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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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — UVF
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$429
(Air Canada)

One-way from

$179
(Air Canada)

Popular in

December

Cheapest in

September

Average price

$965

Good round-trip deal

$582 or less

Good one-way deal

$353 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. 26% potential increase in price ($303 potential increase over avg. RT price).
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Cheapest flight prices on average. 13% potential price decrease ($103 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Air Canada deal was found by Cheapflights users on 6/11. 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.
Mon 7/73:20 pmPHL - UVF
2 stops22h 55mAir Canada
Fri 7/113:10 pmUVF - PHL
2 stops23h 23mAir Canada
Deal found 6/11$429
This American Airlines deal was found by Cheapflights users on 6/11. 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 10/116:40 pmPHL - UVF
1 stop17h 30mAmerican Airlines
Thu 10/162:10 pmUVF - PHL
1 stop10h 17mAmerican Airlines
Deal found 6/11$557
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/35:55 amPHL - UVF
1 stop8h 28mDelta
Fri 10/103:32 pmUVF - PHL
1 stop8h 51mDelta
Deal found 6/10$582
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/259:00 amPHL - UVF
3 stops29h 15mMultiple Airlines
Fri 8/293:10 pmUVF - PHL
2 stops23h 27mMultiple Airlines
Deal found 6/10$599
This United Airlines deal was found by Cheapflights users on 6/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/266:30 amPHL - UVF
1 stop9h 00mUnited Airlines
Sat 8/212:55 pmUVF - PHL
1 stop11h 35mUnited Airlines
Deal found 6/9$817
This Mytrip deal was found by Cheapflights users on 6/11. 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.
Wed 7/23:05 pmPHL - SLU
3 stops27h 55mMultiple Airlines
Sun 7/612:10 pmSLU - PHL
3 stops26h 23mMultiple Airlines
Deal found 6/11$861

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 June 12, 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

Mon 7/7

3:20 pm-2:15 pm

2 stops22h 55m

Castries Hewanorra

Fri 7/11

3:10 pm-2:33 pm

2 stops23h 23m

$429

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Sat 10/11

6:40 pm-12:10 pm

1 stop17h 30m

Castries Hewanorra

Thu 10/16

2:10 pm-12:27 am

1 stop10h 17m

$557

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Mon 8/25

9:00 am-2:15 pm

3 stops29h 15m

Castries Hewanorra

Fri 8/29

3:10 pm-2:37 pm

2 stops23h 27m

$599

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Sun 8/24

5:25 am-2:15 pm

1 stop8h 50m

Castries Hewanorra

Fri 8/29

3:35 pm-12:56 am

1 stop9h 21m

$617

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Sat 7/26

6:30 am-3:30 pm

1 stop9h 00m

Castries Hewanorra

Sat 8/2

12:55 pm-2:08 pm

2 stops25h 13m

$837

PhiladelphiaCastries

PHL - SLU

PHLSLU

Philadelphia

Wed 7/2

3:05 pm-7:00 pm

3 stops27h 55m

Castries George F. L. Charle

Sun 7/6

12:10 pm-2:33 pm

3 stops26h 23m

$861

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Mon 9/1

3:20 pm-2:15 pm

2 stops22h 55m

$161

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Mon 9/1

10:47 am-2:15 pm

3 stops27h 28m

$303

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Sat 7/26

8:16 am-2:20 pm

1 stop30h 04m

$353

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Sat 6/21

6:25 am-3:30 pm

1 stop9h 05m

$533

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 11 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 June 12, 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 June 12, 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

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
9,537 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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!
British Airways
6.6
Okay
7,008 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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 $179. However, be on the lookout for offers from American Airlines and United Airlines, 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 $605, our data indicates the cheapest price to be $353. The most popular route (Philadelphia - Castries Hewanorra), is priced around $525.

  • 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$435Average$743FlexibilityNo cancel feeOn-time71%
DeltaCheapest$465Average$663FlexibilityNo cancel feeOn-timeN/A

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