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USN to SAT: distance & flight time
Ulsan (Ulsan Airport) → San Antonio (San Antonio International Airport)
6,968 mi
11,213 km · 6,055 nm
14h 8m
estimated nonstop flight time
-14h
time difference · heading northeast
See live USN→SAT fares Phone-only fares on this route — call free
Flight time details
6,968 miles nonstop takes roughly 14h 8m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time set-back when reading arrival times on your ticket.
The two airports
- USN — Ulsan Airport · Ulsan, South Korea
- SAT — San Antonio International Airport · San Antonio, 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 SAT
- RND · Randolph Air Force Base11 mi away
- SKF · Lackland Air Force Base12 mi away
- SSF · Stinson Municipal Airport14 mi away
- AUS · Austin Bergstrom International Airport66 mi away
Frequently asked questions
How far is USN from SAT?
The flight distance from Ulsan (USN) to San Antonio (SAT) is 6,968 miles (11,213 km, 6,055 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USN to SAT?
A nonstop flight takes about 14h 8m 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 Antonio?
San Antonio is 14 hours behind Ulsan.
What is the cheapest way to fly from USN to SAT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USN–SAT that never appear on search engines, with no booking fees.