Need help booking?
Unpublished phone-only deals available
WBU to SPF: distance & flight time
Boulder (Boulder Municipal Airport) → Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field)
316 mi
508 km · 274 nm
1h 18m
estimated nonstop flight time
Same time
time difference · heading north
See live WBU→SPF fares Phone-only fares on this route — call free
Flight time details
316 miles nonstop takes roughly 1h 18m 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
- WBU — Boulder Municipal Airport · Boulder, United States
- SPF — Black Hills Airport-Clyde Ice Field · Spearfish-South Dakota, 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 WBU
- DEN · Denver International Airport32 mi away
- BJC · Rocky Mountain Metropolitan Airport11 mi away
- FNL · Northern Colorado Regional Airport31 mi away
- BFK · Buckley Air Force Base34 mi away
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
Frequently asked questions
How far is WBU from SPF?
The flight distance from Boulder (WBU) to Spearfish-South Dakota (SPF) is 316 miles (508 km, 274 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from WBU to SPF?
A nonstop flight takes about 1h 18m 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 WBU to SPF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on WBU–SPF that never appear on search engines, with no booking fees.