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Cheap Flights from Edinburgh (EDI) to Castries (SLUA)

Compare Edinburgh to Castries flight deals

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

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Flight deals from Edinburgh to Castries

Looking for a cheap last-minute deal or the best return flight from Edinburgh to Castries? Find the lowest prices on one-way and return tickets right here.
Castries.£633 per passenger.Departing Sun, 12 Apr, returning Thu, 30 Apr.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Edinburgh on Sun, 12 Apr, arriving in St Lucia Hewanorra.Inbound indirect flight with Air Canada, departs from St Lucia Hewanorra on Thu, 30 Apr, arriving in Edinburgh.Price includes taxes and charges.From £633, select.
Castries.£634 per passenger.Departing Mon, 27 Apr, returning Sat, 9 May.Return flight with Ryanair and British Airways.Outbound indirect flight with Ryanair, departs from Edinburgh on Mon, 27 Apr, arriving in St Lucia Hewanorra.Inbound indirect flight with British Airways, departs from St Lucia Hewanorra on Sat, 9 May, arriving in Edinburgh.Price includes taxes and charges.From £634, select.
Castries.£636 per passenger.Departing Mon, 12 Oct, returning Mon, 19 Oct.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Edinburgh on Mon, 12 Oct, arriving in St Lucia Hewanorra.Inbound indirect flight with British Airways, departs from St Lucia Hewanorra on Mon, 19 Oct, arriving in Edinburgh.Price includes taxes and charges.From £636, select.
Castries.£663 per passenger.Departing Sat, 17 Jan, returning Sat, 31 Jan.Return flight with British Airways and interCaribbean Airways.Outbound indirect flight with British Airways, departs from Edinburgh on Sat, 17 Jan, arriving in St Lucia Vigie.Inbound indirect flight with interCaribbean Airways, departs from St Lucia Vigie on Sat, 31 Jan, arriving in Edinburgh.Price includes taxes and charges.From £663, select.
Castries.£672 per passenger.Departing Sun, 22 Nov, returning Mon, 30 Nov.Return flight with Lufthansa and Air Canada.Outbound indirect flight with Lufthansa, departs from Edinburgh on Sun, 22 Nov, arriving in St Lucia Hewanorra.Inbound indirect flight with Air Canada, departs from St Lucia Hewanorra on Mon, 30 Nov, arriving in Edinburgh.Price includes taxes and charges.From £672, select.
Castries.£672 per passenger.Departing Thu, 29 Jan, returning Thu, 5 Feb.Return flight with Lufthansa and Air Canada.Outbound indirect flight with Lufthansa, departs from Edinburgh on Thu, 29 Jan, arriving in St Lucia Hewanorra.Inbound indirect flight with Air Canada, departs from St Lucia Hewanorra on Thu, 5 Feb, arriving in Edinburgh.Price includes taxes and charges.From £672, select.
Castries.£692 per passenger.Departing Mon, 2 Mar, returning Wed, 18 Mar.Return flight with British Airways and interCaribbean Airways.Outbound indirect flight with British Airways, departs from Edinburgh on Mon, 2 Mar, arriving in St Lucia Vigie.Inbound indirect flight with interCaribbean Airways, departs from St Lucia Vigie on Wed, 18 Mar, arriving in Edinburgh.Price includes taxes and charges.From £692, select.
Castries.£759 per passenger.Departing Thu, 14 May, returning Thu, 28 May.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Edinburgh on Thu, 14 May, arriving in St Lucia Hewanorra.Inbound indirect flight with British Airways, departs from St Lucia Hewanorra on Thu, 28 May, arriving in Edinburgh.Price includes taxes and charges.From £759, select.

Find the cheapest month to fly from Edinburgh to Castries

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Edinburgh to Castries flights are currently cheapest in April.
Dec
from £1,987
Jan
from £663
Feb
from £783
Mar
from £692
Apr
from £633
May
from £759
Jun
Find prices
Jul
Find prices
Aug
from £798
Sep
Find prices
Oct
from £636
Nov
from £672

Alternative Edinburgh to Castries routes

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

Edinburgh to Castries: Flight information

The things to know before you go.
Cheapest flight found£633
Cheapest month to flyApril

Finding cheap flights from Edinburgh 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 Edinburgh to Castries is £633. 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 Edinburgh to Castries. But we found flights with one or more stops from £633.
As of December 2025, there are no flights flying from Edinburgh to Castries.
The cheapest month to fly from Edinburgh to Castries is usually April.
If you're flying from Edinburgh Airport, the cheapest airport near Castries is St Lucia Hewanorra – which is 19.0 miles away from the centre of Castries. We've found flights into this airport from £633.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Edinburgh Airport to Castries on Sunday, 12 April 2026.
No airlines currently offer direct flights between Edinburgh 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 December, the average temperature is usually around 27°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, Air Canada offers the cheapest flight tickets to Castries.

Flying from Edinburgh Airport (EDI) to Castries: what you need to know

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

  • For hassle-free travel, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This leaves you with plenty of time to catch your EDI to Castries flight.

  • Longer lines at security and check-in are more likely if you're flying during high season, so give yourself a bit more breathing room. A good rule of thumb for peak periods? Arrive up to four hours early for international flights and two hours for domestic departures.

  • Think about adding a stopover to potentially land a cheaper plane ticket from EDI to Castries. Just uncheck 'Direct flights only' during your search. Break up your journey by stopping at one of these connection hubs:

    • London Heathrow Airport (LHR)

    • John F. Kennedy International Airport (JFK)

    • London Gatwick Airport (LGW)

  • EDI is about 7 miles from central Edinburgh. If you're ride-sharing, driving or catching a cab from the centre, it'll take you 30 minutes or so to get there, depending on the traffic. If you're taking public transport, expect the trip time to be around 40 minutes.

  • Searching for a hotel close to EDI? If you've booked an early flight from Edinburgh Airport to Castries, these stays set you up for a seamless send-off:

  • When it comes to Edinburgh Airport's on-time performance, data shows 67.94% of flights meet their scheduled arrival time.

How to find the cheapest flights from Edinburgh Airport (EDI) to Castries

  • £488 is currently the lowest price for a one-way Edinburgh Airport to Castries flight. A return plane ticket starts at £633. These prices can change based on demand.

  • Booking in advance is often the key to locking in a cheap flight from EDI to Castries. Fares tend to rise as demand increases, so the nearer your departure date, the more you'll likely spend.

  • Finding cheap tickets from Edinburgh Airport to Castries is easier if you're flexible with your travel plans. Try using the 'Whole month' tool to access the best prices across the month and land a fantastic deal.

  • Spend less time searching for cheap flights from EDI to Castries by setting up a Price Alert. We'll send you an email or notification through the app when a special offer becomes available.

  • Save money on your flight from Edinburgh Airport to Castries with the help of our filters. Choose your ideal times, number of stops and airlines, then sort the results by 'Cheapest' to see the best deals.

Airports in Castries

George F. L. Charles Airport (SLU)

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

  • If you're using public transport, expect a journey time of about 40 minutes.

  • The last thing you need is a long journey to your hotel if you're landing late on a flight from Edinburgh Airport to Castries. Reserve one of these accommodation options near SLU instead:

  • Pick up 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 popular providers to choose from here.

  • Reserving your vehicle from George F. L. Charles Airport about one week in advance of your flight from EDI to Castries can help you get the best possible rate.

Hewanorra Airport (UVF)

  • After your flight from Edinburgh Airport to Castries has hit the tarmac, you can make your way to the city centre in about 1 hour 10 minutes by car. Central Castries is roughly 35 miles from Hewanorra Airport (UVF).

  • Hang up the 'Do not disturb' sign and rest at a hotel near UVF. Here are a few options where you can put your feet up after your EDI to Castries flight:

  • The quickest way to reach your destination is with a Hewanorra Airport rental car. Collect a set of wheels from Drive A Matic, Sixt or Final Rentals and be off and running.

  • Avoid paying more than you need to. Securing your ride one week before your arrival at UVF can help you lock in a better rate.

Best time to go to Castries

  • Travel to Castries during high season if you prefer a lively atmosphere, but remember that hotel prices are usually higher. Alternatively, book flights from Edinburgh Airport to Castries during the off-season when prices are cheaper and it's less crowded.

  • When booking your Edinburgh Airport to Castries plane ticket, think about what kind of weather works for you. September is the warmest month in Castries, with temperatures ranging from 26ºC (79ºF) to 30ºC (86ºF).

  • If you want to travel in cooler conditions, look for a cheap ticket from EDI to Castries in February when temperatures average between 24ºC (75ºF) and 28ºC (82ºF).

More about Castries

  • Once you've booked your flight from Edinburgh Airport to Castries, find a hotel that offers the right mix of comfort and location. Make one of these accommodation options your base for exploring Castries:

  • There are so many things to see and do in this city it can be tricky to work out where to begin. Morne Fortune, Derek Walcott Square and Immaculate Conception Church are top sights which should feature on any well-planned Castries itinerary.

More travel options

Plan the rest of your trip from Edinburgh to Castries

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