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Cheap flights from Philadelphia to Castries from $176

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Castries departing on 12/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Philadelphia to Castries

Cheap round-trip flights

Enter your travel dates to find the best prices.
JetBlue Logo
12:15 pm - 3:15 pmPHL-UVF
26h 00m2 stops
JetBlue Logo
4:40 pm - 6:23 pmUVF-PHL
26h 43m2 stops
$475JetBlue
Find Deal
Thu, Feb 5 - Mon, Feb 9
JetBlue Logo
8:40 am - 3:15 pmPHL-UVF
29h 35m2 stops
JetBlue Logo
4:40 pm - 6:23 pmUVF-PHL
26h 43m2 stops
$490JetBlue
Find Deal
Sun, Jan 18 - Thu, Jan 22
Air Canada Logo
4:35 pm - 4:25 pmPHL-UVF
22h 50m1 stop
Air Canada Logo
5:15 pm - 3:49 pmUVF-PHL
23h 34m1 stop
$492Air Canada
Find Deal
Sat, Jan 31 - Wed, Feb 4
Air Canada Logo
4:25 pm - 3:25 pmPHL-UVF
23h 00m1 stop
Air Canada Logo
4:20 pm - 2:46 pmUVF-PHL
22h 26m2 stops
$503Air Canada
Find Deal
Sat, Apr 11 - Fri, Apr 17
American Airlines Logo
5:00 am - 4:02 pmPHL-UVF
10h 02m1 stop
American Airlines Logo
5:02 pm - 12:42 amUVF-PHL
8h 40m1 stop
$557American Airlines
Find Deal
Wed, Jan 28 - Tue, Feb 3
American Airlines Logo
9:30 pm - 2:50 pmPHL-UVF
16h 20m2 stops
American Airlines Logo
4:24 pm - 9:56 amUVF-PHL
18h 32m1 stop
$562American Airlines
Find Deal
Sun, Feb 15 - Thu, Feb 19
Multiple Airlines Logo
3:30 pm - 4:25 pmPHL-UVF
23h 55m2 stops
Multiple Airlines Logo
5:15 pm - 10:05 pmUVF-PHL
29h 50m3 stops
$598Multiple Airlines
Find Deal
Sat, Jan 31 - Wed, Feb 4
Delta Logo
5:40 am - 3:05 pmPHL-UVF
8h 25m1 stop
Delta Logo
4:25 pm - 12:23 amUVF-PHL
8h 58m1 stop
$617Delta
Find Deal
Sun, Jan 18 - Thu, Jan 22
Multiple Airlines Logo
7:00 am - 2:46 pmPHL-UVF
30h 46m3 stops
Multiple Airlines Logo
5:15 pm - 2:47 pmUVF-PHL
22h 32m2 stops
$655Multiple Airlines
Find Deal
Wed, Feb 18 - Wed, Feb 25
Delta Logo
5:40 am - 3:05 pmPHL-UVF
8h 25m1 stop
Delta Logo
4:25 pm - 12:23 amUVF-PHL
8h 58m1 stop
$672Delta
Find Deal
Sun, Jan 11 - Sun, Jan 18

JetBlue flights from Philadelphia to Castries

Our best JetBlue deals on Philadelphia to Castries flight tickets
JetBlue
Feb 5
PHL12:15 pmPhiladelphia
26h 00m
2 stops
UVF3:15 pmCastries Hewanorra
Feb 9
UVF4:40 pmCastries Hewanorra
26h 43m
2 stops
PHL6:23 pmPhiladelphia
$475
Find similar
JetBlue
Jan 18
PHL8:40 amPhiladelphia
29h 35m
2 stops
UVF3:15 pmCastries Hewanorra
Jan 22
UVF4:40 pmCastries Hewanorra
26h 43m
2 stops
PHL6:23 pmPhiladelphia
$490
Find similar
JetBlue
Jan 28
PHL8:40 amPhiladelphia
29h 35m
2 stops
UVF3:15 pmCastries Hewanorra
Feb 3
UVF4:40 pmCastries Hewanorra
26h 43m
2 stops
PHL6:23 pmPhiladelphia
$520
Find similar

American Airlines flights from Philadelphia to Castries

Our best American Airlines deals on Philadelphia to Castries flight tickets
American Airlines
Jan 28
PHL5:00 amPhiladelphia
10h 02m
1 stop
UVF4:02 pmCastries Hewanorra
Feb 3
UVF5:02 pmCastries Hewanorra
8h 40m
1 stop
PHL12:42 amPhiladelphia
$557
Find similar
American Airlines
Feb 15
PHL9:30 pmPhiladelphia
16h 20m
2 stops
UVF2:50 pmCastries Hewanorra
Feb 19
UVF4:24 pmCastries Hewanorra
18h 32m
1 stop
PHL9:56 amPhiladelphia
$562
Find similar
American Airlines
Apr 1
PHL5:00 amPhiladelphia
9h 50m
1 stop
UVF2:50 pmCastries Hewanorra
Apr 6
UVF2:20 pmCastries Hewanorra
18h 28m
1 stop
PHL8:48 amPhiladelphia
$582
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Philadelphia to Castries that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from Philadelphia to Castries that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Thu 2/5

12:15 pm-3:15 pm

2 stops26h 00m

Castries Hewanorra

Mon 2/9

4:40 pm-6:23 pm

2 stops26h 43m

$475

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Sun 1/18

8:40 am-3:15 pm

2 stops29h 35m

Castries Hewanorra

Thu 1/22

4:40 pm-6:23 pm

2 stops26h 43m

$490

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Sat 1/31

4:35 pm-4:25 pm

1 stop22h 50m

Castries Hewanorra

Wed 2/4

5:15 pm-3:49 pm

1 stop23h 34m

$492

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Sat 4/11

4:25 pm-3:25 pm

1 stop23h 00m

Castries Hewanorra

Fri 4/17

4:20 pm-2:46 pm

2 stops22h 26m

$503

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Wed 1/28

5:00 am-4:02 pm

1 stop10h 02m

Castries Hewanorra

Tue 2/3

5:02 pm-12:42 am

1 stop8h 40m

$557

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Sun 2/15

9:30 pm-2:50 pm

2 stops16h 20m

Castries Hewanorra

Thu 2/19

4:24 pm-9:56 am

1 stop18h 32m

$562

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Sat 1/31

3:30 pm-4:25 pm

2 stops23h 55m

Castries Hewanorra

Wed 2/4

5:15 pm-10:05 pm

3 stops29h 50m

$598

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Sun 1/18

5:40 am-3:05 pm

1 stop8h 25m

Castries Hewanorra

Thu 1/22

4:25 pm-12:23 am

1 stop8h 58m

$617

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Wed 2/18

7:00 am-2:46 pm

3 stops30h 46m

Castries Hewanorra

Wed 2/25

5:15 pm-2:47 pm

2 stops22h 32m

$655

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Sun 1/11

5:40 am-3:05 pm

1 stop8h 25m

Castries Hewanorra

Sun 1/18

4:25 pm-12:23 am

1 stop8h 58m

$672

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Castries from

How to get the cheapest flight ticket from Philadelphia to Castries

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Castries?

The month of August is, on average, the cheapest month to fly to Castries from Philadelphia, with most prices found around $652. The month of January is another great option to travel to Castries, with average flight prices from Philadelphia averaging around $656.

What is the cheapest day to depart on your flight to Castries?

The cheapest day to depart from Philadelphia to Castries is on a Thursday when prices can be found for as low as $681. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $809. These prices are subject to change though, so be sure to set up a Price Alert for flights to Castries.

What is the cheapest time of day to depart on your flight to Castries?

According to our data, the cheapest time of day to fly to Castries is in the evening. momondo users have found flights departing from Philadelphia to Castries in the evening for as low as $682. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Castries are more costly in the morning, with an average ticket price of $808. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Philadelphia to Castries Hewanorra flight route?

Fly from Philadelphia to Castries Hewanorra for the best Philadelphia - Castries Hewanorra flight prices

How far in advance should I book a flight to Castries?

You are more likely to see cheaper flights to Castries from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to Castries for around $763 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Castries from Philadelphia for as low as $659 on momondo.

What cabin class options are available on Philadelphia to Castries Hewanorra flights?

There are 2 cabin classes available to choose from on Philadelphia to Castries Hewanorra flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Philadelphia to Castries flights?

You could potentially save up to 7% on your flight if you consider stops on a Philadelphia to Castries flight.

When to book flights from Philadelphia to Castries

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to Castries according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Philadelphia to Castries (PHL to UVF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Castries

Best Price Found

$1,192

Fastest flight time

4h 43m

Direct flights

Sun

Airports in Castries

1 airport
The best flight deal from Philadelphia to Castries found on momondo in the last 72 hours is $1,192
The fastest flight from Philadelphia to Castries takes 4h 43m
Direct flights go from Philadelphia to Castries on Sunday. There are no airlines offering direct flights.
There is 1 airport near Castries: Castries Hewanorra (UVF)
Search flight deals

  • How far is Philadelphia to Castries Hewanorra by plane?

    There are 1986.1 mi between Philadelphia and Castries Hewanorra. In terms of flight time, this usually takes a little over 4h 49m.

  • When did momondo last update prices for flights from Philadelphia Airport to Castries Hewanorra Airport?

    Prices for flights from Philadelphia Airport to Castries Hewanorra Airport refresh daily.

  • How many operators does momondo search for flights from Philadelphia Airport to Castries Hewanorra Airport?

  • How old do you have to be to fly from Philadelphia Airport to Castries Hewanorra Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Castries Hewanorra Airport.

  • What documentation or ID do you need to fly to Castries Hewanorra Airport?

    The necessary travel and health documents for your Castries Hewanorra Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Philadelphia to Castries?

  • What is the most popular airline from Philadelphia to Castries?

Best airlines flying from Philadelphia to Castries

Compare and see reviews for airlines that fly from Philadelphia to Castries with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $550Free CancellationRating
7.9
7,998 reviews
Search Delta flights
American AirlinesPriceFrom $561Free CancellationRating
7.2
11,035 reviews
Search American Airlines flights

Traveling to a place near Castries?

Book flights to Castries if you plan to visit one of these locations
Vieux Fort

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Castries?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Castries from Philadelphia.

Can I find flights from Philadelphia to Castries with flexible booking policies on momondo?

momondo does allow users to show only those flights to Castries from Philadelphia which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Philadelphia to Castries?

Once you have performed a search for Philadelphia to Castries flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Philadelphia to Castries right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Castries, momondo offers a useful price alert feature which will track prices for flights to Castries from Philadelphia and alert you when they change.

An easier way to manage your Castries trip

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Find better results for your trip to Saint Lucia

Airports servicing Saint Lucia

Castries George F. L. Charle Airport