$338 Cheap Flights from Castries (SLU) to Miami (MIA)

View $338 flight on Mon, Nov 17, 2025Opens in a new window

Popular airlines from George F. L. Charles Airport (SLU) to Miami Intl. Airport (MIA)

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Cheap Flights from Castries to Miami (SLU-MIA)

Prices were available within the past 7 days and start at $338 for one-way flights and $580 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Caribbean Airlines
Wed, Oct 22 - Fri, Oct 31
SLU
Castries
MIA
Miami
$580 Roundtrip, found 1 day ago
$580
Roundtrip
found 1 day ago
Select Caribbean Airlines flight, departing Wed, Oct 22 from Castries to Miami, returning Fri, Oct 31, priced at $580 found 1 day ago

Find the cheapest month to fly from Castries (SLU) to Miami (MIA)

October is typically the cheapest month to fly

From $428 - $828 per traveler.

Graph displaying average flight prices per month

Alternative airports near Miami

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Fort Lauderdale - Hollywood Intl. FLL. Average driving time to city center is 32 minutes. Flights from $723
FLL
Fort Lauderdale - Hollywood Intl.
Average driving time to city center32 min
Flights from $723
Flights from Vieux Fort (UVF) to Miami (MIA)
Origin airport
Hewanorra Intl.
Destination airport
Miami Intl.
Airlines serving
Caribbean Airlines
Roundtrip price
$447
Distance
1504 mi

Castries to Miami Flights

The cheapest times to fly from Castries to Miami

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Castries to Miami are during the month of October. You can find some of the cheapest flights from Castries to Miami with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Castries to Miami

Sunday is one of the best days to book for cheap flights from Castries to Miami: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Castries to Miami

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Castries to Miami in 2025. You can also book with separate airlines for your outbound and return journeys, from $338 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Castries to Miami flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Castries to Miami airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from George F. L. Charles Airport (SLU) to Miami Intl. Airport (MIA) cost?
Discover the latest flight deals from SLU to MIA by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SLU to MIA?
The cheapest flights from SLU to MIA are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from George F. L. Charles Airport (SLU) to Miami Intl. Airport (MIA)?
Although Castries (SLU-George F. L. Charles) doesn't have any direct flights to Miami Intl. Airport (MIA), other airports have nonstop routes. Traveling from Hewanorra Intl. Airport (UVF) will get you to Miami without any detours.
What is the cheapest airline that flies from SLU to MIA?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from SLU to MIA. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from George F. L. Charles Airport (SLU) to Miami Intl. Airport (MIA)?
You'll have to catch a flight with a layover if you're traveling from George F. L. Charles Airport (SLU) to Miami Intl. Airport (MIA). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from SLU to MIA?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change depending on a number of factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from George F. L. Charles Airport (SLU) to Miami Intl. Airport (MIA)?
Book a flight from George F. L. Charles Airport (SLU) to Miami Intl. Airport (MIA) that takes off before 3 PM to reduce the likelihood of delays. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from George F. L. Charles Airport (SLU) to Miami Intl. Airport (MIA) last-minute?
Booking your ticket from SLU to MIA shortly before your getaway is generally more expensive. But if there's some wiggle room with your travel times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a SLU to MIA flight and hotel package?
You can save money by booking a SLU to MIA flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. Once you've chosen your preferred flights and accommodations, consider other add-ons like activities, car rentals and tours.
Can I cancel or change the date of my flight from George F. L. Charles Airport (SLU) to Miami Intl. Airport (MIA)?
You can usually cancel or reschedule your SLU to MIA flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.