Need help booking?
Unpublished phone-only deals available
GMP to CYS: distance & flight time
Seoul (Gimpo International Airport) → Cheyenne (Cheyenne Regional Jerry Olson Field)
6,098 mi
9,814 km · 5,299 nm
12h 25m
estimated nonstop flight time
-15h
time difference · heading northeast
See live GMP→CYS fares Phone-only fares on this route — call free
Flight time details
6,098 miles nonstop takes roughly 12h 25m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time set-back when reading arrival times on your ticket.
The two airports
- GMP — Gimpo International Airport · Seoul, South Korea
- CYS — Cheyenne Regional Jerry Olson Field · Cheyenne, 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 CYS
- LAR · Laramie Regional Airport46 mi away
- DEN · Denver International Airport90 mi away
- FNL · Northern Colorado Regional Airport50 mi away
- GXY · Greeley–Weld County Airport51 mi away
Frequently asked questions
How far is GMP from CYS?
The flight distance from Seoul (GMP) to Cheyenne (CYS) is 6,098 miles (9,814 km, 5,299 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GMP to CYS?
A nonstop flight takes about 12h 25m 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 Cheyenne?
Cheyenne is 15 hours behind Seoul.
What is the cheapest way to fly from GMP to CYS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GMP–CYS that never appear on search engines, with no booking fees.