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USN to HOU: distance & flight time
Ulsan (Ulsan Airport) → Houston (William P Hobby Airport)
7,076 mi
11,388 km · 6,149 nm
14h 21m
estimated nonstop flight time
-14h
time difference · heading northeast
See live USN→HOU fares Phone-only fares on this route — call free
Flight time details
7,076 miles nonstop takes roughly 14h 21m 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
- HOU — William P Hobby Airport · Houston, 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 HOU
- IAH · George Bush Intercontinental Houston Airport24 mi away
- EFD · Ellington Airport8 mi away
- AAP · Andrau Airpark19 mi away
- SGR · Sugar Land Regional Airport23 mi away
Frequently asked questions
How far is USN from HOU?
The flight distance from Ulsan (USN) to Houston (HOU) is 7,076 miles (11,388 km, 6,149 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USN to HOU?
A nonstop flight takes about 14h 21m 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 Houston?
Houston is 14 hours behind Ulsan.
What is the cheapest way to fly from USN to HOU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USN–HOU that never appear on search engines, with no booking fees.