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Cheap Flights from Philadelphia to Castries starting at S$ 460

Book one-way or return flights from Philadelphia to Castries from as little as S$ 460. Choose from the popular airlines below and book your flight today!

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Searching for the best last minute flight from Philadelphia to Castries? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from Philadelphia to Castries. Stay updated on price trends and snag the best deals for your upcoming trip.

Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.
Cheapest Airlines flying from Philadelphia to Castries

View airlines operating flights from Philadelphia to Castries. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Air Canada
From S$ 403
Frontier Airlines
From S$ 416
American Airlines
From S$ 419
United Airlines
From S$ 479
Westjet
From S$ 2,078
ANA airlines

Find more flights and airlines

Alternative Routes from Philadelphia to Castries

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Philadelphia to Castries.

  • Cheapest
    Air Canada
    PHL
    16:10
    22h 20m
    2 transfer
    UVF
    14:30
    Philadelphia International Airport - Hewanorra Airport
    Sat, May 11Air Canada
    S$ 403
  • Frontier Airlines
    PHL
    09:34
    23h 56m
    2 transfer
    SLU
    09:30
    Philadelphia International Airport - George F. L. Charles Airport
    Tue, May 14Frontier Airlines
    S$ 416
  • Frontier Airlines
    PHL
    09:34
    23h 56m
    2 transfer
    SLU
    09:30
    Philadelphia International Airport - George F. L. Charles Airport
    Tue, May 14Frontier Airlines
    S$ 416
    Find More Flights

Frequently Asked Questions

  • When to buy flight tickets from Philadelphia (PHL) to Castries (SLU) the cheapest?

    Airlines adjust prices for flights from Philadelphia to Castries based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much is a flight from Philadelphia (PHL) to Castries (SLU) cost?

    According to Trip.com's data, the lowest price is around S$ 1,150.
  • How long is a flight from Philadelphia (PHL) to Castries (SLU)?

    It takes about 4 hours 50 minutes to fly from Philadelphia (PHL) to Castries (SLU).
  • What is the transportation method from the main airport to downtown in Castries?

    • The distance from George F. L. Charles Airport to downtown is about 1km, by taxi about 20 minutes.
    • The distance from Hewanorra Airport to downtown is about 30km, by taxi about 50 minutes.
  • What are the most popular airlines that fly from Philadelphia (PHL) to Castries (SLU)?

    Airlines with flights from Philadelphia (PHL) to Castries (SLU): American Airlines.
  • What's the most popular airline for direct flights from Philadelphia (PHL) to Castries (SLU)?

    American Airlines operates 2 direct flights from Philadelphia (PHL) to Castries (SLU).
  • How many airports in Castries?

    There are 2 airports near Castries: George F. L. Charles Airport and Hewanorra Airport.

How to find a cheap flight from Philadelphia to Castries

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Philadelphia to Castries. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com
Flight Information from Philadelphia to Castries

Cheapest direct flight price

S$ 460

Cheapest return ticket price

S$ 962

Cheapest month

February

Peak season for travel

October

Flight distance

3,193.8km

Average flight time

4 hours 50 minutes

Popular airline

American Airlines