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SPF to UGN: distance & flight time
Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field) → Chicago (Waukegan National Airport)
809 mi
1,303 km · 703 nm
2h 14m
estimated nonstop flight time
+1h
time difference · heading east
See live SPF→UGN fares Phone-only fares on this route — call free
Flight time details
809 miles nonstop takes roughly 2h 14m gate to gate, flying east. 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
- UGN — Waukegan National Airport · Chicago, 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 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
Frequently asked questions
How far is SPF from UGN?
The flight distance from Spearfish-South Dakota (SPF) to Chicago (UGN) is 809 miles (1,303 km, 703 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPF to UGN?
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 Spearfish-South Dakota and Chicago?
Chicago is 1 hour ahead of Spearfish-South Dakota.
What is the cheapest way to fly from SPF to UGN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPF–UGN that never appear on search engines, with no booking fees.