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CNI to USN: distance & flight time
Changhai (Changhai Airport) → Ulsan (Ulsan Airport)
446 mi
717 km · 387 nm
1h 26m
estimated nonstop flight time
+1h
time difference · heading southeast
See live CNI→USN fares Phone-only fares on this route — call free
Flight time details
446 miles nonstop takes roughly 1h 26m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- CNI — Changhai Airport · Changhai, China
- USN — Ulsan Airport · Ulsan, South Korea
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 CNI
- DLC · Zhoushuizi Airport64 mi away
- YKH · Yingkou Lanqi Airport90 mi away
- DDG · Dandong Airport101 mi away
- AOG · Anshan Air Base127 mi away
Near USN
- KPO · Pohang Airport (G-815/K-3)28 mi away
- PUS · Gimhae International Airport37 mi away
- TAE · Daegu Airport44 mi away
- CHF · Jinhae Airbase/Airport (G-813/K-10)48 mi away
Frequently asked questions
How far is CNI from USN?
The flight distance from Changhai (CNI) to Ulsan (USN) is 446 miles (717 km, 387 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CNI to USN?
A nonstop flight takes about 1h 26m 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 Changhai and Ulsan?
Ulsan is 1 hour ahead of Changhai.
What is the cheapest way to fly from CNI to USN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CNI–USN that never appear on search engines, with no booking fees.