HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Saint Lucia

$427+ Cheap flights from Philadelphia (PHL) to Saint Lucia

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — UVF
may. 20 — may. 271
mar. 5/20
mar. 5/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Philadelphia to Saint Lucia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Philadelphia to Saint Lucia

Keep the following information in mind while searching for Philadelphia to Saint Lucia flight deals. Data was last updated mayo 15, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$427
(Gotogate)

Popular in

December

Cheapest in

September

Average price

$680

Good round-trip deal

$802 or less
Provider with most accurate pricing for Philadelphia-Castries George F. L. Charle flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Castries George F. L. Charle flights.
Search Deals
From Philadelphia to Saint Lucia
Search Deals
Highest demand for flights based on searches. 29% potential increase in price ($337 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 15% potential price decrease ($105 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2025
Search Deals
Price to beat on a round-trip flight from Philadelphia to Saint Lucia.
Search Deals

Find flight deals from Philadelphia to Saint Lucia

Cheapest flights from Philadelphia to Saint Lucia
Explore the most affordable flight options available from Philadelphia to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on mayo 15, 2025.

This Priceline deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/97:30 amPHL - UVF
1 stop30h 45mAir Canada
vie. 6/133:10 pmUVF - PHL
2 stops23h 23mAir Canada
Deal found 5/14$427
This American Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/165:20 amPHL - UVF
1 stop8h 40mAmerican Airlines
jue. 11/203:05 pmUVF - PHL
2 stops17h 25mAmerican Airlines
Deal found 5/15$542
This Delta deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/165:55 amPHL - UVF
1 stop8h 21mDelta
mié. 8/203:35 pmUVF - PHL
1 stop8h 52mDelta
Deal found 5/13$572
This Mytrip deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/96:00 amPHL - UVF
2 stops32h 15mMultiple Airlines
vie. 6/133:10 pmUVF - PHL
2 stops23h 23mMultiple Airlines
Deal found 5/14$586
This United Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/166:30 amPHL - UVF
1 stop9h 00mUnited Airlines
sáb. 8/232:35 pmUVF - PHL
2 stops18h 58mUnited Airlines
Deal found 5/13$802
This Mytrip deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/276:00 amPHL - SLU
2 stops27h 30mMultiple Airlines
vie. 7/1812:35 pmSLU - PHL
2 stops21h 19mMultiple Airlines
Deal found 5/13$835

Cheapflights Fare Finder

Customize your flight search to find flights from Philadelphia to Saint Lucia 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, Cheapflights users made 2,558,603 searches. Data last updated mayo 15, 2025.
Use the filters below to find and compare flights from Philadelphia to Saint Lucia that are best for you.

Fly from

Philadelphia

Fly to

Saint Lucia

Route

Depart

Return

Price

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

lun. 6/9

7:30 am-2:15 pm

1 stop30h 45m

Castries Hewanorra

vie. 6/13

3:10 pm-2:33 pm

2 stops23h 23m

$427

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

lun. 6/9

6:00 am-2:15 pm

2 stops32h 15m

Castries Hewanorra

vie. 6/13

3:10 pm-2:33 pm

2 stops23h 23m

$586

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

vie. 8/8

6:08 am-2:15 pm

1 stop8h 07m

Castries Hewanorra

dom. 8/17

3:15 pm-7:49 am

1 stop16h 34m

$632

PhiladelphiaCastries

PHL - SLU

PHLSLU

Philadelphia

mar. 5/27

6:00 am-9:30 am

2 stops27h 30m

Castries George F. L. Charle

vie. 7/18

12:35 pm-9:54 am

2 stops21h 19m

$835

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

mar. 7/8

5:30 am-2:20 pm

1 stop8h 50m

Castries Hewanorra

dom. 7/13

3:40 pm-12:59 am

1 stop9h 19m

$967

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

sáb. 6/21

6:25 am-3:30 pm

1 stop9h 05m

Castries Hewanorra

sáb. 7/5

12:55 pm-12:06 pm

2 stops23h 11m

$987

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/14

Best time to book a flight from Philadelphia to Saint Lucia

Have a flexible travel schedule? Discover the best time to fly to Saint Lucia from Philadelphia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Philadelphia to Saint Lucia

What is the cheapest month to book a flight from Philadelphia to Saint Lucia?

Currently, January is the cheapest month in which you can book a flight from Philadelphia to Saint Lucia (average of $556). Flying from Philadelphia to Saint Lucia in December is currently the most expensive (average of $730). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PHL to LC?

Find hourly flight availability from Philadelphia to Saint Lucia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated mayo 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Philadelphia to Saint Lucia as you normally would.

Reviews of airlines servicing Saint Lucia

Get insights into the airlines that provide service to Saint Lucia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Saint Lucia. Reviews last updated mayo 15, 2025.
Read reviews from past customers who have flown Delta, United Airlines and American Airlines from Philadelphia to Saint Lucia. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,731 reviews
Delta
8.0
Very good
7,946 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,946 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.0
Good
9,338 reviews
Delta
8.0
Very good
7,946 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Saint Lucia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Philadelphia to Saint Lucia?

    Philadelphia (PHL), located 7.0 mi from the city center, is the airport you fly out of when you book flights from Philadelphia to Saint Lucia.

  • What are the cheapest flights from Philadelphia to Saint Lucia?

    Looking for the cheapest flight from Philadelphia to Saint Lucia? While on average our users pay $847, our data indicates the cheapest price to be $597. The most popular route (Philadelphia - Castries Hewanorra), is priced around $547.

  • Can I find deals for flights from Philadelphia to Saint Lucia that include hotel bookings?

    Yes. In addition to deals on Philadelphia to Saint Lucia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Philadelphia to Saint Lucia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Saint Lucia.

  • Can I find deals for business class flights from Philadelphia to Saint Lucia?

    Yes. Cheapflights offers flight deals from Philadelphia to Saint Lucia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Philadelphia to Saint Lucia?

    Currently, January is the cheapest month in which you can book a flight from Philadelphia to Saint Lucia (average of $556). Flying from Philadelphia to Saint Lucia in December is currently the most expensive (average of $730). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Philadelphia to Saint Lucia

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Luis Munoz Marin Intl flights
Newark to Luis Munoz Marin Intl flights
John F Kennedy Intl to Santiago de los Caballeros flights
LaGuardia to Luis Munoz Marin Intl flights
John F Kennedy Intl to Santo Domingo flights
John F Kennedy Intl to Montego Bay flights
John F Kennedy Intl to Punta Cana flights
Newark to Santiago de los Caballeros flights
Newark to Santo Domingo flights
Philadelphia to Luis Munoz Marin Intl flights
Newark to Montego Bay flights
Dulles Intl to Luis Munoz Marin Intl flights
Newark to Punta Cana flights
Reagan-National to Luis Munoz Marin Intl flights
Newark to Oranjestad flights
John F Kennedy Intl to Oranjestad flights
LaGuardia to Punta Cana flights
LaGuardia to Montego Bay flights
Newark to Nassau flights
Dulles Intl to Punta Cana flights
John F Kennedy Intl to Kingston flights
John F Kennedy Intl to Nassau flights
John F Kennedy Intl to Simpson Bay flights
Newark to Simpson Bay flights
John F Kennedy Intl to Saint Thomas Island flights
Dulles Intl to Montego Bay flights
LaGuardia to Oranjestad flights
LaGuardia to Santo Domingo flights
John F Kennedy Intl to Willemstad flights
John F Kennedy Intl to Bridgetown flights
LaGuardia to Nassau flights
Dulles Intl to Oranjestad flights
John F Kennedy Intl to St. John's flights
Newark to Providenciales flights
John F Kennedy Intl to St. George's flights
John F Kennedy Intl to Providenciales flights
Philadelphia to Punta Cana flights
Newark to Saint Thomas Island flights
John F Kennedy Intl to Port of Spain flights
Philadelphia to Montego Bay flights
Philadelphia to Oranjestad flights
LaGuardia to Santiago de los Caballeros flights
Dulles Intl to Saint Thomas Island flights
LaGuardia to Simpson Bay flights
Reagan-National to Punta Cana flights
John F Kennedy Intl to Puerto Plata flights
Reagan-National to Montego Bay flights
John F Kennedy Intl to Castries flights
LaGuardia to Kingston flights
Reagan-National to Nassau flights

Top 2 airlines flying from Philadelphia to Saint Lucia

Discover the top 2 airlines that operate flights from Philadelphia to Saint Lucia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated mayo 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$435Average$722FlexibilityNo cancel feeOn-time71%
DeltaCheapest$465Average$632FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.