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SPI to DUC: distance & flight time
Springfield (Abraham Lincoln Capital Airport) → Duncan (Halliburton Field)
588 mi
946 km · 511 nm
1h 45m
estimated nonstop flight time
Same time
time difference · heading southwest
See live SPI→DUC fares Phone-only fares on this route — call free
Flight time details
588 miles nonstop takes roughly 1h 45m gate to gate, flying southwest. 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
- SPI — Abraham Lincoln Capital Airport · Springfield, 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 SPI
Near DUC
Frequently asked questions
How far is SPI from DUC?
The flight distance from Springfield (SPI) to Duncan (DUC) is 588 miles (946 km, 511 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPI to DUC?
A nonstop flight takes about 1h 45m 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 SPI to DUC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPI–DUC that never appear on search engines, with no booking fees.