Need help booking?
Unpublished phone-only deals available
HDY to USN: distance & flight time
Hat Yai (Hat Yai International Airport) → Ulsan (Ulsan Airport)
2,698 mi
4,343 km · 2,345 nm
5h 45m
estimated nonstop flight time
+2h
time difference · heading northeast
See live HDY→USN fares Phone-only fares on this route — call free
Flight time details
2,698 miles nonstop takes roughly 5h 45m 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
- HDY — Hat Yai International Airport · Hat Yai, 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 HDY
- SGZ · Songkhla Airport23 mi away
- AOR · Sultan Abdul Halim Airport51 mi away
- PAN · Pattani Airport53 mi away
- LGK · Langkawi International Airport62 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 HDY from USN?
The flight distance from Hat Yai (HDY) to Ulsan (USN) is 2,698 miles (4,343 km, 2,345 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HDY to USN?
A nonstop flight takes about 5h 45m 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 Hat Yai and Ulsan?
Ulsan is 2 hours ahead of Hat Yai.
What is the cheapest way to fly from HDY to USN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HDY–USN that never appear on search engines, with no booking fees.