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FNL to LGG: distance & flight time
Fort Collins (Northern Colorado Regional Airport) → Liege (Liège Airport)
4,875 mi
7,845 km · 4,236 nm
10h 1m
estimated nonstop flight time
+8h
time difference · heading northeast
See live FNL→LGG fares Phone-only fares on this route — call free
Flight time details
4,875 miles nonstop takes roughly 10h 1m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time gain when reading arrival times on your ticket.
The two airports
- FNL — Northern Colorado Regional Airport · Fort Collins, United States
- LGG — Liège Airport · Liege, Belgium
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 FNL
- DEN · Denver International Airport45 mi away
- GXY · Greeley–Weld County Airport20 mi away
- WBU · Boulder Municipal Airport31 mi away
- BJC · Rocky Mountain Metropolitan Airport38 mi away
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
Frequently asked questions
How far is FNL from LGG?
The flight distance from Fort Collins (FNL) to Liege (LGG) is 4,875 miles (7,845 km, 4,236 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FNL to LGG?
A nonstop flight takes about 10h 1m 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 Fort Collins and Liege?
Liege is 8 hours ahead of Fort Collins.
What is the cheapest way to fly from FNL to LGG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FNL–LGG that never appear on search engines, with no booking fees.