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LAF to DUC: distance & flight time
Lafayette (Purdue University Airport) → Duncan (Halliburton Field)
730 mi
1,175 km · 634 nm
2h 3m
estimated nonstop flight time
-1h
time difference · heading southwest
See live LAF→DUC fares Phone-only fares on this route — call free
Flight time details
730 miles nonstop takes roughly 2h 3m gate to gate, flying southwest. 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
- LAF — Purdue University Airport · Lafayette, 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 LAF
- DNV · Vermilion Regional Airport38 mi away
- RNZ · Jasper County Airport39 mi away
- GUS · Grissom Air Reserve Base44 mi away
- OKK · Kokomo Municipal Airport47 mi away
Near DUC
Frequently asked questions
How far is LAF from DUC?
The flight distance from Lafayette (LAF) to Duncan (DUC) is 730 miles (1,175 km, 634 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LAF 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 Lafayette and Duncan?
Duncan is 1 hour behind Lafayette.
What is the cheapest way to fly from LAF to DUC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LAF–DUC that never appear on search engines, with no booking fees.