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FSI to ZBY: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → Sainyabuli (Sayaboury Airport)
8,486 mi
13,656 km · 7,374 nm
17h 6m
estimated nonstop flight time
—
time difference · heading northwest
See live FSI→ZBY fares Phone-only fares on this route — call free
Flight time details
8,486 miles nonstop takes roughly 17h 6m 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
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, 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 FSI
- LAW · Lawton Fort Sill Regional Airport6 mi away
- DUC · Halliburton Field28 mi away
- HBR · Hobart Regional Airport44 mi away
- SPS · Sheppard Air Force Base-Wichita Falls Municipal Airport46 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 FSI from ZBY?
The flight distance from Fort Sill (FSI) to Sainyabuli (ZBY) is 8,486 miles (13,656 km, 7,374 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSI to ZBY?
A nonstop flight takes about 17h 6m 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 FSI to ZBY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–ZBY that never appear on search engines, with no booking fees.