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 $166. However, be on the lookout for offers from Delta and American Airlines, as they are both options that can get you from Philadelphia to Saint Lucia for a low price.

What is the cheapest day to fly from Philadelphia to Saint Lucia?

Travelers seeking maximum savings on their Philadelphia to Saint Lucia flight should consider departing on Saturday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 $603, our data indicates the cheapest price to be $353. The most popular route (Philadelphia - Castries Hewanorra), is priced around $472.

What is the cheapest month to fly from Philadelphia to Saint Lucia?

September is one of the best times of the year to fly to Saint Lucia from Philadelphia. Prices for September average $795 per person but you can even find prices for as low as $389. The most expensive prices can be found in the month of December. Opting for a September flight can save you 146% on your journey compared to booking in December

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.

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.

$752+ Flights from Philadelphia to Saint Lucia

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Cheap flight deals from Philadelphia to Saint Lucia

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$547 (American Airlines)
One-way from	$166 (Air Canada)
Popular in	December
Cheapest in	September
Average price	$636
Good round-trip deal	$802 or less
Good one-way deal	$353 or less

Provider with most accurate pricing for Philadelphia-Castries George F. L. Charle flight deals.

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Provider most trusted by Cheapflights users for Philadelphia-Castries George F. L. Charle flights.

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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. 30% potential increase in price ($347 potential increase over avg. RT price).

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Cheapest flight prices on average. 15% potential price decrease ($107 potential savings vs. average RT price).

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Average for round-trip flights in May 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 May 1, 2025.

Wed 9/245:30 amPHL - UVF

1 stop8h 13mAmerican Airlines

Wed 10/13:34 pmUVF - PHL

1 stop8h 52mAmerican Airlines

Deal found 4/30

$547

Fri 9/55:55 amPHL - UVF

1 stop8h 20mDelta

Fri 9/123:38 pmUVF - PHL

1 stop8h 45mDelta

Deal found 4/29

$572

Thu 6/193:20 pmPHL - UVF

2 stops22h 55mMultiple Airlines

Sun 6/222:35 pmUVF - PHL

3 stops43h 12mMultiple Airlines

Deal found 4/30

$602

Sat 7/266:30 amPHL - UVF

1 stop9h 00mUnited Airlines

Sat 8/212:55 pmUVF - PHL

2 stops33h 36mUnited Airlines

Deal found 4/30

$772

Wed 6/259:45 amPHL - UVF

2 stops52h 30mAir Canada

Tue 7/13:10 pmUVF - PHL

2 stops23h 23mAir Canada

Deal found 4/30

$832

Fri 5/211:00 amPHL - SLU

3 stops35h 10mMultiple Airlines

Fri 5/912:15 pmSLU - PHL

2 stops34h 02mMultiple Airlines

Deal found 4/30

$979

Best flights from Philadelphia to Saint Lucia
Discover carefully curated flight deals from Philadelphia to Saint Lucia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 1, 2025.

Wed 9/245:30 amPHL - UVF

1 stop8h 13mAmerican Airlines

Wed 10/13:34 pmUVF - PHL

1 stop8h 52mAmerican Airlines

Deal found 4/30

$547

Fri 9/55:55 amPHL - UVF

1 stop8h 20mDelta

Fri 9/123:38 pmUVF - PHL

1 stop8h 45mDelta

Deal found 4/29

$572

Thu 6/193:20 pmPHL - UVF

2 stops22h 55mMultiple Airlines

Sun 6/222:35 pmUVF - PHL

3 stops43h 12mMultiple Airlines

Deal found 4/30

$602

Sat 7/266:30 amPHL - UVF

1 stop9h 00mUnited Airlines

Sat 8/212:55 pmUVF - PHL

2 stops33h 36mUnited Airlines

Deal found 4/30

$772

Wed 6/259:45 amPHL - UVF

2 stops52h 30mAir Canada

Tue 7/13:10 pmUVF - PHL

2 stops23h 23mAir Canada

Deal found 4/30

$832

Fri 5/306:00 amPHL - SLU

2 stops31h 10mMultiple Airlines

Sat 6/76:20 pmSLU - PHL

2 stops28h 23mMultiple Airlines

Deal found 4/30

$802

Last-minute flights from Philadelphia to Saint Lucia
Discover last-minute flight deals from Philadelphia to Saint Lucia. Data last updated May 1, 2025 and is based on user searches.

Fri 5/211:00 amPHL - SLU

3 stops35h 10mMultiple Airlines

Fri 5/912:15 pmSLU - PHL

2 stops34h 02mMultiple Airlines

Deal found 4/30

$979

Wed 5/75:30 amPHL - UVF

1 stop8h 36mDelta

Thu 5/153:26 pmUVF - PHL

1 stop9h 31mDelta

Deal found 4/30

$942

Wed 5/76:00 amPHL - UVF

1 stop8h 11mAmerican Airlines

Wed 5/143:14 pmUVF - PHL

2 stops16h 16mAmerican Airlines

Deal found 4/30

$947

Sat 5/106:05 amPHL - UVF

1 stop9h 25mUnited Airlines

Sat 5/1712:55 pmUVF - PHL

2 stops34h 00mUnited Airlines

Deal found 4/30

$1,087

Sat 5/104:50 pmPHL - SLU

2 stops18h 55mMultiple Airlines

Sat 5/176:20 pmSLU - PHL

2 stops21h 28mMultiple Airlines

Deal found 4/29

$3,638

Sat 5/318:15 amPHL - UVF

Nonstop4h 45mAmerican Airlines

Wed 6/43:14 pmUVF - PHL

1 stop17h 55mAmerican Airlines

Deal found 4/30

$688

One-way flights from Philadelphia to Saint Lucia
Search for one-way flight options from Philadelphia to Saint Lucia. Find affordable one-way fares based on user searches. Data last updated May 1, 2025.

Thu 5/293:20 pmPHL - UVF

2 stops22h 55mAir Canada

Deal found 5/1

$166

Fri 5/304:00 pmPHL - UVF

2 stops45h 45mMultiple Airlines

Deal found 5/1

$257

Sun 6/295:30 amPHL - UVF

1 stop8h 46mDelta

Deal found 4/30

$333

Sat 6/283:35 pmPHL - UVF

2 stops22h 10mAmerican Airlines

Deal found 4/30

$378

Cheapflights Fare Finder

Use the filters below to find and compare flights from Philadelphia to Saint Lucia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Thu 6/19

3:20 pm-2:15 pm

2 stops22h 55m

Castries Hewanorra

Sun 6/22

2:35 pm-9:47 am

3 stops43h 12m

$602

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Fri 7/4

6:08 am-2:15 pm

1 stop8h 07m

Castries Hewanorra

Wed 7/9

3:00 pm-11:23 am

1 stop20h 23m

$675

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-10:31 pm

2 stops33h 36m

$772

PhiladelphiaCastries

PHL - SLU

PHLSLU

Philadelphia

Fri 5/30

6:00 am-1:10 pm

2 stops31h 10m

Castries George F. L. Charle

Sat 6/7

6:20 pm-10:43 pm

2 stops28h 23m

$802

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Wed 6/25

9:45 am-2:15 pm

2 stops52h 30m

Castries Hewanorra

Tue 7/1

3:10 pm-2:33 pm

2 stops23h 23m

$832

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Sat 6/21

5:30 am-2:16 pm

1 stop8h 46m

Castries Hewanorra

Sat 7/5

3:36 pm-12:59 am

1 stop9h 23m

$867

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Thu 5/29

3:20 pm-2:15 pm

2 stops22h 55m

$166

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Fri 5/30

4:00 pm-1:45 pm

2 stops45h 45m

$257

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Sun 6/29

5:30 am-2:16 pm

1 stop8h 46m

$333

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Sat 6/28

3:35 pm-1:45 pm

2 stops22h 10m

$378

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/1

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?

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

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

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,934 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,696 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Canada

7.0

Good

9,252 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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 $166. However, be on the lookout for offers from Delta and American 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 $603, our data indicates the cheapest price to be $353. The most popular route (Philadelphia - Castries Hewanorra), is priced around $472.
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

Alternative routes for Philadelphia to Saint Lucia

Newark to Luis Munoz Marin Intl flights

John F Kennedy Intl to Luis Munoz Marin Intl flights

John F Kennedy Intl to Santiago de los Caballeros flights

John F Kennedy Intl to Punta Cana flights

LaGuardia to Luis Munoz Marin Intl flights

John F Kennedy Intl to Montego Bay flights

Newark to Santiago de los Caballeros flights

Newark to Punta Cana flights

John F Kennedy Intl to Santo Domingo flights

Newark to Santo Domingo flights

Newark to Montego Bay flights

Newark to Oranjestad flights

Dulles Intl to Luis Munoz Marin Intl flights

Philadelphia to Luis Munoz Marin Intl flights

John F Kennedy Intl to Oranjestad flights

Reagan-National to Luis Munoz Marin Intl flights

Newark to Nassau flights

LaGuardia to Punta Cana flights

John F Kennedy Intl to Nassau flights

LaGuardia to Montego Bay flights

John F Kennedy Intl to Kingston flights

Dulles Intl to Punta Cana flights

Newark to Simpson Bay flights

John F Kennedy Intl to Saint Thomas Island flights

LaGuardia to Oranjestad flights

John F Kennedy Intl to Simpson Bay flights

LaGuardia to Santo Domingo flights

Newark to Providenciales flights

Dulles Intl to Montego Bay flights

John F Kennedy Intl to St. John's flights

Philadelphia to Punta Cana flights

Dulles Intl to Oranjestad flights

John F Kennedy Intl to Bridgetown flights

LaGuardia to Nassau flights

John F Kennedy Intl to Castries flights

Newark to Saint Thomas Island flights

John F Kennedy Intl to Providenciales flights

John F Kennedy Intl to Willemstad flights

LaGuardia to Santiago de los Caballeros flights

Dulles Intl to Saint Thomas Island flights

Philadelphia to Oranjestad flights

John F Kennedy Intl to St. George's flights

John F Kennedy Intl to Port of Spain flights

John F Kennedy Intl to Puerto Plata flights

LaGuardia to Simpson Bay flights

Philadelphia to Montego Bay flights

LaGuardia to Saint Thomas Island flights

LaGuardia to Kingston flights

Reagan-National to Punta Cana flights

Reagan-National to Montego Bay flights

Top 2 airlines flying from Philadelphia to Saint Lucia

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$435	Average$713	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$465	Average$621	FlexibilityNo cancel fee	On-timeN/A

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$166+ 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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Philadelphia to Saint Lucia with Cheapflights

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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 May 1, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Philadelphia to Saint Lucia

Cheapest flights from Philadelphia to Saint LuciaExplore 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 May 1, 2025.

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 May 1, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Philadelphia to Saint Lucia that are best for you.

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.

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?

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 May 1, 2025.

Reviews of airlines servicing Saint Lucia

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.

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?

What are the cheapest airlines to fly from Philadelphia to Saint Lucia one-way?

What are the cheapest flights from Philadelphia to Saint Lucia?

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

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

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

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

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.

Top 2 airlines flying from Philadelphia to Saint Lucia

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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 May 1, 2025.