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SSN to FNL: distance & flight time
Seoul East (Seoul Air Base (K-16)) → Fort Collins (Northern Colorado Regional Airport)
6,125 mi
9,858 km · 5,323 nm
12h 29m
estimated nonstop flight time
-15h
time difference · heading northeast
See live SSN→FNL fares Phone-only fares on this route — call free
Flight time details
6,125 miles nonstop takes roughly 12h 29m 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
- FNL — Northern Colorado Regional Airport · Fort Collins, 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 FNL
- DEN · Denver International Airport45 mi away
- GXY · Greeley–Weld County Airport20 mi away
- WBU · Boulder Municipal Airport31 mi away
- BJC · Rocky Mountain Metropolitan Airport38 mi away
Frequently asked questions
How far is SSN from FNL?
The flight distance from Seoul East (SSN) to Fort Collins (FNL) is 6,125 miles (9,858 km, 5,323 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SSN to FNL?
A nonstop flight takes about 12h 29m 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 Fort Collins?
Fort Collins is 15 hours behind Seoul East.
What is the cheapest way to fly from SSN to FNL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SSN–FNL that never appear on search engines, with no booking fees.