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CYI to PSM: distance & flight time
Chiayi (Chiayi Airport) → Portsmouth (Portsmouth International at Pease Airport)
7,784 mi
12,528 km · 6,764 nm
15h 44m
estimated nonstop flight time
-12h
time difference · heading north
See live CYI→PSM fares Phone-only fares on this route — call free
Flight time details
7,784 miles nonstop takes roughly 15h 44m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time set-back when reading arrival times on your ticket.
The two airports
- CYI — Chiayi Airport · Chiayi, Taiwan
- PSM — Portsmouth International at Pease Airport · Portsmouth, United States
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 CYI
- TNN · Tainan Airport37 mi away
- MZG · Makung Airport49 mi away
- PIF · Pingtung North Airport53 mi away
- TXG · Taichung Airport53 mi away
Near PSM
- BOS · General Edward Lawrence Logan International Airport50 mi away
- LWM · Lawrence Municipal Airport29 mi away
- MHT · Manchester-Boston Regional Airport33 mi away
- BVY · Beverly Municipal Airport34 mi away
Frequently asked questions
How far is CYI from PSM?
The flight distance from Chiayi (CYI) to Portsmouth (PSM) is 7,784 miles (12,528 km, 6,764 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CYI to PSM?
A nonstop flight takes about 15h 44m 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 time difference between Chiayi and Portsmouth?
Portsmouth is 12 hours behind Chiayi.
What is the cheapest way to fly from CYI to PSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CYI–PSM that never appear on search engines, with no booking fees.