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SKF to DUC: distance & flight time
San Antonio (Lackland Air Force Base) → Duncan (Halliburton Field)
353 mi
569 km · 307 nm
1h 24m
estimated nonstop flight time
Same time
time difference · heading north
See live SKF→DUC fares Phone-only fares on this route — call free
Flight time details
353 miles nonstop takes roughly 1h 24m gate to gate, flying north. 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
- SKF — Lackland Air Force Base · San Antonio, 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 SKF
- SSF · Stinson Municipal Airport7 mi away
- SAT · San Antonio International Airport12 mi away
- RND · Randolph Air Force Base21 mi away
- AUS · Austin Bergstrom International Airport78 mi away
Near DUC
Frequently asked questions
How far is SKF from DUC?
The flight distance from San Antonio (SKF) to Duncan (DUC) is 353 miles (569 km, 307 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SKF to DUC?
A nonstop flight takes about 1h 24m 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 SKF to DUC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SKF–DUC that never appear on search engines, with no booking fees.