Need help booking?
Unpublished phone-only deals available
ONO to DUC: distance & flight time
Ontario (Ontario Municipal Airport) → Duncan (Halliburton Field)
1,210 mi
1,947 km · 1,051 nm
3h 6m
estimated nonstop flight time
+1h
time difference · heading southeast
See live ONO→DUC fares Phone-only fares on this route — call free
Flight time details
1,210 miles nonstop takes roughly 3h 6m 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
- ONO — Ontario Municipal Airport · Ontario, 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 ONO
- BOI · Boise Air Terminal/Gowen Field50 mi away
- BKE · Baker City Municipal Airport69 mi away
- MYL · McCall Municipal Airport75 mi away
- MUO · Mountain Home Air Force Base88 mi away
Near DUC
Frequently asked questions
How far is ONO from DUC?
The flight distance from Ontario (ONO) to Duncan (DUC) is 1,210 miles (1,947 km, 1,051 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONO to DUC?
A nonstop flight takes about 3h 6m 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 Ontario and Duncan?
Duncan is 1 hour ahead of Ontario.
What is the cheapest way to fly from ONO to DUC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONO–DUC that never appear on search engines, with no booking fees.