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USN to SNA: distance & flight time
Ulsan (Ulsan Airport) → Santa Ana (John Wayne Airport-Orange County Airport)
5,978 mi
9,621 km · 5,195 nm
12h 11m
estimated nonstop flight time
-16h
time difference · heading northeast
See live USN→SNA fares Phone-only fares on this route — call free
Flight time details
5,978 miles nonstop takes roughly 12h 11m 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
- SNA — John Wayne Airport-Orange County Airport · Santa Ana, 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 SNA
- LAX · Los Angeles International Airport36 mi away
- NZJ · El Toro Marine Corps Air Station8 mi away
- FUL · Fullerton Municipal Airport15 mi away
- LGB · Long Beach /Daugherty Field/ Airport19 mi away
Frequently asked questions
How far is USN from SNA?
The flight distance from Ulsan (USN) to Santa Ana (SNA) is 5,978 miles (9,621 km, 5,195 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USN to SNA?
A nonstop flight takes about 12h 11m 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 Santa Ana?
Santa Ana is 16 hours behind Ulsan.
What is the cheapest way to fly from USN to SNA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USN–SNA that never appear on search engines, with no booking fees.