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SPF to ZBY: distance & flight time
Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field) → Sainyabuli (Sayaboury Airport)
7,749 mi
12,471 km · 6,734 nm
15h 40m
estimated nonstop flight time
—
time difference · heading northwest
See live SPF→ZBY fares Phone-only fares on this route — call free
Flight time details
7,749 miles nonstop takes roughly 15h 40m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- SPF — Black Hills Airport-Clyde Ice Field · Spearfish-South Dakota, United States
- ZBY — Sayaboury Airport · Sainyabuli, Laos
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 ZBY
- LPQ · Luang Phabang International Airport54 mi away
- NNT · Nan Airport68 mi away
- XKH · Xieng Khouang Airport96 mi away
- ODY · Oudomsay Airport101 mi away
Frequently asked questions
How far is SPF from ZBY?
The flight distance from Spearfish-South Dakota (SPF) to Sainyabuli (ZBY) is 7,749 miles (12,471 km, 6,734 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPF to ZBY?
A nonstop flight takes about 15h 40m 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 cheapest way to fly from SPF to ZBY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPF–ZBY that never appear on search engines, with no booking fees.