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FNL to BLL: distance & flight time
Fort Collins (Northern Colorado Regional Airport) → Billund (Billund Airport)
4,757 mi
7,655 km · 4,133 nm
9h 48m
estimated nonstop flight time
+8h
time difference · heading northeast
See live FNL→BLL fares Phone-only fares on this route — call free
Flight time details
4,757 miles nonstop takes roughly 9h 48m 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
- BLL — Billund Airport · Billund, Denmark
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 BLL
- EBJ · Esbjerg Airport28 mi away
- STA · Stauning Airport35 mi away
- SKS · Skrydstrup Air Base36 mi away
- KRP · Karup Airport39 mi away
Frequently asked questions
How far is FNL from BLL?
The flight distance from Fort Collins (FNL) to Billund (BLL) is 4,757 miles (7,655 km, 4,133 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FNL to BLL?
A nonstop flight takes about 9h 48m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from FNL to BLL?
Nonstop service on FNL–BLL depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 9h 48m nonstop estimate.
What is the time difference between Fort Collins and Billund?
Billund is 8 hours ahead of Fort Collins.
What is the cheapest way to fly from FNL to BLL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FNL–BLL that never appear on search engines, with no booking fees.
Why are some FNL to BLL fares phone-only?
Consolidator contracts let us sell certain FNL–BLL tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.