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UGN to SPF: distance & flight time
Chicago (Waukegan National Airport) → Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field)
809 mi
1,303 km · 703 nm
2h 14m
estimated nonstop flight time
-1h
time difference · heading west
See live UGN→SPF fares Phone-only fares on this route — call free
Flight time details
809 miles nonstop takes roughly 2h 14m 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
- UGN — Waukegan National Airport · Chicago, 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 UGN
- ORD · Chicago O'Hare International Airport31 mi away
- ENW · Kenosha Regional Airport12 mi away
- PWK · Chicago Executive Airport21 mi away
- RAC · John H Batten Airport24 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 UGN from SPF?
The flight distance from Chicago (UGN) to Spearfish-South Dakota (SPF) is 809 miles (1,303 km, 703 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from UGN to SPF?
A nonstop flight takes about 2h 14m 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 Chicago and Spearfish-South Dakota?
Spearfish-South Dakota is 1 hour behind Chicago.
What is the cheapest way to fly from UGN to SPF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on UGN–SPF that never appear on search engines, with no booking fees.