Need help booking?
Unpublished phone-only deals available
USN to SDM: distance & flight time
Ulsan (Ulsan Airport) → San Diego (Brown Field Municipal Airport)
6,067 mi
9,764 km · 5,272 nm
12h 22m
estimated nonstop flight time
-16h
time difference · heading northeast
See live USN→SDM fares Phone-only fares on this route — call free
Flight time details
6,067 miles nonstop takes roughly 12h 22m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time set-back when reading arrival times on your ticket.
The two airports
- USN — Ulsan Airport · Ulsan, South Korea
- SDM — Brown Field Municipal Airport · San Diego, United States
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 SDM
Frequently asked questions
How far is USN from SDM?
The flight distance from Ulsan (USN) to San Diego (SDM) is 6,067 miles (9,764 km, 5,272 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USN to SDM?
A nonstop flight takes about 12h 22m 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 Diego?
San Diego is 16 hours behind Ulsan.
What is the cheapest way to fly from USN to SDM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USN–SDM that never appear on search engines, with no booking fees.