Cheap flights from Ireland to Saint Lucia from £436
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 14/11. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Ireland to Saint Lucia
Keep the following information in mind while searching for Ireland to Saint Lucia flight deals. Data was last updated 14 October 2025.
Find flight deals from Ireland to Saint Lucia
Cheapest flights from Ireland to Saint LuciaExplore the most affordable flight options available from Ireland to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 October 2025.
Explore the most affordable flight options available from Ireland to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 October 2025.
Cheapflights Fare Finder
Use the filters below to find and compare flights from Ireland to Saint Lucia that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
DublinCastries
DUB - UVF
DUBUVF
Dublin
Mon 17/11
11:30-15:39
2 stops32h 09m
Castries Hewanorra
Mon 24/11
16:59-08:45
2 stops35h 46m
DublinCastries
DUB - UVF
DUBUVF
Dublin
Wed 19/11
11:30-15:39
2 stops32h 09m
Castries Hewanorra
Sun 23/11
16:59-07:45
1 stop34h 46m
DublinCastries
DUB - UVF
DUBUVF
Dublin
Wed 19/11
09:45-15:39
1 stop33h 54m
Castries Hewanorra
Sun 23/11
16:59-07:45
1 stop34h 46m
DublinCastries
DUB - UVF
DUBUVF
Dublin
Fri 14/11
12:05-16:25
2 stops32h 20m
Best time to book a flight from Ireland to Saint Lucia
Have a flexible travel schedule? Discover the best time to fly to Saint Lucia from Ireland with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Ireland to Saint Lucia
Related info for your journey
Find useful and relevant information for your journey from Ireland to Saint Lucia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for Ireland to Saint Lucia
See prices for flight routes from nearby airports that may be better suited for you.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Ireland to Saint Lucia?
Deals for Ireland to Saint Lucia flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Ireland to Saint Lucia?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Saint Lucia from Ireland.
Can Cheapflights find flights from Ireland to Saint Lucia with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from Ireland to Saint Lucia, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from Ireland to Saint Lucia become cheaper?
Yes, Cheapflights offers price alerts on Ireland to Saint Lucia flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.