What is the cheapest airline that flies from Philadelphia to Saint Lucia?

Delta and JetBlue are the most popular carriers operating from Philadelphia to Saint Lucia

What airlines fly to Saint Lucia?

JetBlue, American Airlines and United Airlines are the top three most popular airlines that fly to Saint Lucia from Philadelphia according to our data. JetBlue is the first choice among our users, with 62% of people opting to fly with this airline when traveling to Saint Lucia. Keep in mind that there are 5 different airlines that fly to Saint Lucia on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Philadelphia Airport to Saint Lucia?

Prices for flights from Philadelphia Airport to Saint Lucia refresh daily.

How many operators does momondo search for flights from Philadelphia Airport to Saint Lucia?

As of December 2025, there are 2 operators available to choose from for flights from Philadelphia Airport to Saint Lucia.

How old do you have to be to fly from Philadelphia Airport to Saint Lucia?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Philadelphia Airport to Saint Lucia.

What documentation or ID do you need to fly to Saint Lucia?

The required travel and health documents for your Saint Lucia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Saint Lucia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$172 Cheap Flights from Philadelphia to Saint Lucia in 2025/26

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Find the cheapest flights from Philadelphia to Saint Lucia

Round-trip

One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

5:40 am - 3:05 pm

PHL

UVF

8h 25m1 stop

4:25 pm - 12:21 am

UVF

PHL

8h 56m1 stop

$483Delta

Mon, Jan 19 - Fri, Feb 6

8:40 am - 3:53 pm

PHL

UVF

30h 13m2 stops

4:40 pm - 12:35 pm

UVF

PHL

20h 55m2 stops

$487JetBlue

Sun, Feb 1 - Sun, Feb 8

7:42 pm - 1:46 pm

PHL

UVF

17h 04m2 stops

5:02 pm - 12:42 am

UVF

PHL

8h 40m1 stop

$488American Airlines

Sat, Jan 31 - Wed, Feb 4

8:40 am - 3:53 pm

PHL

UVF

30h 13m2 stops

4:40 pm - 6:23 pm

UVF

PHL

26h 43m2 stops

$501JetBlue

Mon, Feb 2 - Mon, Feb 9

9:15 pm - 3:03 pm

PHL

UVF

16h 48m1 stop

3:16 pm - 7:34 pm

UVF

PHL

5h 18mnonstop

$503American Airlines

Sat, Feb 7 - Sat, Feb 14

8:40 am - 3:53 pm

PHL

UVF

30h 13m2 stops

5:15 pm - 3:24 pm

UVF

PHL

23h 09m1 stop

$508Multiple Airlines

Mon, Feb 2 - Mon, Feb 9

5:40 am - 3:05 pm

PHL

UVF

8h 25m1 stop

4:25 pm - 9:23 am

UVF

PHL

17h 58m1 stop

$513Delta

Tue, Jan 20 - Sun, Feb 8

3:30 pm - 4:20 pm

PHL

UVF

23h 50m2 stops

5:15 pm - 2:47 pm

UVF

PHL

46h 32m2 stops

$516Air Canada

Tue, Jan 20 - Wed, Feb 4

7:24 pm - 1:46 pm

PHL

UVF

17h 22m2 stops

3:50 pm - 12:51 am

UVF

PHL

10h 01m1 stop

$518American Airlines

Sat, Feb 7 - Sat, Feb 14

8:20 am - 3:35 pm

PHL

SLU

30h 15m2 stops

7:10 pm - 4:49 pm

SLU

PHL

22h 39m2 stops

$795Multiple Airlines

Sun, Feb 1 - Fri, Feb 6

JetBlue flights from Philadelphia to Saint Lucia

Our best JetBlue deals on Philadelphia to Saint Lucia flight tickets

JetBlue

Feb 1

PHL8:40 amPhiladelphia

30h 13m

2 stops

UVF3:53 pmCastries Hewanorra

Feb 8

UVF4:40 pmCastries Hewanorra

20h 55m

2 stops

PHL12:35 pmPhiladelphia

$487

Find similar

JetBlue

Feb 2

PHL8:40 amPhiladelphia

30h 13m

2 stops

UVF3:53 pmCastries Hewanorra

Feb 9

UVF4:40 pmCastries Hewanorra

26h 43m

2 stops

PHL6:23 pmPhiladelphia

$501

Find similar

JetBlue

Feb 4

PHL8:40 amPhiladelphia

30h 13m

2 stops

UVF3:53 pmCastries Hewanorra

Feb 8

UVF4:40 pmCastries Hewanorra

20h 55m

2 stops

PHL12:35 pmPhiladelphia

$527

Find similar

Air Canada flights from Philadelphia to Saint Lucia

Our best Air Canada deals on Philadelphia to Saint Lucia flight tickets

Air Canada

Jan 20

PHL3:30 pmPhiladelphia

23h 50m

2 stops

UVF4:20 pmCastries Hewanorra

Feb 4

UVF5:15 pmCastries Hewanorra

46h 32m

2 stops

PHL2:47 pmPhiladelphia

$516

Find similar

Air Canada

Jan 4

PHL3:30 pmPhiladelphia

23h 55m

2 stops

UVF4:25 pmCastries Hewanorra

Jan 12

UVF5:15 pmCastries Hewanorra

22h 32m

2 stops

PHL2:47 pmPhiladelphia

$551

Find similar

Air Canada

Jan 4

PHL3:30 pmPhiladelphia

23h 55m

2 stops

UVF4:25 pmCastries Hewanorra

Jan 8

UVF5:15 pmCastries Hewanorra

30h 31m

1 stop

PHL10:46 pmPhiladelphia

$583

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Mon 1/19

5:40 am-3:05 pm

1 stop8h 25m

Castries Hewanorra

Fri 2/6

4:25 pm-12:21 am

1 stop8h 56m

$483

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Sun 2/1

8:40 am-3:53 pm

2 stops30h 13m

Castries Hewanorra

Sun 2/8

4:40 pm-12:35 pm

2 stops20h 55m

$487

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Sat 1/31

7:42 pm-1:46 pm

2 stops17h 04m

Castries Hewanorra

Wed 2/4

5:02 pm-12:42 am

1 stop8h 40m

$488

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Mon 2/2

8:40 am-3:53 pm

2 stops30h 13m

Castries Hewanorra

Mon 2/9

4:40 pm-6:23 pm

2 stops26h 43m

$501

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Sat 2/7

9:15 pm-3:03 pm

1 stop16h 48m

Castries Hewanorra

Sat 2/14

3:16 pm-7:34 pm

Nonstop5h 18m

$503

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Mon 2/2

8:40 am-3:53 pm

2 stops30h 13m

Castries Hewanorra

Mon 2/9

5:15 pm-3:24 pm

1 stop23h 09m

$508

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Tue 1/20

5:40 am-3:05 pm

1 stop8h 25m

Castries Hewanorra

Sun 2/8

4:25 pm-9:23 am

1 stop17h 58m

$513

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Tue 1/20

3:30 pm-4:20 pm

2 stops23h 50m

Castries Hewanorra

Wed 2/4

5:15 pm-2:47 pm

2 stops46h 32m

$516

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Sat 2/7

7:24 pm-1:46 pm

2 stops17h 22m

Castries Hewanorra

Sat 2/14

3:50 pm-12:51 am

1 stop10h 01m

$518

PhiladelphiaCastries

PHL - SLU

PHLSLU

Philadelphia

Sun 2/1

8:20 am-3:35 pm

2 stops30h 15m

Castries George F. L. Charle

Fri 2/6

7:10 pm-4:49 pm

2 stops22h 39m

$795

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Philadelphia to Saint Lucia

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

Prices

Airlines

What is the cheapest month to fly to Saint Lucia?

The month of August is, on average, the cheapest month to fly to Saint Lucia from Philadelphia, with most prices found around $617. If you aren’t able to travel to Saint Lucia during the month of August, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $626.

What is the cheapest day to depart on your flight to Saint Lucia?

Our data shows that Wednesday is the least expensive day to fly to Saint Lucia. Tickets to fly out on this day can be as low as $680. On the other hand, Saturday is the most expensive day to depart from Philadelphia because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $796.

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

Our data shows that the cheapest Philadelphia to Saint Lucia flights are usually those with departure times in the morning. Our users have found flights to Saint Lucia in the morning for as low as $765. Flights in the afternoon are often more expensive with an average ticket price of $800.

What is the cheapest Philadelphia to Saint Lucia flight route?

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

What cabin class options are available on Philadelphia to Saint Lucia flights?

There are 2 cabin classes available to choose from on Philadelphia to Saint Lucia 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 Saint Lucia flights?

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

Cheap Philadelphia to Saint Lucia flight deals and tips

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

Best Price Found	$702
Fastest flight time	4h 37m
Direct flights	Sun
Airports in Saint Lucia	1 airport

The best flight deal from Philadelphia to Saint Lucia found on momondo in the last 72 hours is $702

The fastest flight from Philadelphia to Saint Lucia takes 4h 37m

Direct flights go from Philadelphia to Saint Lucia on Sunday. There are no airlines offering direct flights.

There is 1 airport near Saint Lucia: Castries Hewanorra (UVF)

Search flight deals

When did momondo last update prices for flights from Philadelphia Airport to Saint Lucia?
Prices for flights from Philadelphia Airport to Saint Lucia refresh daily.
How many operators does momondo search for flights from Philadelphia Airport to Saint Lucia?
As of December 2025, there are 2 operators available to choose from for flights from Philadelphia Airport to Saint Lucia.
How old do you have to be to fly from Philadelphia Airport to Saint Lucia?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Philadelphia Airport to Saint Lucia.
What documentation or ID do you need to fly to Saint Lucia?
The required travel and health documents for your Saint Lucia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Saint Lucia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Philadelphia to Saint Lucia?
Based on momondo bookings for flights between Philadelphia and Saint Lucia, the leading plane model is Airbus A321-100/200, making up 83.33% of the total bookings. Other popular models include Airbus A220-300 with 8.33%, Airbus A321neo with 4.17%, and Boeing 737-700 with 4.17%.

Best airlines flying from Philadelphia to Saint Lucia

Compare and see reviews for airlines that fly from Philadelphia to Saint Lucia with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $556	Free Cancellation	Rating 7.2 11,047 reviews		Search American Airlines flights
Delta	PriceFrom $605	Free Cancellation	Rating 7.9 8,011 reviews		Search Delta flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Philadelphia to Saint Lucia for you.

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

All flight searches from Philadelphia to Saint Lucia on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Philadelphia to Saint Lucia?

momondo helps you find the best flight between Philadelphia and Saint Lucia by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

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

An easier way to manage your Saint Lucia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

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Popular cities in Saint Lucia

Flights to Castriesfrom $428

Cheap flights from Philadelphia to Saint Lucia from $172

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 Saint Lucia departing on 3/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Philadelphia to Saint Lucia

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JetBlue flights from Philadelphia to Saint Lucia

Our best JetBlue deals on Philadelphia to Saint Lucia flight tickets

Air Canada flights from Philadelphia to Saint Lucia

Our best Air Canada deals on Philadelphia to Saint Lucia flight tickets

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See travel insights to Saint Lucia from

How to get the cheapest flight ticket from Philadelphia to Saint Lucia

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 Saint Lucia?

What is the cheapest day to depart on your flight to Saint Lucia?

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

Our data shows that the cheapest Philadelphia to Saint Lucia flights are usually those with departure times in the morning. Our users have found flights to Saint Lucia in the morning for as low as $765. Flights in the afternoon are often more expensive with an average ticket price of $800.

What is the cheapest Philadelphia to Saint Lucia flight route?

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

What cabin class options are available on Philadelphia to Saint Lucia flights?

There are 2 cabin classes available to choose from on Philadelphia to Saint Lucia 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 Saint Lucia flights?

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

What is the cheapest airline that flies from Philadelphia to Saint Lucia?

Delta and JetBlue are the most popular carriers operating from Philadelphia to Saint Lucia

What airlines fly to Saint Lucia?

Cheap Philadelphia to Saint Lucia flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Saint Lucia

When did momondo last update prices for flights from Philadelphia Airport to Saint Lucia?

How many operators does momondo search for flights from Philadelphia Airport to Saint Lucia?

How old do you have to be to fly from Philadelphia Airport to Saint Lucia?

What documentation or ID do you need to fly to Saint Lucia?

What is the most popular plane model from Philadelphia to Saint Lucia?

Best airlines flying from Philadelphia to Saint Lucia

Compare and see reviews for airlines that fly from Philadelphia to Saint Lucia with momondo

Why use momondo?

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

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

How can momondo help me find flights from Philadelphia to Saint Lucia?

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

An easier way to manage your Saint Lucia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Saint Lucia

Popular cities in Saint Lucia

Popular flights according to clicks in the last 7 days on momondo