Need help booking?
Unpublished phone-only deals available
DUC to TYS: distance & flight time
Duncan (Halliburton Field) → Knoxville (McGhee Tyson Airport)
794 mi
1,278 km · 690 nm
2h 12m
estimated nonstop flight time
+1h
time difference · heading east
See live DUC→TYS fares Phone-only fares on this route — call free
Flight time details
794 miles nonstop takes roughly 2h 12m gate to gate, flying east. 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
- DUC — Halliburton Field · Duncan, United States
- TYS — McGhee Tyson Airport · Knoxville, 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 DUC
Near TYS
- MMI · McMinn County Airport43 mi away
- HDI · Hardwick Field62 mi away
- CSV · Crossville Memorial Whitson Field62 mi away
- AVL · Asheville Regional Airport86 mi away
Frequently asked questions
How far is DUC from TYS?
The flight distance from Duncan (DUC) to Knoxville (TYS) is 794 miles (1,278 km, 690 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DUC to TYS?
A nonstop flight takes about 2h 12m 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 Knoxville?
Knoxville is 1 hour ahead of Duncan.
What is the cheapest way to fly from DUC to TYS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DUC–TYS that never appear on search engines, with no booking fees.