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MWX to ISN: distance & flight time
Muan (Muan International Airport) → Williston (Sloulin Field International Airport)
5,916 mi
9,520 km · 5,141 nm
12h 4m
estimated nonstop flight time
-15h
time difference · heading northeast
See live MWX→ISN fares Phone-only fares on this route — call free
Flight time details
5,916 miles nonstop takes roughly 12h 4m 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
- MWX — Muan International Airport · Muan, 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 MWX
- MPK · Mokpo Heliport16 mi away
- KWJ · Gwangju Airport26 mi away
- KUV · Kunsan Air Base64 mi away
- RSU · Yeosu Airport71 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 MWX from ISN?
The flight distance from Muan (MWX) to Williston (ISN) is 5,916 miles (9,520 km, 5,141 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MWX to ISN?
A nonstop flight takes about 12h 4m 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 MWX to ISN?
Nonstop service on MWX–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 12h 4m nonstop estimate.
What is the time difference between Muan and Williston?
Williston is 15 hours behind Muan.
What is the cheapest way to fly from MWX to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MWX–ISN that never appear on search engines, with no booking fees.
Why are some MWX to ISN fares phone-only?
Consolidator contracts let us sell certain MWX–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.