Need help booking?
Unpublished phone-only deals available
IAH to ICN: distance & flight time
Houston (George Bush Intercontinental Houston Airport) → Seoul (Incheon International Airport)
7,050 mi
11,346 km · 6,126 nm
14h 17m
estimated nonstop flight time
+14h
time difference · heading northwest
See live IAH→ICN fares Phone-only fares on this route — call free
Flight time details
7,050 miles nonstop takes roughly 14h 17m 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
- IAH — George Bush Intercontinental Houston Airport · Houston, United States
- ICN — Incheon International Airport · Seoul, 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 IAH
- DWH · David Wayne Hooks Memorial Airport14 mi away
- IWS · West Houston Airport23 mi away
- AAP · Andrau Airpark23 mi away
- HOU · William P Hobby Airport24 mi away
Near ICN
- GMP · Gimpo International Airport20 mi away
- SWU · Suwon Airport34 mi away
- SSN · Seoul Air Base (K-16)36 mi away
- OSN · Osan Air Base41 mi away
Frequently asked questions
How far is IAH from ICN?
The flight distance from Houston (IAH) to Seoul (ICN) is 7,050 miles (11,346 km, 6,126 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAH to ICN?
A nonstop flight takes about 14h 17m 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 Seoul?
Seoul is 14 hours ahead of Houston.
What is the cheapest way to fly from IAH to ICN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAH–ICN that never appear on search engines, with no booking fees.