Title: Cheap Flights from Washington (DCA) to Londonderry (LDY) - Expedia.ca ![Peace Bridge which includes a sunset, a bridge and heritage architecture](https://images.trvl-media.com/place/6179540/511ae287-37d1-4c60-be28-7c6823e7bb4c.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 Washington (DCA) to Londonderry (LDY) - [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 Londonderry (LDY-City of Derry) - ![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:ldy,departure:17/10/2025TANYT&leg2=from:ldy,to:dca,departure:24/10/2025TANYT&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:dca,to:ldy,departure:17/10/2025TANYT&leg2=from:ldy,to:dca,departure:24/10/2025TANYT&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:dca,to:ldy,departure:17/10/2025TANYT&leg2=from:ldy,to:dca,departure:24/10/2025TANYT&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:dca,to:ldy,departure:17/10/2025TANYT&leg2=from:ldy,to:dca,departure:24/10/2025TANYT&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:dca,to:ldy,departure:17/10/2025TANYT&leg2=from:ldy,to:dca,departure:24/10/2025TANYT&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:dca,to:ldy,departure:17/10/2025TANYT&leg2=from:ldy,to:dca,departure:24/10/2025TANYT&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:dca,to:ldy,departure:17/10/2025TANYT&leg2=from:ldy,to:dca,departure:24/10/2025TANYT&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) ## Frequently asked questions ### How much is a flight from National Airport to City of Derry Airport (LDY)? > The lowest price advertised for a round-trip journey between DCA and Eglinton Airport is . But you better act fast. This price is taken from fares listed 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 DCA to City of Derry Airport (LDY)? > Each air carrier has different terms and conditions. If you decide to cancel your escape, head to our [Customer Service Portal](https://www.expedia.ca/helpcenter). ### How do I find cheap flights from DCA to City of Derry Airport (LDY) that have flexible change policies? > Select our "No change fees" filter to find flexible ticketing options for your flight from DCA to LDY. This allows you to lock in a low rate ahead of time and still have the freedom to make changes without any extra fees. You'll just need to pay the difference in fare. ### How far is the flight from DCA to Eglinton Airport? > You'll have 5,400 kilometres to cover on the long-haul Arlington to Londonderry route. Wear comfy clothes and consider taking some noise-cancelling headphones and a sleep mask. ### Which airlines fly direct from DCA to LDY? > If you want to travel straight from National Airport to City of Derry Airport (LDY), you'll need to book a flight with at least one stop. Unfortunately, there are no airlines that fly directly between these airports. ### Are Ronald Reagan Washington National Airport (DCA) to LDY flight tickets cheaper when they're purchased at the last minute? > Late planners can occasionally score a bargain, with some super cheap fares from DCA to LDY showing up a few weeks before the departure date. If you'd rather plan ahead, Expedia compares and updates the best flight deals regularly — as early as a year in advance in some cases. It does depend on the carrier though, as not all airlines release prices that far in advance. ## Travel information | Origin airport | Ronald Reagan Washington National | | --- | --- | | Destination airport | City of Derry | | Distance | 5319 km | ## Book with confidence ### Washington to Londonderry Flights **The easy way to book your flights from Washington to Londonderry**  With Expedia, it’s simple to find and book flights to Londonderry 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 City of Derry, 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 Londonderry today, tomorrow, or this week.   **Save dollars with cheap flights from Ronald Reagan Washington National, DCA to City of Derry, LDY**  Sort your search results by price to find great deals on your flight from Washington to Londonderry—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Londonderry 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 Londonderry   - 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 Londonderry 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 Londonderry with Expedia today. ## Explore a world of travel with Expedia - Lodging - Flights - Packages - Cars - Vacation Rental - Other - [Ballykelly Hotels](https://www.expedia.ca/Ballykelly-Hotels.d6174243.Travel-Guide-Hotels) - [Campsie Hotels](https://www.expedia.ca/Campsie-Hotels.d182711.Travel-Guide-Hotels) - [Drumahoe Hotels](https://www.expedia.ca/Drumahoe-Hotels.d3000699064.Travel-Guide-Hotels) - [Eglinton Hotels](https://www.expedia.ca/Eglinton-Hotels.d3000383299.Travel-Guide-Hotels) - [Apartments in Londonderry](https://www.expedia.ca/Londonderry-Apartments.d2038-aaApartments.Travel-Guide-Accommodation) - [B&B in Londonderry](https://www.expedia.ca/Londonderry-Bed-And-Breakfast.d2038-aaBedAndBreakfast.Travel-Guide-Accommodation) - [Cabin Rentals in Londonderry](https://www.expedia.ca/Londonderry-Cabins.d2038-aaCabins.Travel-Guide-Accommodation) - [Hostels in Londonderry](https://www.expedia.ca/Londonderry-Hostels.d2038-aaHostels.Travel-Guide-Accommodation) - 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