$137+ 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — UVF
Sep 8 — Sep 151
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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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 August 9, 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 August 9, 2026.
This Air Canada deal was found by Cheapflights users on 8/7. 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 10/255:05 pm -
1 stop22h 35m
Fri 10/304:40 pm -
1 stop23h 41m
Deal found 8/7![Air Canada logo]()
$372
This Air Canada deal was found by Cheapflights users on 8/4. 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.
Wed 10/213:25 pm -
2 stops46h 50m
Sun 10/254:40 pm -
1 stop30h 16m
Deal found 8/4![Air Canada logo]()
$403
This Air Canada deal was found by Cheapflights users on 8/6. 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.
Wed 11/45:05 pm -
1 stop22h 35m
Mon 11/95:40 pm -
1 stop23h 41m
Deal found 8/6![Air Canada logo]()
$407
This Gotogate deal was found by Cheapflights users on 8/7. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/67:00 am -
2 stops12h 00m
Fri 9/1112:35 pm -
2 stops21h 36m
Deal found 8/7![Multiple Airlines logo]()
$733
This Gotogate deal was found by Cheapflights users on 8/8. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:00 am -
2 stops12h 00m
Thu 9/103:45 pm -
2 stops55h 01m
Deal found 8/8![Multiple Airlines logo]()
$765
This Expedia deal was found by Cheapflights users on 8/4. 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.
Sat 10/247:00 am -
2 stops12h 00m
Sat 10/3112:35 pm -
2 stops28h 46m
Deal found 8/4![Multiple Airlines logo]()
$787
This FlightHub deal was found by Cheapflights users on 8/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3010:50 am -
2 stops32h 10m
Sun 10/412:35 pm -
2 stops21h 19m
Deal found 8/5![Multiple Airlines logo]()
$811
This Expedia deal was found by Cheapflights users on 8/5. 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.
Fri 9/257:00 am -
2 stops32h 15m
Mon 9/2812:35 pm -
2 stops27h 06m
Deal found 8/5![Multiple Airlines logo]()
$826
This Gotogate deal was found by Cheapflights users on 8/4. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:00 am -
2 stops12h 00m
Fri 9/1112:35 pm -
2 stops21h 36m
Deal found 8/4![Multiple Airlines logo]()
$932
This Gotogate deal was found by Cheapflights users on 8/4. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/47:00 am -
2 stops12h 00m
Sun 10/1112:35 pm -
2 stops21h 19m
Deal found 8/4![Multiple Airlines logo]()
$1,027
This Mytrip deal was found by Cheapflights users on 8/6. 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.
Thu 11/55:05 pm -
2 stops24h 55m
Sun 11/86:55 pm -
2 stops22h 26m
Deal found 8/6![Multiple Airlines logo]()
$1,034
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 August 9, 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 August 9, 2026.
This Orbitz deal was found by Cheapflights users on 8/6. 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.
Sun 12/65:05 pm -
1 stop22h 35m
Fri 12/115:40 pm -
1 stop23h 41m
Deal found 8/6![Air Canada logo]()
$574
This Gotogate deal was found by Cheapflights users on 8/7. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/67:00 am -
2 stops12h 00m
Fri 9/1112:35 pm -
2 stops21h 36m
Deal found 8/7![Multiple Airlines logo]()
$733
This Delta deal was found by Cheapflights users on 8/5. 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 1/15:30 am -
1 stop8h 45m
Thu 1/74:25 pm -
1 stop9h 26m
Deal found 8/5![Delta logo]()
$748
This American Airlines deal was found by Cheapflights users on 8/8. 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 12/305:00 am -
1 stop9h 53m
Sat 1/92:56 pm -
1 stop9h 30m
Deal found 8/8![American Airlines logo]()
$814
This United Airlines deal was found by Cheapflights users on 8/6. 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.
Wed 12/307:40 pm -
2 stops17h 35m
Sat 1/95:17 pm -
2 stops20h 08m
Deal found 8/6![United Airlines logo]()
$894
This Delta deal was found by Cheapflights users on 8/8. 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 1/26:35 am -
1 stop7h 40m
Thu 1/74:25 pm -
1 stop9h 26m
Deal found 8/8![Delta logo]()
$748
This Justfly.com deal was found by Cheapflights users on 8/4. 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.
Wed 9/3010:50 am -
2 stops32h 10m
Sun 10/412:35 pm -
2 stops21h 19m
Deal found 8/4![Multiple Airlines logo]()
$756
This Delta deal was found by Cheapflights users on 8/4. 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 2/15:30 am -
1 stop8h 35m
Sun 2/74:25 pm -
1 stop18h 02m
Deal found 8/4![Delta logo]()
$748
This Gotogate deal was found by Cheapflights users on 8/8. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:00 am -
2 stops12h 00m
Thu 9/103:45 pm -
2 stops55h 01m
Deal found 8/8![Multiple Airlines logo]()
$765
This Delta deal was found by Cheapflights users on 8/8. 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
Sun 1/104:25 pm -
1 stop9h 26m
Deal found 8/8![Delta logo]()
$788
This Expedia deal was found by Cheapflights users on 8/5. 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.
Fri 9/257:00 am -
2 stops32h 15m
Mon 9/2812:35 pm -
2 stops27h 06m
Deal found 8/5![Multiple Airlines logo]()
$826
This Delta deal was found by Cheapflights users on 8/4. 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 1/155:30 am -
1 stop8h 35m
Sat 1/234:25 pm -
1 stop9h 26m
Deal found 8/4![Delta logo]()
$788
This Delta deal was found by Cheapflights users on 8/4. 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 1/315:30 am -
1 stop8h 35m
Sat 2/64:25 pm -
1 stop18h 02m
Deal found 8/4![Delta logo]()
$856
This Gotogate deal was found by Cheapflights users on 8/4. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/47:00 am -
2 stops12h 00m
Sun 10/1112:35 pm -
2 stops21h 19m
Deal found 8/4![Multiple Airlines logo]()
$1,027
This Delta deal was found by Cheapflights users on 8/4. 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 2/15:30 am -
1 stop8h 35m
Fri 2/54:25 pm -
1 stop9h 26m
Deal found 8/4![Delta logo]()
$914
This Delta deal was found by Cheapflights users on 8/6. 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 10/76:35 am -
1 stop7h 37m
Sun 10/113:32 pm -
1 stop9h 24m
Deal found 8/6![Delta logo]()
$939
This Mytrip deal was found by Cheapflights users on 8/4. 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.
Fri 9/47:00 am -
2 stops12h 00m
Fri 9/113:45 pm -
3 stops18h 26m
Deal found 8/4![Multiple Airlines logo]()
$1,215
Last-minute flights from Philadelphia to Saint LuciaDiscover last-minute flight deals from Philadelphia to Saint Lucia. Data last updated August 9, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Saint Lucia. Data last updated August 9, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/6. 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 9/46:00 am -
1 stop8h 19m
Mon 9/73:19 pm -
1 stop16h 21m
Deal found 8/6![American Airlines logo]()
$788
This Gotogate deal was found by Cheapflights users on 8/4. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:00 am -
2 stops12h 00m
Fri 9/1112:35 pm -
2 stops21h 36m
Deal found 8/4![Multiple Airlines logo]()
$932
This Gotogate deal was found by Cheapflights users on 8/8. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:00 am -
2 stops12h 00m
Thu 9/103:45 pm -
2 stops55h 01m
Deal found 8/8![Multiple Airlines logo]()
$765
This American Airlines deal was found by Cheapflights users on 8/6. 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 9/69:50 pm -
1 stop17h 22m
Fri 9/113:02 pm -
1 stop18h 34m
Deal found 8/6![American Airlines logo]()
$688
This Gotogate deal was found by Cheapflights users on 8/7. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/67:00 am -
2 stops12h 00m
Fri 9/1112:35 pm -
2 stops21h 36m
Deal found 8/7![Multiple Airlines logo]()
$733
This American Airlines deal was found by Cheapflights users on 8/4. 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 9/186:00 am -
1 stop8h 02m
Fri 9/253:02 pm -
1 stop9h 54m
Deal found 8/4![American Airlines logo]()
$748
This American Airlines deal was found by Cheapflights users on 8/5. 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 9/206:00 am -
1 stop8h 02m
Sun 9/273:02 pm -
1 stop18h 34m
Deal found 8/5![American Airlines logo]()
$814
This American Airlines deal was found by Cheapflights users on 8/5. 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 9/2510:20 pm -
2 stops15h 42m
Mon 9/283:02 pm -
1 stop9h 54m
Deal found 8/5![American Airlines logo]()
$793
This Expedia deal was found by Cheapflights users on 8/5. 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.
Fri 9/257:00 am -
2 stops32h 15m
Mon 9/2812:35 pm -
2 stops27h 06m
Deal found 8/5![Multiple Airlines logo]()
$826
This FlightHub deal was found by Cheapflights users on 8/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3010:50 am -
2 stops32h 10m
Sun 10/412:35 pm -
2 stops21h 19m
Deal found 8/5![Multiple Airlines logo]()
$811
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 August 9, 2026.
Search for one-way flight options from Philadelphia to Saint Lucia. Find affordable one-way fares based on user searches. Data last updated August 9, 2026.
This Travelocity deal was found by Cheapflights users on 8/7. 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 10/710:05 am -
2 stops52h 10m
Deal found 8/7![Air Canada logo]()
$137
This Air Canada deal was found by Cheapflights users on 8/7. 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 10/810:35 am -
1 stop27h 40m
Deal found 8/7![Air Canada logo]()
$150
This Air Canada deal was found by Cheapflights users on 8/7. 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.
Wed 9/910:05 am -
2 stops52h 10m
Deal found 8/7![Air Canada logo]()
$154
This Expedia deal was found by Cheapflights users on 8/6. 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.
Thu 11/59:15 am -
1 stop30h 25m
Deal found 8/6![Air Canada logo]()
$173
This Orbitz deal was found by Cheapflights users on 8/4. 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.
Wed 11/45:05 pm -
1 stop22h 35m
Deal found 8/4![Air Canada logo]()
$195
This Orbitz deal was found by Cheapflights users on 8/4. 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.
Sat 12/123:20 pm -
2 stops48h 20m
Deal found 8/4![Air Canada logo]()
$199
This Air Canada deal was found by Cheapflights users on 8/4. 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 11/33:20 pm -
2 stops48h 20m
Deal found 8/4![Air Canada logo]()
$204
This Air Canada deal was found by Cheapflights users on 8/4. 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 10/110:35 am -
1 stop27h 40m
Deal found 8/4![Air Canada logo]()
$259
This Air Canada deal was found by Cheapflights users on 8/5. 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 9/310:05 am -
2 stops28h 15m
Deal found 8/5![Air Canada logo]()
$263
This Travelocity deal was found by Cheapflights users on 8/5. 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.
Sun 10/1110:35 am -
2 stops49h 30m
Deal found 8/5![Multiple Airlines logo]()
$350
This Orbitz deal was found by Cheapflights users on 8/8. 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.
Fri 12/255:05 pm -
3 stops44h 25m
Deal found 8/8![Multiple Airlines logo]()
$959
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 August 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $372 (Air Canada) |
One-way from | $137 (Travelocity) |
Good round-trip deal | $753 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 2,558,603 searches. Data last updated August 9, 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
Sun 12/6
5:05 pm-4:40 pm
1 stop22h 35m
Castries Hewanorra
Fri 12/11
5:40 pm-4:21 pm
1 stop23h 41m
$574
PhiladelphiaCastries
PHL Philadelphia - SLU Castries George F. L. Charle
PHLSLU
Philadelphia
Sun 9/6
7:00 am-7:00 pm
2 stops12h 00m
Castries George F. L. Charle
Fri 9/11
12:35 pm-10:11 am
2 stops21h 36m
$733
PhiladelphiaCastries
PHL Philadelphia - UVF Castries Hewanorra
PHLUVF
Philadelphia
Fri 1/1
5:30 am-3:15 pm
1 stop8h 45m
Castries Hewanorra
Thu 1/7
4:25 pm-12:51 am
1 stop9h 26m
$748
PhiladelphiaCastries
PHL Philadelphia - UVF Castries Hewanorra
PHLUVF
Philadelphia
Sat 1/2
6:35 am-3:15 pm
1 stop7h 40m
Castries Hewanorra
Thu 1/7
4:25 pm-12:51 am
1 stop9h 26m
$748
PhiladelphiaCastries
PHL Philadelphia - UVF Castries Hewanorra
PHLUVF
Philadelphia
Mon 2/1
5:30 am-3:05 pm
1 stop8h 35m
Castries Hewanorra
Sun 2/7
4:25 pm-9:27 am
1 stop18h 02m
$748
PhiladelphiaCastries
PHL Philadelphia - SLU Castries George F. L. Charle
PHLSLU
Philadelphia
Wed 9/30
10:50 am-7:00 pm
2 stops32h 10m
Castries George F. L. Charle
Sun 10/4
12:35 pm-9:54 am
2 stops21h 19m
$756
PhiladelphiaCastries
PHL Philadelphia - SLU Castries George F. L. Charle
PHLSLU
Philadelphia
Sat 9/5
7:00 am-7:00 pm
2 stops12h 00m
Castries George F. L. Charle
Thu 9/10
3:45 pm-10:46 pm
2 stops55h 01m
$765
Quickest round-trip
PhiladelphiaCastries
PHL Philadelphia - UVF Castries Hewanorra
PHLUVF
Philadelphia
Thu 1/7
6:35 am-3:05 pm
1 stop7h 30m
Castries Hewanorra
Sun 1/10
4:25 pm-12:51 am
1 stop9h 26m
$788
PhiladelphiaCastries
PHL Philadelphia - UVF Castries Hewanorra
PHLUVF
Philadelphia
Fri 1/15
5:30 am-3:05 pm
1 stop8h 35m
Castries Hewanorra
Sat 1/23
4:25 pm-12:51 am
1 stop9h 26m
$788
PhiladelphiaCastries
PHL Philadelphia - UVF Castries Hewanorra
PHLUVF
Philadelphia
Wed 12/30
5:00 am-3:53 pm
1 stop9h 53m
Castries Hewanorra
Sat 1/9
2:56 pm-11:26 pm
1 stop9h 30m
$814
Showing 1-10 of 28 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
PHL-SLU
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
PHL-SLU
What is the cheapest month to book a flight from Philadelphia to Saint Lucia?
Currently, March is the cheapest month in which you can book a flight from Philadelphia to Saint Lucia (average of $747). 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.
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 August 9, 2026.
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.
How far ahead should I book a flight from Philadelphia to Saint Lucia?
Booking 37 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 August 9, 2026.
Read through reviews of airlines operating flights from Philadelphia to Saint Lucia, such as Delta,American Airlines, andAir Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.8
Comfort
7.8
Food
7.2
Entertainment
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.8
Comfort
7.8
Food
7.2
Entertainment
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.8
Comfort
7.8
Food
7.2
Entertainment
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.8
Comfort
7.8
Food
7.2
Entertainment
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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 August 9, 2026.
Popular flight searches
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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 2,558,603 searches. Data last updated August 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$367 | Average$475 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$613 | Average$834 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$728 | Average$923 | FlexibilityNo cancel fee | On-timeN/A |