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ZBY to BST: distance & flight time
Sainyabuli (Sayaboury Airport) → Lashkar Gah (Bost Airport)
2,467 mi
3,970 km · 2,144 nm
5h 18m
estimated nonstop flight time
—
time difference · heading northwest
See live ZBY→BST fares Phone-only fares on this route — call free
Flight time details
2,467 miles nonstop takes roughly 5h 18m 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
- ZBY — Sayaboury Airport · Sainyabuli, Laos
- BST — Bost Airport · Lashkar Gah, Afghanistan
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 BST
- OAZ · Camp Bastion Airport23 mi away
- KDH · Kandahar Airport87 mi away
- TII · Tarin Kowt Airport114 mi away
- FAH · Farah Airport140 mi away
Frequently asked questions
How far is ZBY from BST?
The flight distance from Sainyabuli (ZBY) to Lashkar Gah (BST) is 2,467 miles (3,970 km, 2,144 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ZBY to BST?
A nonstop flight takes about 5h 18m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from ZBY to BST?
Nonstop service on ZBY–BST depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 5h 18m nonstop estimate.
What is the cheapest way to fly from ZBY to BST?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ZBY–BST that never appear on search engines, with no booking fees.
Why are some ZBY to BST fares phone-only?
Consolidator contracts let us sell certain ZBY–BST tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.