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ASM to USN: distance & flight time
Asmara (Asmara International Airport) → Ulsan (Ulsan Airport)
5,633 mi
9,065 km · 4,895 nm
11h 31m
estimated nonstop flight time
+6h
time difference · heading northeast
See live ASM→USN fares Phone-only fares on this route — call free
Flight time details
5,633 miles nonstop takes roughly 11h 31m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- ASM — Asmara International Airport · Asmara, Eritrea
- 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 ASM
- MSW · Massawa International Airport40 mi away
- AXU · Axum Airport80 mi away
- MQX · Mekele Airport133 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 ASM from USN?
The flight distance from Asmara (ASM) to Ulsan (USN) is 5,633 miles (9,065 km, 4,895 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ASM to USN?
A nonstop flight takes about 11h 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 Asmara and Ulsan?
Ulsan is 6 hours ahead of Asmara.
What is the cheapest way to fly from ASM to USN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ASM–USN that never appear on search engines, with no booking fees.