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WBU to ICN: distance & flight time
Boulder (Boulder Municipal Airport) → Seoul (Incheon International Airport)
6,161 mi
9,915 km · 5,354 nm
12h 33m
estimated nonstop flight time
+15h
time difference · heading northwest
See live WBU→ICN fares Phone-only fares on this route — call free
Flight time details
6,161 miles nonstop takes roughly 12h 33m 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
- WBU — Boulder Municipal Airport · Boulder, 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 WBU
- DEN · Denver International Airport32 mi away
- BJC · Rocky Mountain Metropolitan Airport11 mi away
- FNL · Northern Colorado Regional Airport31 mi away
- BFK · Buckley Air Force Base34 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 WBU from ICN?
The flight distance from Boulder (WBU) to Seoul (ICN) is 6,161 miles (9,915 km, 5,354 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from WBU to ICN?
A nonstop flight takes about 12h 33m 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 Boulder and Seoul?
Seoul is 15 hours ahead of Boulder.
What is the cheapest way to fly from WBU to ICN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on WBU–ICN that never appear on search engines, with no booking fees.