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SDF to ZBY: distance & flight time
Louisville (Louisville International Standiford Field) → Sainyabuli (Sayaboury Airport)
8,440 mi
13,583 km · 7,334 nm
17h 1m
estimated nonstop flight time
—
time difference · heading north
See live SDF→ZBY fares Phone-only fares on this route — call free
Flight time details
8,440 miles nonstop takes roughly 17h 1m gate to gate, flying north. 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
- SDF — Louisville International Standiford Field · Louisville, 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 SDF
- LOU · Bowman Field5 mi away
- FTK · Godman Army Air Field22 mi away
- FFT · Capital City Airport45 mi away
- LEX · Blue Grass Airport62 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 SDF from ZBY?
The flight distance from Louisville (SDF) to Sainyabuli (ZBY) is 8,440 miles (13,583 km, 7,334 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SDF to ZBY?
A nonstop flight takes about 17h 1m 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 SDF to ZBY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SDF–ZBY that never appear on search engines, with no booking fees.