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Latest Flight Deals from Castries to Philadelphia

Book one-way or return flights from Castries to Philadelphia from as little as AU$ 535. Choose from the popular airlines below and book your flight today!

  • One way
  • Return
      • UVF15:11
        16h 32m
        1 stop
        PHL07:43
        Thu, May 16|Castries - Philadelphia|Jetblue Airways
        AU$ 535AU$ 1,176
        55% OFF
        55% OFF
        AU$ 1,176AU$ 535
      • UVF15:11
        18h 35m
        1 stop
        PHL09:46
        Wed, May 22|Castries - Philadelphia|Jetblue Airways
        AU$ 560AU$ 1,176
        52% OFF
        52% OFF
        AU$ 1,176AU$ 560
      • UVF15:45
        8h 14m
        1 stop
        PHL23:59
        Thu, May 16|Castries - Philadelphia|American Airlines
        AU$ 690AU$ 1,176
        41% OFF
        41% OFF
        AU$ 1,176AU$ 690
      • UVF15:19
        9h 30m
        1 stop
        PHL00:49
        Sat, May 4|Castries - Philadelphia|American Airlines
        AU$ 715
        AU$ 715
      • UVF14:35
        8h 14m
        1 stop
        PHL22:49
        Sat, May 4|Castries - Philadelphia|United Airlines
        AU$ 751
        AU$ 751
      • UVF15:47
        22h 43m
        1 stop
        PHL14:30
        Thu, May 16|Castries - Philadelphia|Delta Air Lines
        AU$ 759
        AU$ 759
      • UVF14:35
        26h 24m
        1 stop
        PHL16:59
        Sat, May 18|Castries - Philadelphia|United Airlines
        AU$ 792
        AU$ 792
      • UVF14:09
        5h 5m
        Direct
        PHL19:14
        Sat, May 18|Castries - Philadelphia|American Airlines
        AU$ 858
        AU$ 858
      • UVF15:47
        8h 58m
        1 stop
        PHL00:45
        Sat, May 4|Castries - Philadelphia|Delta Air Lines
        AU$ 894
        AU$ 894
      • SLU13:00
        3h 5m
        Direct
        PHL14:00
        Thu, May 9|Castries - Philadelphia|Jetblue Airways
        Find More Flights
        Find More Flights

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 Castries to Philadelphia? Find one-way or return flights that are affordable and fit your itinerary.

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

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

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

Jetblue Airways
From AU$ 535
Caribbean Airlines
From AU$ 563
American Airlines
From AU$ 690
United Airlines
From AU$ 751
Delta Air Lines
From AU$ 759
Air Canada
From AU$ 1,015
WestJet
From AU$ 1,341
ANA airlines

Find more flights and airlines

Alternative Routes from Castries to Philadelphia

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

  • Cheapest
    Jetblue Airways
    UVF
    15:11
    16h 32m
    1 transfer
    PHL
    07:43
    Hewanorra Airport - Philadelphia International Airport
    Thu, May 16Jetblue Airways
    AU$ 535
  • Caribbean Airlines
    SLU
    12:50
    36h 9m
    2 transfer
    PHL
    00:59
    George F. L. Charles Airport - Philadelphia International Airport
    Thu, May 16Caribbean Airlines
    AU$ 563
  • Caribbean Airlines
    SLU
    12:50
    36h 9m
    2 transfer
    PHL
    00:59
    George F. L. Charles Airport - Philadelphia International Airport
    Thu, May 16Caribbean Airlines
    AU$ 563
    Find More Flights

How do I find the cheapest flights?

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

    Airlines adjust prices for flights from Castries to Philadelphia based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much are flights from Castries (SLU) to Philadelphia (PHL) cost?

    According to Trip.com's data, the lowest price is around AU$ 1,086.

  • How long is the flights from Castries (SLU) to Philadelphia (PHL)?

    It takes about 5 hours 5 minutes to fly from Castries (SLU) to Philadelphia (PHL).

  • What are the most popular airlines that fly from Castries (SLU) to Philadelphia (PHL)?

    Airlines with flights from Castries (SLU) to Philadelphia (PHL): Qatar Airways and American Airlines.

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

    American Airlines operates 1 direct flights from Castries (SLU) to Philadelphia (PHL).

  • How many airports in Philadelphia (PHL)?

How to find a cheap flight from Castries to Philadelphia

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 Castries to Philadelphia. 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 Castries to Philadelphia

Cheapest direct flight price

AU$ 535

Off-season for travel

May

Peak season for travel

November

Flight distance

3,193.8km

Average flight time

5 hours 5 minutes

Popular airline

Jetblue Airways

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