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BST to ZBY: distance & flight time
Lashkar Gah (Bost Airport) → Sainyabuli (Sayaboury Airport)
2,467 mi
3,970 km · 2,144 nm
5h 18m
estimated nonstop flight time
—
time difference · heading east
See live BST→ZBY fares Phone-only fares on this route — call free
Flight time details
2,467 miles nonstop takes roughly 5h 18m gate to gate, flying east. 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
- BST — Bost Airport · Lashkar Gah, Afghanistan
- 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 BST
- OAZ · Camp Bastion Airport23 mi away
- KDH · Kandahar Airport87 mi away
- TII · Tarin Kowt Airport114 mi away
- FAH · Farah Airport140 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 BST from ZBY?
The flight distance from Lashkar Gah (BST) to Sainyabuli (ZBY) 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 BST to ZBY?
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 BST to ZBY?
Nonstop service on BST–ZBY 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 BST to ZBY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BST–ZBY that never appear on search engines, with no booking fees.
Why are some BST to ZBY fares phone-only?
Consolidator contracts let us sell certain BST–ZBY 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.