$298 Cheap flight deals from Sioux Falls (FSD) to Castries (SLU)
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Airfares from $298 One Way, $596 Round Trip from Sioux Falls to Castries
Prices starting at $596 for return flights and $298 for one-way flights to Castries were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
Castries economy flight packages
Bay Gardens Beach Resort and Spa
Jan 18 - Jan 24
Sioux Falls (FSD) to Vieux Fort (UVF)
Vieux Fort (UVF) to Sioux Falls (FSD)
Reviewed on Jan 9, 2023
Royalton Hideaway Saint Lucia, An Autograph Collection All-Inclusive Resort – Adults Only
Jan 18 - Jan 24
Sioux Falls (FSD) to Vieux Fort (UVF)
Vieux Fort (UVF) to Sioux Falls (FSD)
Reviewed on Nov 14, 2025
Royalton Saint Lucia, An Autograph Collection All-Inclusive Resort
Jan 18 - Jan 24
Sioux Falls (FSD) to Vieux Fort (UVF)
Vieux Fort (UVF) to Sioux Falls (FSD)
Reviewed on Sep 26, 2025
More About Flying To Castries from Sioux Falls
Route Information for Flights from Sioux Falls to Castries
Origin Airport IATA Code | FSD |
|---|---|
Destination Airport IATA Code | SLU |
Distance | |
Direct Flight Airlines | |
Earliest Flight Arrival | |
Latest Flight Arrival |
Sioux Falls to Castries
Looking for cheap Sioux Falls to Castries flights? Orbitz has the cheapest air fares for flights from Sioux Falls to Castries. Plus, with our cutting-edge mobile tools, travel planning has never been easier or more wallet-friendly.
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Cheap Air Ticket Prices Guaranteed
Orbitz is your number one source for low fares for Sioux Falls to Castries flights. Our low price guarantee on domestic and international air tickets give you great savings for a perfect trip to Castries. Need hotels too? You can book them last minute on your mobile phone.
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Sioux Falls Airports
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Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.
Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.
Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.