C$348 Cheap 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 return flight from Atlanta to Castries? If you want to travel next month, return fares start from C$934. Find the lowest prices on one-way and return 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 August.

Which airlines fly 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 foundC$348
Cheapest month to flyAugust
Average flight time4 hrs, 27 mins
Most popular airlineKLM
Average flights per week272

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 return flight from Atlanta to Castries is C$881. 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 27 minutes is the average flight time from Atlanta to Castries.
KLM and Delta fly direct from Atlanta to Castries.
As of June 2026, there are 17 flights per week flying from Atlanta to Castries.
The cheapest month to fly from Atlanta to Castries is usually August.
If you're flying from Atlanta, the cheapest airport near Castries is St Lucia Hewanorra – which is 30.5 km away from the centre of Castries. We've found flights into this airport from C$881.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Atlanta to Castries on Saturday, August 29, 2026.
Yes – the average flight time is 4 hours and 27 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 June, the average temperature is usually around 28°C. September is typically the warmest month in Castries, when it usually averages around 28°C. You can expect the least rain in February. The coldest month is February, with temperatures averaging 25°C. The rainiest month is October.
The cheapest airline that flies to Castries is Frontier Airlines. And the cheapest airline that flies to St Lucia Hewanorra Airport is Delta.

Travelling from Atlanta to Castries: what you need to know

  • Planning your getaway starts with working out where you'll fly out of in Atlanta. Hartsfield-Jackson Atlanta International Airport (ATL) is the city's main base, so check out your options for booking a flight from Atlanta to Castries taking off from here.

  • Hop off your plane in Castries at Hewanorra Airport (UVF) or George F. L. Charles Airport (SLU).

  • On average, direct flights from Atlanta to Castries take 4 hours 26 minutes. Castries and Atlanta are in the same timezone (UTC-4), so you won't need to change your watch once you land.

  • The busiest route for flights from Atlanta to Castries is from Hartsfield-Jackson Atlanta International Airport (ATL) to Hewanorra Airport (UVF). You can select from 10 weekly services between these two airports. If you want to head off as soon as possible, the earliest flight from ATL to UVF is the 08:15 Delta Air Lines service. If you prefer to travel later, the final departure is at 10:14 with Delta Air Lines.

  • Give yourself enough time to get on your flight from Atlanta to Castries. As a rule of thumb, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Be prepared for longer queues in popular months such as July and other peak periods. Arriving up to four hours ahead of an international flight and two hours for domestic departures is a smart move.

  • You can enter Saint Lucia for tourism purposes without a visa if you have a passport from United States. But before reserving your cheap flight from Atlanta to Castries, make sure you have the latest information. Visa rules can change, and you may need some documentation if your trip is for business or another reason.

Flying from Atlanta

Hartsfield-Jackson Atlanta International Airport (ATL)

  • If you're searching for a direct flight from Atlanta to Castries, you can leave from Hartsfield-Jackson Atlanta International Airport (ATL). Travel from ATL to Hewanorra Airport (UVF) without any stops.

  • Delta Air Lines is a well-known airline that offers direct flights from Atlanta to Castries jetting out of ATL.

  • Consider adding a stopover to possibly find a cheaper flight from Atlanta to Castries. Simply uncheck 'Direct flights only' when searching for departures from Hartsfield-Jackson Atlanta International Airport. Break up the journey at one of these popular options:

    • Grantley Adams International Airport (BGI)

    • Miami International Airport (MIA)

    • Charlotte Douglas International Airport (CLT)

  • Travelling from central Atlanta to ATL takes around 1 hour and 9 minutes on public transport. If you ride-share, drive or grab a cab, you'll cover the 18 kilometres in 17 minutes or so, depending on traffic conditions.

  • Planning to catch an early flight from Atlanta to Castries? Avoid the stress of rushing to the terminal (and catch some extra z's) by picking one of these hotels near Hartsfield-Jackson Atlanta International Airport:

Arriving in Castries

Hewanorra Airport (UVF)

  • Hewanorra Airport (UVF) to central Castries is approximately 56 kilometres. It'll take you around 1 hour and 9 minutes to get to the centre driving.

  • The last thing you want is a long journey to your hotel if you're arriving on a late flight from Atlanta to Castries. Stay at one of these accommodation options near UVF instead:

George F. L. Charles Airport (SLU)

  • George F. L. Charles Airport (SLU) is about 3 kilometres from central Castries. Once you've disembarked your flight from Atlanta to Castries, allow for a drive time of approximately 6 minutes to get to the heart of the city.

  • Public transport will get you there in about 40 minutes.

  • After your flight from Atlanta to Castries, settle in at a hotel close to SLU. These are some comfortable accommodation options that'll help you switch to relaxation mode:

How to find the cheapest flights from Atlanta to Castries

  • The cheapest price we've found for a one-way ticket from Atlanta to Castries is C$348. For a return flight on this route, the best price is C$881. Depending on how early you book and the availability, these fares can change.

  • Score cheap flights from Atlanta to Castries by booking 2 months ahead. According to our research, that's the sweet spot for landing a bargain.

  • Organize your trip for October. That's the cheapest month for tickets from Atlanta to Castries. If your travel dates are flexible, use the 'Whole month' tool to find the cheapest price across every month.

  • Log into your online account or use the app to create a Price Alert. We'll get in touch right away if there's a better deal on this route. It's easy to do, and it'll save you time searching for cheap flights from Atlanta to Castries every day.

  • Use filters to tailor your flights from Atlanta to Castries. Simply select your preferred departure and arrival times, airlines and number of stops. Or sort your results by 'Cheapest' to get the best deals.

Best time to go to Castries

  • July is the most popular month for flights from Atlanta to Castries. To skip the crowds, visit Castries in May.

  • Lock in your flight from Atlanta to Castries for September if you'd like to head to the city during its warmest month. Expect temperatures in Castries to range from 26ºC to 30ºC.

  • For cooler conditions, look for a cheap ticket from Atlanta to Castries in February when temperatures average between 24ºC and 28ºC.

More about Castries

  • After booking your flight from Atlanta to Castries, think about where you'll stay in this city. Make one of these options your base for exploring Castries:

  • There are so many things to see and do in this city it can be hard to know where to begin. Derek Walcott Square, Morne Fortune and Immaculate Conception Church are leading attractions which should feature on any well-planned Castries itinerary.

Complete your Castries trip with a car rental

  • Finding you a cheap flight from Atlanta to Castries isn't the only trick up our sleeve. Check out our car rentals in Castries and travel at your own pace. We find deals from trusted car rental providers and put them all in one place. You can instantly compare offers and then book with no fees.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.