What’s the cost of a flight from Washington Dulles to Lille?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Washington and Lille.

Choose a date to explore the best fares now.

If possible, avoid holiday periods: ticket prices tend to rise quickly and availability drops, especially on busy routes. Morning and evening flights are often in high demand too — book early to get a good fare.

Which airports near Washington or Lille offer flights?

In many cases, using a nearby airport can improve your chances of finding direct flights or better rates.

• Airports in Washington: 3 airports are active - Dulles international, Ronald Reagan, Washington International.
• Airports in Lille: Lille - Lesquin is the only airport in use at the moment.

Secondary airports can offer faster travel thanks to shorter lines and quicker boarding times than major ones.

Plan your perfect flight from Washington Dulles to Lille

Jetcost gives you full control over your flight search. Filter by date, time, duration, price, and airline. See round-trip and one-way options from low-cost and full-service carriers and more.

Other popular destinations

Planning a trip to France? Other frequent searches include: Lyon, Marseille, Nice, Paris, Toulouse.

Some airlines include baggage in the fare, others don’t — always check the details before booking. If you're looking for round-trip flights, you can easily see the most convenient combinations.