$250+ Cheap flights from Puerto Rico 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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Puerto Rico to Saint Lucia with Cheapflights
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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 Puerto Rico to Saint Lucia
Cheapest flights from Puerto Rico to Saint LuciaExplore the most affordable flight options available from Puerto Rico to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.
Explore the most affordable flight options available from Puerto Rico to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.
This JetBlue deal was found by Cheapflights users on 1/26. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Expedia deal was found by Cheapflights users on 1/25. 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.
This Expedia deal was found by Cheapflights users on 1/27. 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.
This Orbitz deal was found by Cheapflights users on 1/27. 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.
This Expedia deal was found by Cheapflights users on 1/26. 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.
This Orbitz deal was found by Cheapflights users on 1/27. 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.
Find flight deals from Puerto Rico to Saint Lucia
Keep the following information in mind while searching for Puerto Rico to Saint Lucia flight deals. Data was last updated January 27, 2026.
Round-trip from | $643 (JetBlue) |
|---|---|
One-way from | $250 (JetBlue) |
Cheapflights Fare Finder
Use the filters below to find and compare flights from Puerto Rico to Saint Lucia that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
San JuanCastries
SJU - UVF
SJUUVF
San Juan Luis Munoz Marin Intl
Mon 3/23
3:26 am-2:18 pm
1 stop10h 52m
Castries Hewanorra
Wed 3/25
3:49 pm-2:27 am
1 stop10h 38m
San JuanCastries
SJU - UVF
SJUUVF
San Juan Luis Munoz Marin Intl
Sat 3/28
5:10 am-4:01 pm
1 stop10h 51m
Castries Hewanorra
Sun 4/5
6:52 pm-7:35 pm
2 stops24h 43m
San JuanCastries
SJU - UVF
SJUUVF
San Juan Luis Munoz Marin Intl
Thu 2/26
9:59 pm-4:01 pm
2 stops18h 02m
Castries Hewanorra
Sun 3/1
5:23 pm-12:58 pm
1 stop19h 35m
San JuanCastries
SJU - UVF
SJUUVF
San Juan Luis Munoz Marin Intl
Fri 1/30
7:15 pm-3:20 pm
1 stop20h 05m
Castries Hewanorra
Sun 2/1
5:21 pm-11:48 pm
2 stops30h 27m
San JuanCastries
SJU - UVF
SJUUVF
San Juan Luis Munoz Marin Intl
Fri 1/30
7:15 pm-1:08 pm
2 stops17h 53m
Castries Hewanorra
Sun 2/8
5:21 pm-2:24 am
1 stop33h 03m
San JuanCastries
SJU - UVF
SJUUVF
San Juan Luis Munoz Marin Intl
Tue 3/31
4:00 am-5:46 pm
1 stop13h 46m
San JuanCastries
SJU - UVF
SJUUVF
San Juan Luis Munoz Marin Intl
Thu 4/2
4:00 am-5:46 pm
1 stop13h 46m
San JuanCastries
SJU - UVF
SJUUVF
San Juan Luis Munoz Marin Intl
Fri 4/3
8:20 pm-1:32 pm
1 stop17h 12m
San JuanCastries
SJU - UVF
SJUUVF
San Juan Luis Munoz Marin Intl
Wed 4/1
6:00 am-5:46 pm
1 stop11h 46m
San JuanCastries
SJU - UVF
SJUUVF
San Juan Luis Munoz Marin Intl
Tue 3/24
3:26 am-2:18 pm
1 stop10h 52m
Best time to book a flight from Puerto Rico to Saint Lucia
Have a flexible travel schedule? Discover the best time to fly to Saint Lucia from Puerto Rico with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Puerto Rico to Saint Lucia
How often are flights from Puerto Rico to Saint Lucia delayed?
About 20% of weekly flights between Puerto Rico and Saint Lucia have experienced delays in the past year, with the average delay time being 20 minutes.
What is the most punctual flight time for Puerto Rico to Saint Lucia flights?
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Monday tends to have the lowest number of delays on this route, whereas Tuesday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Puerto Rico to Saint Lucia flights?
Over the last year, Tradewind have had the lowest number of delays on this route, with just 50% of flights being delayed.