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CYI to HEL: distance & flight time
Chiayi (Chiayi Airport) → Helsinki (Helsinki Vantaa Airport)
5,000 mi
8,047 km · 4,345 nm
10h 16m
estimated nonstop flight time
-5h
time difference · heading northwest
See live CYI→HEL fares Phone-only fares on this route — call free
Flight time details
5,000 miles nonstop takes roughly 10h 16m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time set-back when reading arrival times on your ticket.
The two airports
- CYI — Chiayi Airport · Chiayi, Taiwan
- HEL — Helsinki Vantaa Airport · Helsinki, Finland
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 HEL
- HEM · Helsinki Malmi Airport5 mi away
- HYV · Hyvinkää Airfield23 mi away
- QLF · Lahti Vesivehmaa Airport62 mi away
- TLL · Lennart Meri Tallinn Airport63 mi away
Frequently asked questions
How far is CYI from HEL?
The flight distance from Chiayi (CYI) to Helsinki (HEL) is 5,000 miles (8,047 km, 4,345 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CYI to HEL?
A nonstop flight takes about 10h 16m 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 Helsinki?
Helsinki is 5 hours behind Chiayi.
What is the cheapest way to fly from CYI to HEL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CYI–HEL that never appear on search engines, with no booking fees.