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ZBY to YSM: distance & flight time
Sainyabuli (Sayaboury Airport) → Fort Smith (Fort Smith Airport)
6,643 mi
10,691 km · 5,773 nm
13h 30m
estimated nonstop flight time
—
time difference · heading north
See live ZBY→YSM fares Phone-only fares on this route — call free
Flight time details
6,643 miles nonstop takes roughly 13h 30m 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
- ZBY — Sayaboury Airport · Sainyabuli, Laos
- YSM — Fort Smith Airport · Fort Smith, Canada
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 ZBY
- LPQ · Luang Phabang International Airport54 mi away
- NNT · Nan Airport68 mi away
- XKH · Xieng Khouang Airport96 mi away
- ODY · Oudomsay Airport101 mi away
Near YSM
- YPY · Fort Chipewyan Airport92 mi away
- YFR · Fort Resolution Airport99 mi away
- YBE · Uranium City Airport125 mi away
- YHY · Hay River / Merlyn Carter Airport142 mi away
Frequently asked questions
How far is ZBY from YSM?
The flight distance from Sainyabuli (ZBY) to Fort Smith (YSM) is 6,643 miles (10,691 km, 5,773 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ZBY to YSM?
A nonstop flight takes about 13h 30m 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 ZBY to YSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ZBY–YSM that never appear on search engines, with no booking fees.