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YLY to SPF: distance & flight time
Langley Township (Langley Airport) → Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field)
944 mi
1,519 km · 820 nm
2h 31m
estimated nonstop flight time
+1h
time difference · heading east
See live YLY→SPF fares Phone-only fares on this route — call free
Flight time details
944 miles nonstop takes roughly 2h 31m 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
- YLY — Langley Airport · Langley Township, Canada
- 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 YLY
- YVR · Vancouver International Airport26 mi away
- YXX · Abbotsford Airport13 mi away
- YDT · Boundary Bay Airport17 mi away
- BLI · Bellingham International Airport22 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 YLY from SPF?
The flight distance from Langley Township (YLY) to Spearfish-South Dakota (SPF) is 944 miles (1,519 km, 820 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YLY to SPF?
A nonstop flight takes about 2h 31m 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 Langley Township and Spearfish-South Dakota?
Spearfish-South Dakota is 1 hour ahead of Langley Township.
What is the cheapest way to fly from YLY to SPF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YLY–SPF that never appear on search engines, with no booking fees.