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ASE to GMP: distance & flight time
Aspen (Aspen-Pitkin Co/Sardy Field) → Seoul (Gimpo International Airport)
6,133 mi
9,870 km · 5,330 nm
12h 30m
estimated nonstop flight time
+15h
time difference · heading northwest
See live ASE→GMP fares Phone-only fares on this route — call free
Flight time details
6,133 miles nonstop takes roughly 12h 30m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time gain when reading arrival times on your ticket.
The two airports
- ASE — Aspen-Pitkin Co/Sardy Field · Aspen, United States
- GMP — Gimpo 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 ASE
- EGE · Eagle County Regional Airport29 mi away
- GUC · Gunnison Crested Butte Regional Airport48 mi away
- RIL · Garfield County Regional Airport50 mi away
- MTJ · Montrose Regional Airport74 mi away
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
Frequently asked questions
How far is ASE from GMP?
The flight distance from Aspen (ASE) to Seoul (GMP) is 6,133 miles (9,870 km, 5,330 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ASE to GMP?
A nonstop flight takes about 12h 30m 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 Aspen and Seoul?
Seoul is 15 hours ahead of Aspen.
What is the cheapest way to fly from ASE to GMP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ASE–GMP that never appear on search engines, with no booking fees.