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SPF to ONO: distance & flight time
Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field) → Ontario (Ontario Municipal Airport)
655 mi
1,054 km · 569 nm
1h 53m
estimated nonstop flight time
Same time
time difference · heading west
See live SPF→ONO fares Phone-only fares on this route — call free
Flight time details
655 miles nonstop takes roughly 1h 53m gate to gate, flying west. 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
- SPF — Black Hills Airport-Clyde Ice Field · Spearfish-South Dakota, United States
- ONO — Ontario Municipal Airport · Ontario, 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 SPF
- RCA · Ellsworth Air Force Base41 mi away
- RAP · Rapid City Regional Airport47 mi away
- GCC · Gillette Campbell County Airport87 mi away
- CDR · Chadron Municipal Airport119 mi away
Near ONO
- BOI · Boise Air Terminal/Gowen Field50 mi away
- BKE · Baker City Municipal Airport69 mi away
- MYL · McCall Municipal Airport75 mi away
- MUO · Mountain Home Air Force Base88 mi away
Frequently asked questions
How far is SPF from ONO?
The flight distance from Spearfish-South Dakota (SPF) to Ontario (ONO) is 655 miles (1,054 km, 569 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPF to ONO?
A nonstop flight takes about 1h 53m 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 SPF to ONO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPF–ONO that never appear on search engines, with no booking fees.