$562 Cheap Flights from Castries (SLU) to Santo Domingo (SDQ)

View $562 flight on Fri, Jan 9, 2026Opens in a new window

Popular airlines from George F. L. Charles Airport (SLU) to Las Americas Intl. Airport (SDQ)

Cheap Flights from Castries to Santo Domingo (SLU-SDQ)

Prices were available within the past 7 days and start at $562 for one-way flights and $997 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

interCaribbean Airways
Mon, Mar 30 - Wed, Apr 1
SLU
Castries
SDQ
Santo Domingo
$997 Roundtrip, found 6 days ago
$997
Roundtrip
found 6 days ago
Select interCaribbean Airways flight, departing Mon, Mar 30 from Castries to Santo Domingo, returning Wed, Apr 1, priced at $997 found 6 days ago
interCaribbean Airways
Thu, Apr 2 - Sat, Apr 11
SLU
Castries
SDQ
Santo Domingo
$1,143 Roundtrip, found 6 days ago
$1,143
Roundtrip
found 6 days ago
Select interCaribbean Airways flight, departing Thu, Apr 2 from Castries to Santo Domingo, returning Sat, Apr 11, priced at $1,143 found 6 days ago
interCaribbean Airways
Fri, Mar 27 - Sat, Apr 11
SLU
Castries
SDQ
Santo Domingo
$1,153 Roundtrip, found 6 days ago
$1,153
Roundtrip
found 6 days ago
Select interCaribbean Airways flight, departing Fri, Mar 27 from Castries to Santo Domingo, returning Sat, Apr 11, priced at $1,153 found 6 days ago
Hahn Air Technologies
Sun, Dec 21 - Fri, Jan 2
SLU
Castries
SDQ
Santo Domingo
$1,178 Roundtrip, found 1 day ago
$1,178
Roundtrip
found 1 day ago
Select Hahn Air Technologies flight, departing Sun, Dec 21 from Castries to Santo Domingo, returning Fri, Jan 2, priced at $1,178 found 1 day ago
Hahn Air Technologies
Thu, Apr 2 - Fri, Apr 10
SLU
Castries
SDQ
Santo Domingo
$1,291 Roundtrip, found 6 days ago
$1,291
Roundtrip
found 6 days ago
Select Hahn Air Technologies flight, departing Thu, Apr 2 from Castries to Santo Domingo, returning Fri, Apr 10, priced at $1,291 found 6 days ago

Find the cheapest month to fly from Castries (SLU) to Santo Domingo (SDQ)

January is typically the cheapest month to fly

From $830 - $1,929 per traveler.

Alternative airports near Santo Domingo

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

Select flight to Las Americas Intl. SDQ. Cheapest option available. Average driving time to city center is 22 minutes. Flights from $1,880
SDQ
Las Americas Intl.
Cheapest
Average driving time to city center22 min
Flights from $1,880
Flights from Castries (SLU) to Santo Domingo (SDQ)
Origin airport
George F. L. Charles
Destination airport
Las Americas Intl.
Airlines serving
Hahn Air Technologies
Roundtrip price
$996
Distance
651 mi

Castries to Santo Domingo Flights

The cheapest times to fly from Castries to Santo Domingo

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

 

The best time to book a flight from Castries to Santo Domingo

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

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 Santo Domingo in 2026. You can also book with separate airlines for your outbound and return journeys, from $562 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 Santo Domingo 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 Santo Domingo 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 Las Americas Intl. Airport (SDQ) cost?
Grab a cheap one-way flight from $562 or cheap return flight from $997 from George F. L. Charles Airport (SLU) to Las Americas Intl. Airport (SDQ) 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 George F. L. Charles Airport (SLU) to Las Americas Intl. Airport (SDQ)?
Planning your trip for March is a great way to save, as it's the cheapest month for flights between SLU and SDQ. You'll typically find the lowest fares during the off-season.
What is the cheapest airline that flies from George F. L. Charles Airport (SLU) to Las Americas Intl. Airport (SDQ)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll fly you from SLU to SDQ. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
How many flights per day from George F. L. Charles Airport (SLU) to Las Americas Intl. Airport (SDQ)?
Nonstop flights from George F. L. Charles Airport (SLU) to Las Americas Intl. Airport (SDQ) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SLU to SDQ?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary 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 Las Americas Intl. Airport (SDQ)?
To touch down at Las Americas Intl. Airport (SDQ) on schedule, select a flight that leaves from George F. L. Charles Airport (SLU) 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 George F. L. Charles Airport (SLU) to Las Americas Intl. Airport (SDQ) last-minute?
Waiting until right before your break to book a ticket from SLU to SDQ generally means paying more. While you might find some last-minute offers, there's no guarantee. Allow some flexibility in your schedule to maximize your chances of landing a bargain.
Is it cheaper to book a SLU to SDQ flight and hotel package?
You can save money by booking a SLU to SDQ 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 everything in one place. Once you've selected your preferred accommodations and flights, consider adding extras such as car rentals, tours and activities.
Can I cancel or change the date of my flight from George F. L. Charles Airport (SLU) to Las Americas Intl. Airport (SDQ)?
You can usually cancel or reschedule your SLU to SDQ flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.