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SSN to APA: distance & flight time
Seoul East (Seoul Air Base (K-16)) → Denver (Centennial Airport)
6,178 mi
9,943 km · 5,369 nm
12h 35m
estimated nonstop flight time
-15h
time difference · heading northeast
See live SSN→APA fares Phone-only fares on this route — call free
Flight time details
6,178 miles nonstop takes roughly 12h 35m 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
- SSN — Seoul Air Base (K-16) · Seoul East, South Korea
- APA — Centennial Airport · Denver, 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 SSN
- ICN · Incheon International Airport36 mi away
- SWU · Suwon Airport15 mi away
- GMP · Gimpo International Airport19 mi away
- OSN · Osan Air Base25 mi away
Near APA
- DEN · Denver International Airport22 mi away
- BFK · Buckley Air Force Base10 mi away
- BJC · Rocky Mountain Metropolitan Airport27 mi away
- WBU · Boulder Municipal Airport38 mi away
Frequently asked questions
How far is SSN from APA?
The flight distance from Seoul East (SSN) to Denver (APA) is 6,178 miles (9,943 km, 5,369 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SSN to APA?
A nonstop flight takes about 12h 35m 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 East and Denver?
Denver is 15 hours behind Seoul East.
What is the cheapest way to fly from SSN to APA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SSN–APA that never appear on search engines, with no booking fees.