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SPF to DAY: distance & flight time
Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field) → Dayton (James M Cox Dayton International Airport)
1,047 mi
1,685 km · 910 nm
2h 45m
estimated nonstop flight time
+2h
time difference · heading east
See live SPF→DAY fares Phone-only fares on this route — call free
Flight time details
1,047 miles nonstop takes roughly 2h 45m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- SPF — Black Hills Airport-Clyde Ice Field · Spearfish-South Dakota, United States
- DAY — James M Cox Dayton International Airport · Dayton, 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 DAY
- FFO · Wright-Patterson Air Force Base10 mi away
- SGH · Springfield-Beckley Municipal Airport21 mi away
- MGY · Dayton-Wright Brothers Airport22 mi away
- ILN · Wilmington Airpark40 mi away
Frequently asked questions
How far is SPF from DAY?
The flight distance from Spearfish-South Dakota (SPF) to Dayton (DAY) is 1,047 miles (1,685 km, 910 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPF to DAY?
A nonstop flight takes about 2h 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 time difference between Spearfish-South Dakota and Dayton?
Dayton is 2 hours ahead of Spearfish-South Dakota.
What is the cheapest way to fly from SPF to DAY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPF–DAY that never appear on search engines, with no booking fees.