Need help booking?
Unpublished phone-only deals available
ASE to CJJ: distance & flight time
Aspen (Aspen-Pitkin Co/Sardy Field) → Chongju (Cheongju International Airport/Cheongju Air Base (K-59/G-513))
6,154 mi
9,904 km · 5,348 nm
12h 32m
estimated nonstop flight time
+15h
time difference · heading northwest
See live ASE→CJJ fares Phone-only fares on this route — call free
Flight time details
6,154 miles nonstop takes roughly 12h 32m 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
- CJJ — Cheongju International Airport/Cheongju Air Base (K-59/G-513) · Chongju, 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 CJJ
- OSN · Osan Air Base37 mi away
- ICN · Incheon International Airport78 mi away
- SWU · Suwon Airport45 mi away
- YEC · Yecheon Airbase48 mi away
Frequently asked questions
How far is ASE from CJJ?
The flight distance from Aspen (ASE) to Chongju (CJJ) is 6,154 miles (9,904 km, 5,348 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ASE to CJJ?
A nonstop flight takes about 12h 32m 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 Chongju?
Chongju is 15 hours ahead of Aspen.
What is the cheapest way to fly from ASE to CJJ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ASE–CJJ that never appear on search engines, with no booking fees.