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PUS to ISN: distance & flight time
Busan (Gimhae International Airport) → Williston (Sloulin Field International Airport)
5,829 mi
9,381 km · 5,065 nm
11h 54m
estimated nonstop flight time
-14h
time difference · heading northeast
See live PUS→ISN fares Phone-only fares on this route — call free
Flight time details
5,829 miles nonstop takes roughly 11h 54m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time set-back when reading arrival times on your ticket.
The two airports
- PUS — Gimhae International Airport · Busan, South Korea
- ISN — Sloulin Field International Airport · Williston, 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 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
Near ISN
- SDY · Sidney - Richland Regional Airport41 mi away
- YEN · Estevan Airport78 mi away
- OLF · L M Clayton Airport89 mi away
- GDV · Dawson Community Airport90 mi away
Frequently asked questions
How far is PUS from ISN?
The flight distance from Busan (PUS) to Williston (ISN) is 5,829 miles (9,381 km, 5,065 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PUS to ISN?
A nonstop flight takes about 11h 54m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from PUS to ISN?
Nonstop service on PUS–ISN depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 11h 54m nonstop estimate.
What is the time difference between Busan and Williston?
Williston is 14 hours behind Busan.
What is the cheapest way to fly from PUS to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PUS–ISN that never appear on search engines, with no booking fees.
Why are some PUS to ISN fares phone-only?
Consolidator contracts let us sell certain PUS–ISN tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.