$567 Cheap Flights from West Palm Beach (PBI) to Castries (SLU)

View $567 flight on Sun, Dec 7, 2025Opens in a new window

Popular airlines from Palm Beach Intl. Airport (PBI) to George F. L. Charles Airport (SLU)

Cheap Flights from West Palm Beach to Castries (PBI-SLU)

Prices were available within the past 7 days and start at $567 for one-way flights and $2,070 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Mar 26 - Mon, Mar 30
PBI
West Palm Beach
SLU
Castries
$2,070 Roundtrip, found 6 days ago
$2,070
Roundtrip
found 6 days ago
Select United flight, departing Thu, Mar 26 from West Palm Beach to Castries, returning Mon, Mar 30, priced at $2,070 found 6 days ago

Alternative airports near Castries

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

Select flight to Hewanorra Intl. UVF. Cheapest option available. Average driving time to city center is 53 minutes. Flights from $814
UVF
Hewanorra Intl.
Cheapest
Average driving time to city center53 min
Flights from $814

Frequently asked questions

How much does a flight from Palm Beach Intl. Airport (PBI) to George F. L. Charles Airport (SLU) cost?
Lock in a cheap one-way flight from $567 or cheap return flight from $2,070 from Palm Beach Intl. Airport (PBI) to George F. L. Charles Airport (SLU) 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 George F. L. Charles Airport (SLU)?
The cheapest month to fly from PBI to SLU is March, 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 George F. L. Charles Airport (SLU)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest PBI to SLU flight.
How many flights per day from Palm Beach Intl. Airport (PBI) to George F. L. Charles Airport (SLU)?
There are no daily nonstop flights departing from Palm Beach Intl. Airport (PBI) to George F. L. Charles Airport (SLU). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from PBI to SLU?
Usually you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* However, this can vary based 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 George F. L. Charles Airport (SLU)?
To avoid potential delays on the Palm Beach Intl. Airport (PBI) to George F. L. Charles Airport (SLU) route, aim to fly before 3 PM. Departures after this hour are 22% more likely to be canceled.**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 George F. L. Charles Airport (SLU) last-minute?
Last-minute bookings from PBI to SLU are usually more expensive. To secure the lowest prices, start looking for flights as soon as possible. That said, if you can play around with your travel dates, it's possible to score a cheap ticket just before your departure.
Is it cheaper to book a PBI to SLU flight and hotel package?
Compared with arranging flights and hotels separately, booking a PBI to SLU flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one place will take the hassle out of travel planning. Simply secure your flights and choose from our wide range of stays, then personalize your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Palm Beach Intl. Airport (PBI) to George F. L. Charles Airport (SLU)?
Typically, it's possible to reschedule or cancel your PBI to SLU flight. However, if it's been more than 24 hours since booking, additional fees 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 details on our Customer Service portal.

Travel information

Travel information

Origin airport
Palm Beach Intl.
Destination airport
George F. L. Charles
Roundtrip price
$2,069
Distance
1511 mi

Book with confidence

Book with confidence

West Palm Beach to Castries Flights

The cheapest times to fly from West Palm Beach to Castries

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 Castries are during the month of March. You can find some of the cheapest flights from West Palm Beach to Castries with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from West Palm Beach to Castries

Sunday is one of the best days to book for cheap flights from West Palm Beach to Castries: 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 Castries

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 Castries in 2025. You can also book with separate airlines for your outbound and return journeys, from $567 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 Castries 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 Castries 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 Castries Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.