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NNT to USN: distance & flight time
Nan (Nan Airport) → Ulsan (Ulsan Airport)
2,091 mi
3,366 km · 1,817 nm
4h 34m
estimated nonstop flight time
+2h
time difference · heading northeast
See live NNT→USN fares Phone-only fares on this route — call free
Flight time details
2,091 miles nonstop takes roughly 4h 34m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- NNT — Nan Airport · Nan, Thailand
- 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 NNT
- PRH · Phrae Airport62 mi away
- ZBY · Sayaboury Airport68 mi away
- LPT · Lampang Airport92 mi away
- CEI · Chiang Rai International Airport98 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 NNT from USN?
The flight distance from Nan (NNT) to Ulsan (USN) is 2,091 miles (3,366 km, 1,817 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from NNT to USN?
A nonstop flight takes about 4h 34m 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 Nan and Ulsan?
Ulsan is 2 hours ahead of Nan.
What is the cheapest way to fly from NNT to USN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on NNT–USN that never appear on search engines, with no booking fees.