Need help booking?
Unpublished phone-only deals available
DUC to DEF: distance & flight time
Duncan (Halliburton Field) → Dezful (Dezful Airport)
7,324 mi
11,787 km · 6,365 nm
14h 50m
estimated nonstop flight time
+8.5h
time difference · heading northeast
See live DUC→DEF fares Phone-only fares on this route — call free
Flight time details
7,324 miles nonstop takes roughly 14h 50m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8.5-hour time gain when reading arrival times on your ticket.
The two airports
- DUC — Halliburton Field · Duncan, United States
- DEF — Dezful Airport · Dezful, Iran
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 DUC
Near DEF
- KHD · Khoram Abad Airport69 mi away
- AWZ · Ahwaz Airport79 mi away
- OMI · Omidiyeh Airport129 mi away
- MRX · Mahshahr Airport137 mi away
Frequently asked questions
How far is DUC from DEF?
The flight distance from Duncan (DUC) to Dezful (DEF) is 7,324 miles (11,787 km, 6,365 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DUC to DEF?
A nonstop flight takes about 14h 50m 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 Duncan and Dezful?
Dezful is 8.5 hours ahead of Duncan.
What is the cheapest way to fly from DUC to DEF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DUC–DEF that never appear on search engines, with no booking fees.