Need help booking?
Unpublished phone-only deals available
ATY to SPF: distance & flight time
Watertown (Watertown Regional Airport) → Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field)
327 mi
526 km · 284 nm
1h 20m
estimated nonstop flight time
-1h
time difference · heading west
See live ATY→SPF fares Phone-only fares on this route — call free
Flight time details
327 miles nonstop takes roughly 1h 20m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- ATY — Watertown Regional Airport · Watertown, 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 ATY
- HON · Huron Regional Airport64 mi away
- ABR · Aberdeen Regional Airport72 mi away
- MHE · Mitchell Municipal Airport90 mi away
- FSD · Joe Foss Field Airport94 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 ATY from SPF?
The flight distance from Watertown (ATY) to Spearfish-South Dakota (SPF) is 327 miles (526 km, 284 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ATY to SPF?
A nonstop flight takes about 1h 20m 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 Watertown and Spearfish-South Dakota?
Spearfish-South Dakota is 1 hour behind Watertown.
What is the cheapest way to fly from ATY to SPF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ATY–SPF that never appear on search engines, with no booking fees.