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EFD to OSN: distance & flight time
Houston (Ellington Airport) → Osan (Osan Air Base)
7,080 mi
11,394 km · 6,152 nm
14h 21m
estimated nonstop flight time
+14h
time difference · heading northwest
See live EFD→OSN fares Phone-only fares on this route — call free
Flight time details
7,080 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
- 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 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 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 EFD from OSN?
The flight distance from Houston (EFD) to Osan (OSN) is 7,080 miles (11,394 km, 6,152 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from EFD to OSN?
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.
Are there nonstop flights from EFD to OSN?
Nonstop service on EFD–OSN 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 21m nonstop estimate.
What is the time difference between Houston and Osan?
Osan is 14 hours ahead of Houston.
What is the cheapest way to fly from EFD to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on EFD–OSN that never appear on search engines, with no booking fees.
Why are some EFD to OSN fares phone-only?
Consolidator contracts let us sell certain EFD–OSN 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.