Palm Beach Intl. Airport (PBI) to St. Louis Lambert Intl. Airport (STL)

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Cheap Flights from West Palm Beach to St. Louis (PBI-STL)

Prices were available within the past 7 days and start at $154 for one-way flights and $292 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Oct 7 - Wed, Oct 8
PBI
West Palm Beach
STL
St. Louis
$292 Roundtrip, found 4 days ago
$292
Roundtrip
found 4 days ago
Select United flight, departing Tue, Oct 7 from West Palm Beach to St. Louis, returning Wed, Oct 8, priced at $292 found 4 days ago
Delta
Tue, Dec 9 - Tue, Dec 16
PBI
West Palm Beach
STL
St. Louis
$297 Roundtrip, found 2 days ago
$297
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Dec 9 from West Palm Beach to St. Louis, returning Tue, Dec 16, priced at $297 found 2 days ago
Delta
Tue, Oct 7 - Wed, Oct 8
PBI
West Palm Beach
STL
St. Louis
$299 Roundtrip, found 4 days ago
$299
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Oct 7 from West Palm Beach to St. Louis, returning Wed, Oct 8, priced at $299 found 4 days ago
Southwest Airlines
Tue, Oct 7 - Wed, Oct 8
PBI
West Palm Beach
STL
St. Louis
$302 Roundtrip, found 4 days ago
$302
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Tue, Oct 7 from West Palm Beach to St. Louis, returning Wed, Oct 8, priced at $302 found 4 days ago
American Airlines
Wed, Dec 10 - Mon, Dec 15
PBI
West Palm Beach
STL
St. Louis
$306 Roundtrip, found 2 days ago
$306
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Dec 10 from West Palm Beach to St. Louis, returning Mon, Dec 15, priced at $306 found 2 days ago
Southwest Airlines
Tue, Oct 7 - Wed, Oct 8
PBI
West Palm Beach
STL
St. Louis
$307 Roundtrip, found 4 days ago
$307
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Tue, Oct 7 from West Palm Beach to St. Louis, returning Wed, Oct 8, priced at $307 found 4 days ago
American Airlines
Thu, Nov 27 - Tue, Dec 2
PBI
West Palm Beach
STL
St. Louis
$309 Roundtrip, found 3 days ago
$309
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Nov 27 from West Palm Beach to St. Louis, returning Tue, Dec 2, priced at $309 found 3 days ago
American Airlines
Thu, Nov 27 - Tue, Dec 2
PBI
West Palm Beach
STL
St. Louis
$310 Roundtrip, found 3 days ago
$310
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Nov 27 from West Palm Beach to St. Louis, returning Tue, Dec 2, priced at $310 found 3 days ago
Delta
Wed, Oct 15 - Sat, Oct 18
PBI
West Palm Beach
STL
St. Louis
$311 Roundtrip, found 3 days ago
$311
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Oct 15 from West Palm Beach to St. Louis, returning Sat, Oct 18, priced at $311 found 3 days ago
United
Sat, Feb 14 - Tue, Feb 17
PBI
West Palm Beach
STL
St. Louis
$312 Roundtrip, found 3 days ago
$312
Roundtrip
found 3 days ago
Select United flight, departing Sat, Feb 14 from West Palm Beach to St. Louis, returning Tue, Feb 17, priced at $312 found 3 days ago

Find the cheapest month to fly from West Palm Beach (PBI) to St. Louis (STL)

August is typically the cheapest month to fly

From $162 - $669 per traveler.

Frequently asked questions

How much does a flight from Palm Beach Intl. Airport (PBI) to Lambert-St. Louis Intl. Airport (STL) cost?
Get a cheap one-way flight from $154 or cheap return flight from $292 from Palm Beach Intl. Airport (PBI) to Lambert-St. Louis Intl. Airport (STL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Palm Beach Intl. Airport (PBI) to Lambert-St. Louis Intl. Airport (STL)?
October is the most affordable month to fly from PBI to STL. Traveling outside of peak seasons is often the key to finding a great deal.
Which airlines fly direct from Palm Beach Intl. Airport (PBI) to Lambert-St. Louis Intl. Airport (STL)?
There aren't any direct flights from West Palm Beach, FL (PBI-Palm Beach Intl.) to Lambert-St. Louis Intl. Airport (STL). However, you'll find other airports offering nonstop flights. Start your journey at Fort Lauderdale - Hollywood Intl. Airport (FLL) and head straight to St. Louis without a layover.
What is the cheapest airline that flies from Palm Beach Intl. Airport (PBI) to Lambert-St. Louis Intl. Airport (STL)?
To find the cheapest airline flying from PBI to STL, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Palm Beach Intl. Airport (PBI) to Lambert-St. Louis Intl. Airport (STL)?
You'll have to hop on a flight with a layover if you're traveling from Palm Beach Intl. Airport (PBI) to Lambert-St. Louis Intl. Airport (STL). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from PBI to STL?
Usually you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can vary depending on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Palm Beach Intl. Airport (PBI) to Lambert-St. Louis Intl. Airport (STL)?
Opt for a flight from Palm Beach Intl. Airport (PBI) to Lambert-St. Louis Intl. Airport (STL) that leaves before 3 PM to reduce the risk of cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Palm Beach Intl. Airport (PBI) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Booking your flight from PBI to STL shortly before your trip is typically more expensive. But if there's some wiggle room with your schedule, you could score a cheap last-minute fare.
Is it cheaper to book a PBI to STL flight and hotel package?
Compared with arranging hotels and flights separately, booking a PBI to STL flight and hotel package with Expedia could result in significant savings. Better yet, managing everything in one place will take the stress out of planning your trip. Simply secure your flights and choose from our extensive range of stays, then tailor your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Palm Beach Intl. Airport (PBI) to Lambert-St. Louis Intl. Airport (STL)?
It's generally possible to reschedule or cancel your PBI to STL flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Travel information

Origin airport
Palm Beach Intl.
Destination airport
Lambert-St. Louis Intl.
Airlines serving
American Airlines, Delta, Southwest Airlines, United
Roundtrip price
$292
Distance
1023 mi

Book with confidence

Book with confidence

West Palm Beach to St. Louis Flights

The cheapest times to fly from West Palm Beach to St. Louis

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from West Palm Beach to St. Louis are during the month of October. You can find some of the cheapest flights from West Palm Beach to St. Louis with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from West Palm Beach to St. Louis

Sunday is one of the best days to book for cheap flights from West Palm Beach to St. Louis: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from West Palm Beach to St. Louis

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from West Palm Beach to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $154 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap West Palm Beach to St. Louis flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your West Palm Beach to St. Louis airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

West Palm Beach to St. Louis Flights

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