$323 Cheap Flights from Castries (SLU) to Miami (MIA)

Castries (SLU) to Miami (MIA) at a glance

Travel seamlessly from Castries (SLU) to Miami (MIA) with a full-service airline on this international long-haul route. Discover the flight options that best suit your schedule and travel preferences as you immerse yourself in Miami's iconic attractions and vibrant neighborhoods. Here are the essential details for flights departing from George F. L. Charles Airport (SLU) to Miami International Airport (MIA).

• Fastest flight duration: around 5h 15m in-flight, plus roughly 3 hours layover with one stop
• Route distance: roughly 1,500 miles (2,410 km)
• Flights per week: around 7 departures on average
• Typical fares (one-way): economy tickets often range from $335–$550, depending on seasonality and how far ahead you book

Flights from George F. L. Charles Airport (SLU) to Miami International Airport (MIA)

Based on the latest traveler bookings, here are the top airlines flying from Castries to Miami, commonly selected for their one-stop options. Many passengers prefer layovers at Piarco International Airport (POS), which typically lasts about three hours. This allows you to choose the best itinerary by balancing price, total travel time, and cabin class.

• Caribbean Airlines: This full-service airline provides convenient one-stop travel, with one-way ticket prices generally falling between $335 and $550. It dominates departures on this route, featuring a flight duration of 5 hours and 15 minutes, and a total travel time of approximately 8 hours and 15 minutes, including layover time.

Alternative route from Castries (SLU) to Miami (MIA)

• Vieux Fort to Miami (UVF-MIA): Hewanorra International Airport (UVF) is located approximately 20 miles from George F. L. Charles Airport (SLU). One-way economy ticket prices on this route generally fall between $270 and $870, influenced by the season and the timing of your booking. This route offers both direct and connecting flights. Major airlines operating on this route include American Airlines and Delta. Additionally, business class service is available for travelers seeking a more premium experience.

How to find the best prices for flights from Castries (SLU) to Miami (MIA)

Getting some of the best deals on flights from Castries to Miami is all about timing and flexibility. Here are some key tips to help you save:

1. Best times to book and fly: cheaper fares are usually found when booking within two weeks, which is also when most travelers make their reservations. Morning departures between 5 a.m. and 12 p.m. tend to be more affordable and are the most popular flight times. Additionally, flying on Sunday not only offers lower prices but is also the most favored travel day.
2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Miami International Airport from George F. L. Charles Airport

Miami welcomes travelers from Castries with a range of transport options based on price, convenience, and proximity. Here's how to reach Miami efficiently:

• Hotel transfer: Transfers offer a convenient way to reach your hotel in Miami, with private rides that can be arranged in advance.
• Car rental: Renting a car from Miami International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Miami International Airport on Expedia.
• Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
• Public transportation: From Miami International Airport, Miami Airport Station, a train station, is located about 1.6 miles from the airport, while Brownsville Station, a metro station, is situated approximately 4.3 miles away by car. For those traveling by sea, Miami Seaport is about 7.8 miles from the airport, typically reached by car.

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 November. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $323 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.