Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Philadelphia to Saint Lucia from $167

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Saint Lucia departing on 2/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Philadelphia to Saint Lucia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
3:30 pm - 3:25 pm
PHL
-
UVF
47h 55m
2 stops
Air Canada Logo
4:15 pm - 3:49 pm
UVF
-
PHL
23h 34m
1 stop
$422Air Canada
Mon, Mar 9 - Fri, Mar 13
JetBlue Logo
6:00 am - 4:01 pm
PHL
-
UVF
10h 01m
1 stop
JetBlue Logo
2:55 pm - 11:11 pm
UVF
-
PHL
8h 16m
1 stop
$434JetBlue
Sat, Mar 28 - Sat, Apr 4
Air Canada Logo
3:30 pm - 3:25 pm
PHL
-
UVF
47h 55m
2 stops
Air Canada Logo
4:15 pm - 2:47 pm
UVF
-
PHL
22h 32m
2 stops
$441Air Canada
Mon, Mar 9 - Fri, Mar 13
Air Canada Logo
4:35 pm - 3:25 pm
PHL
-
UVF
21h 50m
1 stop
Air Canada Logo
4:15 pm - 3:49 pm
UVF
-
PHL
23h 34m
1 stop
$459Air Canada
Sat, Mar 7 - Thu, Mar 12
Air Canada Logo
3:30 pm - 4:25 pm
PHL
-
UVF
23h 55m
2 stops
Air Canada Logo
4:15 pm - 3:49 pm
UVF
-
PHL
23h 34m
1 stop
$462Air Canada
Thu, Mar 5 - Thu, Mar 12
Air Canada Logo
3:30 pm - 4:25 pm
PHL
-
UVF
23h 55m
2 stops
Air Canada Logo
4:15 pm - 2:47 pm
UVF
-
PHL
22h 32m
2 stops
$466Air Canada
Thu, Mar 5 - Thu, Mar 12
Air Canada Logo
3:30 pm - 3:25 pm
PHL
-
UVF
47h 55m
2 stops
Air Canada Logo
4:15 pm - 3:49 pm
UVF
-
PHL
23h 34m
1 stop
$472Air Canada
Mon, Mar 9 - Fri, Mar 13
Multiple Airlines Logo
4:35 pm - 3:25 pm
PHL
-
UVF
22h 50m
1 stop
Multiple Airlines Logo
5:30 pm - 9:04 am
UVF
-
PHL
15h 34m
1 stop
$477Multiple Airlines
Tue, Mar 10 - Sat, Mar 14
Air Canada Logo
4:35 pm - 3:25 pm
PHL
-
UVF
22h 50m
1 stop
Air Canada Logo
4:20 pm - 2:46 pm
UVF
-
PHL
22h 26m
2 stops
$479Air Canada
Wed, Mar 25 - Sun, Mar 29
Multiple Airlines Logo
3:30 pm - 3:25 pm
PHL
-
UVF
23h 55m
2 stops
Multiple Airlines Logo
5:30 pm - 9:04 am
UVF
-
PHL
15h 34m
1 stop
$480Multiple Airlines
Tue, Mar 10 - Sat, Mar 14

American Airlines flights from Philadelphia to Saint Lucia

Our best American Airlines deals on Philadelphia to Saint Lucia flight tickets
American Airlines
May 2
PHL10:00 pmPhiladelphia
15h 35m
1 stop
UVF1:35 pmCastries Hewanorra
May 9
UVF2:10 pmCastries Hewanorra
5h 08m
PHL7:18 pmPhiladelphia
$593
American Airlines
Jan 28
PHL8:11 pmPhiladelphia
17h 52m
2 stops
UVF3:03 pmCastries Hewanorra
Feb 1
UVF4:06 pmCastries Hewanorra
8h 34m
1 stop
PHL11:40 pmPhiladelphia
$1,108
American Airlines
Jan 21
PHL5:00 amPhiladelphia
10h 02m
1 stop
UVF4:02 pmCastries Hewanorra
Jan 28
UVF5:02 pmCastries Hewanorra
17h 23m
1 stop
PHL9:25 amPhiladelphia
$1,203

Air Canada flights from Philadelphia to Saint Lucia

Our best Air Canada deals on Philadelphia to Saint Lucia flight tickets
Air Canada
Mar 4
PHL4:35 pmPhiladelphia
22h 50m
1 stop
UVF4:25 pmCastries Hewanorra
Mar 11
UVF4:15 pmCastries Hewanorra
23h 34m
1 stop
PHL3:49 pmPhiladelphia
$409
Air Canada
Mar 4
PHL4:35 pmPhiladelphia
22h 50m
1 stop
UVF4:25 pmCastries Hewanorra
Mar 11
UVF4:15 pmCastries Hewanorra
22h 32m
2 stops
PHL2:47 pmPhiladelphia
$412
Air Canada
Mar 4
PHL3:30 pmPhiladelphia
23h 55m
2 stops
UVF4:25 pmCastries Hewanorra
Mar 11
UVF4:15 pmCastries Hewanorra
22h 32m
2 stops
PHL2:47 pmPhiladelphia
$416

momondo 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, momondo users made 832,500 searches. Data last updated January 20, 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

Price

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Mon 3/9

3:30 pm-3:25 pm

2 stops47h 55m

Castries Hewanorra

Fri 3/13

4:15 pm-3:49 pm

1 stop23h 34m

$422

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Sat 3/28

6:00 am-4:01 pm

1 stop10h 01m

Castries Hewanorra

Sat 4/4

2:55 pm-11:11 pm

1 stop8h 16m

$434

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Mon 3/9

3:30 pm-3:25 pm

2 stops47h 55m

Castries Hewanorra

Fri 3/13

4:15 pm-2:47 pm

2 stops22h 32m

$441

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Sat 3/7

4:35 pm-3:25 pm

1 stop21h 50m

Castries Hewanorra

Thu 3/12

4:15 pm-3:49 pm

1 stop23h 34m

$459

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Thu 3/5

3:30 pm-4:25 pm

2 stops23h 55m

Castries Hewanorra

Thu 3/12

4:15 pm-3:49 pm

1 stop23h 34m

$462

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Thu 3/5

3:30 pm-4:25 pm

2 stops23h 55m

Castries Hewanorra

Thu 3/12

4:15 pm-2:47 pm

2 stops22h 32m

$466

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Mon 3/9

3:30 pm-3:25 pm

2 stops47h 55m

Castries Hewanorra

Fri 3/13

4:15 pm-3:49 pm

1 stop23h 34m

$472

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Tue 3/10

4:35 pm-3:25 pm

1 stop22h 50m

Castries Hewanorra

Sat 3/14

5:30 pm-9:04 am

1 stop15h 34m

$477

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Wed 3/25

4:35 pm-3:25 pm

1 stop22h 50m

Castries Hewanorra

Sun 3/29

4:20 pm-2:46 pm

2 stops22h 26m

$479

PhiladelphiaCastries

PHL - UVF

PHLUVF

Philadelphia

Tue 3/10

3:30 pm-3:25 pm

2 stops23h 55m

Castries Hewanorra

Sat 3/14

5:30 pm-9:04 am

1 stop15h 34m

$480

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Saint Lucia from

How to get the cheapest flight ticket from Philadelphia to Saint Lucia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest Philadelphia to Saint Lucia flight route?

Fly from Philadelphia to Castries Hewanorra for the best Philadelphia - Saint Lucia flight prices

What cabin class options are available on Philadelphia to Saint Lucia flights?

There are 2 cabin classes available to choose from on Philadelphia to Saint Lucia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Philadelphia to Saint Lucia flights?

You could potentially save up to 10% on your flight if you consider stops on a Philadelphia to Saint Lucia flight.

Cheap Philadelphia to Saint Lucia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Saint Lucia

Best Price Found

$593

Fastest flight time

4h 44m

Direct flights

Sun

Airports in Saint Lucia

7 airports
The best flight deal from Philadelphia to Saint Lucia found on momondo in the last 72 hours is $593
The fastest flight from Philadelphia to Saint Lucia takes 4h 44m
Direct flights go from Philadelphia to Saint Lucia on Sunday. There are no airlines offering direct flights.
There are 7 airports in Saint Lucia. From Philadelphia there are direct flights to Castries Hewanorra (UVF).
Search flight deals

  • When did momondo last update prices for flights from Philadelphia Airport to Saint Lucia?

    Prices for flights from Philadelphia Airport to Saint Lucia refresh daily.

  • How many operators does momondo search for flights from Philadelphia Airport to Saint Lucia?

  • How old do you have to be to fly from Philadelphia Airport to Saint Lucia?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Philadelphia Airport to Saint Lucia.

  • What documentation or ID do you need to fly to Saint Lucia?

    The required travel and health documents for your Saint Lucia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Saint Lucia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Philadelphia to Saint Lucia?

Best airlines flying from Philadelphia to Saint Lucia

Compare and see reviews for airlines that fly from Philadelphia to Saint Lucia with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $558Free CancellationRating
7.2
11,164 reviews
Search American Airlines flights
DeltaPriceFrom $642Free CancellationRating
7.9
8,078 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Saint Lucia?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Philadelphia to Saint Lucia for you.

Can I find flights from Philadelphia to Saint Lucia with flexible booking policies on momondo?

All flight searches from Philadelphia to Saint Lucia on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Philadelphia to Saint Lucia?

momondo helps you find the best flight between Philadelphia and Saint Lucia by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Philadelphia to Saint Lucia right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Saint Lucia, momondo offers a useful price alert feature which will track prices for flights to Saint Lucia from Philadelphia and alert you when they change.

An easier way to manage your Saint Lucia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 2/19
Thu 2/26
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Saint Lucia

Popular cities in Saint Lucia

Popular flights according to clicks in the last 7 days on momondo
Flights to Castriesfrom $489