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SPF to LLY: distance & flight time
Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field) → Mount Holly (South Jersey Regional Airport)
1,505 mi
2,423 km · 1,308 nm
3h 25m
estimated nonstop flight time
+2h
time difference · heading east
See live SPF→LLY fares Phone-only fares on this route — call free
Flight time details
1,505 miles nonstop takes roughly 3h 25m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-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
- LLY — South Jersey Regional Airport · Mount Holly, 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 LLY
- PHL · Philadelphia International Airport22 mi away
- PNE · Northeast Philadelphia Airport13 mi away
- WRI · Mc Guire Air Force Base14 mi away
- TTN · Trenton Mercer Airport23 mi away
Frequently asked questions
How far is SPF from LLY?
The flight distance from Spearfish-South Dakota (SPF) to Mount Holly (LLY) is 1,505 miles (2,423 km, 1,308 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPF to LLY?
A nonstop flight takes about 3h 25m 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 Mount Holly?
Mount Holly is 2 hours ahead of Spearfish-South Dakota.
What is the cheapest way to fly from SPF to LLY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPF–LLY that never appear on search engines, with no booking fees.