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OLS to DUC: distance & flight time
Nogales (Nogales International Airport) → Duncan (Halliburton Field)
776 mi
1,249 km · 674 nm
2h 9m
estimated nonstop flight time
+2h
time difference · heading east
See live OLS→DUC fares Phone-only fares on this route — call free
Flight time details
776 miles nonstop takes roughly 2h 9m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- OLS — Nogales International Airport · Nogales, 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 OLS
- NOG · Nogales International Airport15 mi away
- FHU · Sierra Vista Municipal Libby Army Air Field32 mi away
- TUS · Tucson International Airport49 mi away
- DMA · Davis Monthan Air Force Base52 mi away
Near DUC
Frequently asked questions
How far is OLS from DUC?
The flight distance from Nogales (OLS) to Duncan (DUC) is 776 miles (1,249 km, 674 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OLS to DUC?
A nonstop flight takes about 2h 9m 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 Nogales and Duncan?
Duncan is 2 hours ahead of Nogales.
What is the cheapest way to fly from OLS to DUC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OLS–DUC that never appear on search engines, with no booking fees.