$671 Cheap Flights from Charlotte (CLT) to Castries (SLU)

View $671 flight on Sun, Dec 28, 2025Opens in a new window

Popular airlines from Charlotte-Douglas Intl. Airport (CLT) to George F. L. Charles Airport (SLU)

Cheap Flights from Charlotte to Castries (CLT-SLU)

Prices were available within the past 7 days and start at $671 for one-way flights and $1,146 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, Dec 14 - Fri, Dec 19
CLT
Charlotte
SLU
Castries
$1,146 Roundtrip, found 21 hours ago
$1,146
Roundtrip
found 21 hours ago
Select United flight, departing Sun, Dec 14 from Charlotte to Castries, returning Fri, Dec 19, priced at $1,146 found 21 hours ago

Find the cheapest month to fly from Charlotte (CLT) to Castries (SLU)

August is typically the cheapest month to fly

From $471 - $801 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 $624
UVF
Hewanorra Intl.
Cheapest
Average driving time to city center53 min
Flights from $624
Flights from Charlotte (CLT) to Castries (SLU)
Origin airport
Charlotte-Douglas Intl.
Destination airport
George F. L. Charles
Roundtrip price
$1,146
Distance
1919 mi

Charlotte to Castries Flights

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

 

The best time to book a flight from Charlotte to Castries

Sunday is one of the best days to book for cheap flights from Charlotte 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 Charlotte 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 Charlotte to Castries in 2025. You can also book with separate airlines for your outbound and return journeys, from $671 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 Charlotte 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 Charlotte 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 Charlotte-Douglas Intl. Airport (CLT) to George F. L. Charles Airport (SLU) cost?
Lock in a cheap one-way flight from $671 or cheap return flight from $1,146 from Charlotte-Douglas Intl. Airport (CLT) 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 deals on this route.
What is the cheapest month to fly from Charlotte-Douglas Intl. Airport (CLT) to George F. L. Charles Airport (SLU)?
Planning your getaway for December may help you find better deals, as it's the cheapest month for flights between CLT and SLU. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from Charlotte-Douglas Intl. Airport (CLT) to George F. L. Charles Airport (SLU)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest CLT to SLU flight.
How many flights per day from Charlotte-Douglas Intl. Airport (CLT) to George F. L. Charles Airport (SLU)?
Direct flights from Charlotte-Douglas Intl. Airport (CLT) to George F. L. Charles Airport (SLU) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from CLT to SLU?
Typically you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* However, this can change 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 Charlotte-Douglas Intl. Airport (CLT) to George F. L. Charles Airport (SLU)?
To avoid potential delays on the Charlotte-Douglas Intl. Airport (CLT) to George F. L. Charles Airport (SLU) route, aim to travel 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.
What airports do you fly into for Castries from Charlotte-Douglas Intl. Airport (CLT)?
Hewanorra Intl. Airport (UVF) is the only airport in Castries with direct flights from Charlotte-Douglas Intl. Airport (CLT). Compare the available options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Charlotte-Douglas Intl. Airport (CLT) to George F. L. Charles Airport (SLU) last-minute?
Booking your plane ticket from CLT to SLU just before your trip is typically more expensive. However, if you're flexible with your schedule, you could score a cheap last-minute fare.
Is it cheaper to book a CLT to SLU flight and hotel package?
Securing a CLT to SLU flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Pick from our extensive range of hotels and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Charlotte-Douglas Intl. Airport (CLT) to George F. L. Charles Airport (SLU)?
Typically, you can modify or cancel your CLT to SLU flight. However, additional charges may apply, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you'd like further details, visit our Customer Service portal.

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*Available to One Key members.