$834 Cheap Flights from Miami to Castries in 2025

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Flight deals from Miami to Castries

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

Castries.$839 per passenger.Departing Thu, 21 Aug, returning Thu, 28 Aug.Return flight with Delta.Outbound indirect flight with Delta, departs from Miami International on Thu, 21 Aug, arriving in St Lucia Hewanorra.Inbound indirect flight with Delta, departs from St Lucia Hewanorra on Thu, 28 Aug, arriving in Miami International.Price includes taxes and charges.From $839, select.

Castries.$866 per passenger.Departing Tue, 8 Apr, returning Tue, 15 Apr.Return flight with American Airlines.Outbound direct flight with American Airlines departs from Miami International on Tue, 8 Apr, arriving in St Lucia Hewanorra.Inbound direct flight with American Airlines departs from St Lucia Hewanorra on Tue, 15 Apr, arriving in Miami International.Price includes taxes and charges.From $866, select.

Castries.$889 per passenger.Departing Wed, 14 May, returning Tue, 20 May.Return flight with Delta.Outbound indirect flight with Delta, departs from Miami International on Wed, 14 May, arriving in St Lucia Hewanorra.Inbound indirect flight with Delta, departs from St Lucia Hewanorra on Tue, 20 May, arriving in Miami International.Price includes taxes and charges.From $889, select.

Castries.$895 per passenger.Departing Fri, 28 Mar, returning Tue, 1 Apr.Return flight with Delta.Outbound indirect flight with Delta, departs from Miami International on Fri, 28 Mar, arriving in St Lucia Hewanorra.Inbound indirect flight with Delta, departs from St Lucia Hewanorra on Tue, 1 Apr, arriving in Miami International.Price includes taxes and charges.From $895, select.

Castries.$928 per passenger.Departing Fri, 19 Sep, returning Thu, 25 Sep.Return flight with Delta.Outbound indirect flight with Delta, departs from Miami International on Fri, 19 Sep, arriving in St Lucia Hewanorra.Inbound indirect flight with Delta, departs from St Lucia Hewanorra on Thu, 25 Sep, arriving in Miami International.Price includes taxes and charges.From $928, select.

Castries.$953 per passenger.Departing Thu, 20 Mar, returning Tue, 25 Mar.Return flight with Delta.Outbound indirect flight with Delta, departs from Miami International on Thu, 20 Mar, arriving in St Lucia Hewanorra.Inbound indirect flight with Delta, departs from St Lucia Hewanorra on Tue, 25 Mar, arriving in Miami International.Price includes taxes and charges.From $953, select.

Castries.$953 per passenger.Departing Sun, 28 Sep, returning Thu, 16 Oct.Return flight with American Airlines.Outbound direct flight with American Airlines departs from Miami International on Sun, 28 Sep, arriving in St Lucia Hewanorra.Inbound direct flight with American Airlines departs from St Lucia Hewanorra on Thu, 16 Oct, arriving in Miami International.Price includes taxes and charges.From $953, select.

Castries.$964 per passenger.Departing Sun, 26 Oct, returning Thu, 30 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from Miami International on Sun, 26 Oct, arriving in St Lucia Hewanorra.Inbound indirect flight with Delta, departs from St Lucia Hewanorra on Thu, 30 Oct, arriving in Miami International.Price includes taxes and charges.From $964, select.

Find the cheapest month to fly from Miami to Castries

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Miami to Castries flights are currently cheapest in August.

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Direct flights from Miami to Castries

Alternative Miami to Castries routes

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

Miami to Castries: Flight information

The things to know before you go.

Cheapest flight found	$834
Cheapest month to fly	August
Average flight time	3 hrs, 37 mins
Most popular airline	Qatar Airways
Average flights per week	26

Finding cheap flights from Miami 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 Miami to Castries?

The best price we found for a return flight from Miami to Castries is $834. 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.

How long does it take to fly from Miami to Castries?

3 hours and 37 minutes is the average flight time from Miami to Castries.

Which airlines fly direct from Miami to Castries?

Qatar Airways and American Airlines fly direct from Miami to Castries.

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

As of February 2025, there are 26 flights per week flying from Miami to Castries.

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

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

Which is the cheapest airport to fly into in Castries?

If you're flying from Miami, 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 $834.

Which upcoming date is cheapest to fly from Miami to Castries on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Miami to Castries on Thursday, 21 August 2025.

Can I get a direct flight from Miami to Castries?

Yes – the average flight time is 3 hours and 37 minutes.

How can I get the best flight deal from Miami 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 Miami to Castries with?

The cheapest airline that flies to Castries is Delta. And the cheapest airline that flies to St Lucia Hewanorra Airport is American Airlines.

How to find cheap flights to Castries from Miami

Looking for cheap tickets from Miami to Castries? Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

Simply hit 'search'. From British Airways to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from Miami to Castries. And with us there are no hidden fees - what you see is what you pay.
Compare flight deals to Castries from Miami from over 1,000 providers. Then choose the cheapest or fastest plane tickets.
Flex your dates to find the best Miami-Castries ticket prices. If you are flexible when it comes to your travel dates, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to Castries from Miami.
Set up a Price Alert. You can easily track the fare of your cheap Miami-Castries flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
Fly without stops. Only interested in direct flights between Miami and Castries? Make sure to tick 'Direct flights only' when performing a search. If there are direct flights available on the route, these will appear in the results.
Find the cheapest Business class flights from Miami and Castries. We scour the internet for the best Business, Premium Economy and First Class flight fares to Castries, too. Check the difference in price as you search – you might just chance upon a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
Include nearby airports in your search. Widen your search for Miami to Castries flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.

Combine your flight to Castries from Miami with hotels and car hire

Once you've secured your cheap flight ticket from Miami to Castries, discover the best prices and exclusive rates for hotels in Castries or nearby. You can also compare hundreds of car hire companies in one go so that you get the best car hire price for your trip.