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Saint Lucia

$161+ 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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — UVF
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
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 septiembre 11, 2025.

Round-trip from

$428
(Air Canada)

One-way from

$161
(Air Canada)

Popular in

December

Cheapest in

September

Average price

$626

Good round-trip deal

$752 or less

Good one-way deal

$413 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. 23% potential increase in price ($271 potential increase over avg. RT price).
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Cheapest flight prices on average. 12% potential price decrease ($99 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Philadelphia to Saint Lucia.
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Price to beat on a one-way 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 septiembre 11, 2025.

This Air Canada deal was found by Cheapflights users on 9/9. 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.
lun. 9/153:25 pmPHL - UVF
2 stops22h 50mAir Canada
vie. 9/193:10 pmUVF - PHL
2 stops23h 28mAir Canada
Deal found 9/9$394
This Priceline deal was found by Cheapflights users on 9/9. 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. 9/227:30 amPHL - UVF
1 stop30h 45mAir Canada
vie. 9/263:10 pmUVF - PHL
2 stops30h 28mAir Canada
Deal found 9/9$404
This Air Canada deal was found by Cheapflights users on 9/10. 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.
dom. 11/99:20 amPHL - UVF
1 stop30h 05mAir Canada
vie. 11/145:15 pmUVF - PHL
2 stops22h 32mAir Canada
Deal found 9/10$428
This Priceline deal was found by Cheapflights users on 9/9. 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.
jue. 10/234:50 pmPHL - UVF
1 stop21h 25mAir Canada
lun. 10/274:15 pmUVF - PHL
1 stop23h 36mAir Canada
Deal found 9/9$435
This Air Canada deal was found by Cheapflights users on 9/9. 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.
dom. 11/304:35 pmPHL - UVF
1 stop22h 50mAir Canada
mié. 12/35:15 pmUVF - PHL
2 stops22h 32mAir Canada
Deal found 9/9$452
This Priceline deal was found by Cheapflights users on 9/9. 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. 12/13:30 pmPHL - UVF
2 stops47h 55mAir Canada
vie. 12/55:15 pmUVF - PHL
1 stop23h 34mAir Canada
Deal found 9/9$462
This Priceline deal was found by Cheapflights users on 9/9. 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.
jue. 10/309:20 amPHL - UVF
1 stop30h 05mAir Canada
lun. 11/35:15 pmUVF - PHL
1 stop23h 36mAir Canada
Deal found 9/9$469
This Air Canada deal was found by Cheapflights users on 9/10. 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.
dom. 11/93:30 pmPHL - UVF
2 stops23h 55mAir Canada
lun. 11/175:15 pmUVF - PHL
1 stop30h 41mAir Canada
Deal found 9/10$470
This Expedia deal was found by Cheapflights users on 9/9. 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.
mar. 10/284:52 pmPHL - UVF
2 stops21h 05mJetBlue
sáb. 11/12:42 pmUVF - PHL
1 stop18h 55mJetBlue
Deal found 9/9$491
This Mytrip deal was found by Cheapflights users on 9/9. 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. 10/203:25 pmPHL - UVF
2 stops22h 50mMultiple Airlines
vie. 10/243:10 pmUVF - PHL
3 stops32h 26mMultiple Airlines
Deal found 9/9$497
This Mytrip deal was found by Cheapflights users on 9/9. 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. 9/227:30 amPHL - UVF
1 stop30h 45mMultiple Airlines
vie. 9/263:10 pmUVF - PHL
3 stops31h 19mMultiple Airlines
Deal found 9/9$506
This Expedia deal was found by Cheapflights users on 9/9. 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.
lun. 11/36:00 amPHL - UVF
2 stops31h 57mJetBlue
sáb. 11/83:44 pmUVF - PHL
1 stop17h 53mJetBlue
Deal found 9/9$507

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 septiembre 11, 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

dom. 11/30

3:30 pm-4:25 pm

2 stops23h 55m

Castries Hewanorra

mié. 12/3

5:15 pm-2:47 pm

2 stops22h 32m

$452

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

mar. 12/2

4:35 pm-4:25 pm

1 stop22h 50m

Castries Hewanorra

lun. 12/8

5:15 pm-3:49 pm

1 stop23h 34m

$470

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

lun. 10/27

4:52 pm-1:57 pm

2 stops21h 05m

Castries Hewanorra

jue. 10/30

3:56 pm-8:37 am

2 stops16h 41m

$539

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

dom. 10/26

3:30 pm-3:25 pm

2 stops23h 55m

Castries Hewanorra

jue. 10/30

2:40 pm-11:17 pm

3 stops32h 37m

$558

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

dom. 11/2

7:22 pm-1:19 pm

1 stop16h 57m

Castries Hewanorra

jue. 11/6

4:04 pm-12:10 am

1 stop9h 06m

$617

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

dom. 11/9

5:30 am-3:39 pm

1 stop9h 09m

Castries Hewanorra

jue. 11/13

4:59 pm-12:51 am

1 stop8h 52m

$617

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

lun. 11/3

5:00 am-1:19 pm

1 stop7h 19m

Castries Hewanorra

vie. 11/7

4:05 pm-9:51 am

1 stop18h 46m

$617

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

mar. 11/25

6:30 am-3:39 pm

1 stop8h 09m

Castries Hewanorra

mié. 12/3

4:59 pm-12:50 am

1 stop8h 51m

$617

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

dom. 11/9

3:30 pm-4:25 pm

2 stops23h 55m

Castries Hewanorra

jue. 11/13

3:40 pm-4:49 pm

2 stops26h 09m

$620

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

mié. 11/12

10:46 am-2:50 pm

2 stops27h 04m

Castries Hewanorra

dom. 11/16

5:15 pm-10:56 pm

1 stop30h 41m

$622

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 26 results
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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 septiembre 11, 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 septiembre 11, 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
8.0
Very good
7,960 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

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
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

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
7,960 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

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.

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

    Departing from Philadelphia to Saint Lucia will take you 16h 57m. 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 $710, our data indicates the cheapest price to be $358. The most popular route (Philadelphia - Castries Hewanorra), is priced around $491.

  • 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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$547Average$793FlexibilityNo cancel feeOn-time71%
DeltaCheapest$550Average$707FlexibilityNo cancel feeOn-timeN/A

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