$186 Flights from Atlanta (ATLA) to Castries (SLUA)

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Flight deals from Atlanta to Castries

Looking for a cheap last-minute deal or the best round-trip flight from Atlanta to Castries? If you want to travel next month, round-trip fares start from $649. Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Atlanta to Castries

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Atlanta to Castries flights are currently cheapest in June.

Direct flights from Atlanta to Castries

Alternative Atlanta to Castries routes

Looking for the cheapest, fastest or easiest route from Atlanta to Castries? You could fly into the following airports instead.

Atlanta to Castries: Flight information

The things to know before you go.
Cheapest flight found$186
Cheapest month to flyJune
Average flight time4 hrs, 26 mins
Most popular airlineDelta
Average flights per week23

Finding cheap flights from Atlanta to Castries: Frequently asked questions

There are 2 airports in Castries: St Lucia Vigie and St Lucia Hewanorra.
The best price we found for a round-trip flight from Atlanta to Castries is $462. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
4 hours and 26 minutes is the average flight time from Atlanta to Castries.
Delta and KLM fly direct from Atlanta to Castries.
There are 23 flights per week flying from Atlanta to Castries, as of April 2026.
The cheapest month to fly from Atlanta to Castries is usually June.
If you're flying from Atlanta, the cheapest airport near Castries is St Lucia Hewanorra – which is 19.0 miles away from the center of Castries. We've found flights to this airport from $462.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Atlanta to Castries on Thursday, June 11, 2026.
Yes – the average flight time is 4 hours and 26 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Castries but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Castries is around 40 days in advance, so don’t leave your flight to the last minute.
In April, the average temperature is usually around 80°F. September is typically the warmest month in Castries, when it usually averages around 83°F. You can expect the least rain in February. The coldest month is February, with temperatures averaging 77°F. The rainiest month is October.
The cheapest airline that flies to Castries is Air Canada, and the cheapest airline that flies to St Lucia Hewanorra Airport is Delta.

Flying from Atlanta to Castries: what you need to know

  • Planning your trip begins with figuring out where you'll leave from in Atlanta. Hartsfield-Jackson Atlanta International Airport (ATL) is the city's main airport, so check out your options for booking a flight from Atlanta to Castries taking off from here.

  • When it comes to working out where to arrive in Castries, George F. L. Charles Airport (SLU) and Hewanorra Airport (UVF) are the chief entry points.

  • Around 4 hours 30 minutes is how long you'll be in transit on a direct Atlanta to Castries flight.

  • Atlanta and Castries follow the same timezone, UTC-4.

  • Hartsfield-Jackson Atlanta International Airport (ATL) to Hewanorra Airport (UVF) is the most popular route that connects these two cities. There are seven departures a week to pick from. If you prefer a later start to the day, the last flight from Atlanta to Castries is with Delta Air Lines at 09:46. Go for the first ATL to UVF departure operated by Delta Air Lines at 08:15 to make the most of your arrival in Castries.

  • For a stress-free journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. That way, you won't have to rush to catch your Atlanta to Castries flight.

  • During popular months like July, it's best to get to the airport earlier than usual. Arrive two hours before a domestic departure and four hours ahead for an international flight whenever you're flying during peak periods in general.

How to find the cheapest flights from Atlanta to Castries

  • The lowest price we've found for a one-way ticket from Atlanta to Castries is $186. For a return flight on this route, the best price is $462. Depending on when and how early you book, these fares could change.

  • Lock in cheap Atlanta to Castries flights by booking seven months ahead. According to our research, that's the ideal time frame for picking up a bargain.

  • Organize your trip for October. That's the best month for scoring great bargains on plane tickets from Atlanta to Castries. If you're open to different travel dates, use the 'Whole month' tool to see the lowest price across every month.

  • Snapping up a cheap flight from Atlanta to Castries is easy with Price Alerts. All you need to do is create one of these automatic alerts and we'll let you know as soon as a better deal is available.

  • Select your ideal departure and arrival times, number of stops and airlines with the filters. Or sort your Atlanta to Castries flight results by 'Cheapest,' 'Fastest' or 'Best.'

Flying from Atlanta

Hartsfield-Jackson Atlanta International Airport (ATL)

  • You can get a direct flight from Atlanta to Castries taking off from Hartsfield-Jackson Atlanta International Airport (ATL). Begin your journey at ATL and come in for landing at Hewanorra Airport (UVF).

  • Delta Air Lines is a popular airline that offers direct Atlanta to Castries plane tickets leaving from ATL.

  • Think about adding a stopover to possibly find a cheaper Atlanta to Castries flight. Just deselect 'Direct flights only' when browsing departures from Hartsfield-Jackson Atlanta International Airport. Break up your trip (and maybe save some cash) by stopping at one of these popular options:

    • Charlotte Douglas International Airport (CLT)

    • Miami International Airport (MIA)

    • Grantley Adams International Airport (BGI)

  • Located around 8 miles from central Atlanta, ATL can be reached in about 15 minutes by car, depending on traffic. The journey on public transport takes roughly 1 hour 10 minutes.

  • Want an easy start to your break? Stay near Hartsfield-Jackson Atlanta International Airport. Whether you're boarding an early flight from Atlanta to Castries or want to avoid feeling rushed, these hotels are ideal:

  • 76.64% of flights taking off from Hartsfield-Jackson Atlanta International Airport arrive at their destination on schedule.

  • ATL is located at 6000 N Terminal Parkway.

Arriving in Castries

George F. L. Charles Airport (SLU)

  • The distance from George F. L. Charles Airport (SLU) to central Castries is approximately 1 mile. It'll take you around 5 minutes to get to the center driving.

  • Getting there on public transport will take you around 40 minutes.

  • Reserve a hotel close to SLU if you're coming in on a late flight from Atlanta to Castries. Check in to one of these accommodation options and skip the long transfer:

  • Pick up a George F. L. Charles Airport rental car and explore Castries and beyond with your own wheels. Drive A Matic, Final Rentals and Sixt are top outlets to choose from here.

  • To lock in the lowest price, reserve your ride from George F. L. Charles Airport about one week ahead of your Atlanta to Castries flight.

Hewanorra Airport (UVF)

  • Central Castries is about 19 miles from Hewanorra Airport (UVF). After your flight from Atlanta to Castries has landed and you've made your way out of the airport, the drive should take about 1 hour 10 minutes.

  • There are some comfortable places ready to welcome you near UVF. Tuck yourself in after your Atlanta to Castries flight at any of these perfectly located options:

  • No need to worry about public transport schedules or waiting forever for a cab. Grab a Hewanorra Airport rental car and take your journey in whatever direction you like. Compare offers from Drive A Matic, Sixt and Final Rentals.

  • Get what you want, not just what's left over. Securing your ride from UVF one week ahead of time often means more savings and a greater range of vehicles.

Best time to go to Castries

  • It's time to figure out your travel dates for your flight from Atlanta to Castries. June is the busiest month for a trip to Castries. If you prefer a more low-key vibe, go in February.

  • Lock in an Atlanta to Castries ticket departing in September if you want to explore the city during its warmest month. Expect temperatures in Castries to range from 79ºF to 86ºF.

  • Look for cheap flights from Atlanta to Castries in February if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 75ºF and 82ºF on average.

More about Castries

  • Start your Castries trip off on the right foot by choosing the ideal place to stay. As soon as you've booked your flight from Atlanta to Castries, check out our range of hotels including:

  • Derek Walcott Square and Morne Fortune are just a couple of the top attractions to put on your Castries must-do list. Continue your sightseeing adventures at Immaculate Conception Church.

Explore more of Saint Lucia

  • You've done Castries, now it's time to discover other parts of Saint Lucia. Journey around 20 miles south to Vieux Fort to tick off its must-visit sights. From Maria Islands Museum to Anse Des Sables Beach and YoungFaith Park, you'll have a packed itinerary ahead.

  • Time for another stop? Set out for Micoud. It's about 15 miles south-east of Castries and boasts highlights including Josephine Splash Park and Ti Rocher Community Park.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.