On this page, you can find and book flights from Castries to Philadelphia. This 3,191 km flight route serves as an important link between St. Lucia and the USA, offering passengers various travel planning options.
The primary carrier on this route is American Airlines. Ticket prices fluctuate constantly, so we recommend using the low-price calendar and reviewing the price dynamics chart below to find the best departure time.
Below is a calendar of the lowest flight ticket prices for Castries — Philadelphia by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from AED 1,004 in y, and the most expensive are around AED 1,004 in y. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. 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.
Castries → Philadelphia, average one-way price
| Month | Average price | Level | Month | Average price | Level | Month | Average price | Level |
|---|---|---|---|---|---|---|---|---|
| Jan | AED 1,816 | high | May | AED 1,490 | medium | Sep | AED 1,304 | low |
| Feb | AED 1,770 | high | Jun | AED 1,444 | medium | Oct | AED 1,257 | low |
| Mar | AED 1,723 | high | Jul | AED 1,770 | high | Nov | AED 1,211 | low |
| Apr | AED 1,583 | medium | Aug | AED 1,583 | medium | Dec | AED 1,816 | high |
Some values are estimated based on seasonality.
The warmest month in Philadelphia is July, when average highs reach 30.3°C, though this period is also characterized by the highest rainfall. The coldest weather is recorded in January, with minimum temperatures dropping to -1.5°C.
Real-time data on flight prices from Castries to Philadelphia is displayed on the charts. We recommend tracking price dynamics and using the calendar to find the best deals, as fares depend on the season and demand.
The most balanced times to fly are considered to be May and October, when the destination enjoys comfortable temperatures and moderate rainfall. Avoid the humid summer months if you prefer dry weather.
Regular air service between the cities is provided by American Airlines, which operates the majority of flights on this route. Passengers can choose from direct flights or options with convenient connections at major hubs. A detailed flight schedule and information on flight frequency by day of the week are available in the interactive list below.
Flights Castries — Philadelphia depart from Hewanorra Airport and George F. L. Charles Airport and arrive at Philadelphia International Airport and Trenton-Mercer Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.
With a direct flight covering a distance of 3,191 km, the travel time is approximately 4 hours. For connecting flights, the total duration depends on the layover time at transit airports.
The primary carrier connecting Castries and Philadelphia is American Airlines (AA). A full list of available flight options can be found in the airlines section above.
Flights from St. Lucia arrive at Philadelphia International Airport (PHL). Information on how to get from the airport to your desired area of the city is available on our website.
To find the lowest prices, it is recommended to book tickets several months before departure. Monitor updates in the low-price calendar and the price dynamics chart to catch a great fare.
Where travelers fly most — pick a route and check prices
