Cheap flights from Castries to Philadelphia

George F. L. Charles
SLU
Philadelphia
PHL

Flight deals from Castries to Philadelphia

Below you can see the best deals on flights Castries — Philadelphia for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 11 September, from $255.

Top 10 cheap flights from Castries to Philadelphia

AC
AC
$ 263

Castries — Philadelphia

15:10—10:11
11 Sep 2026
19 h 1 m
1 stop
AC
AC
$ 263

Castries — Philadelphia

15:10—15:41
11 Sep 2026
24 h 31 m
1 stop
AC
AC
$ 286

Castries — Philadelphia

15:15—10:11
4 Sep 2026
18 h 56 m
1 stop
AC
AC
$ 286

Castries — Philadelphia

15:15—15:41
4 Sep 2026
24 h 26 m
1 stop
AC
AC
$ 286

Castries — Philadelphia

15:15—10:09
1 Sep 2026
18 h 54 m
1 stop
AC
AC
$ 286

Castries — Philadelphia

15:15—15:41
1 Sep 2026
24 h 26 m
1 stop
AC
AC
F9
$ 356

Castries — Philadelphia

15:15—20:28
4 Sep 2026
29 h 13 m
2 stops
AC
AC
F9
$ 356

Castries — Philadelphia

15:15—22:33
4 Sep 2026
31 h 18 m
2 stops
AC
AC
F9
$ 362

Castries — Philadelphia

15:10—21:45
11 Sep 2026
30 h 35 m
2 stops
AC
AC
F9
$ 365

Castries — Philadelphia

15:10—23:55
11 Sep 2026
32 h 45 m
2 stops

Prices were found in the last 72 hours and may change — check the exact price when you continue.

About the Castries — Philadelphia flight

Looking for cheap flights from Castries to Philadelphia? Compare fares from different airlines, check the flight schedule and travel time — and book your Castries — Philadelphia ticket online at the best price.

The route has direct flights — around 1 flight per week, flights are operated by American Airlines, a nonstop flight takes about 9 h 2 min, the distance between the cities is around 3,191 km.

Planning your trip? You may find our Philadelphia travel guide, how to get from the airport into town and Philadelphia weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $255Min. price
SeptemberCheapest
AugustPeak season
YesDirect flights
3,191 kmDistance
9 h 2 minTravel time
1Airlines
1 / wkFlights

Flight ticket prices by day: Castries — Philadelphia

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 $255 in September, and the most expensive are around $321 in August. 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.

 
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Prices by month

Average one-way fares from Castries to Philadelphia by month. Tickets are usually cheapest in November (around $312) and priciest in January (about $468) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$468highMay$384mediumSep$336low
Feb$456highJun$372mediumOct$324low
Mar$444highJul$456highNov$312low
Apr$408mediumAug$408mediumDec$468high

Some values are estimated based on seasonality.

When to fly

Weather in Philadelphia: it is warmest in July (up to 30 °C on average) and coolest in January (around 6 °C). The driest month is November.

Tickets are usually cheapest in September and most expensive in August. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · Philadelphia

Dry and wet days · Philadelphia

Wind speed and direction · Philadelphia

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How to get the best deal on a Castries — Philadelphia ticket

  • Book ahead: fares for Castries — Philadelphia are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • Castries is served by more than one airport — compare fares and travel time to each before you book.
  • The cheapest month to fly to Philadelphia is usually September — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the Castries — Philadelphia route are operated by 1 airline; American Airlines runs the most flights (around 100% of all flights). Compare carriers, flight shares and schedules below.

  • American AirlinesAA
    1x/week
    WebsiteFleet: 965211M pax/year
    • Direct flight UVF → PHL1x/week
    100.0%Open →

Cities and airports on the Castries — Philadelphia route

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.

Departure

Castries

SLU
Saint Lucia
About the cityHow to get thereWeatherAll about the country Saint Lucia
Arrival

Philadelphia

PHL
United States
About the cityHow to get thereWeatherAll about the country United States
Departure airports
Arrival airports

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Frequently asked questions about the Castries — Philadelphia flight

How long is the flight from Castries to Philadelphia?

A nonstop Castries — Philadelphia flight takes about 9 h 2 min — the distance between the cities is around 3,191 km.

How far is it from Castries to Philadelphia?

The distance from Castries to Philadelphia is about 3,191 km, which a nonstop flight covers in around 9 h 2 min.

Are there direct flights from Castries to Philadelphia?

Yes, there are nonstop flights Castries — Philadelphia — around 1 flight per week.

Which airlines fly from Castries to Philadelphia?

Airlines operating Castries — Philadelphia include American Airlines. See the full list with schedules in the "Airlines" section on this page.

Which airports do Castries — Philadelphia flights use?

Flights from Castries depart from Hewanorra Airport, George F. L. Charles Airport, and arrive at Philadelphia International Airport, Trenton-Mercer Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Castries to Philadelphia?

The price of a Castries — Philadelphia ticket depends on your travel date, season and demand: it is usually cheapest to fly in September, and most expensive in August. Tickets typically cost between $255 and $321. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Castries — Philadelphia?

Flights Castries — Philadelphia are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is September. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Castries to Philadelphia?

To catch a low fare Castries — Philadelphia, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually September.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from Castries

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BridgetownNew York CityMiamiFort-de-FranceCharlotteAtlantaTorontoLondonChicagoGeorgetownPhilipsburgSt. George'sParisMadrid

Where else you can fly from Philadelphia

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AtlantaChicagoBostonOrlandoFort LauderdaleMiamiTorontoDetroitWashington, D.C.CharlotteRaleighDallasLos AngelesPhoenixDenverMinneapolisSan JuanPittsburghSeattleNashvilleMontrealColumbusClevelandTampaIndianapolisSan FranciscoNorfolkLas VegasHoustonCincinnatiHarrisburgJacksonvilleRichmondHartfordSouth PortlandAlbanyKansas CityCancunRochesterPunta Cana

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