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ASE to DUC: distance & flight time
Aspen (Aspen-Pitkin Co/Sardy Field) → Duncan (Halliburton Field)
592 mi
952 km · 514 nm
1h 45m
estimated nonstop flight time
+1h
time difference · heading southeast
See live ASE→DUC fares Phone-only fares on this route — call free
Flight time details
592 miles nonstop takes roughly 1h 45m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- ASE — Aspen-Pitkin Co/Sardy Field · Aspen, 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 ASE
- EGE · Eagle County Regional Airport29 mi away
- GUC · Gunnison Crested Butte Regional Airport48 mi away
- RIL · Garfield County Regional Airport50 mi away
- MTJ · Montrose Regional Airport74 mi away
Near DUC
Frequently asked questions
How far is ASE from DUC?
The flight distance from Aspen (ASE) to Duncan (DUC) is 592 miles (952 km, 514 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ASE to DUC?
A nonstop flight takes about 1h 45m 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 Aspen and Duncan?
Duncan is 1 hour ahead of Aspen.
What is the cheapest way to fly from ASE to DUC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ASE–DUC that never appear on search engines, with no booking fees.