$393 Cheap Flights from New York (LGA) to Castries (SLU)

View $393 flight on Mon, Jan 5, 2026Opens in a new window

Popular airlines from LaGuardia Airport (LGA) to George F. L. Charles Airport (SLU)

Cheap Flights from New York to Castries (LGA-SLU)

Prices were available within the past 7 days and start at $393 for one-way flights and $1,006 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Mon, Feb 16 - Fri, Feb 20
LGA
New York
SLU
Castries
$1,006 Roundtrip, found 6 days ago
$1,006
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Mon, Feb 16 from New York to Castries, returning Fri, Feb 20, priced at $1,006 found 6 days ago

Find the cheapest month to fly from New York (LGA) to Castries (SLU)

February is typically the cheapest month to fly

From $334 - $1,862 per traveler.

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 $972
UVF
Hewanorra Intl.
Cheapest
Average driving time to city center53 min
Flights from $972
Flights from New York (LGA) to Castries (SLU)
Origin airport
LaGuardia
Destination airport
George F. L. Charles
Roundtrip price
$1,005
Distance
2004 mi

New York to Castries Flights

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

 

The best time to book a flight from New York to Castries

Sunday is one of the best days to book for cheap flights from New York 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 New York 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 New York to Castries in 2025. You can also book with separate airlines for your outbound and return journeys, from $393 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 New York 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 New York 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 LaGuardia Airport (LGA) to George F. L. Charles Airport (SLU) cost?
Grab a cheap one-way flight from $393 or cheap return flight from $1,006 from LaGuardia Airport (LGA) 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 LaGuardia Airport (LGA) to George F. L. Charles Airport (SLU)?
February is the least expensive month to fly from LGA to SLU. Avoiding peak travel times is often the key to landing a great deal.
What is the cheapest airline that flies from LaGuardia Airport (LGA) to George F. L. Charles Airport (SLU)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll take you from LGA to SLU. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
How many flights per day from LaGuardia Airport (LGA) to George F. L. Charles Airport (SLU)?
Nonstop flights from LaGuardia Airport (LGA) to George F. L. Charles Airport (SLU) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from LGA to SLU?
Generally you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* But this can change based on the time of year, 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 LaGuardia Airport (LGA) to George F. L. Charles Airport (SLU)?
Select a flight from LaGuardia Airport (LGA) to George F. L. Charles Airport (SLU) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures after this time are on average 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 LaGuardia Airport (LGA) to George F. L. Charles Airport (SLU) last-minute?
Holding off until right before your break to book a ticket from LGA to SLU often results in higher prices. While you may come across some last-minute discounts, there's no guarantee. Allow some flexibility in your schedule for a better chance of landing a bargain.
Is it cheaper to book a LGA to SLU flight and hotel package?
You'll generally save money by booking a LGA to SLU flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. Once you've chosen your ideal accommodations and flights, consider adding extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from LaGuardia Airport (LGA) to George F. L. Charles Airport (SLU)?
If you reserved your LGA to SLU flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

Explore a world of travel with Expedia

*Available to One Key members.