Title: Cheap Flights from Washington (IAD) 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 (IAD) 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 Washington Dulles International Airport (IAD) 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:iad,to:slu,departure:31/10/2025TANYT&leg2=from:slu,to:iad,departure:07/11/2025TANYT&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:iad,to:slu,departure:31/10/2025TANYT&leg2=from:slu,to:iad,departure:07/11/2025TANYT&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:iad,to:slu,departure:31/10/2025TANYT&leg2=from:slu,to:iad,departure:07/11/2025TANYT&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:iad,to:slu,departure:31/10/2025TANYT&leg2=from:slu,to:iad,departure:07/11/2025TANYT&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:iad,to:slu,departure:31/10/2025TANYT&leg2=from:slu,to:iad,departure:07/11/2025TANYT&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:iad,to:slu,departure:31/10/2025TANYT&leg2=from:slu,to:iad,departure:07/11/2025TANYT&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:iad,to:slu,departure:31/10/2025TANYT&leg2=from:slu,to:iad,departure:07/11/2025TANYT&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) ## Frequently asked questions ### How much is a flight from Dulles Intl. Airport to Vigie Airport? > The lowest price advertised for a round-trip journey from Dulles Intl. Airport to Vigie Airport is . But you better act soon. This price is based on fares quoted 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 Washington Dulles Intl. Airport (IAD) to SLU? > Each air carrier has its own 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 IAD to Vigie Airport that have flexible change policies? > Flights from Washington Dulles Intl. Airport (IAD) to SLU with flexible change policies are available with many carriers. Simply use our "No change fees" filter during your search. You'll only need to cover the difference in ticket price, without any extra fees to worry about. ### How far is the flight from Dulles Intl. Airport to SLU? > It's around 3,200 kilometres from Washington Dulles Intl. Airport (IAD) to SLU, so expect to be up in the air for a while. Keep yourself entertained by packing things like your e-reader or the latest bestseller. ### Which airlines fly direct from Dulles Intl. Airport to SLU? > If you want to fly straight from Dulles Intl. Airport to SLU, you'll need to book a flight with one or more stops. Unfortunately, there aren't any airlines that fly directly on this route. ### Are IAD to SLU flight tickets cheaper when they're purchased at the last minute? > Booking your trip from Washington Dulles Intl. Airport (IAD) to Vigie Airport at the last minute could be your ticket to a great deal. However, you might miss out on a flight altogether! If you'd rather err on the side of caution, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to 12 months in advance. If your preferred air carrier hasn't released tickets yet, check back regularly as deals are updated on Expedia all the time. ## Travel information | Origin airport | Washington Dulles Intl. | | --- | --- | | Destination airport | George F. L. Charles | | Distance | 3188 km | ## Book with confidence ### Chantilly 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 Washington Dulles Intl., IAD 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. 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