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CYI to KOS: distance & flight time
Chiayi (Chiayi Airport) → Sihanoukville (Sihanoukville International Airport)
1,418 mi
2,282 km · 1,232 nm
3h 33m
estimated nonstop flight time
-1h
time difference · heading southwest
See live CYI→KOS fares Phone-only fares on this route — call free
Flight time details
1,418 miles nonstop takes roughly 3h 33m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- CYI — Chiayi Airport · Chiayi, Taiwan
- KOS — Sihanoukville International Airport · Sihanoukville, Cambodia
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 KOS
- PQC · Phu Quoc International Airport37 mi away
- PNH · Phnom Penh International Airport106 mi away
- VKG · Rach Gia Airport110 mi away
- KZC · Kampong Chhnang Airport132 mi away
Frequently asked questions
How far is CYI from KOS?
The flight distance from Chiayi (CYI) to Sihanoukville (KOS) is 1,418 miles (2,282 km, 1,232 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CYI to KOS?
A nonstop flight takes about 3h 33m 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 Sihanoukville?
Sihanoukville is 1 hour behind Chiayi.
What is the cheapest way to fly from CYI to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CYI–KOS that never appear on search engines, with no booking fees.