£239 Cheap Flights from Philipsburg (SXM) to Castries (SLU)

View £239 flight on Thu, 6 Aug 2026Opens in a new window

Popular airlines from Princess Juliana Intl. Airport (SXM) to George F. L. Charles Airport (SLU)

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Cheap Flights from Philipsburg (SXM) to Castries (SLU)

Prices were available within the past 7 days and start at £239 for one-way flights and £483 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sunrise Airways
Thu, 29 Oct - Sat, 7 Nov
SXM
Saint Martin
SLU
Castries
£483 Return, found 12 hours ago
£483
Return
found 12 hours ago
Select Sunrise Airways flight, departing Thu, 29 Oct from Saint Martin to Castries, returning Sat, 7 Nov, priced at £483 found 12 hours ago
Windward Island Airways International
Thu, 21 May - Mon, 25 May
SXM
Saint Martin
SLU
Castries
£489 Return, found 4 hours ago
£489
Return
found 4 hours ago
Select Windward Island Airways International flight, departing Thu, 21 May from Saint Martin to Castries, returning Mon, 25 May, priced at £489 found 4 hours ago
Windward Island Airways International
Mon, 11 May - Sat, 16 May
SXM
Saint Martin
SLU
Castries
£490 Return, found 5 days ago
£490
Return
found 5 days ago
Select Windward Island Airways International flight, departing Mon, 11 May from Saint Martin to Castries, returning Sat, 16 May, priced at £490 found 5 days ago
Windward Island Airways International
Thu, 29 Oct - Sat, 7 Nov
SXM
Saint Martin
SLU
Castries
£491 Return, found 12 hours ago
£491
Return
found 12 hours ago
Select Windward Island Airways International flight, departing Thu, 29 Oct from Saint Martin to Castries, returning Sat, 7 Nov, priced at £491 found 12 hours ago
Windward Island Airways International
Thu, 14 May - Thu, 21 May
SXM
Saint Martin
SLU
Castries
£496 Return, found 6 days ago
£496
Return
found 6 days ago
Select Windward Island Airways International flight, departing Thu, 14 May from Saint Martin to Castries, returning Thu, 21 May, priced at £496 found 6 days ago
interCaribbean Airways
Thu, 21 May - Mon, 25 May
SXM
Saint Martin
SLU
Castries
£503 Return, found 4 hours ago
£503
Return
found 4 hours ago
Select interCaribbean Airways flight, departing Thu, 21 May from Saint Martin to Castries, returning Mon, 25 May, priced at £503 found 4 hours ago
Caribbean Airlines
Tue, 12 May - Sat, 16 May
SXM
Saint Martin
SLU
Castries
£506 Return, found 5 days ago
£506
Return
found 5 days ago
Select Caribbean Airlines flight, departing Tue, 12 May from Saint Martin to Castries, returning Sat, 16 May, priced at £506 found 5 days ago
Windward Island Airways International
Sat, 16 May - Sat, 23 May
SXM
Saint Martin
SLU
Castries
£509 Return, found 6 days ago
£509
Return
found 6 days ago
Select Windward Island Airways International flight, departing Sat, 16 May from Saint Martin to Castries, returning Sat, 23 May, priced at £509 found 6 days ago
interCaribbean Airways
Thu, 14 May - Thu, 21 May
SXM
Saint Martin
SLU
Castries
£509 Return, found 6 days ago
£509
Return
found 6 days ago
Select interCaribbean Airways flight, departing Thu, 14 May from Saint Martin to Castries, returning Thu, 21 May, priced at £509 found 6 days ago
Hahn Air Technologies
Sat, 16 May - Sat, 23 May
SXM
Saint Martin
SLU
Castries
£534 Return, found 6 days ago
£534
Return
found 6 days ago
Select Hahn Air Technologies flight, departing Sat, 16 May from Saint Martin to Castries, returning Sat, 23 May, priced at £534 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 George F. L. Charles SLU. Cheapest and Closest option available. Average driving time to city centre is 6 minutes. Flights from £509
SLU
George F. L. Charles
CheapestClosest
Average driving time to city centre6 min
Flights from £509

Frequently asked questions

Which airlines fly direct from Philipsburg (SXM-Princess Juliana Intl.) to Castries (SLU-George F. L. Charles)?
Enter SXM to SLU and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Philipsburg (SXM-Princess Juliana Intl.) to Castries (SLU-George F. L. Charles)?
To find a cheap flight from Philipsburg (SXM-Princess Juliana Intl.) to Castries (SLU-George F. L. Charles), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Philipsburg (SXM-Princess Juliana Intl.) to Castries (SLU-George F. L. Charles)?
The best airline to fly with from Philipsburg (SXM-Princess Juliana Intl.) to Castries (SLU-George F. L. Charles) will differ from traveller to traveller. If you like to fly early, WM offers early morning flights. If price is the most important factor, WM typically offers the lowest fares. S6 offers the most daily flights from Philipsburg (SXM-Princess Juliana Intl.) to Castries (SLU-George F. L. Charles), which is brilliant if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Philipsburg (SXM-Princess Juliana Intl.) to Castries (SLU-George F. L. Charles)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Philipsburg (SXM-Princess Juliana Intl.) to Castries (SLU-George F. L. Charles)?
There are approximately 2 connecting flights per day from Philipsburg (SXM-Princess Juliana Intl.) (SXM) to Castries (SLU-George F. L. Charles) (SLU). Some common connection points include Grantley Adams Intl. (BGI), Piarco Intl. (POS), and Terrance B. Lettsome Intl. (EIS).
What is the earliest flight from Philipsburg (SXM-Princess Juliana Intl.) to Castries (SLU-George F. L. Charles)?
The earliest flight from Philipsburg (SXM-Princess Juliana Intl.) (SXM) to Castries (SLU-George F. L. Charles) (SLU) typically departs at approximately 7:00 AM local time. This service is operated by WM / S6 and is seasonal, active only in April. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Philipsburg (SXM-Princess Juliana Intl.) to Castries (SLU-George F. L. Charles)?
You'll typically find the most flights from Philipsburg (SXM-Princess Juliana Intl.) (SXM) to Castries (SLU-George F. L. Charles) (SLU) on a Saturday, with around 3 flights available. This gives you a good selection for your travel plans. Major airlines on this route include Winair, LIAT, and Caribbean Airlines.
What are the most popular departure times for flights from Philipsburg (SXM-Princess Juliana Intl.) to Castries (SLU-George F. L. Charles)?
The most popular departure times for flights from Philipsburg (SXM-Princess Juliana Intl.) to Castries (SLU-George F. L. Charles) are in the morning, from 9am to 12pm. About 42% of passengers prefer this time. These times work well because you can get an early start to your travel day and arrive at your destination with plenty of time to settle in.
How long does it take to fly from Philipsburg (SXM-Princess Juliana Intl.) to Castries (SLU-George F. L. Charles)?
A nonstop flight from SXM to SLU typically takes around 1 hour 30 minutes, covering approximately 311 miles. Connecting flights on this route usually add 1 hour 30 minutes to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Philipsburg (SXM-Princess Juliana Intl.) to Castries (SLU-George F. L. Charles)?
Select the "Business class" and "First class" filters when looking for SXM to SLU flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Philipsburg (SXM-Princess Juliana Intl.) to Castries (SLU-George F. L. Charles) flight with Expedia?
It's easy to earn miles on a Philipsburg (SXM-Princess Juliana Intl.) to Castries (SLU-George F. L. Charles) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Castries from Princess Juliana Intl. (SXM)?
If you're planning to travel to Castries from Princess Juliana Intl. (SXM), you can fly directly into George F. L. Charles (SLU) Some flights may connect through major hubs like Grantley Adams Intl. (BGI), Terrance B. Lettsome Intl. (EIS), Robert L. Bradshaw Intl. (SKB) before reaching Castries. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Philipsburg (SXM-Princess Juliana Intl.) to Castries (SLU-George F. L. Charles) at the last minute?
Typically, booking a last minute flight from Philipsburg (SXM-Princess Juliana Intl.) to Castries (SLU-George F. L. Charles) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Philipsburg (SXM-Princess Juliana Intl.) to Castries (SLU-George F. L. Charles) flight and hotel package?
Securing a Philipsburg (SXM-Princess Juliana Intl.) to Castries (SLU-George F. L. Charles) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays 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 Philipsburg (SXM-Princess Juliana Intl.) to Castries (SLU-George F. L. Charles)?
If you booked your Philipsburg (SXM-Princess Juliana Intl.) to Castries (SLU-George F. L. Charles) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. 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

Origin airport
Princess Juliana Intl.
Destination airport
George F. L. Charles
Return price
£482
Distance
498 km
Average flight time
2 hours 12 mins

Book with confidence

Compare flights from Philipsburg to Castries easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Philipsburg to Castries. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to George F. L. Charles in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Princess Juliana Intl. to George F. L. Charles.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Princess Juliana Intl. (SXM) to George F. L. Charles (SLU)

The easiest way to view the best deals on flights from Philipsburg to Castries today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Princess Juliana Intl. to George F. L. Charles start at just £483 and range up to £534.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Philipsburg and Castries
  • booking your flight during October, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Philipsburg to Castries flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Princess Juliana Intl. to George F. L. Charles for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Philipsburg to Castries easily and book with confidence

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