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LOU to DUC: distance & flight time
Louisville (Bowman Field) → Duncan (Halliburton Field)
731 mi
1,177 km · 635 nm
2h 3m
estimated nonstop flight time
-1h
time difference · heading west
See live LOU→DUC fares Phone-only fares on this route — call free
Flight time details
731 miles nonstop takes roughly 2h 3m gate to gate, flying west. 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
- LOU — Bowman Field · Louisville, 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 LOU
- SDF · Louisville International Standiford Field5 mi away
- FTK · Godman Army Air Field28 mi away
- FFT · Capital City Airport41 mi away
- LEX · Blue Grass Airport59 mi away
Near DUC
Frequently asked questions
How far is LOU from DUC?
The flight distance from Louisville (LOU) to Duncan (DUC) is 731 miles (1,177 km, 635 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LOU to DUC?
A nonstop flight takes about 2h 3m 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 Louisville and Duncan?
Duncan is 1 hour behind Louisville.
What is the cheapest way to fly from LOU to DUC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LOU–DUC that never appear on search engines, with no booking fees.