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Saint Lucia

$176+ Cheap flights from Philadelphia (PHL) to Saint Lucia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/30. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — UVF
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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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 October 29, 2025.

This Air Canada deal was found by Cheapflights users on 10/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/303:30 pmPHL - UVF
2 stops23h 55mAir Canada
Fri 11/75:15 pmUVF - PHL
1 stop30h 31mAir Canada
Deal found 10/27$470
This Expedia deal was found by Cheapflights users on 10/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/66:00 amPHL - UVF
1 stop8h 20mJetBlue
Thu 12/114:57 pmUVF - PHL
2 stops31h 16mJetBlue
Deal found 10/27$552
This Expedia deal was found by Cheapflights users on 10/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2611:45 amPHL - UVF
2 stops26h 56mJetBlue
Wed 12/34:57 pmUVF - PHL
2 stops29h 51mJetBlue
Deal found 10/27$573
This Air Canada deal was found by Cheapflights users on 10/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/303:30 pmPHL - UVF
2 stops23h 55mAir Canada
Sun 11/95:15 pmUVF - PHL
1 stop30h 31mAir Canada
Deal found 10/27$590
This Air Canada deal was found by Cheapflights users on 10/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/13:30 pmPHL - UVF
2 stops24h 55mAir Canada
Mon 11/35:15 pmUVF - PHL
2 stops22h 32mAir Canada
Deal found 10/27$632
This American Airlines deal was found by Cheapflights users on 10/27. 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.
Wed 12/316:00 amPHL - UVF
1 stop8h 54mAmerican Airlines
Wed 1/75:02 pmUVF - PHL
1 stop17h 23mAmerican Airlines
Deal found 10/27$647
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Fri 12/125:00 amPHL - UVF
1 stop9h 53mAmerican Airlines
Fri 12/194:54 pmUVF - PHL
1 stop19h 05mAmerican Airlines
Deal found 10/28$673
This Delta deal was found by Cheapflights users on 10/27. 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.
Wed 11/265:30 amPHL - UVF
1 stop9h 09mDelta
Wed 12/34:56 pmUVF - PHL
1 stop8h 55mDelta
Deal found 10/27$677
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Sun 12/145:00 amPHL - UVF
1 stop7h 19mAmerican Airlines
Wed 12/242:04 pmUVF - PHL
1 stop10h 42mAmerican Airlines
Deal found 10/28$697
This American Airlines deal was found by Cheapflights users on 10/27. 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.
Sat 12/68:30 amPHL - UVF
Nonstop4h 43mAmerican Airlines
Thu 12/114:05 pmUVF - PHL
1 stop8h 54mAmerican Airlines
Deal found 10/27$698
This Mytrip deal was found by Cheapflights users on 10/28. 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.
Sat 12/63:30 pmPHL - UVF
2 stops23h 55mMultiple Airlines
Tue 12/93:40 pmUVF - PHL
3 stops32h 54mMultiple Airlines
Deal found 10/28$703
This Mytrip deal was found by Cheapflights users on 10/27. 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.
Sat 11/19:20 amPHL - SLU
2 stops33h 40mMultiple Airlines
Fri 11/77:10 pmSLU - PHL
2 stops26h 03mMultiple Airlines
Deal found 10/27$827

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 October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$490
(Expedia)

One-way from

$176
(Air Canada)

Popular in

June

Cheapest in

September

Average price

$824

Good round-trip deal

$1,192 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
One-way flight from Philadelphia to Saint Lucia
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($81 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Philadelphia to Saint Lucia.
Search Deals

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 October 29, 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

Thu 1/22

3:30 pm-4:25 pm

2 stops23h 55m

Castries Hewanorra

Mon 1/26

5:15 pm-3:49 pm

1 stop23h 34m

$545

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Thu 1/15

4:35 pm-4:25 pm

1 stop22h 50m

Castries Hewanorra

Mon 1/19

5:15 pm-3:49 pm

1 stop23h 34m

$555

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

Sat 11/1

3:30 pm-4:25 pm

2 stops24h 55m

Castries Hewanorra

Mon 11/3

5:15 pm-2:47 pm

2 stops22h 32m

$632

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Sun 11/2

3:30 pm-4:25 pm

2 stops23h 55m

Castries Hewanorra

Fri 11/7

5:15 pm-2:47 pm

2 stops22h 32m

$632

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Wed 1/14

5:40 am-3:05 pm

1 stop8h 25m

Castries Hewanorra

Sun 1/18

4:25 pm-12:23 am

1 stop8h 58m

$642

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

PhiladelphiaCastries

PHL - SLU

PHLSLU

Philadelphia

Sat 11/1

9:20 am-7:00 pm

2 stops33h 40m

Castries George F. L. Charle

Fri 11/7

7:10 pm-2:47 pm

3 stops20h 37m

$839

PhiladelphiaCastries

PHL - SLU

PHLSLU

Philadelphia

Sat 11/1

9:20 am-7:00 pm

2 stops33h 40m

Castries George F. L. Charle

Sat 11/8

12:35 pm-3:51 pm

2 stops28h 16m

$883

PhiladelphiaCastries

PHL - SLU

PHLSLU

Philadelphia

Thu 1/15

5:15 am-3:15 pm

2 stops33h 00m

Castries George F. L. Charle

Mon 1/19

12:35 pm-2:47 pm

2 stops27h 12m

$935

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 20 results
1
2

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, September is the cheapest month in which you can book a flight from Philadelphia to Saint Lucia (average of $152). Flying from Philadelphia to Saint Lucia in August is currently the most expensive (average of $403). 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 October 29, 2025.

A simple way to save on the total cost of your ticket is to fly from Philadelphia to Saint Lucia in the evening. If you’re flexible enough to do this you can expect to save up to 9% on your trip compared to booking a flight in the morning.

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 October 29, 2025.
Read through reviews of airlines operating flights from Philadelphia to Saint Lucia, such as Delta and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,992 reviews

Comfort

7.9

Overall

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,992 reviews
Delta
7.9
Good
7,992 reviews

Comfort

7.9

Overall

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,032 reviews
Delta
7.9
Good
7,992 reviews

Comfort

7.9

Overall

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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.

  • How long is the flight from Philadelphia to Saint Lucia?

    Departing from Philadelphia to Saint Lucia will take you 8h 25m. Airlines will cover a distance of 2002 mi. This flight may include one or multiple stops.

  • 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 $1,494, our data indicates the cheapest price to be $877. The most popular route (Philadelphia - Castries Hewanorra), is priced around $490.

  • 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, September is the cheapest month in which you can book a flight from Philadelphia to Saint Lucia (average of $152). Flying from Philadelphia to Saint Lucia in August is currently the most expensive (average of $403). 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

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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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$550Average$765FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$556Average$804FlexibilityNo cancel feeOn-time71%

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