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ASH to CYI: distance & flight time
Nashua (Boire Field) → Chiayi (Chiayi Airport)
7,797 mi
12,549 km · 6,776 nm
15h 45m
estimated nonstop flight time
+13h
time difference · heading north
See live ASH→CYI fares Phone-only fares on this route — call free
Flight time details
7,797 miles nonstop takes roughly 15h 45m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time gain when reading arrival times on your ticket.
The two airports
- ASH — Boire Field · Nashua, United States
- 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 ASH
- BOS · General Edward Lawrence Logan International Airport39 mi away
- MHT · Manchester-Boston Regional Airport11 mi away
- LWM · Lawrence Municipal Airport20 mi away
- BED · Laurence G Hanscom Field24 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 ASH from CYI?
The flight distance from Nashua (ASH) to Chiayi (CYI) is 7,797 miles (12,549 km, 6,776 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ASH to CYI?
A nonstop flight takes about 15h 45m 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 ASH to CYI?
Nonstop service on ASH–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 15h 45m nonstop estimate.
What is the time difference between Nashua and Chiayi?
Chiayi is 13 hours ahead of Nashua.
What is the cheapest way to fly from ASH to CYI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ASH–CYI that never appear on search engines, with no booking fees.
Why are some ASH to CYI fares phone-only?
Consolidator contracts let us sell certain ASH–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.