Cheap flights from Atlanta to Castries from $225

The month of September is, on average, the cheapest month to fly to Castries from Atlanta, with most prices found around $733. The month of August is another great option to travel to Castries, with average flight prices from Atlanta averaging around $758.

The cheapest day to depart from Atlanta to Castries is on a Thursday when prices can be found for as low as $995. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $1,055. These prices are subject to change though, so be sure to set up a Price Alert for flights to Castries.

Fly from Atlanta Hartsfield-Jackson to Castries Hewanorra for the best Atlanta Hartsfield-Jackson - Castries Hewanorra flight prices

You are more likely to see cheaper flights to Castries from Atlanta when booking weeks ahead of your departure date. In general, you can expect to find flights to Castries for around $953 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Castries from Atlanta for as low as $744 on momondo.

There is only 1 cabin class available to choose from on Atlanta Hartsfield-Jackson to Castries Hewanorra flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 74% on your flight if you consider stops on a Atlanta to Castries flight.

Delta is the most popular carrier operating from Atlanta Hartsfield-Jackson to Castries Hewanorra

Delta, American Airlines and JetBlue are the top three most popular airlines that fly to Castries from Atlanta according to our data. Delta is the first choice among our users, with 77% of people opting to fly with this airline when traveling to Castries. Keep in mind that there are 3 different airlines that fly to Castries on a routine basis, so you have a few additional options to choose from.

As of March 2026, 2 flights take off from Atlanta and land in Castries each day. The most common flight departure time for this route is 9:00AM, with 100% of daily flights taking off at noon.

As of March 2026, 14 flights take off from Atlanta and land in Castries each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.