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WBU to PUS: distance & flight time
Boulder (Boulder Municipal Airport) → Busan (Gimhae International Airport)
6,201 mi
9,980 km · 5,389 nm
12h 38m
estimated nonstop flight time
+15h
time difference · heading northwest
See live WBU→PUS fares Phone-only fares on this route — call free
Flight time details
6,201 miles nonstop takes roughly 12h 38m 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
- PUS — Gimhae International Airport · Busan, 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 PUS
- CHF · Jinhae Airbase/Airport (G-813/K-10)14 mi away
- USN · Ulsan Airport37 mi away
- HIN · Sacheon Air Base/Airport49 mi away
- TAE · Daegu Airport52 mi away
Frequently asked questions
How far is WBU from PUS?
The flight distance from Boulder (WBU) to Busan (PUS) is 6,201 miles (9,980 km, 5,389 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from WBU to PUS?
A nonstop flight takes about 12h 38m 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 Busan?
Busan is 15 hours ahead of Boulder.
What is the cheapest way to fly from WBU to PUS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on WBU–PUS that never appear on search engines, with no booking fees.