CheapoTrav
Call

Need help booking?

Unpublished phone-only deals available

(815) 991-4848

USN to GSJ: distance & flight time

Ulsan (Ulsan Airport) → San Jose (San José Airport)

8,123 mi
13,073 km · 7,059 nm
16h 24m
estimated nonstop flight time
-15h
time difference · heading northeast
See live USN→GSJ fares Phone-only fares on this route — call free

Flight time details

8,123 miles nonstop takes roughly 16h 24m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time set-back when reading arrival times on your ticket.

Track a live flight on this route →

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

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.

Compare USN–GSJ against every nearby airport — free on one call:

Frequently asked questions

How far is USN from GSJ?

The flight distance from Ulsan (USN) to San Jose (GSJ) is 8,123 miles (13,073 km, 7,059 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from USN to GSJ?

A nonstop flight takes about 16h 24m 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 San Jose?

San Jose is 15 hours behind Ulsan.

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

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USN–GSJ that never appear on search engines, with no booking fees.
Keep exploring:GSJ to USN Airports near USN Airports near GSJ Time difference USN–GSJ Distance calculator