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APA to DUC: distance & flight time
Denver (Centennial Airport) → Duncan (Halliburton Field)
518 mi
834 km · 450 nm
1h 36m
estimated nonstop flight time
+1h
time difference · heading southeast
See live APA→DUC fares Phone-only fares on this route — call free
Flight time details
518 miles nonstop takes roughly 1h 36m 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
- APA — Centennial Airport · Denver, 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 APA
- DEN · Denver International Airport22 mi away
- BFK · Buckley Air Force Base10 mi away
- BJC · Rocky Mountain Metropolitan Airport27 mi away
- WBU · Boulder Municipal Airport38 mi away
Near DUC
Frequently asked questions
How far is APA from DUC?
The flight distance from Denver (APA) to Duncan (DUC) is 518 miles (834 km, 450 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from APA to DUC?
A nonstop flight takes about 1h 36m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from APA to DUC?
Nonstop service on APA–DUC depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 1h 36m nonstop estimate.
What is the time difference between Denver and Duncan?
Duncan is 1 hour ahead of Denver.
What is the cheapest way to fly from APA to DUC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on APA–DUC that never appear on search engines, with no booking fees.
Why are some APA to DUC fares phone-only?
Consolidator contracts let us sell certain APA–DUC tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.