Cheap Flights from Dublin to Castries

Compare Dublin to Castries flight deals

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

Book the best Castries fare with no extra fees

Find the cheapest month to fly from Dublin to Castries

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 October.

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.

Dublin to Castries: Flight information

The things to know before you go.
Cheapest flight foundRs126,460
Cheapest month to flyOctober

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 return flight from Dublin to Castries is Rs196,725. 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 Rs196,725.
As of June 2025, there are no flights flying from Dublin to Castries.
The cheapest month to fly from Dublin to Castries is usually June 2025.
If you're flying from Dublin Airport, the cheapest airport near Castries is St Lucia Hewanorra – which is 30.5 km away from the centre of Castries. We've found flights into this airport from Rs196,725.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Dublin Airport to Castries on Sunday, 19 April 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 June, the average temperature is usually around 28°C. September is typically the warmest month in Castries, when it usually averages around 28°C. You can expect the least rain in February. The coldest month is February, with temperatures averaging 25°C. 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.

  • Travelling 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 flight 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 8 kilometres 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

  • Rs126,867 is currently the lowest price for a one-way Dublin Airport to Castries flight. A return flight ticket starts at Rs196,725. 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 centre of Castries takes about 5 minutes by car. The centre is roughly 3 kilometres 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 centre in around 1 hour 10 minutes by car. Central Castries is roughly 56 kilometres from Hewanorra Airport (UVF).

  • You'll find some great places to call home for the night near UVF. Unwind and get cosy 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 flight ticket, think about what kind of weather you prefer. September is the warmest month in Castries, with temperatures ranging from 26ºC to 30ºC.

  • February has average temperatures of between 24ºC and 28ºC. 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 holidays should include some sightseeing. Morne Fortune, Derek Walcott Square and Immaculate Conception Church are attractions you won't want to skip in Castries.

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