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LGG to UGN: distance & flight time
Liege (Liège Airport) → Chicago (Waukegan National Airport)
4,171 mi
6,712 km · 3,624 nm
8h 39m
estimated nonstop flight time
-7h
time difference · heading northwest
See live LGG→UGN fares Phone-only fares on this route — call free
Flight time details
4,171 miles nonstop takes roughly 8h 39m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time set-back when reading arrival times on your ticket.
The two airports
- LGG — Liège Airport · Liege, Belgium
- UGN — Waukegan National Airport · Chicago, 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 LGG
- MST · Maastricht Aachen Airport24 mi away
- GKE · Geilenkirchen Air Base34 mi away
- AAH · Aachen-Merzbrück Airport35 mi away
- CRL · Brussels South Charleroi Airport45 mi away
Near UGN
- ORD · Chicago O'Hare International Airport31 mi away
- ENW · Kenosha Regional Airport12 mi away
- PWK · Chicago Executive Airport21 mi away
- RAC · John H Batten Airport24 mi away
Frequently asked questions
How far is LGG from UGN?
The flight distance from Liege (LGG) to Chicago (UGN) is 4,171 miles (6,712 km, 3,624 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LGG to UGN?
A nonstop flight takes about 8h 39m 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 Liege and Chicago?
Chicago is 7 hours behind Liege.
What is the cheapest way to fly from LGG to UGN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LGG–UGN that never appear on search engines, with no booking fees.