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Saint Lucia

$151+ 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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — UVF
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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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 July 30, 2025.

Round-trip from

$483
(American Airlines)

One-way from

$151
(Air Canada)

Popular in

December

Cheapest in

September

Average price

$774

Good round-trip deal

$592 or less
From Philadelphia to Saint Lucia
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One-way flight from Philadelphia to Saint Lucia
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Highest demand for flights based on searches. 24% potential increase in price ($272 potential increase over avg. RT price).
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Cheapest flight prices on average. 12% potential price decrease ($100 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Philadelphia to Saint Lucia.
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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 July 30, 2025.

This Air Canada deal was found by Cheapflights users on 7/27. 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 9/114:50 pmPHL - UVF
1 stop21h 25mAir Canada
Fri 9/193:10 pmUVF - PHL
1 stop18h 44mAir Canada
Deal found 7/27$398
This American Airlines deal was found by Cheapflights users on 7/29. 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.
Mon 8/186:00 amPHL - UVF
1 stop8h 35mAmerican Airlines
Fri 8/223:35 pmUVF - PHL
1 stop17h 55mAmerican Airlines
Deal found 7/29$483
This Expedia deal was found by Cheapflights users on 7/29. 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.
Mon 11/109:25 amPHL - UVF
2 stops28h 31mJetBlue
Fri 11/144:55 pmUVF - PHL
2 stops24h 42mJetBlue
Deal found 7/29$511
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/66:30 amPHL - UVF
1 stop8h 55mUnited Airlines
Sat 12/131:52 pmUVF - PHL
1 stop23h 15mUnited Airlines
Deal found 7/27$616
This Delta deal was found by Cheapflights users on 7/27. 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.
Tue 9/166:45 amPHL - UVF
1 stop7h 38mDelta
Fri 9/193:38 pmUVF - PHL
1 stop9h 16mDelta
Deal found 7/27$617
This Mytrip deal was found by Cheapflights users on 7/29. 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.
Mon 8/183:20 pmPHL - UVF
2 stops22h 55mMultiple Airlines
Fri 8/223:10 pmUVF - PHL
3 stops32h 19mMultiple Airlines
Deal found 7/29$683
This Mytrip deal was found by Cheapflights users on 7/29. 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 9/208:30 pmPHL - SLU
3 stops43h 20mMultiple Airlines
Sat 9/279:10 amSLU - PHL
3 stops35h 35mMultiple Airlines
Deal found 7/29$907

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 July 30, 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 9/11

9:20 am-2:15 pm

2 stops28h 55m

Castries Hewanorra

Fri 9/19

3:10 pm-2:38 pm

2 stops23h 28m

$398

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Mon 8/18

6:00 am-2:35 pm

1 stop8h 35m

Castries Hewanorra

Fri 8/22

3:35 pm-9:30 am

1 stop17h 55m

$483

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Sat 9/13

3:55 pm-2:15 pm

2 stops22h 20m

Castries Hewanorra

Sat 9/20

2:06 pm-9:50 pm

2 stops31h 44m

$547

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Tue 9/16

6:45 am-2:23 pm

1 stop7h 38m

Castries Hewanorra

Fri 9/19

3:38 pm-12:54 am

1 stop9h 16m

$617

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Mon 8/18

3:20 pm-2:15 pm

2 stops22h 55m

Castries Hewanorra

Fri 8/22

3:10 pm-11:29 pm

3 stops32h 19m

$683

PhiladelphiaCastries

PHL - SLU

PHLSLU

Philadelphia

Sat 9/20

8:30 pm-3:50 pm

3 stops43h 20m

Castries George F. L. Charle

Sat 9/27

9:10 am-8:45 pm

3 stops35h 35m

$907

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Thu 9/25

9:20 am-2:15 pm

2 stops28h 55m

$151

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Sat 9/27

10:20 am-2:15 pm

2 stops27h 55m

$208

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Fri 8/29

6:00 am-2:35 pm

1 stop8h 35m

$216

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Sat 9/27

5:25 am-1:44 pm

2 stops32h 19m

$291

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 12 results
1
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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 July 30, 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 July 30, 2025.
Read through reviews of airlines operating flights from Philadelphia to Saint Lucia, such as Delta, JetBlue, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

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
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

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!
JetBlue
7.3
Good
2,913 reviews
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

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
7,980 reviews

Overall

8.0

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

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
7.1
Good
9,837 reviews
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

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 airlines to fly from Philadelphia to Saint Lucia one-way?

    The cheapest airline one-way is Air Canada, with whom users have recently found tickets for as low as $151. However, be on the lookout for offers from American Airlines and JetBlue, as they are both options that can get you from Philadelphia to Saint Lucia for a low price.

  • 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 $902, our data indicates the cheapest price to be $592. The most popular route (Philadelphia - Castries Hewanorra), is priced around $511.

  • 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

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Alternative routes for Philadelphia to Saint Lucia

See prices for flight routes from nearby airports that may be better suited for you.
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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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$525Average$707FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$547Average$786FlexibilityNo cancel feeOn-time71%

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