Cheap Flights from Lille (LIL) to Washington (DCA)

Popular airlines from Lille (LIL-Lesquin) to Ronald Reagan Washington National Airport (DCA)

Frequently asked questions

How much does a flight from Lesquin Airport (LIL) to Ronald Reagan Washington National Airport (DCA) cost?
Get a cheap one-way flight or cheap return flight from Lesquin Airport (LIL) to Ronald Reagan Washington National Airport (DCA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Lesquin Airport (LIL) to Ronald Reagan Washington National Airport (DCA)?
Flying in is a good way to save, as it's the cheapest month for flights between LIL and DCA. You'll often find the lowest fares during the off-season.
What is the cheapest airline that flies from Lesquin Airport (LIL) to Ronald Reagan Washington National Airport (DCA)?
To find the cheapest airline that'll fly you from LIL to DCA, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Lesquin Airport (LIL) to Ronald Reagan Washington National Airport (DCA)?
There are no daily direct flights available from Lesquin Airport (LIL) to Ronald Reagan Washington National Airport (DCA). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from LIL to DCA?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lesquin Airport (LIL) to Ronald Reagan Washington National Airport (DCA)?
Choose a flight from Lesquin Airport (LIL) to Ronald Reagan Washington National Airport (DCA) that takes off before 3 PM to reduce the risk of cancellations. Departures after this hour have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Lesquin Airport (LIL) to Ronald Reagan Washington National Airport (DCA) last-minute?
Booking your flight from LIL to DCA just before your journey is typically more expensive. But if you're flexible with your travel dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a LIL to DCA flight and hotel package?
You'll typically save money by booking a LIL to DCA flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. After selecting your preferred accommodations and flights, you can add extras such as activities, car rentals and tours.
Can I cancel or change the date of my flight from Lesquin Airport (LIL) to Ronald Reagan Washington National Airport (DCA)?
Typically, you're able to reschedule or cancel your LIL to DCA flight. However, there may be additional fees, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you need more information, head to our Customer Service portal.

Travel information

Origin airport
Lesquin
Destination airport
Ronald Reagan Washington National
Distance
3821 mi

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Lille to Washington Flights

The cheapest times to fly from Lille to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Lille to Washington are during the month of . You can find some of the cheapest flights from Lille to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Lille to Washington

Sunday is one of the best days to book for cheap flights from Lille to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Lille to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Lille to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Lille to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Lille to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Lille to Washington Flights

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*Available to One Key members.