$234 Cheap Flights from Miami (MIA) to Castries (SLU)

View $234 flight on Sat, Nov 1, 2025Opens in a new window

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

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Cheap Flights from Miami to Castries (MIA-SLU)

Prices were available within the past 7 days and start at $234 for one-way flights and $533 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Caribbean Airlines
Wed, Jan 28 - Thu, Jan 29
MIA
Miami
SLU
Castries
$533 Roundtrip, found 15 hours ago
$533
Roundtrip
found 15 hours ago
Select Caribbean Airlines flight, departing Wed, Jan 28 from Miami to Castries, returning Thu, Jan 29, priced at $533 found 15 hours ago
Caribbean Airlines
Wed, Nov 12 - Thu, Nov 13
MIA
Miami
SLU
Castries
$543 Roundtrip, found 8 hours ago
$543
Roundtrip
found 8 hours ago
Select Caribbean Airlines flight, departing Wed, Nov 12 from Miami to Castries, returning Thu, Nov 13, priced at $543 found 8 hours ago

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

January is typically the cheapest month to fly

From $432 - $744 per traveler.

Alternative airports near Castries

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

Select flight to Hewanorra Intl. UVF. Average driving time to city center is 53 minutes. Flights from $788
UVF
Hewanorra Intl.
Average driving time to city center53 min
Flights from $788

Frequently asked questions

How much does a flight from Miami Intl. Airport (MIA) to George F. L. Charles Airport (SLU) cost?
Lock in a cheap one-way flight from $234 or cheap return flight from $533 from Miami Intl. Airport (MIA) to George F. L. Charles Airport (SLU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Miami Intl. Airport (MIA) to George F. L. Charles Airport (SLU)?
Traveling in January is a great way to save, as it's the cheapest month for flights between MIA and SLU. You'll usually find the lowest fares during off-peak months.
What is the cheapest airline that flies from Miami Intl. Airport (MIA) to George F. L. Charles Airport (SLU)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll fly you from MIA to SLU. Then, sort your results by "Price (lowest to highest)" to snag the best deal available.
How many flights per day from Miami Intl. Airport (MIA) to George F. L. Charles Airport (SLU)?
There are no daily nonstop flights departing from Miami Intl. Airport (MIA) to George F. L. Charles Airport (SLU). But you can choose flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way before you know it.
What day of the week has the most flights from MIA to SLU?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Miami Intl. Airport (MIA) to George F. L. Charles Airport (SLU)?
To reach George F. L. Charles Airport (SLU) on time, select a flight that takes off from Miami Intl. Airport (MIA) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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.
What airports do you fly into for Castries from Miami Intl. Airport (MIA)?
Check out your flight options from Miami Intl. Airport (MIA) to Hewanorra Intl. Airport (UVF). This is the only airport in Castries you can fly into if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Miami Intl. Airport (MIA) to George F. L. Charles Airport (SLU) last-minute?
Holding off until right before your break to book a flight from MIA to SLU generally means paying more. While it's possible to find some last-minute discounts, there's no guarantee. Keep your travel plans flexible to boost your chances of scoring a bargain.
Is it cheaper to book a MIA to SLU flight and hotel package?
You'll generally save money by securing a MIA to SLU flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. After choosing your ideal flights and accommodations, consider adding extras like activities, car rentals and tours.
Can I cancel or change the date of my flight from Miami Intl. Airport (MIA) to George F. L. Charles Airport (SLU)?
Typically, it's possible to reschedule or cancel your MIA to SLU flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Miami Intl.
Destination airport
George F. L. Charles
Airlines serving
Caribbean Airlines
Roundtrip price
$533
Distance
1490 mi

Book with confidence

Miami to Castries Flights

The cheapest times to fly from Miami to Castries

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 Miami to Castries are during the month of January. You can find some of the cheapest flights from Miami to Castries with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Miami to Castries

Sunday is one of the best days to book for cheap flights from Miami to Castries: 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 Miami to Castries

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 Miami to Castries in 2025. You can also book with separate airlines for your outbound and return journeys, from $234 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 Miami to Castries 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 Miami to Castries 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.

 

Miami to Castries Flights

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*Available to One Key members.