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ASE to ICN: distance & flight time
Aspen (Aspen-Pitkin Co/Sardy Field) → Seoul (Incheon International Airport)
6,150 mi
9,897 km · 5,344 nm
12h 31m
estimated nonstop flight time
+16h
time difference · heading northwest
See live ASE→ICN fares Phone-only fares on this route — call free
Flight time details
6,150 miles nonstop takes roughly 12h 31m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time gain when reading arrival times on your ticket.
The two airports
- ASE — Aspen-Pitkin Co/Sardy Field · Aspen, United States
- ICN — Incheon 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 ICN
- GMP · Gimpo International Airport20 mi away
- SWU · Suwon Airport34 mi away
- SSN · Seoul Air Base (K-16)36 mi away
- OSN · Osan Air Base41 mi away
Frequently asked questions
How far is ASE from ICN?
The flight distance from Aspen (ASE) to Seoul (ICN) is 6,150 miles (9,897 km, 5,344 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ASE to ICN?
A nonstop flight takes about 12h 31m 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 ASE to ICN?
Nonstop service on ASE–ICN 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 12h 31m nonstop estimate.
What is the time difference between Aspen and Seoul?
Seoul is 16 hours ahead of Aspen.
What is the cheapest way to fly from ASE to ICN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ASE–ICN that never appear on search engines, with no booking fees.
Why are some ASE to ICN fares phone-only?
Consolidator contracts let us sell certain ASE–ICN 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.