$1,286 Cheap Flights from Palm Springs (PSP) to Castries (SLU)

View $1,286 flight on Wed, Dec 24, 2025Opens in a new window

Popular airlines from Palm Springs Intl. Airport (PSP) to George F. L. Charles Airport (SLU)

Cheap Flights from Palm Springs to Castries (PSP-SLU)

Prices were available within the past 7 days and start at $1,286 for one-way flights and $2,520 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Dec 24 - Sun, Dec 28
PSP
Palm Springs
SLU
Castries
$2,520 Roundtrip, found 6 days ago
$2,520
Roundtrip
found 6 days ago
Select United flight, departing Wed, Dec 24 from Palm Springs to Castries, returning Sun, Dec 28, priced at $2,520 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 $656
UVF
Hewanorra Intl.
Cheapest
Average driving time to city center53 min
Flights from $656
Flights from Palm Springs (PSP) to Castries (SLU)
Origin airport
Palm Springs Intl.
Destination airport
George F. L. Charles
Roundtrip price
$2,520
Distance
3714 mi

Palm Springs to Castries Flights

The cheapest times to fly from Palm Springs 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 Palm Springs to Castries are during the month of December. You can find some of the cheapest flights from Palm Springs to Castries with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Palm Springs to Castries

Sunday is one of the best days to book for cheap flights from Palm Springs 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 Palm Springs 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 Palm Springs to Castries in 2025. You can also book with separate airlines for your outbound and return journeys, from $1,286 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 Palm Springs 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 Palm Springs 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.

 

Frequently asked questions

How much does a flight from Palm Springs Intl. Airport (PSP) to George F. L. Charles Airport (SLU) cost?
Get a cheap one-way flight from $1,286 or cheap return flight from $2,520 from Palm Springs Intl. Airport (PSP) 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 Springs Intl. Airport (PSP) to George F. L. Charles Airport (SLU)?
Planning your getaway for December is a good way to save, as it's the cheapest month for flights between PSP and SLU. You'll usually find the lowest prices during the off-season.
What is the cheapest airline that flies from Palm Springs Intl. Airport (PSP) to George F. L. Charles Airport (SLU)?
To find the cheapest airline that'll fly you from PSP to SLU, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Palm Springs Intl. Airport (PSP) to George F. L. Charles Airport (SLU)?
There are no daily direct flights available from Palm Springs Intl. Airport (PSP) to George F. L. Charles Airport (SLU). But you can choose flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from PSP to SLU?
Generally you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* But this can change depending on the season, airline 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 Springs Intl. Airport (PSP) to George F. L. Charles Airport (SLU)?
To avoid potential delays on the Palm Springs Intl. Airport (PSP) to George F. L. Charles Airport (SLU) route, aim to fly before 3 PM. Departures after this time have a 22% higher chance of cancellation.**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 Springs Intl. Airport (PSP) to George F. L. Charles Airport (SLU) last-minute?
Waiting until just before your trip to book your flight from PSP to SLU often results in higher prices. Although you may find some last-minute deals, there's no guarantee. Be flexible with your travel plans for a better chance of snagging a bargain.
Is it cheaper to book a PSP to SLU flight and hotel package?
Securing a PSP to SLU flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Pick from our wide range of hotels and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Palm Springs Intl. Airport (PSP) to George F. L. Charles Airport (SLU)?
In most cases, you can reschedule or cancel your PSP to SLU flight. However, additional fees may apply, especially if you booked more than 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you need further details, visit our Customer Service portal.

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*Available to One Key members.