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FNL to DUC: distance & flight time
Fort Collins (Northern Colorado Regional Airport) → Duncan (Halliburton Field)
566 mi
910 km · 491 nm
1h 42m
estimated nonstop flight time
+1h
time difference · heading southeast
See live FNL→DUC fares Phone-only fares on this route — call free
Flight time details
566 miles nonstop takes roughly 1h 42m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- FNL — Northern Colorado Regional Airport · Fort Collins, United States
- DUC — Halliburton Field · Duncan, 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 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 DUC
Frequently asked questions
How far is FNL from DUC?
The flight distance from Fort Collins (FNL) to Duncan (DUC) is 566 miles (910 km, 491 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FNL to DUC?
A nonstop flight takes about 1h 42m 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 Duncan?
Duncan is 1 hour ahead of Fort Collins.
What is the cheapest way to fly from FNL to DUC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FNL–DUC that never appear on search engines, with no booking fees.