$174+ Cheap flights from Philadelphia (PHL) to Saint Lucia
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/21. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — UVF
Oct 23 — Oct 301
Round-trip
1 adult, Economy
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Find cheap flights from Philadelphia to Saint Lucia with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Philadelphia to Saint Lucia
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Last-minute
One-way
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 September 23, 2026.
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 September 23, 2026.
This Air Canada deal was found by Cheapflights users on 9/22. 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.
Sun 11/293:20 pm -
2 stops24h 20m
Mon 12/75:35 pm -
1 stop23h 46m
Deal found 9/22![Air Canada logo]()
$439
This Justfly.com deal was found by Cheapflights users on 9/20. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/15:05 pm -
1 stop22h 35m
Mon 12/75:35 pm -
1 stop23h 46m
Deal found 9/20![Air Canada logo]()
$468
This Air Canada deal was found by Cheapflights users on 9/20. 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.
Tue 12/13:20 pm -
2 stops24h 20m
Wed 12/95:35 pm -
2 stops46h 09m
Deal found 9/20![Air Canada logo]()
$475
This Orbitz deal was found by Cheapflights users on 9/19. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/129:15 am -
1 stop30h 25m
Mon 11/165:35 pm -
1 stop30h 21m
Deal found 9/19![Air Canada logo]()
$496
Best flights from Philadelphia to Saint LuciaDiscover 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 September 23, 2026.
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 September 23, 2026.
This Delta deal was found by Cheapflights users on 9/23. 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 12/155:15 am -
1 stop8h 49m
Tue 12/224:56 pm -
1 stop9h 08m
Deal found 9/23![Delta logo]()
$728
This United Airlines deal was found by Cheapflights users on 9/22. 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 1/306:22 am -
1 stop9h 03m
Sat 2/65:17 pm -
2 stops19h 57m
Deal found 9/22![United Airlines logo]()
$836
This Delta deal was found by Cheapflights users on 9/19. 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 2/176:40 am -
1 stop7h 25m
Tue 3/24:25 pm -
1 stop9h 26m
Deal found 9/19![Delta logo]()
$728
This Delta deal was found by Cheapflights users on 9/23. 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 11/176:30 am -
1 stop7h 35m
Wed 11/254:25 pm -
1 stop9h 30m
Deal found 9/23![Delta logo]()
$728
This Delta deal was found by Cheapflights users on 9/20. 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.
Thu 1/76:35 am -
1 stop7h 30m
Wed 1/134:25 pm -
1 stop9h 26m
Deal found 9/20![Delta logo]()
$768
This Delta deal was found by Cheapflights users on 9/21. 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.
Mon 1/185:30 am -
1 stop8h 35m
Sun 1/244:25 pm -
1 stop9h 26m
Deal found 9/21![Delta logo]()
$768
This Delta deal was found by Cheapflights users on 9/21. 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 1/156:35 am -
1 stop7h 30m
Thu 1/214:25 pm -
1 stop9h 26m
Deal found 9/21![Delta logo]()
$768
This Delta deal was found by Cheapflights users on 9/19. 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 1/225:30 am -
1 stop8h 35m
Wed 3/173:20 pm -
1 stop18h 07m
Deal found 9/19![Delta logo]()
$768
This Delta deal was found by Cheapflights users on 9/21. 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 1/156:35 am -
1 stop7h 30m
Mon 1/254:25 pm -
1 stop18h 02m
Deal found 9/21![Delta logo]()
$808
This Delta deal was found by Cheapflights users on 9/22. 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.
Sat 1/96:35 am -
1 stop7h 30m
Sat 1/164:25 pm -
1 stop9h 26m
Deal found 9/22![Delta logo]()
$808
This Delta deal was found by Cheapflights users on 9/21. 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 1/195:30 am -
1 stop8h 35m
Wed 1/204:25 pm -
1 stop9h 26m
Deal found 9/21![Delta logo]()
$828
This Delta deal was found by Cheapflights users on 9/19. 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.
Sun 2/76:35 am -
1 stop7h 30m
Thu 2/114:25 pm -
1 stop9h 26m
Deal found 9/19![Delta logo]()
$828
Last-minute flights from Philadelphia to Saint LuciaDiscover last-minute flight deals from Philadelphia to Saint Lucia. Data last updated September 23, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Saint Lucia. Data last updated September 23, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/20. 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 10/167:35 pm -
1 stop18h 35m
Tue 10/202:42 pm -
1 stop10h 09m
Deal found 9/20![American Airlines logo]()
$979
This American Airlines deal was found by Cheapflights users on 9/21. 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 10/197:15 am -
1 stop7h 49m
Mon 10/264:04 pm -
1 stop17h 41m
Deal found 9/21![American Airlines logo]()
$768
This American Airlines deal was found by Cheapflights users on 9/21. 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.
Tue 10/206:00 am -
1 stop9h 04m
Sat 10/244:04 pm -
1 stop8h 47m
Deal found 9/21![American Airlines logo]()
$868
This American Airlines deal was found by Cheapflights users on 9/19. 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 10/216:00 am -
1 stop9h 04m
Sun 10/254:04 pm -
1 stop17h 41m
Deal found 9/19![American Airlines logo]()
$778
This American Airlines deal was found by Cheapflights users on 9/22. 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.
Thu 10/227:15 am -
1 stop7h 49m
Mon 10/262:42 pm -
1 stop10h 09m
Deal found 9/22![American Airlines logo]()
$808
This American Airlines deal was found by Cheapflights users on 9/20. 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 10/255:00 am -
1 stop8h 42m
Fri 10/304:04 pm -
1 stop17h 41m
Deal found 9/20![American Airlines logo]()
$708
One-way flights from Philadelphia to Saint LuciaSearch for one-way flight options from Philadelphia to Saint Lucia. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
Search for one-way flight options from Philadelphia to Saint Lucia. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
This Travelocity deal was found by Cheapflights users on 9/22. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/213:20 pm -
2 stops48h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Air Canada logo]()
$174
This Travelocity deal was found by Cheapflights users on 9/19. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/189:15 am -
1 stop30h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Air Canada logo]()
$181
This Air Canada deal was found by Cheapflights users on 9/21. 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 10/243:25 pm -
2 stops24h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Air Canada logo]()
$194
This Trip.com deal was found by Cheapflights users on 9/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/229:15 am -
1 stop30h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Air Canada logo]()
$202
This Air Canada deal was found by Cheapflights users on 9/19. 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.
Sun 11/159:15 am -
1 stop30h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Air Canada logo]()
$205
Find 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 September 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $439 (Air Canada) |
One-way from | $174 (Travelocity) |
Good round-trip deal | $782 or less |
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 7,457,451 searches. Data last updated September 23, 2026.
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
Cheapest round-trip
PhiladelphiaCastries
PHL Philadelphia - UVF Castries Hewanorra
PHLUVF
Philadelphia
Sat 3/20
9:15 am-3:45 pm
1 stop30h 30m
Castries Hewanorra
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$302
PhiladelphiaCastries
PHL Philadelphia - UVF Castries Hewanorra
PHLUVF
Philadelphia
Mon 3/22
3:20 pm-3:45 pm
2 stops48h 25m
Castries Hewanorra
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$309
PhiladelphiaCastries
PHL Philadelphia - UVF Castries Hewanorra
PHLUVF
Philadelphia
Tue 12/15
9:15 am-4:40 pm
1 stop30h 25m
Castries Hewanorra
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$322
PhiladelphiaCastries
PHL Philadelphia - UVF Castries Hewanorra
PHLUVF
Philadelphia
Mon 3/22
7:29 pm-2:00 pm
1 stop18h 31m
Castries Hewanorra
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$364
PhiladelphiaCastries
PHL Philadelphia - UVF Castries Hewanorra
PHLUVF
Philadelphia
Tue 11/17
5:15 am-3:05 pm
1 stop8h 50m
Castries Hewanorra
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$364
Quickest round-trip
PhiladelphiaCastries
PHL Philadelphia - UVF Castries Hewanorra
PHLUVF
Philadelphia
Tue 11/24
6:30 am-3:05 pm
1 stop7h 35m
Castries Hewanorra
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$364
PhiladelphiaCastries
PHL Philadelphia - UVF Castries Hewanorra
PHLUVF
Philadelphia
Mon 11/16
5:15 am-3:05 pm
1 stop8h 50m
Castries Hewanorra
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$364
PhiladelphiaCastries
PHL Philadelphia - UVF Castries Hewanorra
PHLUVF
Philadelphia
Mon 12/21
1:01 pm-2:15 pm
2 stops24h 14m
Castries Hewanorra
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$369
PhiladelphiaCastries
PHL Philadelphia - UVF Castries Hewanorra
PHLUVF
Philadelphia
Sun 3/21
9:15 am-3:45 pm
1 stop30h 30m
Castries Hewanorra
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$388
PhiladelphiaCastries
PHL Philadelphia - UVF Castries Hewanorra
PHLUVF
Philadelphia
Tue 12/15
5:15 am-3:04 pm
1 stop8h 49m
Castries Hewanorra
Tue 12/22
4:56 pm-1:04 am
1 stop9h 08m
$728
Showing 1-10 of 21 resultsSorted by cheapest first
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.
PHL-UVF
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
PHL-LC0
PHL-UVF
What is the cheapest month to book a flight from Philadelphia to Saint Lucia?
Currently, February is the cheapest month in which you can book a flight from Philadelphia to Saint Lucia (average of $708). Flying from Philadelphia to Saint Lucia in September is currently the most expensive (average of $1,070). 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.
How far ahead should I book a flight from Philadelphia to Saint Lucia?
Booking 38 days in advance of your planned departure date is, on average, the best time to get cheap flights from Philadelphia to Saint Lucia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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 September 23, 2026.
Read through reviews of airlines operating flights from Philadelphia to Saint Lucia, such as Delta,Air Canada, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.8
Crew
8.5
Boarding
8.1
Comfort
7.8
Food
7.2
Overall
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Entertainment
7.8
Crew
8.5
Boarding
8.1
Comfort
7.8
Food
7.2
Overall
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Entertainment
7.8
Crew
8.5
Boarding
8.1
Comfort
7.8
Food
7.2
Overall
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Entertainment
7.8
Crew
8.5
Boarding
8.1
Comfort
7.8
Food
7.2
Overall
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
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.
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Alternative routes for Philadelphia to Saint Lucia
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Complete your trip
Complete your trip to Saint Lucia by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Philadelphia to Saint Lucia by cabin class
Find flights from Philadelphia to Saint Lucia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Philadelphia and Saint Lucia flights
Browse other Philadelphia and Saint Lucia flight options. Last updated on September 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Philadelphia to Saint Lucia flights
Consider these flights traveling from Philadelphia to Saint Lucia.
Top 3 airlines flying from Philadelphia to Saint Lucia
Discover the top 3 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 7,457,451 searches. Data last updated September 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$367 | Average$475 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$597 | Average$840 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$708 | Average$948 | FlexibilityNo cancel fee | On-timeN/A |