Need help booking?
Unpublished phone-only deals available
TNN to USN: distance & flight time
Tainan (Tainan Airport) → Ulsan (Ulsan Airport)
1,032 mi
1,660 km · 897 nm
2h 43m
estimated nonstop flight time
+1h
time difference · heading northeast
See live TNN→USN fares Phone-only fares on this route — call free
Flight time details
1,032 miles nonstop takes roughly 2h 43m gate to gate, flying northeast. 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
- TNN — Tainan Airport · Tainan, Taiwan
- 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 TNN
- PIF · Pingtung North Airport25 mi away
- KHH · Kaohsiung International Airport27 mi away
- CYI · Chiayi Airport37 mi away
- WOT · Wang-an Airport53 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 TNN from USN?
The flight distance from Tainan (TNN) to Ulsan (USN) is 1,032 miles (1,660 km, 897 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TNN to USN?
A nonstop flight takes about 2h 43m 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 Tainan and Ulsan?
Ulsan is 1 hour ahead of Tainan.
What is the cheapest way to fly from TNN to USN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TNN–USN that never appear on search engines, with no booking fees.