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DUC to STK: distance & flight time
Duncan (Halliburton Field) → Sterling (Sterling Municipal Airport)
514 mi
828 km · 447 nm
1h 35m
estimated nonstop flight time
-1h
time difference · heading northwest
See live DUC→STK fares Phone-only fares on this route — call free
Flight time details
514 miles nonstop takes roughly 1h 35m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- DUC — Halliburton Field · Duncan, United States
- STK — Sterling Municipal Airport · Sterling, 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 DUC
Near STK
- AKO · Colorado Plains Regional Airport30 mi away
- SNY · Sidney Municipal-Lloyd W Carr Field37 mi away
- DEN · Denver International Airport91 mi away
- GXY · Greeley–Weld County Airport73 mi away
Frequently asked questions
How far is DUC from STK?
The flight distance from Duncan (DUC) to Sterling (STK) is 514 miles (828 km, 447 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DUC to STK?
A nonstop flight takes about 1h 35m 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 Duncan and Sterling?
Sterling is 1 hour behind Duncan.
What is the cheapest way to fly from DUC to STK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DUC–STK that never appear on search engines, with no booking fees.