Need help booking?
Unpublished phone-only deals available
GEG to DUC: distance & flight time
Spokane (Spokane International Airport) → Duncan (Halliburton Field)
1,359 mi
2,187 km · 1,181 nm
3h 25m
estimated nonstop flight time
+2h
time difference · heading southeast
See live GEG→DUC fares Phone-only fares on this route — call free
Flight time details
1,359 miles nonstop takes roughly 3h 25m gate to gate, flying southeast. 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
- GEG — Spokane International Airport · Spokane, 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 GEG
- SKA · Fairchild Air Force Base6 mi away
- SFF · Felts Field11 mi away
- COE · Coeur D'Alene - Pappy Boyington Field35 mi away
- PUW · Pullman Moscow Regional Airport64 mi away
Near DUC
Frequently asked questions
How far is GEG from DUC?
The flight distance from Spokane (GEG) to Duncan (DUC) is 1,359 miles (2,187 km, 1,181 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GEG to DUC?
A nonstop flight takes about 3h 25m 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 Spokane and Duncan?
Duncan is 2 hours ahead of Spokane.
What is the cheapest way to fly from GEG to DUC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GEG–DUC that never appear on search engines, with no booking fees.