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

Popular airlines from Palm Beach Intl. Airport (PBI) to St. Louis, MO (CPS-St. Louis Downtown)

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Alternative airports near St. Louis

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Lambert-St. Louis Intl. STL. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $402
STL
Lambert-St. Louis Intl.
Cheapest
Average driving time to city center20 min
Flights from $402

Frequently asked questions

How much does a flight from Palm Beach Intl. Airport (PBI) to St. Louis Downtown Airport (CPS) cost?
Secure a cheap one-way flight or cheap return flight from Palm Beach Intl. Airport (PBI) to St. Louis Downtown Airport (CPS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Palm Beach Intl. Airport (PBI) to St. Louis Downtown Airport (CPS)?
The cheapest month to fly from PBI to CPS is , when demand is low. Off-peak season is usually when airlines offer better prices between these airports.
What is the cheapest airline that flies from Palm Beach Intl. Airport (PBI) to St. Louis Downtown Airport (CPS)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll fly you from PBI to CPS. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from Palm Beach Intl. Airport (PBI) to St. Louis Downtown Airport (CPS)?
You'll need to catch a flight with a layover if you're traveling from Palm Beach Intl. Airport (PBI) to St. Louis Downtown Airport (CPS). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from PBI to CPS?
Typically you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can change depending on the season, carrier 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 St. Louis Downtown Airport (CPS)?
Select a flight from Palm Beach Intl. Airport (PBI) to St. Louis Downtown Airport (CPS) that leaves before 3 PM to reduce the risk of cancellations and delays. 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 St. Louis Downtown Airport (CPS) last-minute?
Booking your flight from PBI to CPS shortly before your journey is typically more expensive. But if you're flexible with your itinerary, you could grab a cheap last-minute fare.
Is it cheaper to book a PBI to CPS flight and hotel package?
Booking a PBI to CPS flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Select from our extensive range of hotels and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Palm Beach Intl. Airport (PBI) to St. Louis Downtown Airport (CPS)?
If you reserved your PBI to CPS flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Travel information

Origin airport
Palm Beach Intl.
Destination airport
St. Louis Downtown
Distance
1007 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 . 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 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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