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USN to HAN: distance & flight time
Ulsan (Ulsan Airport) → Hanoi (Noi Bai International Airport)
1,734 mi
2,791 km · 1,507 nm
3h 52m
estimated nonstop flight time
-2h
time difference · heading southwest
See live USN→HAN fares Phone-only fares on this route — call free
Flight time details
1,734 miles nonstop takes roughly 3h 52m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- USN — Ulsan Airport · Ulsan, South Korea
- HAN — Noi Bai International Airport · Hanoi, Vietnam
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 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
Near HAN
- HPH · Cat Bi International Airport65 mi away
- SQH · Na-San Airport114 mi away
- NEU · Sam Neua Airport125 mi away
Frequently asked questions
How far is USN from HAN?
The flight distance from Ulsan (USN) to Hanoi (HAN) is 1,734 miles (2,791 km, 1,507 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USN to HAN?
A nonstop flight takes about 3h 52m 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 Ulsan and Hanoi?
Hanoi is 2 hours behind Ulsan.
What is the cheapest way to fly from USN to HAN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USN–HAN that never appear on search engines, with no booking fees.