Cheap flights from New York John F Kennedy Intl Airport to Castries from $179

The month of September is, on average, the cheapest month to fly to Castries from New York John F Kennedy Intl Airport, with most prices found around $483. The month of January is another great option to travel to Castries, with average flight prices from New York John F Kennedy Intl Airport averaging around $533.

The cheapest day to depart from New York John F Kennedy Intl Airport to Castries is on a Monday when prices can be found for as low as $570. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $665. These prices are subject to change though, so be sure to set up a Price Alert for flights to Castries.

According to our data, the cheapest time of day to fly to Castries is at noon. momondo users have found flights departing from New York John F Kennedy Intl Airport to Castries at noon for as low as $603. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Castries are more costly in the morning, with an average ticket price of $626. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from New York John F Kennedy Intl to Castries Hewanorra for the best New York John F Kennedy Intl - Castries Hewanorra flight prices

You are more likely to see cheaper flights to Castries from New York John F Kennedy Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Castries for around $642 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Castries from New York John F Kennedy Intl Airport for as low as $532 on momondo.

There are 3 cabin classes available to choose from on New York John F Kennedy Intl Airport to Castries 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 6% on your flight if you consider stops on a New York John F Kennedy Intl Airport to Castries flight.

As of September 2026, prices for New York John F Kennedy Intl Airport to Castries flights are approximately 90% more expensive when compared to flights at the same time last year.

American Airlines, JetBlue, and Delta are the most popular carriers operating from New York John F Kennedy Intl to Castries Hewanorra

JetBlue, American Airlines and Caribbean Airlines are the top three most popular airlines that fly to Castries from New York John F Kennedy Intl Airport according to our data. JetBlue is the first choice among our users, with 89% 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.

Miami (MIA) was the most common stop: 75% of momondo users choosing 1-stop flights on this route connected there.

Flights via Miami (MIA) offer the lowest average round-trip price of $694.

Flights connecting via Miami (MIA) have the shortest average one-way travel time: 8h 10m.

Atlanta (ATL) has the shortest average layover time for this route: 1h 36m.