Title: Cheap Flights from San Antonio (SAT) to Castries (SLU) - Expedia.ca ![La Toc Beach](https://images.trvl-media.com/place/553248621533157962/427c3ca0-a24c-4935-aa2f-199315cd7f76.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/553248621533157962/427c3ca0-a24c-4935-aa2f-199315cd7f76.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from San Antonio (SAT) to Castries (SLU) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from San Antonio International Airport (SAT) to George F. L. Charles Airport (SLU) - ![Air Canada](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada [](https://www.expedia.ca/Flights-Search?leg1=from:sat,to:slu,departure:09/11/2025TANYT&leg2=from:slu,to:sat,departure:16/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![WestJet](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WS.svg) WestJet [](https://www.expedia.ca/Flights-Search?leg1=from:sat,to:slu,departure:09/11/2025TANYT&leg2=from:slu,to:sat,departure:16/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WS"}}]) - ![Flair Airlines](https://a.travel-assets.com/air/airlines/f8_sq.svg) Flair Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:sat,to:slu,departure:09/11/2025TANYT&leg2=from:slu,to:sat,departure:16/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F8"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:sat,to:slu,departure:09/11/2025TANYT&leg2=from:slu,to:sat,departure:16/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:sat,to:slu,departure:09/11/2025TANYT&leg2=from:slu,to:sat,departure:16/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.ca/Flights-Search?leg1=from:sat,to:slu,departure:09/11/2025TANYT&leg2=from:slu,to:sat,departure:16/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![Porter Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_PD.svg) Porter Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:sat,to:slu,departure:09/11/2025TANYT&leg2=from:slu,to:sat,departure:16/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"PD"}}]) ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) Flight from San Antonio to Castries (SAT - SLU) route information | Origin airport | San Antonio Intl. | | --- | --- | | Destination airport | George F. L. Charles | | Distance | 4187 km | ## San Antonio to Castries Flights **The easy way to book your flights from San Antonio to Castries**  With Expedia, it’s simple to find and book flights to Castries from San Antonio whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to George F. L. Charles, too.   Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from San Antonio to Castries today, tomorrow, or this week.   **Save dollars with cheap flights from San Antonio Intl., SAT to George F. L. Charles, SLU**  Sort your search results by price to find great deals on your flight from San Antonio to Castries—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Castries from San Antonio currently is just rising to .   Here are more money-saving tips:  - Fly in when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to Castries   - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times  - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!  **Reasons to choose Expedia for your flight to Castries from San Antonio**  Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Castries with Expedia today. ## Frequently asked questions ### How much is a flight from San Antonio Airport to SLU? > Based on fares advertised within the last 7 days on Expedia for flights departing within the next year, round-trip journeys from San Antonio Intl. Airport (SAT) to Vigie Airport start from . Make your booking today to get the best price for your next big adventure. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from SAT to SLU? > When it comes to cancellation fees, each airline has its own terms and conditions. If you decide to cancel your vacation, visit our [Customer Service Portal](https://www.expedia.ca/helpcenter). ### How do I find cheap flights from San Antonio Intl. Airport (SAT) to SLU that have flexible change policies? > Many airlines will allow you to move your flight at no extra charge. All you pay is any additional cost for the new flight. When looking for San Antonio Airport to Vigie Airport flights, you'll find a "No change fees" box for you to pick. ### How far is the flight from SAT to Vigie Airport? > With a flight distance of 4,200 kilometres from San Antonio Airport to George F. L. Charles Airport (SLU), this is a long trip. Remember to stay hydrated and get up to stretch your legs every now and then. ### Which airlines fly direct from San Antonio Airport to SLU? > Unfortunately, there are no airlines that fly direct between San Antonio Intl. Airport (SAT) and Vigie Airport. You'll have to book a flight with one or more stops. ### Are San Antonio Airport to Vigie Airport flight tickets cheaper when they're purchased at the last minute? > It is possible to pick up a fantastic last-minute deal from San Antonio Intl. Airport (SAT) to George F. L. Charles Airport (SLU), but it's also possible to miss out entirely! As many airlines release seats up to a year in advance, it's worthwhile keeping an eye on fares early and being ready to pounce when you spot a bargain. Expedia compares air carrier prices and updates flight deals often, so you can be sure you're always getting the latest offers. ## Explore a world of travel with Expedia - Lodging - Flights - Packages - Cars - Vacation Rental - Other ### Lodging - [Babonneau Hotels](https://www.expedia.ca/Babonneau-Hotels.d6337746.Travel-Guide-Hotels) - [Balata Hotels](https://www.expedia.ca/Balata-Hotels.d553248635975871686.Travel-Guide-Hotels) - [Bisée Hotels](https://www.expedia.ca/Bisee-Hotels.d553248635975857342.Travel-Guide-Hotels) - [B&B in Castries](https://www.expedia.ca/Castries-Bed-And-Breakfast.d3209-aaBedAndBreakfast.Travel-Guide-Accommodation) - [Guest Houses in Castries](https://www.expedia.ca/Castries-Guest-Houses.d3209-aaGuestHouses.Travel-Guide-Accommodation) - [All Inclusive Resorts and in Castries](https://www.expedia.ca/Castries-Hotels-All-Inclusive-Hotel.0-0-d3209-tAllInclusiveHotel.Travel-Guide-Filter-Hotels) - [Beach Hotel Hotels in Castries](https://www.expedia.ca/Castries-Hotels-Beach-Hotel.0-0-d3209-tBeachHotel.Travel-Guide-Filter-Hotels) - 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[Marigot Bay Vacations](https://www.expedia.ca/Marigot-Bay.d601097.Destination-Travel-Guides) - [Visit Morne Fortune](https://www.expedia.ca/Morne-Fortune.dx6338479) - [Saint Lucia National Archives](https://www.expedia.ca/Saint-Lucia-National-Archives-Vigie.d553248621563843877.Vacation-Attraction) - [St. Lucia Government House](https://www.expedia.ca/St-Lucia-Government-House-Castries.d6067627.Vacation-Attraction) - [St. Lucia Town Hall](https://www.expedia.ca/St-Lucia-Town-Hall-Castries.d6067633.Vacation-Attraction) - [Vendor’s Arcade](https://www.expedia.ca/Vendors-Arcade-Castries.d553248621558565664.Vacation-Attraction) - [Vigie Beach](https://www.expedia.ca/Vigie-Beach-Castries.d6067639.Vacation-Attraction) - [Vigie Lighthouse](https://www.expedia.ca/Vigie-Lighthouse-Vigie.d6067641.Vacation-Attraction) ### Cars - [Car rental Castries](https://www.expedia.ca/Car-Rentals-In-Castries.d3209.Car-Rental-Guide) - [Car rental Pointe Seraphine](https://www.expedia.ca/Car-Rentals-In-Pointe-Seraphine.d6338481.Car-Rental-Guide) - [Hawk Rental Cars in Castries](https://www.expedia.ca/Hawk-Car-Rentals-In-Castries.d3209-c1076.Car-Rental-Guide-Suppliers) - [Ilha Verde Rental Cars in Castries](https://www.expedia.ca/Ilha-Verde-Car-Rentals-In-Castries.d3209-c1130.Car-Rental-Guide-Suppliers) ### Vacation Rental - [Marigot Bay Vacation Rentals](https://www.expedia.ca/Marigot-Bay-Vacation-Rentals.d601097.Travel-Guide-VacationRentals) ### Other - [Things to do in Babonneau](https://www.expedia.ca/Things-To-Do-In-Babonneau.d6337746.Travel-Guide-Activities) - [Things to do in Castries](https://www.expedia.ca/Things-To-Do-In-Castries.d3209.Travel-Guide-Activities) - [Things to do in Marigot Bay](https://www.expedia.ca/Things-To-Do-In-Marigot-Bay.d601097.Travel-Guide-Activities) - [Things to do in Pointe Seraphine](https://www.expedia.ca/Things-To-Do-In-Pointe-Seraphine.d6338481.Travel-Guide-Activities) \*Available to Expedia members.