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ONT to LIL: distance & flight time
Ontario (Ontario International Airport) → Lille (Lille-Lesquin Airport)
5,567 mi
8,959 km · 4,837 nm
11h 23m
estimated nonstop flight time
+9h
time difference · heading northeast
See live ONT→LIL fares Phone-only fares on this route — call free
Flight time details
5,567 miles nonstop takes roughly 11h 23m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time gain when reading arrival times on your ticket.
The two airports
- ONT — Ontario International Airport · Ontario, 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 ONT
- CCB · Cable Airport6 mi away
- CNO · Chino Airport6 mi away
- LAX · Los Angeles International Airport47 mi away
- RAL · Riverside Municipal Airport11 mi away
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 ONT from LIL?
The flight distance from Ontario (ONT) to Lille (LIL) is 5,567 miles (8,959 km, 4,837 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONT to LIL?
A nonstop flight takes about 11h 23m 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 Ontario and Lille?
Lille is 9 hours ahead of Ontario.
What is the cheapest way to fly from ONT to LIL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONT–LIL that never appear on search engines, with no booking fees.