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SPF to RDR: distance & flight time
Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field) → Red River (Grand Forks Air Force Base)
388 mi
625 km · 337 nm
1h 29m
estimated nonstop flight time
+1h
time difference · heading northeast
See live SPF→RDR fares Phone-only fares on this route — call free
Flight time details
388 miles nonstop takes roughly 1h 29m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-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
- RDR — Grand Forks Air Force Base · Red River, 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 RDR
- GFK · Grand Forks International Airport10 mi away
- TVF · Thief River Falls Regional Airport57 mi away
- PMB · Pembina Municipal Airport68 mi away
- DVL · Devils Lake Regional Airport70 mi away
Frequently asked questions
How far is SPF from RDR?
The flight distance from Spearfish-South Dakota (SPF) to Red River (RDR) is 388 miles (625 km, 337 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPF to RDR?
A nonstop flight takes about 1h 29m 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 Red River?
Red River is 1 hour ahead of Spearfish-South Dakota.
What is the cheapest way to fly from SPF to RDR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPF–RDR that never appear on search engines, with no booking fees.