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IAH to OSN: distance & flight time
Houston (George Bush Intercontinental Houston Airport) → Osan (Osan Air Base)
7,052 mi
11,349 km · 6,128 nm
14h 18m
estimated nonstop flight time
+14h
time difference · heading northwest
See live IAH→OSN fares Phone-only fares on this route — call free
Flight time details
7,052 miles nonstop takes roughly 14h 18m 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
- OSN — Osan Air Base · Osan, 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 OSN
- ICN · Incheon International Airport41 mi away
- SWU · Suwon Airport10 mi away
- SSN · Seoul Air Base (K-16)25 mi away
- GMP · Gimpo International Airport35 mi away
Frequently asked questions
How far is IAH from OSN?
The flight distance from Houston (IAH) to Osan (OSN) is 7,052 miles (11,349 km, 6,128 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAH to OSN?
A nonstop flight takes about 14h 18m 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 Osan?
Osan is 14 hours ahead of Houston.
What is the cheapest way to fly from IAH to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAH–OSN that never appear on search engines, with no booking fees.