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DUC to DEC: distance & flight time
Duncan (Halliburton Field) → Decatur (Decatur Airport)
622 mi
1,002 km · 541 nm
1h 49m
estimated nonstop flight time
Same time
time difference · heading northeast
See live DUC→DEC fares Phone-only fares on this route — call free
Flight time details
622 miles nonstop takes roughly 1h 49m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- DUC — Halliburton Field · Duncan, United States
- DEC — Decatur Airport · Decatur, 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
Frequently asked questions
How far is DUC from DEC?
The flight distance from Duncan (DUC) to Decatur (DEC) is 622 miles (1,002 km, 541 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DUC to DEC?
A nonstop flight takes about 1h 49m 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 cheapest way to fly from DUC to DEC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DUC–DEC that never appear on search engines, with no booking fees.