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IAD to LIL: distance & flight time
Washington (Washington Dulles International Airport) → Lille (Lille-Lesquin Airport)
3,834 mi
6,170 km · 3,331 nm
7h 59m
estimated nonstop flight time
+6h
time difference · heading northeast
See live IAD→LIL fares Phone-only fares on this route — call free
Flight time details
3,834 miles nonstop takes roughly 7h 59m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- IAD — Washington Dulles International Airport · Washington, United States
- LIL — Lille-Lesquin Airport · Lille, France
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near IAD
Near LIL
- KJK · Wevelgem Airport18 mi away
- HZB · Merville-Calonne Airport20 mi away
- XVS · Valenciennes-Denain Airport23 mi away
- BYF · Albert-Bray Airport44 mi away
Frequently asked questions
How far is IAD from LIL?
The flight distance from Washington (IAD) to Lille (LIL) is 3,834 miles (6,170 km, 3,331 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to LIL?
A nonstop flight takes about 7h 59m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Washington and Lille?
Lille is 6 hours ahead of Washington.
What is the cheapest way to fly from IAD to LIL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–LIL that never appear on search engines, with no booking fees.