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USN to SDJ: distance & flight time
Ulsan (Ulsan Airport) → Sendai (Sendai Airport)
663 mi
1,066 km · 576 nm
1h 54m
estimated nonstop flight time
Same time
time difference · heading east
See live USN→SDJ fares Phone-only fares on this route — call free
Flight time details
663 miles nonstop takes roughly 1h 54m gate to gate, flying east. 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
- SDJ — Sendai Airport · Sendai, Japan
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 SDJ
- GAJ · Yamagata Airport35 mi away
- FKS · Fukushima Airport68 mi away
- SYO · Shonai Airport77 mi away
- HNA · Hanamaki Airport90 mi away
Frequently asked questions
How far is USN from SDJ?
The flight distance from Ulsan (USN) to Sendai (SDJ) is 663 miles (1,066 km, 576 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USN to SDJ?
A nonstop flight takes about 1h 54m 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 SDJ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USN–SDJ that never appear on search engines, with no booking fees.