Title: Cheap Flights from Castries (SLU) to Washington (IAD) - Expedia.ca ![Chantilly, France - December 2013: The chateau at Chantilly](https://images.trvl-media.com/place/8638/8a4635fc-37fb-4de8-b687-777b12acac2c.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://a.travel-assets.com/travel-assets-manager/fallback-images-brand/bex_flights_v2.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Castries (SLU) to Washington (IAD) - [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 George F. L. Charles Airport (SLU) to Washington Dulles International Airport (IAD) - ![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:slu,to:iad,departure:20/10/2025TANYT&leg2=from:iad,to:slu,departure:27/10/2025TANYT&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:slu,to:iad,departure:20/10/2025TANYT&leg2=from:iad,to:slu,departure:27/10/2025TANYT&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:slu,to:iad,departure:20/10/2025TANYT&leg2=from:iad,to:slu,departure:27/10/2025TANYT&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:slu,to:iad,departure:20/10/2025TANYT&leg2=from:iad,to:slu,departure:27/10/2025TANYT&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:slu,to:iad,departure:20/10/2025TANYT&leg2=from:iad,to:slu,departure:27/10/2025TANYT&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:slu,to:iad,departure:20/10/2025TANYT&leg2=from:iad,to:slu,departure:27/10/2025TANYT&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:slu,to:iad,departure:20/10/2025TANYT&leg2=from:iad,to:slu,departure:27/10/2025TANYT&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 Castries to Washington (SLU - IAD) route information | Origin airport | George F. L. Charles | | --- | --- | | Destination airport | Washington Dulles Intl. | | Distance | 3188 km | ## Castries to Chantilly Flights **The easy way to book your flights from Castries to Washington**  With Expedia, it’s simple to find and book flights to Washington from Castries 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 Washington Dulles Intl., 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 Castries to Washington today, tomorrow, or this week.   **Save dollars with cheap flights from George F. L. Charles, SLU to Washington Dulles Intl., IAD**  Sort your search results by price to find great deals on your flight from Castries to Washington—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Washington from Castries 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 Washington   - 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 Washington from Castries**  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 Washington with Expedia today. ## Frequently asked questions ### How much is a flight from Vigie Airport to IAD? > The lowest price advertised for a round-trip journey between SLU and Dulles Intl. Airport is . But you better get moving. This price is taken from fares offered within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Vigie Airport to IAD? > Every air carrier has its own terms and conditions. If you do decide to cancel, follow the simple instructions on our [Customer Service Portal](https://www.expedia.ca/helpcenter). ### How do I find cheap flights from Vigie Airport to Dulles Intl. Airport that have flexible change policies? > Select our "No change fees" filter to find flexible travel options for your flight from George F. L. Charles Airport (SLU) to IAD. This allows you to snag a good price ahead of time and still have the freedom to reschedule without any additional fees. Keep in mind that you'll need to cover the fare difference. ### How far is the flight from SLU to Washington Dulles Intl. Airport (IAD)? > The flight distance from Castries to Chantilly is 3,200 kilometres. Bring a drink, a few snacks and a good movie. Keep yourself occupied and time will zip by. ### Which airlines fly direct from Vigie Airport to Dulles Intl. Airport? > You won't find any airlines operating directly between SLU and Washington Dulles Intl. Airport (IAD), so be ready to make at least one stop on your journey. A layover, whether short or long, can be a welcome way to break up a trip! ### Are Vigie Airport to Washington Dulles Intl. Airport (IAD) flight tickets cheaper when they're purchased at the last minute? > Late planners can sometimes score a bargain, with some of the cheapest fares from Vigie Airport to IAD emerging a few weeks prior to the departure date. If you'd rather plan ahead of time, Expedia compares and updates all the best flight deals regularly — as early as a year in advance in some cases. 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