Title: Cheap Flights from Washington (DCA) 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 Washington (DCA) 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 Ronald Reagan National Airport (DCA) 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:dca,to:slu,departure:14/11/2025TANYT&leg2=from:slu,to:dca,departure:21/11/2025TANYT&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:dca,to:slu,departure:14/11/2025TANYT&leg2=from:slu,to:dca,departure:21/11/2025TANYT&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:dca,to:slu,departure:14/11/2025TANYT&leg2=from:slu,to:dca,departure:21/11/2025TANYT&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:dca,to:slu,departure:14/11/2025TANYT&leg2=from:slu,to:dca,departure:21/11/2025TANYT&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:dca,to:slu,departure:14/11/2025TANYT&leg2=from:slu,to:dca,departure:21/11/2025TANYT&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:dca,to:slu,departure:14/11/2025TANYT&leg2=from:slu,to:dca,departure:21/11/2025TANYT&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:dca,to:slu,departure:14/11/2025TANYT&leg2=from:slu,to:dca,departure:21/11/2025TANYT&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) ## Find the cheapest month to fly from Washington (DCA) to Castries (SLU) ### September is typically the cheapest month to fly From CA $553 - CA $947 per traveller. ## Frequently asked questions ### How much is a flight from DCA to SLU? > Round-trip journeys between DCA and SLU start from . This is based on fares available within the last 7 days on Expedia for flights departing within the next year — make your booking ASAP so you don't miss out. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from DCA to Vigie Airport? > Each air carrier has its own set of terms and conditions. If you do decide to cancel, follow the instructions on our [Customer Service Portal](https://www.expedia.ca/helpcenter). ### How do I find cheap flights from National Airport to George F. L. Charles Airport (SLU) that have flexible change policies? > Flights from National Airport to George F. L. Charles Airport (SLU) with flexible change policies are available from several carriers. Simply use our "No change fees" filter while searching. You'll only need to cover the cost difference between the two flights, without any extra fees to worry about. ### How far is the flight from DCA to SLU? > The flying distance between DCA (DCA) and Vigie Airport (SLU) is 3,200 kilometres. Listen to your favourite tunes or bury your nose in a book and the journey will zip by. ### Which airlines fly direct from National Airport to George F. L. Charles Airport (SLU)? > At the moment, no airlines offer direct flights from National Airport to George F. L. Charles Airport (SLU). You'll need to book a flight with at least one stop. To get the best price and connections, lock in your airfare ahead of time. ### Are Ronald Reagan Washington National Airport (DCA) to George F. L. Charles Airport (SLU) flight tickets cheaper when they're purchased at the last minute? > It is possible to nab amazing last-minute deals from National Airport to SLU, but it's also possible to miss out altogether! As many airlines release seats up to 12 months in advance, it's worth keeping an eye on fares early and being ready to book when you see a bargain. Expedia compares air carrier prices and updates flight deals all the time, so you can feel confident knowing you're always getting the latest offers. ## Travel information | Origin airport | Ronald Reagan Washington National | | --- | --- | | Destination airport | George F. L. Charles | | Distance | 3159 km | ## Book with confidence ### Washington to Castries Flights **The easy way to book your flights from Washington to Castries**  With Expedia, it’s simple to find and book flights to Castries from Washington 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 Washington to Castries today, tomorrow, or this week.   **Save dollars with cheap flights from Ronald Reagan Washington National, DCA to George F. L. Charles, SLU**  Sort your search results by price to find great deals on your flight from Washington to Castries—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Castries from Washington 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 Washington**  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. ## Explore a world of travel with Expedia - Lodging - Flights - Packages - Cars - Vacation Rental - Other - [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) - [Cheap Hotels in Castries](https://www.expedia.ca/Castries-Hotels-Cheap-Hotels.0-0-d3209-tCheapHotels.Travel-Guide-Filter-Hotels) - [Family Hotels in Castries](https://www.expedia.ca/Castries-Hotels-Family-Hotel.0-0-d3209-tFamilyHotel.Travel-Guide-Filter-Hotels) - [Lgbt Friendly Hotels in Castries](https://www.expedia.ca/Castries-Hotels-LGBT-Friendly-Hotel.0-0-d3209-tLGBTFriendlyHotel.Travel-Guide-Filter-Hotels) - [Luxury Hotels in Castries](https://www.expedia.ca/Castries-Hotels-Luxury-Hotel.0-0-d3209-tLuxuryHotel.Travel-Guide-Filter-Hotels) - [Rex Resorts in Castries](https://www.expedia.ca/Castries-Hotels-Rex-Resorts.0-0-d3209--bRexResorts.Travel-Guide-Filter-Hotels) - [Sandals Resorts in Castries](https://www.expedia.ca/Castries-Hotels-Sandals-Resorts.0-0-d3209--bSandalsResorts.Travel-Guide-Filter-Hotels) - [Castries Hotels](https://www.expedia.ca/Castries-Hotels.d3209.Travel-Guide-Hotels) - [Resorts in Castries](https://www.expedia.ca/Castries-Resort-Hotels.d3209-aaResortHotels.Travel-Guide-Accommodation) - [Villas in Castries](https://www.expedia.ca/Castries-Villas.d3209-aaVillas.Travel-Guide-Accommodation) - [Charlotte Hotels](https://www.expedia.ca/Charlotte-Hotels.d553248635975869653.Travel-Guide-Hotels) - [Hotels near Choc Beach](https://www.expedia.ca/Choc-Beach-Hotels.0-l553248621533157961-0.Travel-Guide-Filter-Hotels) - [Ciceron Hotels](https://www.expedia.ca/Ciceron-Hotels.d553248635975863479.Travel-Guide-Hotels) - [Corinthe Hotels](https://www.expedia.ca/Corinthe-Hotels.d6338485.Travel-Guide-Hotels) - [Coubaril Hotels](https://www.expedia.ca/Coubaril-Castries-Hotels.0-n553248635976397828-0.Travel-Guide-Filter-Hotels) - [Degazon Hotels](https://www.expedia.ca/Degazon-Hotels.d553248635975865911.Travel-Guide-Hotels) - [Hotels near La Toc Beach](https://www.expedia.ca/La-Toc-Beach-Hotels.0-l553248621533157962-0.Travel-Guide-Filter-Hotels) - [All Inclusive Resorts and in Marigot Bay](https://www.expedia.ca/Marigot-Bay-Hotels-All-Inclusive-Hotel.0-0-d601097-tAllInclusiveHotel.Travel-Guide-Filter-Hotels) - [Marigot Bay Hotels](https://www.expedia.ca/Marigot-Bay-Hotels.d601097.Travel-Guide-Hotels) - [Morne Fortune Hotels](https://www.expedia.ca/Morne-Fortune-Hotels.d6338479.Travel-Guide-Hotels) - [Pointe Seraphine Hotels](https://www.expedia.ca/Pointe-Seraphine-Hotels.d6338481.Travel-Guide-Hotels) - [Hotels near Saint Lucia National Archives](https://www.expedia.ca/Saint-Lucia-National-Archives-Hotels.0-l553248621563843877-0.Travel-Guide-Filter-Hotels) - [Hotels near St. Lucia Town Hall](https://www.expedia.ca/St-Lucia-Town-Hall-Hotels.0-l6067633-0.Travel-Guide-Filter-Hotels) - [Trouya Hotels](https://www.expedia.ca/Trouya-Hotels.d6344450.Travel-Guide-Hotels) - [Hotels near Vigie Beach](https://www.expedia.ca/Vigie-Beach-Hotels.0-l6067639-0.Travel-Guide-Filter-Hotels) - [Vigie Hotels](https://www.expedia.ca/Vigie-Castries-Hotels.0-n553248635976397595-0.Travel-Guide-Filter-Hotels) - [Flights to Castries](https://www.expedia.ca/Cheap-Flights-To-Castries.d3209.Travel-Guide-Flights) - [Flights from Dalaman to Castries](https://www.expedia.ca/lp/flights/1031/3209/dalaman-to-castries) - [Flights from Yam Island to Castries](https://www.expedia.ca/lp/flights/10511/3209/yam-island-to-castries) - [Flights from Owando to Castries](https://www.expedia.ca/lp/flights/1261/3209/owando-to-castries) - [Flights from Baltimore to Soufrière](https://www.expedia.ca/lp/flights/178235/9521/baltimore-to-soufriere) - [Flights from Brussels to Soufrière](https://www.expedia.ca/lp/flights/178241/9521/brussels-to-soufriere) - [Flights from Cairo to Soufrière](https://www.expedia.ca/lp/flights/178243/9521/cairo-to-soufriere) - [Flights from Calgary to Castries](https://www.expedia.ca/lp/flights/178245/3209/calgary-to-castries) - [Flights from Calgary to Soufrière](https://www.expedia.ca/lp/flights/178245/9521/calgary-to-soufriere) - [Flights from San Francisco to Castries](https://www.expedia.ca/lp/flights/178305/3209/san-francisco-to-castries) - [Flights from Toronto to Soufrière](https://www.expedia.ca/lp/flights/178314/9521/toronto-to-soufriere) - [Flights from Cancun to Castries](https://www.expedia.ca/lp/flights/179995/3209/cancun-to-castries) - [Flights from Palm Springs to Castries](https://www.expedia.ca/lp/flights/180676/3209/palm-springs-to-castries) - [Flights from Yap to Castries](https://www.expedia.ca/lp/flights/182077/3209/yap-to-castries) - [Flights from Monroe to Castries](https://www.expedia.ca/lp/flights/2352/3209/monroe-to-castries) - [Flights from Oshkosh to Castries](https://www.expedia.ca/lp/flights/2699/3209/oshkosh-to-castries) - [Flights from Roatan to Castries](https://www.expedia.ca/lp/flights/3043/3209/roatan-to-castries) - [Flights from San Andros to Castries](https://www.expedia.ca/lp/flights/3076/3209/san-andros-to-castries) - [Flights from Kingstown to Castries](https://www.expedia.ca/lp/flights/3307/3209/kingstown-to-castries) - [Flights from Tabiteuea South to Castries](https://www.expedia.ca/lp/flights/3548/3209/tabiteuea-south-to-castries) - [Flights from Ciudad Real to Castries](https://www.expedia.ca/lp/flights/5125/3209/ciudad-real-to-castries) - [Flights from Belem to Castries](https://www.expedia.ca/lp/flights/534/3209/belem-to-castries) - [Flights from Kaiserslautern to Castries](https://www.expedia.ca/lp/flights/5430/3209/kaiserslautern-to-castries) - [Flights from São Gabriel da Cachoeira to Castries](https://www.expedia.ca/lp/flights/553248634664609446/3209/sao-gabriel-da-cachoeira-to-castries) - [Flights from Valle Viejo to Castries](https://www.expedia.ca/lp/flights/553248635924011700/3209/valle-viejo-to-castries) - [Flights from Broken Hill to Castries](https://www.expedia.ca/lp/flights/570/3209/broken-hill-to-castries) - [Flights from Barre to Castries](https://www.expedia.ca/lp/flights/6007/3209/barre-to-castries) - [Flights from Liverpool to Castries](https://www.expedia.ca/lp/flights/6046241/3209/liverpool-to-castries) - [Flights from Hobart to Castries](https://www.expedia.ca/lp/flights/6052485/3209/hobart-to-castries) - [Flights from La Paz to Castries](https://www.expedia.ca/lp/flights/6053938/3209/la-paz-to-castries) - [Flights from Frederick to Castries](https://www.expedia.ca/lp/flights/6057476/3209/frederick-to-castries) - [Flights from Bandung to Castries](https://www.expedia.ca/lp/flights/6212470/3209/bandung-to-castries) - [Flights from Babonneau](https://www.expedia.ca/lp/flights/6337746/flights-from-babonneau) - [Flights from Pointe Seraphine](https://www.expedia.ca/lp/flights/6338481/flights-from-pointe-seraphine) - [Flights from Goto to Castries](https://www.expedia.ca/lp/flights/6346405/3209/goto-to-castries) - [Flights from Cicia Island to Castries](https://www.expedia.ca/lp/flights/7864/3209/cicia-island-to-castries) - [Flights from Cape Vogel to Castries](https://www.expedia.ca/lp/flights/945/3209/cape-vogel-to-castries) - [Flights from Sidney to Castries](https://www.expedia.ca/lp/flights/9614/3209/sidney-to-castries) - [Flights from Sanford to Castries](https://www.expedia.ca/lp/flights/9845/3209/sanford-to-castries) - [Visit Babonneau](https://www.expedia.ca/Babonneau.dx6337746) - [Castries Central Market](https://www.expedia.ca/Castries-Central-Market-Castries.d553248621533157783.Vacation-Attraction) - [Visit Coubaril](https://www.expedia.ca/Castries-Coubaril.dx553248635976397828) - [Castries Vacations](https://www.expedia.ca/Castries.d3209.Destination-Travel-Guides) - [Visit Castries](https://www.expedia.ca/Castries.dx3209) - [Cathedral Basilica of the Immaculate Conception](https://www.expedia.ca/Cathedral-Basilica-Of-The-Immaculate-Conception-Castries.d6067585.Vacation-Attraction) - [Choc Beach](https://www.expedia.ca/Choc-Beach-St-Lucia.d553248621533157961.Vacation-Attraction) - [Visit Corinthe](https://www.expedia.ca/Corinthe.dx6338485) - [Derek Walcott Square](https://www.expedia.ca/Derek-Walcott-Square-Castries.d6067571.Vacation-Attraction) - [Eudovic's Art Studio](https://www.expedia.ca/Eudovics-Art-Studio-Castries.d553248635892251881.Vacation-Attraction) - [La Toc Battery](https://www.expedia.ca/La-Toc-Battery-Castries.d6067589.Vacation-Attraction) - [La Toc Beach](https://www.expedia.ca/La-Toc-Beach-Castries.d553248621533157962.Vacation-Attraction) - [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) - [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) - [Marigot Bay Vacation Rentals](https://www.expedia.ca/Marigot-Bay-Vacation-Rentals.d601097.Travel-Guide-VacationRentals) - [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.