Need help booking?
Unpublished phone-only deals available
HIO to DUC: distance & flight time
Hillsboro (Portland Hillsboro Airport) → Duncan (Halliburton Field)
1,518 mi
2,444 km · 1,319 nm
3h 27m
estimated nonstop flight time
+2h
time difference · heading east
See live HIO→DUC fares Phone-only fares on this route — call free
Flight time details
1,518 miles nonstop takes roughly 3h 27m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- HIO — Portland Hillsboro Airport · Hillsboro, 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 HIO
- PDX · Portland International Airport17 mi away
- TTD · Portland Troutdale Airport27 mi away
- KLS · Southwest Washington Regional Airport40 mi away
- OTK · Tillamook Airport43 mi away
Near DUC
Frequently asked questions
How far is HIO from DUC?
The flight distance from Hillsboro (HIO) to Duncan (DUC) is 1,518 miles (2,444 km, 1,319 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HIO to DUC?
A nonstop flight takes about 3h 27m 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 Hillsboro and Duncan?
Duncan is 2 hours ahead of Hillsboro.
What is the cheapest way to fly from HIO to DUC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HIO–DUC that never appear on search engines, with no booking fees.