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USN to EFD: distance & flight time
Ulsan (Ulsan Airport) → Houston (Ellington Airport)
7,083 mi
11,399 km · 6,155 nm
14h 21m
estimated nonstop flight time
-14h
time difference · heading northeast
See live USN→EFD fares Phone-only fares on this route — call free
Flight time details
7,083 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
- EFD — Ellington 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 EFD
- IAH · George Bush Intercontinental Houston Airport28 mi away
- HOU · William P Hobby Airport8 mi away
- AAP · Andrau Airpark27 mi away
- GLS · Scholes International At Galveston Airport30 mi away
Frequently asked questions
How far is USN from EFD?
The flight distance from Ulsan (USN) to Houston (EFD) is 7,083 miles (11,399 km, 6,155 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USN to EFD?
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 EFD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USN–EFD that never appear on search engines, with no booking fees.