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GLS to DUC: distance & flight time
Galveston (Scholes International At Galveston Airport) → Duncan (Halliburton Field)
403 mi
649 km · 350 nm
1h 21m
estimated nonstop flight time
Same time
time difference · heading northwest
See live GLS→DUC fares Phone-only fares on this route — call free
Flight time details
403 miles nonstop takes roughly 1h 21m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- GLS — Scholes International At Galveston Airport · Galveston, 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 GLS
- IAH · George Bush Intercontinental Houston Airport57 mi away
- EFD · Ellington Airport30 mi away
- HOU · William P Hobby Airport36 mi away
- LJN · Texas Gulf Coast Regional Airport38 mi away
Near DUC
Frequently asked questions
How far is GLS from DUC?
The flight distance from Galveston (GLS) to Duncan (DUC) is 403 miles (649 km, 350 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GLS to DUC?
A nonstop flight takes about 1h 21m 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 cheapest way to fly from GLS to DUC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GLS–DUC that never appear on search engines, with no booking fees.