Need help booking?
Unpublished phone-only deals available
SPF to GYY: distance & flight time
Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field) → Gary (Gary Chicago International Airport)
848 mi
1,365 km · 737 nm
2h 19m
estimated nonstop flight time
+1h
time difference · heading east
See live SPF→GYY fares Phone-only fares on this route — call free
Flight time details
848 miles nonstop takes roughly 2h 19m 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
- GYY — Gary Chicago International Airport · Gary, 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 GYY
- ORD · Chicago O'Hare International Airport36 mi away
- CGX · Chicago Meigs Airport20 mi away
- MDW · Chicago Midway International Airport21 mi away
- VPZ · Porter County Municipal Airport24 mi away
Frequently asked questions
How far is SPF from GYY?
The flight distance from Spearfish-South Dakota (SPF) to Gary (GYY) is 848 miles (1,365 km, 737 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPF to GYY?
A nonstop flight takes about 2h 19m 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 Gary?
Gary is 1 hour ahead of Spearfish-South Dakota.
What is the cheapest way to fly from SPF to GYY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPF–GYY that never appear on search engines, with no booking fees.