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BWI to SPF: distance & flight time
Baltimore (Baltimore/Washington International Thurgood Marshall Airport) → Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field)
1,436 mi
2,311 km · 1,248 nm
3h 35m
estimated nonstop flight time
-2h
time difference · heading northwest
See live BWI→SPF fares Phone-only fares on this route — call free
Flight time details
1,436 miles nonstop takes roughly 3h 35m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- BWI — Baltimore/Washington International Thurgood Marshall Airport · Baltimore, 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 BWI
- DCA · Ronald Reagan Washington National Airport30 mi away
- IAD · Washington Dulles International Airport45 mi away
- FME · Tipton Airport8 mi away
- ANP · Lee Airport17 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 BWI from SPF?
The flight distance from Baltimore (BWI) to Spearfish-South Dakota (SPF) is 1,436 miles (2,311 km, 1,248 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BWI to SPF?
A nonstop flight takes about 3h 35m 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 Baltimore and Spearfish-South Dakota?
Spearfish-South Dakota is 2 hours behind Baltimore.
What is the cheapest way to fly from BWI to SPF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BWI–SPF that never appear on search engines, with no booking fees.