Cheap Flights from Dublin to Castries from 537 €

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Flight deals from Dublin to Castries

Looking for a cheap last-minute deal or the best return flight from Dublin to Castries? Find the lowest prices on one-way and return tickets right here.

Castries.537 € per passenger.Departing Mon, 3 Mar, returning Mon, 10 Mar.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Dublin on Mon, 3 Mar, arriving in St Lucia Hewanorra.Inbound indirect flight with British Airways, departs from St Lucia Hewanorra on Mon, 10 Mar, arriving in Dublin.Price includes taxes and charges.From 537 €, select.

Castries.563 € per passenger.Departing Wed, 2 Jul, returning Sun, 6 Jul.Return flight with Aer Lingus and British Airways.Outbound indirect flight with Aer Lingus, departs from Dublin on Wed, 2 Jul, arriving in St Lucia Hewanorra.Inbound indirect flight with British Airways, departs from St Lucia Hewanorra on Sun, 6 Jul, arriving in Dublin.Price includes taxes and charges.From 563 €, select.

Castries.587 € per passenger.Departing Wed, 4 Jun, returning Wed, 2 Jul.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Dublin on Wed, 4 Jun, arriving in St Lucia Hewanorra.Inbound indirect flight with British Airways, departs from St Lucia Hewanorra on Wed, 2 Jul, arriving in Dublin.Price includes taxes and charges.From 587 €, select.

Castries.598 € per passenger.Departing Mon, 18 Aug, returning Mon, 8 Sep.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Dublin on Mon, 18 Aug, arriving in St Lucia Hewanorra.Inbound indirect flight with British Airways, departs from St Lucia Hewanorra on Mon, 8 Sep, arriving in Dublin.Price includes taxes and charges.From 598 €, select.

Castries.630 € per passenger.Departing Thu, 5 Jun, returning Sat, 14 Jun.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Dublin on Thu, 5 Jun, arriving in St Lucia Hewanorra.Inbound indirect flight with British Airways, departs from St Lucia Hewanorra on Sat, 14 Jun, arriving in Dublin.Price includes taxes and charges.From 630 €, select.

Castries.647 € per passenger.Departing Thu, 24 Apr, returning Wed, 30 Apr.Return flight with jetBlue.Outbound indirect flight with jetBlue, departs from Dublin on Thu, 24 Apr, arriving in St Lucia Hewanorra.Inbound indirect flight with jetBlue, departs from St Lucia Hewanorra on Wed, 30 Apr, arriving in Dublin.Price includes taxes and charges.From 647 €, select.

Castries.668 € per passenger.Departing Thu, 11 Sep, returning Tue, 16 Sep.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Dublin on Thu, 11 Sep, arriving in St Lucia Hewanorra.Inbound indirect flight with Air Canada, departs from St Lucia Hewanorra on Tue, 16 Sep, arriving in Dublin.Price includes taxes and charges.From 668 €, select.

Castries.689 € per passenger.Departing Fri, 9 May, returning Sun, 11 May.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Dublin on Fri, 9 May, arriving in St Lucia Hewanorra.Inbound indirect flight with British Airways, departs from St Lucia Hewanorra on Sun, 11 May, arriving in Dublin.Price includes taxes and charges.From 689 €, select.

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 March.

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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.

Dublin to Castries: Flight information

The things to know before you go.

Cheapest flight found	537 €
Cheapest month to fly	March

Finding cheap flights from Dublin to Castries: Frequently asked questions

How many airports are there in Castries?

There are 2 airports in Castries: St Lucia Vigie and St Lucia Hewanorra.

How much are return flights from Dublin to Castries?

The best price we found for a return flight from Dublin to Castries is 537 €. 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.

Which airlines fly direct from Dublin to Castries?

Currently, there are no airlines that fly direct from Dublin to Castries. But we found flights with one or more stops from 537 €.

How many flights are there a week from Dublin to Castries?

As of February 2025, there are no flights flying from Dublin to Castries.

When is the cheapest time to fly from Dublin to Castries?

The cheapest month to fly from Dublin to Castries is usually February 2025.

Which is the cheapest airport to fly into in Castries?

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 537 €.

Which upcoming date is cheapest to fly from Dublin Airport to Castries on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Dublin Airport to Castries on Monday, 3 March 2025.

Can I get a direct flight from Dublin Airport to Castries?

No airlines currently offer direct flights between Dublin Airport and Castries. Most routes have one or more stops.

How can I get the best flight deal from Dublin Airport to Castries?

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.

When is the best time to book flights to Castries?

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.

What’s the weather like in Castries?

In February, the average temperature is usually around 26°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.

Which is the cheapest airline to fly from Dublin Airport to Castries with?

Currently, British Airways offers the cheapest flight tickets to Castries.

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

Dublin Airport is located in Dublin. Based in the UTC-4 timezone, Castries is 4 hours behind Dublin.
For hassle-free travel, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This way, you'll have plenty of time to catch your flight from DUB to Castries.
During popular months like August, you'll want to get to the airport even earlier. Plan to arrive two hours before domestic departures and four hours ahead for an international flight whenever you're travelling during high season in general.
We make it a cinch to plan a flight from DUB to Castries that includes a stopover. To see your options, deselect 'Direct flights only.' Next, pick a flight that has a stop long enough to explore your chosen city. Some popular stopovers include:
- London Gatwick Airport (LGW)
- John F. Kennedy International Airport (JFK)
- London Heathrow Airport (LHR)
If you hold a passport from Ireland and plan to travel to Saint Lucia for tourism purposes, you won't need a visa. However, visa and entry requirements may differ based on the length of your trip and can be subject to change. For the most up-to-date information, contact your destination's nearest embassy or consulate before reserving a cheap ticket from Dublin Airport to Castries.
DUB is about 21 kilometres from central Dublin. If you're ride-sharing, driving or catching a cab from the centre, it'll take you 29 minutes or so to get there, depending on traffic. If you're taking public transport, expect the travel time to be approximately 2 hours and 9 minutes.
Looking for a handy hotel close to DUB? If you're boarding an early flight from Dublin Airport to Castries, these accommodation options will put you moments from your departure gate:

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

The best price we've seen for a one-way ticket from Dublin Airport to Castries is 316 €. The cheapest price for a return flight is 537 €. Bear in mind fares may change due to availability at the time of booking.
To pick up cheap tickets from DUB to Castries, book as early as possible. Airlines usually offer lower prices when flights are first released.
The 'Whole month' search tool shows you the cheapest tickets from Dublin Airport to Castries across every month. It's a great way to find a bargain if your travel plans aren't set in stone.
Finding a cheap ticket from DUB to Castries couldn't be easier with Price Alerts. All you need to do is create one of these automatic alerts and we'll notify you as soon as the price has dropped.
Use the filters to tailor your flights from Dublin Airport to Castries. Simply enter your ideal departure and arrival times, number of stops and airlines. Alternatively, sort your results by 'Cheapest' to get the best deals.

Airports in Castries

Hewanorra Airport (UVF)

Hewanorra Airport (UVF) is around 56 kilometres from central Castries. With a car rental or if you're catching a cab, the drive is about 1 hour and 9 minutes.
Reserve a hotel close to UVF if you're catching a late flight from Dublin Airport to Castries. Settle into one of these accommodation options and avoid the hassle of a long transfer:

George F. L. Charles Airport (SLU)

After your flight from Dublin Airport to Castries has touched down, you can reach the city centre in around 6 minutes by car. Central Castries is roughly 3 kilometres from George F. L. Charles Airport (SLU).
You can also opt for public transport, which typically takes 40 minutes.
Hang up the 'Do not disturb' sign and relax at a hotel close to SLU. Here are a few options where you can take a load off after your flight from DUB to Castries:

Best time to go to Castries

It's time to work out your dates for your flight from Dublin Airport to Castries. July is the most popular month to travel to Castries. If you prefer a quieter atmosphere, go in May.
Book your flight from Dublin Airport to Castries for September to experience the city during its warmest month. Expect temperatures to range from 26ºC to 30ºC.
February sees average temperatures of between 24ºC and 28ºC. Search for cheap flights from DUB to Castries sometime then if you want to travel when it's cooler.

More about Castries

Once you've booked your flight from Dublin Airport to Castries, think about where to rest your head in this city. Make one of these accommodation options your base for exploring Castries:
Derek Walcott Square and Morne Fortune are just the start of the big attractions to add to your Castries to-do list. Keep the adventure rolling by checking out Immaculate Conception Church.

Complete your Castries trip with a car rental

Finding you a cheap flight from Dublin Airport to Castries isn't the only trick up our sleeve. Check out our car rentals in Castries and travel at your own pace. We search for deals from trusted car rental companies and put them all in one place. Instantly compare rates and then book with no fees.