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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.
Are there nonstop flights from IAH to ICN?
Nonstop service on IAH–ICN 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 17m nonstop estimate.
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Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAH–ICN that never appear on search engines, with no booking fees.
Why are some IAH to ICN fares phone-only?
Consolidator contracts let us sell certain IAH–ICN 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.