$95 Cheap Flights to Castries

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Flight deals to Castries

Looking for a cheap last-minute deal or the best round-trip flight to Castries? Find the biggest savings on one-way and round-trip tickets right here.

Castries.$280 per passenger.Departing Tue, Apr 7, returning Tue, Apr 14.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Boston Logan International on Tue, Apr 7, arriving in St Lucia Hewanorra.Inbound indirect flight with Delta, departing from St Lucia Hewanorra on Tue, Apr 14, arriving in Boston Logan International.Price includes taxes and charges.From $280, select.

Castries.$280 per passenger.Departing Tue, Mar 31, returning Mon, Apr 6.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Boston Logan International on Tue, Mar 31, arriving in St Lucia Hewanorra.Inbound indirect flight with Delta, departing from St Lucia Hewanorra on Mon, Apr 6, arriving in Boston Logan International.Price includes taxes and charges.From $280, select.

Castries.$285 per passenger.Departing Mon, Mar 16, returning Mon, Mar 23.Round-trip flight with American Airlines.Outbound indirect flight with American Airlines, departing from Boston Logan International on Mon, Mar 16, arriving in St Lucia Hewanorra.Inbound indirect flight with American Airlines, departing from St Lucia Hewanorra on Mon, Mar 23, arriving in Boston Logan International.Price includes taxes and charges.From $285, select.

Castries.$285 per passenger.Departing Tue, Jan 5, returning Tue, Jan 12.Round-trip flight with American Airlines.Outbound indirect flight with American Airlines, departing from Boston Logan International on Tue, Jan 5, arriving in St Lucia Hewanorra.Inbound indirect flight with American Airlines, departing from St Lucia Hewanorra on Tue, Jan 12, arriving in Boston Logan International.Price includes taxes and charges.From $285, select.

Castries.$286 per passenger.Departing Wed, Dec 2, returning Wed, Dec 9.Round-trip flight with American Airlines.Outbound indirect flight with American Airlines, departing from Boston Logan International on Wed, Dec 2, arriving in St Lucia Hewanorra.Inbound indirect flight with American Airlines, departing from St Lucia Hewanorra on Wed, Dec 9, arriving in Boston Logan International.Price includes taxes and charges.From $286, select.

Castries.$323 per passenger.Departing Thu, Feb 26, returning Thu, Mar 5.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Boston Logan International on Thu, Feb 26, arriving in St Lucia Hewanorra.Inbound indirect flight with Delta, departing from St Lucia Hewanorra on Thu, Mar 5, arriving in Boston Logan International.Price includes taxes and charges.From $323, select.

Castries.$333 per passenger.Departing Thu, Aug 20, returning Thu, Aug 27.Round-trip flight with American Airlines.Outbound indirect flight with American Airlines, departing from Hartford Bradley International on Thu, Aug 20, arriving in St Lucia Hewanorra.Inbound indirect flight with American Airlines, departing from St Lucia Hewanorra on Thu, Aug 27, arriving in Hartford Bradley International.Price includes taxes and charges.From $333, select.

Castries.$349 per passenger.Departing Mon, May 4, returning Thu, May 7.Round-trip flight with American Airlines.Outbound indirect flight with American Airlines, departing from Raleigh / Durham on Mon, May 4, arriving in St Lucia Hewanorra.Inbound indirect flight with American Airlines, departing from St Lucia Hewanorra on Thu, May 7, arriving in Raleigh / Durham.Price includes taxes and charges.From $349, select.

Find the cheapest time to fly to Castries

Flexible on travel dates? Find the cheapest month – or even day – to fly to Castries.

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Airports in Castries

Compare routes to Castries below. You may find an airport to fly into that's cheaper, faster, or easier.

St Lucia Vigie

1 mile from central Castries

Closest

from $414

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St Lucia Hewanorra

19 miles from central Castries

Cheapest

from $280

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Direct flights 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.

Which airlines offer direct flights to Castries?

American Airlines, Qatar Airways, jetBlue, KLM, Delta, and United all fly non-stop to Castries.

When is the cheapest time to fly to Castries?

The cheapest month to fly to Castries is usually March.

How can I find the best flight deal 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.

Can I get a direct flight to Castries?

Yes – you can fly direct to St Lucia Hewanorra Airport and the average flight time is 4 hours and 38 minutes.

How much are round-trip flights to Castries?

The best price we found for a round-trip flight to Castries is $280. 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.

What's the cheapest airport in Castries?

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 $280.

Which upcoming date is cheapest to fly to Castries on?

After crunching the numbers on our flight calendar, we found that the cheapest date to fly to Castries is Tuesday, March 31, 2026.

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?

The average temperature in Castries in February is around 78°F. The warmest month in Castries is typically September, which averages 83°F. The coolest month is February, with temperatures averaging 77°F. The rainiest month is October, and it usually rains the least in February.

Which is the cheapest airline to fly with to Castries?

Currently, Delta and jetBlue offer the cheapest flight tickets to Castries.

Flying to Castries

The things to know before you go.

Cheapest flight found	$280
Cheapest month to fly	March
Average flight time	4 hrs, 39 mins
Most popular airline	American Airlines
Average flights per week	66

Discover Castries

How to find cheap flights to Castries

$280 is the cheapest price for a round-trip flight to Castries. For a one-way ticket, the lowest fare is $95.
Catch fare drops as they happen with Price Alerts delivered right to your app or inbox. Just sign up for these automatic notifications and let the best deals find you.
It's generally recommended to book about one month before your planned departure. You're more likely to get the best prices for tickets then.
Widen your search for cheap flights to Castries by clicking the 'Add nearby airports' option. This lets you browse fares for surrounding airports, which could have better deals.
Routes with a connection are often cheaper, so search for flights that include a stop. Once your results show up, select the 'Stops' filter to browse your options.

Best time to go to Castries

Take advantage of the 'Whole month' tool if you're flexible with your dates. Browse fares for an entire month and find a flight that suits your plans and budget.
To experience the city at its liveliest, lock in your flights for June. Traveling during peak seasons typically means there's more to see and do compared to other times of the year.
The quietest month to travel is February. Lock in your plane tickets to Castries then and enjoy the top attractions at a more relaxed pace.
Check the weather before traveling. September brings the warmest days in Castries, averaging between 79ºF and 86ºF.
February is when temperatures hit their lowest, between 75ºF and 82ºF.
February is when you're least likely to need an umbrella. With one day of rainfall on average, this is the driest month in Castries.
August brings the wettest weather. You can expect around 12 days of rainfall.

Flying to Castries: what you need to know

There are a few arrival airports to consider when organizing your Castries flight. Check out your options for flying into George F. L. Charles Airport (SLU) or Hewanorra Airport (UVF).
Most travelers arrive through George F. L. Charles Airport (SLU), the city's busiest airport.
Offering direct flights to Castries, these airlines make getting to your destination a breeze:
When you touch down in Castries, you'll be in the UTC-4 timezone.
After you've booked your tickets, find a stay that's just right for your adventure. Here's a lineup of comfy hotels to put on your short list:

Getting to central Castries from George F. L. Charles Airport (SLU)

SLU, the city's main gateway, is located about 2 miles from central Castries.
After touching down from your flight to Castries, the drive to the center takes around 5 minutes.
Roughly 40 minutes is how long it'll take to get there using public transport.
Be tucked up in bed shortly after your flight to Castries. Choose any of these hotels close to George F. L. Charles Airport and you'll be catching z's in no time:
Get on the fast track to adventure by picking up a car rental at SLU. Rent your wheels from Drive A Matic, Final Rentals or Sixt and explore parts of Castries that most visitors tend to miss.
George F. L. Charles Airport serves Castries and nearby areas in Castries Quarter, Saint Lucia.

Castries highlights

Put these leading sights high on your to-do list after stepping off your flight to Castries:
- Dream Boat Tours: Around 1 mile northeast of the city center, this landmark is the ideal place to start your sightseeing in the city.
- Cruise Piers St. Lucia: This is another good reason to visit this city. A memorable landmark, it's around 0.6 miles north of the center of Castries.

Explore more of Saint Lucia

Saint Lucia has plenty more ways to surprise you. Carry on to Vieux Fort, located around 17 miles south of Castries. Sandy Beach, Anse Des Sables Beach and Maria Islands Nature Reserve have to be on your to-do list.
Another city in Saint Lucia that belongs on your itinerary is Micoud. From Castries, it's roughly 13 miles south and features highlights like Josephine Splash Park and Riverbank Adventure Land. Swing by Ti Rocher Community Park too.
Make room for new adventures in Soufrière. Roughly 11 miles south of Castries, Hike Gros Piton, Soufriere Waterfront and Diamond Falls Botanical Gardens make the trip worthwhile.

Complete your trip with a Castries car rental

Want to rent a car in the city? Choose from a selection of car rentals in Castries and go wherever you want, whenever you want. With one simple search, compare rates and book the best deal after locking in your hotel and cheap flight to Castries.