$557 Cheap Flights from Fort Myers (RSW) to Castries (SLU)

View $557 flight on Sun, Jan 25, 2026Opens in a new window

Popular airlines from Southwest Florida Intl. Airport (RSW) to George F. L. Charles Airport (SLU)

Cheap Flights from Fort Myers to Castries (RSW-SLU)

Prices were available within the past 7 days and start at $557 for one-way flights and $4,355 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Fri, Nov 7 - Mon, Nov 10
RSW
Fort Myers
SLU
Castries
$4,355 Roundtrip, found 3 days ago
$4,355
Roundtrip
found 3 days ago
Select Air Canada flight, departing Fri, Nov 7 from Fort Myers to Castries, returning Mon, Nov 10, priced at $4,355 found 3 days ago

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. Cheapest option available. Average driving time to city center is 53 minutes. Flights from $659
UVF
Hewanorra Intl.
Cheapest
Average driving time to city center53 min
Flights from $659

Frequently asked questions

How much does a flight from Southwest Florida Intl. Airport (RSW) to George F. L. Charles Airport (SLU) cost?
Lock in a cheap one-way flight from $557 or cheap return flight from $4,355 from Southwest Florida Intl. Airport (RSW) 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 Southwest Florida Intl. Airport (RSW) to George F. L. Charles Airport (SLU)?
Flying in November is a great way to save, as it's the cheapest month for flights between RSW and SLU. You'll usually find the lowest fares during the off-season.
What is the cheapest airline that flies from Southwest Florida Intl. Airport (RSW) to George F. L. Charles Airport (SLU)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll fly you from RSW to SLU. Then, sort your results by "Price (lowest to highest)" to snag the best deal available.
How many flights per day from Southwest Florida Intl. Airport (RSW) to George F. L. Charles Airport (SLU)?
There aren't any daily direct flights from Southwest Florida Intl. Airport (RSW) to George F. L. Charles Airport (SLU). But you can opt for flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from RSW to SLU?
You'll generally 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 Southwest Florida Intl. Airport (RSW) to George F. L. Charles Airport (SLU)?
To reach George F. L. Charles Airport (SLU) on time, choose a flight that takes off from Southwest Florida Intl. Airport (RSW) 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.
Is it cheaper to buy a plane ticket from Southwest Florida Intl. Airport (RSW) to George F. L. Charles Airport (SLU) last-minute?
Booking your plane ticket from RSW to SLU just before your journey is typically more expensive. However, if you're flexible with your departure times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book a RSW to SLU flight and hotel package?
Compared with arranging hotels and flights separately, booking a RSW to SLU flight and hotel package with Expedia could lead to significant savings. What's more, managing everything in one place will take the stress out of travel planning. Simply secure your flights and choose from our wide range of stays, then personalize your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Southwest Florida Intl. Airport (RSW) to George F. L. Charles Airport (SLU)?
If you reserved your RSW to SLU flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more details.

Travel information

Travel information

Origin airport
Southwest Florida Intl.
Destination airport
George F. L. Charles
Roundtrip price
$4,354
Distance
1595 mi

Book with confidence

Book with confidence

Fort Myers to Castries Flights

The cheapest times to fly from Fort Myers 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 Fort Myers to Castries are during the month of November. You can find some of the cheapest flights from Fort Myers to Castries with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Fort Myers to Castries

Sunday is one of the best days to book for cheap flights from Fort Myers 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 Fort Myers 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 Fort Myers to Castries in 2025. You can also book with separate airlines for your outbound and return journeys, from $557 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 Fort Myers 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 Fort Myers 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.

 

Fort Myers to Castries Flights

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*Available to One Key members.