$367 Cheap Flights from Atlanta (ATL) to Castries (SLU)

View $367 flight on Wed, Jan 14, 2026Opens in a new window

Popular airlines from Hartsfield-Jackson Atlanta International Airport (ATL) to George F. L. Charles Airport (SLU)

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Cheap Flights from Atlanta to Castries (ATL-SLU)

Prices were available within the past 7 days and start at $367 for one-way flights and $925 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Wed, Dec 10 - Sat, Dec 13
ATL
Atlanta
SLU
Castries
$925 Roundtrip, found 4 hours ago
$925
Roundtrip
found 4 hours ago
Select JetBlue Airways flight, departing Wed, Dec 10 from Atlanta to Castries, returning Sat, Dec 13, priced at $925 found 4 hours ago

Find the cheapest month to fly from Atlanta (ATL) to Castries (SLU)

January is typically the cheapest month to fly

From $427 - $885 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 $634
UVF
Hewanorra Intl.
Cheapest
Average driving time to city center53 min
Flights from $634

Frequently asked questions

How much does a flight from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to George F. L. Charles Airport (SLU) cost?
Snag a cheap one-way flight from $367 or cheap return flight from $925 from Hartsfield-Jackson Atlanta Intl. Airport (ATL) 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 Hartsfield-Jackson Atlanta Intl. Airport (ATL) to George F. L. Charles Airport (SLU)?
The cheapest month to fly from ATL to SLU is December, when there's less demand. Off-peak months are typically when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to George F. L. Charles Airport (SLU)?
To find the cheapest airline that'll fly you from ATL to SLU, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to George F. L. Charles Airport (SLU)?
You'll need to take a flight with a layover when traveling from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to George F. L. Charles Airport (SLU). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from ATL to SLU?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change based on various factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to George F. L. Charles Airport (SLU)?
To avoid possible delays on the Hartsfield-Jackson Atlanta Intl. Airport (ATL) to George F. L. Charles Airport (SLU) route, travel before 3 PM. Flights 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.
What airports do you fly into for Castries from Hartsfield-Jackson Atlanta Intl. Airport (ATL)?
If you're taking a direct flight from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Castries, Hewanorra Intl. Airport (UVF) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to George F. L. Charles Airport (SLU) last-minute?
Holding off until right before your break to book your flight from ATL to SLU often results in higher prices. Although you may find some last-minute offers, they aren't always guaranteed. Allow some flexibility in your schedule to boost your chances of getting a bargain.
Is it cheaper to book an ATL to SLU flight and hotel package?
You can save money by booking an ATL to SLU flight and hotel package compared to booking separately. In fact, you 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 including car rentals, activities and tours.
Can I cancel or change the date of my flight from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to George F. L. Charles Airport (SLU)?
It's generally possible to reschedule or cancel your ATL to SLU flight. However, if it's been more than 24 hours since booking, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Hartsfield-Jackson Atlanta Intl.
Destination airport
George F. L. Charles
Roundtrip price
$924
Distance
1998 mi

Book with confidence

Atlanta to Castries Flights

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

 

The best time to book a flight from Atlanta to Castries

Sunday is one of the best days to book for cheap flights from Atlanta 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 Atlanta 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 Atlanta to Castries in 2025. You can also book with separate airlines for your outbound and return journeys, from $367 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 Atlanta 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 Atlanta 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.

 

Atlanta to Castries Flights

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*Available to One Key members.