Cheap flights from the United States to Castries from $89

The month of September is, on average, the cheapest month to fly to Castries from United States, with most prices found around $432. The month of October is another great option to travel to Castries, with average flight prices from United States averaging around $432.

The cheapest day to depart from United States to Castries is on a Monday when prices can be found for as low as $535. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $625. 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 United States to Castries at noon for as low as $583. 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 $584. 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 United States - Castries Hewanorra flight prices

You are more likely to see cheaper flights to Castries from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to Castries for around $614 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Castries from United States for as low as $467 on momondo.

There are 3 cabin classes available to choose from on United States to Castries Hewanorra flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Air Canada, United Airlines, and Delta are the most popular carriers operating from United States to Castries Hewanorra

American Airlines, JetBlue and Delta are the top three most popular airlines that fly to Castries from United States according to our data. American Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Castries. Keep in mind that there are 5 different airlines that fly to Castries on a routine basis, so you have a few additional options to choose from.

3 flights are operational daily from United States to Castries as of March 2026. The most popular departure time for this route is 9:00AM, with 100% of flights per day taking off at noon.

The number of flights available between United States and Castries is 25 per week as of March 2026. The most frequent departure day is Sat, with 36% of weekly flights leaving on this day.