On this page, you can find and purchase flight tickets for the Philadelphia — Castries route. The distance between the cities is 3,191 km, and our system will provide all available flight options for your chosen dates based on the current schedule.
The primary carrier on this route is American Airlines. Ticket prices are dynamic, so to find the best deal, use the low-price calendar and the price trend chart, which will help you identify the most cost-effective time to buy.
The table shows direct flights Philadelphia → Castries on the selected date. The flight takes approximately 7 h 47 min. Regular flights are operated by American Airlines. Departures from Philadelphia International Airport and Trenton-Mercer Airport airports, arrivals at Hewanorra Airport and George F. L. Charles Airport.
For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.
Below is a calendar of the lowest flight ticket prices for Philadelphia — Castries by day. Pick a convenient date and instantly see the fare. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.
Philadelphia → Castries, average one-way price
| Month | Average price | Level | Month | Average price | Level | Month | Average price | Level |
|---|---|---|---|---|---|---|---|---|
| Jan | $494 | high | May | $432 | medium | Sep | $350 | low |
| Feb | $515 | high | Jun | $401 | medium | Oct | $340 | low |
| Mar | $484 | high | Jul | $412 | medium | Nov | $391 | medium |
| Apr | $463 | high | Aug | $401 | medium | Dec | $535 | high |
Some values are estimated based on seasonality.
The climate in Castries remains hot year-round; however, September is considered the warmest month with peak temperatures of 29.3°C. The rainiest period lasts from August to November, when precipitation exceeds 125 mm per month and the number of sunny days significantly decreases.
Flight prices from Philadelphia are subject to seasonal fluctuations and depend on current demand. To find the best deals, we recommend using the price chart, as fares can vary significantly depending on your chosen departure month.
The ideal time to fly is from March to May: this is a great compromise between dry, sunny weather and the absence of peak temperatures. It is recommended to avoid traveling during the height of the rainy season (July–October) to minimize the risk of weather-related flight delays.
Regular flights between these cities are provided by American Airlines, the key carrier on this route. Various connecting options are available, and the flight frequency allows for flexible travel planning. You can view the exact schedule for specific days of the week and choose a suitable flight in the list below.
Flights Philadelphia — Castries depart from Philadelphia International Airport and Trenton-Mercer Airport and arrive at Hewanorra Airport and George F. L. Charles Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.
The distance between the cities is approximately 3,191 km. A direct flight usually takes about 4 hours, though total travel time may increase depending on your chosen connections.
The primary carrier operating flights from Philadelphia to Castries is American Airlines.
Flight prices change constantly depending on the season and seat availability. You can see the current minimum for your dates in the low-price calendar on this page.
Flights arrive at Saint Lucia airports; detailed information about transfers after arrival can be found in the how to get from the airport to the city section.
We recommend starting to monitor prices 2–3 months before departure. The most favorable rates are usually available when booking well in advance or during the low tourist season.
Where travelers fly most — pick a route and check prices
