Trip.com
>
Flights
>
Flights to France
>
Flights to Hauts-De-France
>
Flights to Lille
>
Flights from Washington D.C. to Lille

Cheap flight deals from Washington D.C. to Lille

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

  • Round-trip
  • One way

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flight Info | Washington D.C. to Lille

Cheapest one-way flight price AED 3,897
Off-season for travel May
Peak season for travel March
Flight distance 6,146.85 km
Popular airline Royal Air Maroc

When is the cheapest time to fly from Washington D.C. to Lille?

We monitor flight fares to help you find the best deals effortlessly

Cheapest flights
From price
Search
  • 11 18
  • 18 25

  • Jun

    25 1
  • 1 8
  • 8 15
  • 15 22
  • 22 29

  • Jul

    29 6
  • 6 13
  • 13 20
  • 20 27

  • Aug

    27 3
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from Washington D.C. (WAS) to Lille (LIL) the cheapest?

    Airlines adjust prices for flights from Washington D.C. to Lille based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Washington D.C. (WAS) to Lille (LIL) cost?

    According to Trip.com's data, the lowest price is around AED 5,821.

  • How many airports are there in Lille (LIL)?

    There are 1 airport(s) near Lille (LIL): Lille Airport.

How to find a cheap flight from Washington D.C. to Lille

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Washington D.C. to Lille. Book your flights at the right time and save more.
1
Being flexible with your dates to get the cheapest Washington D.C. to Lille ticket.
Tap "Date" on flight search bar to scan through the calender for Washington D.C. to Lille airfare over next 6 months in 2025. If you would like to fly in next 3 months, it seems the cheapest date is on Fri, May 30 at AED 3898 for one-way flights.
2
Compare cheap Washington D.C. to Lille flight deals from over hundreds of airlines.
Our extensive search allows you to compare prices from over 500 airlines to choose the cheapest flight tickets from Washington D.C. to Lille. The cheapest airline operating is Royal Air Maroc.
3
Set up a Price Alert
By setting up a Price Alert for your Washington D.C. to Lille route, you can easily track the price of your airline tickets from without manually checking every day.
4
Don't miss cheap Washington D.C. to Lille flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights. If registering a free membership, you can receive more deals for your flights.
5
Book early or wait unitl the last minute.
It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.
6
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com and search for cheap flight tickets from Washington D.C. to Lille to get exclusive deals for you.

More Travel Options

  • Top Routes from Washington D.C.
  • Top Routes to Lille
  • Trending Airlines