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SQH to USN: distance & flight time
Son-La (Na-San Airport) → Ulsan (Ulsan Airport)
1,823 mi
2,933 km · 1,584 nm
4h 2m
estimated nonstop flight time
+2h
time difference · heading northeast
See live SQH→USN fares Phone-only fares on this route — call free
Flight time details
1,823 miles nonstop takes roughly 4h 2m 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
- SQH — Na-San Airport · Son-La, Vietnam
- 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 SQH
- NEU · Sam Neua Airport55 mi away
- DIN · Dien Bien Phu Airport67 mi away
- HAN · Noi Bai International Airport114 mi away
- XKH · Xieng Khouang Airport135 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 SQH from USN?
The flight distance from Son-La (SQH) to Ulsan (USN) is 1,823 miles (2,933 km, 1,584 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SQH to USN?
A nonstop flight takes about 4h 2m 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 Son-La and Ulsan?
Ulsan is 2 hours ahead of Son-La.
What is the cheapest way to fly from SQH to USN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SQH–USN that never appear on search engines, with no booking fees.