Cheap flights from Miami International to Castries

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Flight deals from Miami International to Castries

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

Castries.$517 per passenger.Departing Fri, Apr 17, returning Wed, Apr 22.Round-trip flight with American Airlines.Outbound direct flight with American Airlines departing from Miami International on Fri, Apr 17, arriving in St Lucia Hewanorra.Inbound direct flight with American Airlines departing from St Lucia Hewanorra on Wed, Apr 22, arriving in Miami International.Price includes taxes and charges.From $517, select.

Castries.$517 per passenger.Departing Thu, Nov 27, returning Thu, Dec 11.Round-trip flight with American Airlines.Outbound direct flight with American Airlines departing from Miami International on Thu, Nov 27, arriving in St Lucia Hewanorra.Inbound direct flight with American Airlines departing from St Lucia Hewanorra on Thu, Dec 11, arriving in Miami International.Price includes taxes and charges.From $517, select.

Castries.$532 per passenger.Departing Thu, Oct 16, returning Thu, Oct 23.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Miami International on Thu, Oct 16, arriving in St Lucia Hewanorra.Inbound indirect flight with Delta, departing from St Lucia Hewanorra on Thu, Oct 23, arriving in Miami International.Price includes taxes and charges.From $532, select.

Castries.$549 per passenger.Departing Sat, Sep 13, returning Tue, Sep 16.Round-trip flight with Frontier Airlines and jetBlue.Outbound indirect flight with Frontier Airlines, departing from Miami International on Sat, Sep 13, arriving in St Lucia Hewanorra.Inbound indirect flight with jetBlue, departing from St Lucia Hewanorra on Tue, Sep 16, arriving in Miami International.Price includes taxes and charges.From $549, select.

Castries.$550 per passenger.Departing Mon, Sep 29, returning Wed, Oct 1.Round-trip flight with Frontier Airlines and jetBlue.Outbound indirect flight with Frontier Airlines, departing from Miami International on Mon, Sep 29, arriving in St Lucia Hewanorra.Inbound indirect flight with jetBlue, departing from St Lucia Hewanorra on Wed, Oct 1, arriving in Miami International.Price includes taxes and charges.From $550, select.

Castries.$552 per passenger.Departing Mon, Sep 1, returning Wed, Sep 10.Round-trip flight with American Airlines.Outbound direct flight with American Airlines departing from Miami International on Mon, Sep 1, arriving in St Lucia Hewanorra.Inbound direct flight with American Airlines departing from St Lucia Hewanorra on Wed, Sep 10, arriving in Miami International.Price includes taxes and charges.From $552, select.

Castries.$560 per passenger.Departing Wed, Jan 14, returning Wed, Jan 21.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Miami International on Wed, Jan 14, arriving in St Lucia Hewanorra.Inbound indirect flight with Delta, departing from St Lucia Hewanorra on Wed, Jan 21, arriving in Miami International.Price includes taxes and charges.From $560, select.

Castries.$560 per passenger.Departing Wed, May 13, returning Wed, May 20.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Miami International on Wed, May 13, arriving in St Lucia Hewanorra.Inbound indirect flight with Delta, departing from St Lucia Hewanorra on Wed, May 20, arriving in Miami International.Price includes taxes and charges.From $560, select.

Find the cheapest month to fly from Miami International to Castries

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

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Direct flights from Miami International to Castries

Alternative Miami International to Castries routes

Looking for the cheapest, fastest or easiest route from Miami International 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	$517
Cheapest month to fly	November
Average flight time	3 hrs, 40 mins
Most popular airline	American Airlines
Average flights per week	27

Finding cheap flights from Miami International 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 round-trip flights from Miami International to Castries?

The best price we found for a round-trip flight from Miami International to Castries is $517. 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 International to Castries?

3 hours and 40 minutes is the average flight time from Miami International to Castries.

Which airlines fly direct from Miami International to Castries?

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

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

There are 27 flights per week flying from Miami International to Castries, as of July 2025.

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

The cheapest month to fly from Miami International to Castries is usually November.

What's the cheapest airport to fly to in Castries?

If you're flying from Miami International Airport, the cheapest airport near Castries is St Lucia Hewanorra – which is 30.5 km away from the center of Castries. We've found flights to this airport from $517.

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

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Miami International Airport to Castries on Thursday, November 27, 2025.

Can I get a direct flight from Miami International Airport to Castries?

Yes – the average flight time is 3 hours and 40 minutes.

How can I get the best flight deal from Miami International 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 July, 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.

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

Currently, American Airlines offers the cheapest flight tickets to Castries.

Flying from Miami International Airport (MIA) to Castries: what you need to know

Castries and Miami (where Miami International Airport is located) are in the UTC-4 timezone. This means you won't need to account for any time differences.
Miami International Airport (MIA) to Hewanorra Airport (UVF) is the most traveled route, with ten departures a week to choose from. You can travel from MIA to UVF at 08:25 with American Airlines.
Give yourself plenty of time to make your MIA to Castries flight. As a general rule, arrive at least two hours before international departures and an hour ahead for domestic flights.
If you're jetting off during a major holiday or another peak period, allow for even more time. A good rule is two hours ahead of domestic flights and up to four hours before international departures. Lines at check-in and security will be longer.
Begin your journey at MIA and fly straight to Hewanorra Airport (UVF). That's where you can expect to land when searching for Miami International Airport to Castries tickets.
Look out for deals with American Airlines. This airline has direct flights from Miami International Airport to Castries.
Consider adding a stopover to potentially unlock a cheaper flight ticket from MIA to Castries. All you need to do is uncheck 'Direct flights only' during your search. Take a detour (and maybe pocket some savings) by stopping at one of these airports:
- Hartsfield-Jackson Atlanta International Airport (ATL)
- Piarco International Airport (POS)
- Grantley Adams International Airport (BGI)
The journey from central Miami to MIA takes around 1 hour 20 minutes on public transport. If you ride-share, drive or grab a cab, you'll cover the 10 kilometers in 20 minutes or so, depending on traffic.
Booked an early flight from Miami International Airport to Castries? Avoid the hassle of rushing to the terminal (and sneak in some extra precious sleep) by choosing one of these stays near MIA:
76.14% of flights that take off from Miami International Airport make it to their destination on time.
MIA is located at 4200 N.W. 21 Street.

How to find the cheapest flights from Miami International Airport (MIA) to Castries

$264 is currently the lowest price for a one-way Miami International Airport to Castries flight. A return flight ticket starts at $517. These fares can change based on demand and availability.
To score cheap flights from MIA to Castries, reserve your journey four months before your planned departure.
August is the best month for nabbing an amazing deal on Miami International Airport to Castries tickets. If you're looking to travel during a different time of year, the 'Whole month' tool will give you the lowest prices for each month.
You don't need to check in daily to see if fares have dropped when you set up a Price Alert. We'll let you know the moment there's an even bigger deal on cheap flights from MIA to Castries.
Find a cheap flight from Miami International Airport to Castries with the help of our filters. Choose your ideal duration, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

Airports in Castries

George F. L. Charles Airport (SLU)

The distance from George F. L. Charles Airport (SLU) to central Castries is roughly 3 kilometers. It takes around 5 minutes to get to the center driving.
It'll take around 40 minutes when traveling by public transport.
If you're arriving on a late flight from Miami International Airport to Castries, nothing beats the convenience of staying near the terminal. Grab your suitcases from the carousel and then be showered and snoozing soon after at one of these accommodation options near SLU:
Explore without limits with a George F. L. Charles Airport rental car. Pick up a set of wheels from Drive A Matic, Final Rentals or Sixt and discover more of Castries and beyond.
Lock in the best possible rate by reserving your ride from George F. L. Charles Airport about one week before your flight from MIA to Castries.

Hewanorra Airport (UVF)

Once your flight from Miami International Airport to Castries has arrived, you can get to the city center in about 1 hour 10 minutes by car. Central Castries is roughly 56 kilometers from Hewanorra Airport (UVF).
There are some comfortable places to rest your head close to UVF. Kick back and get cozy after your MIA to Castries flight at one of these well-located options:
Forget about inconvenient public transport timetables or waiting forever for a cab. Pick up a Hewanorra Airport rental car and let the journey unfold your way. Check out the availability and rates from Drive A Matic, Sixt and Final Rentals.
Get what you want, not just what's left over. Securing your ride from UVF one week ahead of time often means lower prices and a bigger choice of vehicles.

Best time to go to Castries

Travel to Castries during peak season if you like a bustling atmosphere, but remember that hotel prices tend to be higher. Alternatively, book your flights from Miami International Airport to Castries in the low season when prices are cheaper and it's less crowded.
Before booking a Miami International Airport to Castries flight ticket, think about the weather you're most comfortable in. September is the warmest month in Castries, with temperatures ranging from 26ºC (79ºF) to 30ºC (86ºF).
Look for cheap tickets from MIA to Castries in February if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 24ºC (75ºF) and 28ºC (82ºF) on average.

More about Castries

When it comes to searching for somewhere to lay your head, you'll find the most popular stays in Castries right here. Explore these options once you've booked your flight from Miami International Airport to Castries:
Morne Fortune and Derek Walcott Square are just two of the top attractions to add to your Castries travel itinerary. Keep the momentum going by heading to Immaculate Conception Church.