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EFD to USN: distance & flight time
Houston (Ellington Airport) → Ulsan (Ulsan Airport)
7,083 mi
11,399 km · 6,155 nm
14h 21m
estimated nonstop flight time
+14h
time difference · heading northwest
See live EFD→USN fares Phone-only fares on this route — call free
Flight time details
7,083 miles nonstop takes roughly 14h 21m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time gain when reading arrival times on your ticket.
The two airports
- EFD — Ellington Airport · Houston, 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 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
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 EFD from USN?
The flight distance from Houston (EFD) to Ulsan (USN) 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 EFD to USN?
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 Houston and Ulsan?
Ulsan is 14 hours ahead of Houston.
What is the cheapest way to fly from EFD to USN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on EFD–USN that never appear on search engines, with no booking fees.