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DUC to SPF: distance & flight time
Duncan (Halliburton Field) → Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field)
758 mi
1,219 km · 658 nm
2h 7m
estimated nonstop flight time
-1h
time difference · heading north
See live DUC→SPF fares Phone-only fares on this route — call free
Flight time details
758 miles nonstop takes roughly 2h 7m gate to gate, flying north. 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
- SPF — Black Hills Airport-Clyde Ice Field · Spearfish-South Dakota, 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 SPF
- RCA · Ellsworth Air Force Base41 mi away
- RAP · Rapid City Regional Airport47 mi away
- GCC · Gillette Campbell County Airport87 mi away
- CDR · Chadron Municipal Airport119 mi away
Frequently asked questions
How far is DUC from SPF?
The flight distance from Duncan (DUC) to Spearfish-South Dakota (SPF) is 758 miles (1,219 km, 658 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DUC to SPF?
A nonstop flight takes about 2h 7m 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 Spearfish-South Dakota?
Spearfish-South Dakota is 1 hour behind Duncan.
What is the cheapest way to fly from DUC to SPF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DUC–SPF that never appear on search engines, with no booking fees.