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IDA to DUC: distance & flight time
Idaho Falls (Idaho Falls Regional Airport) → Duncan (Halliburton Field)
980 mi
1,577 km · 851 nm
2h 36m
estimated nonstop flight time
+1h
time difference · heading southeast
See live IDA→DUC fares Phone-only fares on this route — call free
Flight time details
980 miles nonstop takes roughly 2h 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
- IDA — Idaho Falls Regional Airport · Idaho Falls, 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 IDA
- PIH · Pocatello Regional Airport49 mi away
- JAC · Jackson Hole Airport67 mi away
- WYS · Yellowstone Airport94 mi away
- BYI · Burley Municipal Airport109 mi away
Near DUC
Frequently asked questions
How far is IDA from DUC?
The flight distance from Idaho Falls (IDA) to Duncan (DUC) is 980 miles (1,577 km, 851 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IDA to DUC?
A nonstop flight takes about 2h 36m 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 Idaho Falls and Duncan?
Duncan is 1 hour ahead of Idaho Falls.
What is the cheapest way to fly from IDA to DUC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IDA–DUC that never appear on search engines, with no booking fees.