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LIL to HLN: distance & flight time
Lille (Lille-Lesquin Airport) → Helena (Helena Regional Airport)
4,691 mi
7,550 km · 4,076 nm
9h 40m
estimated nonstop flight time
-8h
time difference · heading northwest
See live LIL→HLN fares Phone-only fares on this route — call free
Flight time details
4,691 miles nonstop takes roughly 9h 40m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time set-back when reading arrival times on your ticket.
The two airports
- LIL — Lille-Lesquin Airport · Lille, France
- HLN — Helena Regional Airport · Helena, 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 HLN
- BTM · Bert Mooney Airport51 mi away
- GTF · Great Falls International Airport67 mi away
- BZN · Gallatin Field70 mi away
- LVM · Mission Field97 mi away
Frequently asked questions
How far is LIL from HLN?
The flight distance from Lille (LIL) to Helena (HLN) is 4,691 miles (7,550 km, 4,076 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LIL to HLN?
A nonstop flight takes about 9h 40m 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 Helena?
Helena is 8 hours behind Lille.
What is the cheapest way to fly from LIL to HLN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LIL–HLN that never appear on search engines, with no booking fees.