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UBP to USN: distance & flight time
Ubon Ratchathani (Ubon Ratchathani Airport) → Ulsan (Ulsan Airport)
2,064 mi
3,322 km · 1,794 nm
4h 31m
estimated nonstop flight time
+2h
time difference · heading northeast
See live UBP→USN fares Phone-only fares on this route — call free
Flight time details
2,064 miles nonstop takes roughly 4h 31m 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
- UBP — Ubon Ratchathani Airport · Ubon Ratchathani, 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 UBP
- PKZ · Pakse International Airport61 mi away
- ZVK · Savannakhet Airport90 mi away
- ROI · Roi Et Airport94 mi away
- PXR · Surin Airport95 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 UBP from USN?
The flight distance from Ubon Ratchathani (UBP) to Ulsan (USN) is 2,064 miles (3,322 km, 1,794 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from UBP to USN?
A nonstop flight takes about 4h 31m 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 Ubon Ratchathani and Ulsan?
Ulsan is 2 hours ahead of Ubon Ratchathani.
What is the cheapest way to fly from UBP to USN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on UBP–USN that never appear on search engines, with no booking fees.