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USN to AOU: distance & flight time
Ulsan (Ulsan Airport) → Attopeu (Attopeu Airport)
2,001 mi
3,220 km · 1,739 nm
4h 23m
estimated nonstop flight time
—
time difference · heading southwest
See live USN→AOU fares Phone-only fares on this route — call free
Flight time details
2,001 miles nonstop takes roughly 4h 23m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- USN — Ulsan Airport · Ulsan, South Korea
- AOU — Attopeu Airport · Attopeu, Laos
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 AOU
- VNA · Saravane Airport68 mi away
- PKZ · Pakse International Airport73 mi away
- RBE · Ratanakiri Airport76 mi away
- PXU · Pleiku Airport98 mi away
Frequently asked questions
How far is USN from AOU?
The flight distance from Ulsan (USN) to Attopeu (AOU) is 2,001 miles (3,220 km, 1,739 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USN to AOU?
A nonstop flight takes about 4h 23m 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 cheapest way to fly from USN to AOU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USN–AOU that never appear on search engines, with no booking fees.