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BST to CYI: distance & flight time
Lashkar Gah (Bost Airport) → Chiayi (Chiayi Airport)
3,442 mi
5,540 km · 2,991 nm
7h 13m
estimated nonstop flight time
+3.5h
time difference · heading east
See live BST→CYI fares Phone-only fares on this route — call free
Flight time details
3,442 miles nonstop takes roughly 7h 13m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3.5-hour time gain when reading arrival times on your ticket.
The two airports
- BST — Bost Airport · Lashkar Gah, Afghanistan
- CYI — Chiayi Airport · Chiayi, Taiwan
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 CYI
- TNN · Tainan Airport37 mi away
- MZG · Makung Airport49 mi away
- PIF · Pingtung North Airport53 mi away
- TXG · Taichung Airport53 mi away
Frequently asked questions
How far is BST from CYI?
The flight distance from Lashkar Gah (BST) to Chiayi (CYI) is 3,442 miles (5,540 km, 2,991 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BST to CYI?
A nonstop flight takes about 7h 13m 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 CYI?
Nonstop service on BST–CYI 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 7h 13m nonstop estimate.
What is the time difference between Lashkar Gah and Chiayi?
Chiayi is 3.5 hours ahead of Lashkar Gah.
What is the cheapest way to fly from BST to CYI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BST–CYI that never appear on search engines, with no booking fees.
Why are some BST to CYI fares phone-only?
Consolidator contracts let us sell certain BST–CYI 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.