Need help booking?
Unpublished phone-only deals available
LIL to ONT: distance & flight time
Lille (Lille-Lesquin Airport) → Ontario (Ontario International Airport)
5,567 mi
8,959 km · 4,837 nm
11h 23m
estimated nonstop flight time
-9h
time difference · heading northwest
See live LIL→ONT fares Phone-only fares on this route — call free
Flight time details
5,567 miles nonstop takes roughly 11h 23m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time set-back when reading arrival times on your ticket.
The two airports
- LIL — Lille-Lesquin Airport · Lille, France
- ONT — Ontario International Airport · Ontario, United States
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 LIL
- KJK · Wevelgem Airport18 mi away
- HZB · Merville-Calonne Airport20 mi away
- XVS · Valenciennes-Denain Airport23 mi away
- BYF · Albert-Bray Airport44 mi away
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
Frequently asked questions
How far is LIL from ONT?
The flight distance from Lille (LIL) to Ontario (ONT) 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 LIL to ONT?
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 Lille and Ontario?
Ontario is 9 hours behind Lille.
What is the cheapest way to fly from LIL to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LIL–ONT that never appear on search engines, with no booking fees.