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GMP to LTS: distance & flight time
Seoul (Gimpo International Airport) → Altus (Altus Air Force Base)
6,638 mi
10,682 km · 5,768 nm
13h 29m
estimated nonstop flight time
-14h
time difference · heading northeast
See live GMP→LTS fares Phone-only fares on this route — call free
Flight time details
6,638 miles nonstop takes roughly 13h 29m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time set-back when reading arrival times on your ticket.
The two airports
- GMP — Gimpo International Airport · Seoul, South Korea
- LTS — Altus Air Force Base · Altus, United States
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 GMP
- ICN · Incheon International Airport20 mi away
- SSN · Seoul Air Base (K-16)19 mi away
- SWU · Suwon Airport25 mi away
- OSN · Osan Air Base35 mi away
Near LTS
- HBR · Hobart Regional Airport26 mi away
- CSM · Clinton Sherman Airport47 mi away
- FSI · Henry Post Army Air Field (Fort Sill)49 mi away
- LAW · Lawton Fort Sill Regional Airport49 mi away
Frequently asked questions
How far is GMP from LTS?
The flight distance from Seoul (GMP) to Altus (LTS) is 6,638 miles (10,682 km, 5,768 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GMP to LTS?
A nonstop flight takes about 13h 29m 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 Seoul and Altus?
Altus is 14 hours behind Seoul.
What is the cheapest way to fly from GMP to LTS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GMP–LTS that never appear on search engines, with no booking fees.