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Flights from Philadelphia to Castries
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Cheap flight deals from Philadelphia to Castries Starting at $506

Whether you’re going for a one-way or round-trip to Castries, we’ve got you covered! Check out these different flight options from Philadelphia below.

  • One way
  • Round-trip
      • Cheapest nonstop
        PHL08:20
        4h 40m
        Nonstop
        UVF14:00
        Sat, Dec 21|Philadelphia - Castries|American Airlines
        $506$569
        11% OFF
        11% OFF
        $569$506

        Choose American Airlines flights from Philadelphia to Castries. The one-way direct flight with American Airlines departs from Philadelphia International Airport on Sat, Dec 21, arriving at Hewanorra Airport. One-way Prices start from $506 including taxes and charges.

      • PHL22:59
        15h 32m
        1 stop
        UVF15:31
        Fri, Nov 15|Philadelphia - Castries|Frontier Airlines
        $158$569
        72% OFF
        72% OFF
        $569$158

        Choose Frontier Airlines flights from Philadelphia to Castries. The one-way connecting flight with Frontier Airlines departs from Philadelphia International Airport on Fri, Nov 15, arriving at Hewanorra Airport. One-way Prices start from $158 including taxes and charges.

      • PHL08:00
        29h 55m
        1 stop
        UVF14:55
        Sat, Dec 14|Philadelphia - Castries|Frontier Airlines
        $163$569
        71% OFF
        71% OFF
        $569$163

        Choose Frontier Airlines flights from Philadelphia to Castries. The one-way connecting flight with Frontier Airlines departs from Philadelphia International Airport on Sat, Dec 14, arriving at Hewanorra Airport. One-way Prices start from $163 including taxes and charges.

      • PHL20:02
        15h 46m
        1 stop
        UVF12:48
        Tue, Nov 19|Philadelphia - Castries|Jetblue Airways
        $184
        $184

        Choose Jetblue Airways flights from Philadelphia to Castries. The one-way connecting flight with Jetblue Airways departs from Philadelphia International Airport on Tue, Nov 19, arriving at Hewanorra Airport. One-way Prices start from $184 including taxes and charges.

      • PHL21:20
        14h 28m
        1 stop
        UVF12:48
        Tue, Nov 19|Philadelphia - Castries|American Airlines
        $187
        $187

        Choose American Airlines flights from Philadelphia to Castries. The one-way connecting flight with American Airlines departs from Philadelphia International Airport on Tue, Nov 19, arriving at Hewanorra Airport. One-way Prices start from $187 including taxes and charges.

      • PHL21:10
        16h 45m
        1 stop
        UVF14:55
        Sat, Dec 14|Philadelphia - Castries|American Airlines
        $194
        $194

        Choose American Airlines flights from Philadelphia to Castries. The one-way connecting flight with American Airlines departs from Philadelphia International Airport on Sat, Dec 14, arriving at Hewanorra Airport. One-way Prices start from $194 including taxes and charges.

      • PHL08:15
        29h 40m
        1 stop
        UVF14:55
        Sat, Dec 14|Philadelphia - Castries|Jetblue Airways
        $201
        $201

        Choose Jetblue Airways flights from Philadelphia to Castries. The one-way connecting flight with Jetblue Airways departs from Philadelphia International Airport on Sat, Dec 14, arriving at Hewanorra Airport. One-way Prices start from $201 including taxes and charges.

      • PHL21:10
        17h 27m
        1 stop
        UVF15:37
        Fri, Dec 13|Philadelphia - Castries|American Airlines
        $202
        $202

        Choose American Airlines flights from Philadelphia to Castries. The one-way connecting flight with American Airlines departs from Philadelphia International Airport on Fri, Dec 13, arriving at Hewanorra Airport. One-way Prices start from $202 including taxes and charges.

      • PHL20:15
        18h 22m
        1 stop
        UVF15:37
        Fri, Dec 13|Philadelphia - Castries|Jetblue Airways
        $203
        $203

        Choose Jetblue Airways flights from Philadelphia to Castries. The one-way connecting flight with Jetblue Airways departs from Philadelphia International Airport on Fri, Dec 13, arriving at Hewanorra Airport. One-way Prices start from $203 including taxes and charges.

      • PHL15:55
        19h 53m
        1 stop
        UVF12:48
        Fri, Nov 29|Philadelphia - Castries|Jetblue Airways
        $227
        $227

        Choose Jetblue Airways flights from Philadelphia to Castries. The one-way connecting flight with Jetblue Airways departs from Philadelphia International Airport on Fri, Nov 29, arriving at Hewanorra Airport. One-way Prices start from $227 including taxes and charges.

      • PHL13:00
        3h 5m
        Nonstop
        SLU14:00
        Fri, Nov 22|Philadelphia - Castries|American Airlines
        Find More Flights
        Find More Flights

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

When is the cheapest time to fly from Philadelphia to Castries?

These price trend charts carefully monitor and predict how flight prices from Philadelphia to Castries will change. Keep a close eye on them to understand when the best time to buy your tickets is.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Find cheap airlines flights from Philadelphia to Castries

We have a range of prices from different airlines providing flights from Philadelphia to Castries. Check below for the journey which best suits your travel needs.

Frontier Airlines
From $158
Jetblue Airways
From $184
American Airlines
From $187
Air Canada
From $222
Delta Air Lines
From $276
Spirit Airlines
From $324
United Airlines
From $363
WestJet
From $1,541
British Airways
From $4,128

Find more flights and airlines

Alternative Cheap Routes from Philadelphia to Castries

Searching for potential routes that might be cheaper and faster? There are a few alternative ways to get to Castries from Philadelphia which could help you save money and time.

  • Cheapest
    Frontier Airlines
    PHL
    22:59
    15h 32m
    1 transfer
    UVF
    15:31
    Philadelphia International Airport - Hewanorra Airport
    Fri, Nov 15Frontier Airlines
    $158
  • Frontier Airlines
    PHL
    22:26
    40h 24m
    2 transfer
    SLU
    15:50
    Philadelphia International Airport - George F. L. Charles Airport
    Sat, Dec 21Frontier Airlines
    $672
  • Frontier Airlines
    PHL
    22:26
    40h 24m
    2 transfer
    SLU
    15:50
    Philadelphia International Airport - George F. L. Charles Airport
    Sat, Dec 21Frontier Airlines
    $672
    Find More Flights

Frequently Asked Questions

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

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

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

    According to Trip.com's data, the lowest price is around $631.

  • What is the transportation method from the main airport to downtown in Castries?

    • The distance from Hewanorra Airport to downtown is about 30 km. It takes about 50 minutes by taxi.
    • The distance from George F. L. Charles Airport to downtown is about 1 km. It takes about 20 minutes by taxi.

How to find a cheap flight from Philadelphia to Castries

Understanding the common pitfalls when booking your flight tickets can help you save massively when it comes time to fly. We’ve listed our six essential steps to keep in mind when you’re booking flight tickets to help you find the best price.
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 Info | Philadelphia to Castries

Cheapest nonstop flight price$157
Cheapest round-trip ticket price$1,103
Off-season for travelNovember
Peak season for travelAugust
Flight distance3,193.8 km
Popular airlineAmerican Airlines

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