$773+ Cheap flights from Puerto Rico 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 4/17. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — UVF
Jan 11 — Jan 181
1 adult, Economy
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Best flights from Puerto Rico to Saint LuciaDiscover carefully curated flight deals from Puerto Rico to Saint Lucia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.
Discover carefully curated flight deals from Puerto Rico to Saint Lucia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.
This JetBlue deal was found by Cheapflights users on 12/9. 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.
Fri 4/171:59 amSJU - UVF
1 stop12h 33mJetBlue
Wed 4/223:56 pmUVF - SJU
1 stop10h 59mJetBlue
Deal found 12/9![JetBlue logo]()
$773
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 December 12, 2025.
Round-trip from | $773 (JetBlue) |
|---|
Cheapflights Fare Finder
Customize your flight search to find flights from Puerto Rico 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 December 12, 2025.
Use the filters below to find and compare flights from Puerto Rico to Saint Lucia that are best for you.
Fly from
Puerto Rico
Fly to
Saint Lucia
Route
Depart
Return
Price
San JuanCastries
SJU - UVF
SJUUVF
San Juan Luis Munoz Marin Intl
Fri 4/17
1:59 am-2:32 pm
1 stop12h 33m
Castries Hewanorra
Wed 4/22
3:56 pm-2:55 am
1 stop10h 59m
$773
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.
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 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.