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SKF to USN: distance & flight time
San Antonio (Lackland Air Force Base) → Ulsan (Ulsan Airport)
6,972 mi
11,220 km · 6,058 nm
14h 8m
estimated nonstop flight time
+15h
time difference · heading northwest
See live SKF→USN fares Phone-only fares on this route — call free
Flight time details
6,972 miles nonstop takes roughly 14h 8m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time gain when reading arrival times on your ticket.
The two airports
- SKF — Lackland Air Force Base · San Antonio, United States
- USN — Ulsan Airport · Ulsan, South Korea
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 SKF
- SSF · Stinson Municipal Airport7 mi away
- SAT · San Antonio International Airport12 mi away
- RND · Randolph Air Force Base21 mi away
- AUS · Austin Bergstrom International Airport78 mi away
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
Frequently asked questions
How far is SKF from USN?
The flight distance from San Antonio (SKF) to Ulsan (USN) is 6,972 miles (11,220 km, 6,058 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SKF to USN?
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.
Are there nonstop flights from SKF to USN?
Nonstop service on SKF–USN depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 14h 8m nonstop estimate.
What is the time difference between San Antonio and Ulsan?
Ulsan is 15 hours ahead of San Antonio.
What is the cheapest way to fly from SKF to USN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SKF–USN that never appear on search engines, with no booking fees.
Why are some SKF to USN fares phone-only?
Consolidator contracts let us sell certain SKF–USN tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.