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YSJ to USN: distance & flight time

St. John (Saint John Airport) → Ulsan (Ulsan Airport)

6,766 mi
10,889 km · 5,879 nm
13h 44m
estimated nonstop flight time
+12h
time difference · heading north
See live YSJ→USN fares Phone-only fares on this route — call free

Flight time details

6,766 miles nonstop takes roughly 13h 44m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time gain when reading arrival times on your ticket.

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The two airports

Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.

Alternate airports can cut this fare

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Frequently asked questions

How far is YSJ from USN?

The flight distance from St. John (YSJ) to Ulsan (USN) is 6,766 miles (10,889 km, 5,879 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from YSJ to USN?

A nonstop flight takes about 13h 44m 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 St. John and Ulsan?

Ulsan is 12 hours ahead of St. John.

What is the cheapest way to fly from YSJ to USN?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YSJ–USN that never appear on search engines, with no booking fees.
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