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$484 Flights from Dublin (DUB) to Castries (SLUA)

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Find the cheapest month or even day of the year to fly to Castries

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Flight deals from Dublin to Castries

Looking for a cheap last-minute deal or the best round-trip flight from Dublin Airport to Castries? If you want to travel next month, round-trip fares start from $830. Find the lowest prices on one-way and round-trip tickets right here.
Castries.$484 per passenger.Departing Tue, Jun 2.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departing from Dublin on Tue, Jun 2, arriving in St Lucia Hewanorra.Price includes taxes and charges.From $484, select.
Castries.$494 per passenger.Departing Sat, Aug 22.One-way flight with WestJet.Outbound indirect flight with WestJet, departing from Dublin on Sat, Aug 22, arriving in St Lucia Hewanorra.Price includes taxes and charges.From $494, select.
Castries.$505 per passenger.Departing Wed, May 6.One-way flight with WestJet.Outbound indirect flight with WestJet, departing from Dublin on Wed, May 6, arriving in St Lucia Hewanorra.Price includes taxes and charges.From $505, select.
Castries.$540 per passenger.Departing Wed, Jul 22.One-way flight with WestJet.Outbound indirect flight with WestJet, departing from Dublin on Wed, Jul 22, arriving in St Lucia Hewanorra.Price includes taxes and charges.From $540, select.
Castries.$589 per passenger.Departing Wed, Nov 18.One-way flight with British Airways.Outbound indirect flight with British Airways, departing from Dublin on Wed, Nov 18, arriving in St Lucia Hewanorra.Price includes taxes and charges.From $589, select.
Castries.$594 per passenger.Departing Wed, Oct 7.One-way flight with British Airways.Outbound indirect flight with British Airways, departing from Dublin on Wed, Oct 7, arriving in St Lucia Hewanorra.Price includes taxes and charges.From $594, select.
Castries.$854 per passenger.Departing Sun, Dec 27.One-way flight with Aer Lingus.Outbound indirect flight with Aer Lingus, departing from Dublin on Sun, Dec 27, arriving in St Lucia Hewanorra.Price includes taxes and charges.From $854, select.

Find the cheapest month to fly from Dublin to Castries from $484 one-way

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Dublin to Castries flights are currently cheapest in June.
May
from $505
Jun
from $484
Jul
from $540
Aug
from $494
Sep
Find prices
Oct
from $594
Nov
from $589
Dec
from $854
Jan
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Feb
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Mar
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Apr
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Alternative Dublin to Castries routes

Looking for the cheapest, fastest or easiest route from Dublin to Castries? You could fly into the following airports instead.

St Lucia Vigie

1 mile from central Castries
Closest
from $563
Search flights

St Lucia Hewanorra

19 miles from central Castries
Cheapest
from $484
Search flights

Dublin to Castries: Flight information

The things to know before you go.
Cheapest flight found$484
Cheapest month to flyJune

Finding cheap flights from Dublin to Castries: Frequently asked questions

There are 2 airports in Castries: St Lucia Vigie and St Lucia Hewanorra.
The best price we found for a round-trip flight from Dublin to Castries is $801. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Dublin to Castries. But we found flights with one or more stops from $801.
There are no flights flying from Dublin to Castries, as of May 2026.
The cheapest month to fly from Dublin to Castries is usually November.
If you're flying from Dublin Airport, the cheapest airport near Castries is St Lucia Hewanorra – which is 19.0 miles away from the center of Castries. We've found flights to this airport from $801.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Dublin Airport to Castries on Saturday, November 21, 2026.
No airlines currently offer direct flights between Dublin Airport and Castries. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Castries but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Castries is around 40 days in advance, so don’t leave your flight to the last minute.
In May, the average temperature is usually around 81°F. September is typically the warmest month in Castries, when it usually averages around 83°F. You can expect the least rain in February. The coldest month is February, with temperatures averaging 77°F. The rainiest month is October.
Currently, British Airways offers the cheapest flight tickets to Castries.

Flying from Dublin Airport (DUB) to Castries: what you need to know

  • Castries is four hours behind Dublin, where Dublin Airport is located. Castries follows the UTC-4 timezone.

  • For a relaxed start to your DUB to Castries flight, allow plenty of time to navigate the airport and find your gate. Arriving two hours ahead of international departures and an hour before domestic flights is the general rule.

  • Traveling during a peak time like public or school holidays? Expect longer queues at security and check-in. To give yourself peace of mind, arrive up to four hours before international flights and two hours ahead of domestic departures.

  • A stopover is the perfect opportunity to break up your journey and perhaps even tick off a new city. When browsing for plane tickets from DUB to Castries, deselect the 'Direct flights only' box to see where you can visit along the way. Some popular options include:

    • London Heathrow Airport (LHR)

    • John F. Kennedy International Airport (JFK)

    • London Gatwick Airport (LGW)

  • The journey from central Dublin to DUB takes about 2 hours 10 minutes on public transport. If you drive, ride-share or take a cab, you'll cover the 5 miles in 30 minutes or so, depending on traffic.

  • Looking for a hotel close to DUB? If you've booked an early flight from Dublin Airport to Castries, these stays will put you moments from your departure gate:

  • When it comes to the on-time performance of Dublin Airport, 72.87% of flights arrive within the expected time frame.

How to find the cheapest flights from Dublin Airport (DUB) to Castries

  • $484 is currently the lowest price for a one-way Dublin Airport to Castries flight. A return plane ticket starts at $801. These prices can change based on availability and demand.

  • To pick up cheap flights from DUB to Castries, book in advance. Airlines typically offer the most competitive fares when tickets first go on sale.

  • Landing cheap tickets from Dublin Airport to Castries is easier if you can be flexible with your travel dates. Use the 'Whole month' search function to access the best prices throughout the month and pick up a fantastic deal.

  • You don't need to keep checking in to find out if fares have dropped when you create a Price Alert. We'll notify you when there's an extra saving on cheap flights from DUB to Castries.

  • Pick your preferred departure and arrival times, airlines and number of stops with our filters. Then, sort the results for your flight from Dublin Airport to Castries by 'Best,' 'Fastest' or 'Cheapest.'

Airports in Castries

George F. L. Charles Airport (SLU)

  • George F. L. Charles Airport (SLU) to the center of Castries takes about 5 minutes by car. The center is roughly 2 miles away.

  • Getting there on public transport takes about 40 minutes.

  • If you have a late flight from Dublin Airport to Castries, nothing beats the convenience of staying close to the terminal. Grab your luggage from the carousel and then be showered and snoozing not long after at one of these accommodation options near SLU:

  • Grab a George F. L. Charles Airport rental car and discover Castries and beyond with your own set of wheels. Drive A Matic, Final Rentals and Sixt are leading providers you can book with here.

  • To lock in the lowest price, book your vehicle from George F. L. Charles Airport about one week in advance of your flight from DUB to Castries.

Hewanorra Airport (UVF)

  • After your flight from Dublin Airport to Castries has arrived, you can get to the city center in around 1 hour 10 minutes by car. Central Castries is roughly 35 miles from Hewanorra Airport (UVF).

  • You'll find some great places to call home for the night near UVF. Unwind and get cozy after your DUB to Castries flight at one of these perfectly located options:

  • Drive A Matic, Sixt and Final Rentals make collecting a Hewanorra Airport rental car easy and quick. These reliable suppliers are located in or around the terminal and will have you behind the wheel before you know it.

  • Get the lowest price by booking your ride from UVF one week ahead of time. You'll also have access to a bigger selection of vehicles.

Best time to go to Castries

  • Visit Castries during high season if you like a bustling atmosphere, but remember that hotel prices are usually higher. Alternatively, book your flights from Dublin Airport to Castries in the off-season when prices are cheaper and it's less crowded.

  • Before locking in your Dublin Airport to Castries plane ticket, think about what kind of weather you prefer. September is the warmest month in Castries, with temperatures ranging from 79ºF to 86ºF.

  • February has average temperatures of between 75ºF and 82ºF. Search for a cheap ticket from DUB to Castries around that time if you like cooler conditions.

More about Castries

  • After booking your flight from Dublin Airport to Castries, choose a hotel that combines comfort with a great location. Make one of these accommodation options your base for exploring Castries:

  • All great vacations should include some sightseeing. Morne Fortune, Derek Walcott Square and Immaculate Conception Church are attractions you won't want to skip in Castries.

Plan the rest of your trip from Dublin to Castries

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.